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author | James Young <18669334+noroadsleft@users.noreply.github.com> | 2020-05-30 13:14:59 -0700 |
---|---|---|
committer | GitHub <noreply@github.com> | 2020-05-30 13:14:59 -0700 |
commit | fced377ac007d27f2650ccffbe0b18abcdcfe23d (patch) | |
tree | bd5b141987394a5a16cfc416bfe2b9efdb14d067 /tmk_core | |
parent | 7b8a013826ad90714a05ea522de53adf964ab3b9 (diff) | |
download | qmk_firmware-fced377ac007d27f2650ccffbe0b18abcdcfe23d.tar.gz qmk_firmware-fced377ac007d27f2650ccffbe0b18abcdcfe23d.zip |
2020 May 30 Breaking Changes Update (#9215)
* Branch point for 2020 May 30 Breaking Change
* Migrate `ACTION_LAYER_TOGGLE` to `TG()` (#8954)
* Migrate `ACTION_MODS_ONESHOT` to `OSM()` (#8957)
* Migrate `ACTION_DEFAULT_LAYER_SET` to `DF()` (#8958)
* Migrate `ACTION_LAYER_MODS` to `LM()` (#8959)
* Migrate `ACTION_MODS_TAP_KEY` to `MT()` (#8968)
* Convert V-USB usbdrv to a submodule (#8321)
* Unify Tap Hold functions and documentation (#8348)
* Changing board names to prevent confusion (#8412)
* Move the Keyboardio Model01 to a keyboardio/ subdir (#8499)
* Move spaceman keyboards (#8830)
* Migrate miscellaneous `fn_actions` entries (#8977)
* Migrate `ACTION_MODS_KEY` to chained mod keycodes (#8979)
* Organizing my keyboards (plaid, tartan, ergoinu) (#8537)
* Refactor Lily58 to use split_common (#6260)
* Refactor zinc to use split_common (#7114)
* Add a message if bin/qmk doesn't work (#9000)
* Fix conflicting types for 'tfp_printf' (#8269)
* Fixed RGB_DISABLE_AFTER_TIMEOUT to be seconds based & small internals cleanup (#6480)
* Refactor and updates to TKC1800 code (#8472)
* Switch to qmk forks for everything (#9019)
* audio refactor: replace deprecated PLAY_NOTE_ARRAY (#8484)
* Audio enable corrections (2/3) (#8903)
* Split HHKB to ANSI and JP layouts and Add VIA support for each (#8582)
* Audio enable corrections (Part 4) (#8974)
* Fix typo from PR7114 (#9171)
* Augment future branch Changelogs (#8978)
* Revert "Branch point for 2020 May 30 Breaking Change"
Diffstat (limited to 'tmk_core')
40 files changed, 60 insertions, 7780 deletions
diff --git a/tmk_core/common.mk b/tmk_core/common.mk index aa8a0eb7a..63de7c7ed 100644 --- a/tmk_core/common.mk +++ b/tmk_core/common.mk | |||
@@ -1,3 +1,5 @@ | |||
1 | PRINTF_PATH = $(LIB_PATH)/printf | ||
2 | |||
1 | COMMON_DIR = common | 3 | COMMON_DIR = common |
2 | PLATFORM_COMMON_DIR = $(COMMON_DIR)/$(PLATFORM_KEY) | 4 | PLATFORM_COMMON_DIR = $(COMMON_DIR)/$(PLATFORM_KEY) |
3 | 5 | ||
@@ -21,7 +23,12 @@ TMK_COMMON_SRC += $(COMMON_DIR)/host.c \ | |||
21 | ifeq ($(PLATFORM),AVR) | 23 | ifeq ($(PLATFORM),AVR) |
22 | TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/xprintf.S | 24 | TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/xprintf.S |
23 | else ifeq ($(PLATFORM),CHIBIOS) | 25 | else ifeq ($(PLATFORM),CHIBIOS) |
24 | TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/printf.c | 26 | TMK_COMMON_SRC += $(PRINTF_PATH)/printf.c |
27 | TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_FLOAT | ||
28 | TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_EXPONENTIAL | ||
29 | TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_LONG_LONG | ||
30 | TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_PTRDIFF_T | ||
31 | VPATH += $(PRINTF_PATH) | ||
25 | else ifeq ($(PLATFORM),ARM_ATSAM) | 32 | else ifeq ($(PLATFORM),ARM_ATSAM) |
26 | TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/printf.c | 33 | TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/printf.c |
27 | endif | 34 | endif |
diff --git a/tmk_core/common/action.c b/tmk_core/common/action.c index 3b1268dc9..7a53e08ed 100644 --- a/tmk_core/common/action.c +++ b/tmk_core/common/action.c | |||
@@ -48,7 +48,7 @@ int retro_tapping_counter = 0; | |||
48 | #endif | 48 | #endif |
49 | 49 | ||
50 | #ifdef IGNORE_MOD_TAP_INTERRUPT_PER_KEY | 50 | #ifdef IGNORE_MOD_TAP_INTERRUPT_PER_KEY |
51 | __attribute__((weak)) bool get_ignore_mod_tap_interrupt(uint16_t keycode) { return false; } | 51 | __attribute__((weak)) bool get_ignore_mod_tap_interrupt(uint16_t keycode, keyrecord_t *record) { return false; } |
52 | #endif | 52 | #endif |
53 | 53 | ||
54 | #ifndef TAP_CODE_DELAY | 54 | #ifndef TAP_CODE_DELAY |
@@ -335,7 +335,7 @@ void process_action(keyrecord_t *record, action_t action) { | |||
335 | # if !defined(IGNORE_MOD_TAP_INTERRUPT) || defined(IGNORE_MOD_TAP_INTERRUPT_PER_KEY) | 335 | # if !defined(IGNORE_MOD_TAP_INTERRUPT) || defined(IGNORE_MOD_TAP_INTERRUPT_PER_KEY) |
336 | if ( | 336 | if ( |
337 | # ifdef IGNORE_MOD_TAP_INTERRUPT_PER_KEY | 337 | # ifdef IGNORE_MOD_TAP_INTERRUPT_PER_KEY |
338 | !get_ignore_mod_tap_interrupt(get_event_keycode(record->event, false)) && | 338 | !get_ignore_mod_tap_interrupt(get_event_keycode(record->event, false), &record) && |
339 | # endif | 339 | # endif |
340 | record->tap.interrupted) { | 340 | record->tap.interrupted) { |
341 | dprint("mods_tap: tap: cancel: add_mods\n"); | 341 | dprint("mods_tap: tap: cancel: add_mods\n"); |
diff --git a/tmk_core/common/action_tapping.c b/tmk_core/common/action_tapping.c index 34f08d890..fe545c79a 100644 --- a/tmk_core/common/action_tapping.c +++ b/tmk_core/common/action_tapping.c | |||
@@ -19,10 +19,10 @@ | |||
19 | # define IS_TAPPING_RELEASED() (IS_TAPPING() && !tapping_key.event.pressed) | 19 | # define IS_TAPPING_RELEASED() (IS_TAPPING() && !tapping_key.event.pressed) |
20 | # define IS_TAPPING_KEY(k) (IS_TAPPING() && KEYEQ(tapping_key.event.key, (k))) | 20 | # define IS_TAPPING_KEY(k) (IS_TAPPING() && KEYEQ(tapping_key.event.key, (k))) |
21 | 21 | ||
22 | __attribute__((weak)) uint16_t get_tapping_term(uint16_t keycode) { return TAPPING_TERM; } | 22 | __attribute__((weak)) uint16_t get_tapping_term(uint16_t keycode, keyrecord_t *record) { return TAPPING_TERM; } |
23 | 23 | ||
24 | # ifdef TAPPING_TERM_PER_KEY | 24 | # ifdef TAPPING_TERM_PER_KEY |
25 | # define WITHIN_TAPPING_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < get_tapping_term(get_event_keycode(tapping_key.event, false))) | 25 | # define WITHIN_TAPPING_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < get_tapping_term(get_event_keycode(tapping_key.event, false), &tapping_key)) |
26 | # else | 26 | # else |
27 | # define WITHIN_TAPPING_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < TAPPING_TERM) | 27 | # define WITHIN_TAPPING_TERM(e) (TIMER_DIFF_16(e.time, tapping_key.event.time) < TAPPING_TERM) |
28 | # endif | 28 | # endif |
@@ -122,7 +122,7 @@ bool process_tapping(keyrecord_t *keyp) { | |||
122 | # if defined(TAPPING_TERM_PER_KEY) || (TAPPING_TERM >= 500) || defined(PERMISSIVE_HOLD) || defined(PERMISSIVE_HOLD_PER_KEY) | 122 | # if defined(TAPPING_TERM_PER_KEY) || (TAPPING_TERM >= 500) || defined(PERMISSIVE_HOLD) || defined(PERMISSIVE_HOLD_PER_KEY) |
123 | else if ( | 123 | else if ( |
124 | # ifdef TAPPING_TERM_PER_KEY | 124 | # ifdef TAPPING_TERM_PER_KEY |
125 | (get_tapping_term(get_event_keycode(tapping_key.event, false)) >= 500) && | 125 | (get_tapping_term(get_event_keycode(tapping_key.event, false), keyp) >= 500) && |
126 | # endif | 126 | # endif |
127 | # ifdef PERMISSIVE_HOLD_PER_KEY | 127 | # ifdef PERMISSIVE_HOLD_PER_KEY |
128 | !get_permissive_hold(get_event_keycode(tapping_key.event, false), keyp) && | 128 | !get_permissive_hold(get_event_keycode(tapping_key.event, false), keyp) && |
diff --git a/tmk_core/common/action_tapping.h b/tmk_core/common/action_tapping.h index 5eaef1c5f..7015ce761 100644 --- a/tmk_core/common/action_tapping.h +++ b/tmk_core/common/action_tapping.h | |||
@@ -33,7 +33,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. | |||
33 | 33 | ||
34 | #ifndef NO_ACTION_TAPPING | 34 | #ifndef NO_ACTION_TAPPING |
35 | uint16_t get_event_keycode(keyevent_t event, bool update_layer_cache); | 35 | uint16_t get_event_keycode(keyevent_t event, bool update_layer_cache); |
36 | uint16_t get_tapping_term(uint16_t keycode); | 36 | uint16_t get_tapping_term(uint16_t keycode, keyrecord_t *record); |
37 | void action_tapping_process(keyrecord_t record); | 37 | void action_tapping_process(keyrecord_t record); |
38 | #endif | 38 | #endif |
39 | 39 | ||
diff --git a/tmk_core/common/chibios/printf.c b/tmk_core/common/chibios/printf.c deleted file mode 100644 index a99752bb3..000000000 --- a/tmk_core/common/chibios/printf.c +++ /dev/null | |||
@@ -1,233 +0,0 @@ | |||
1 | /* | ||
2 | * found at: http://www.sparetimelabs.com/tinyprintf/tinyprintf.php | ||
3 | * and: http://www.sparetimelabs.com/printfrevisited/printfrevisited.php | ||
4 | */ | ||
5 | |||
6 | /* | ||
7 | File: printf.c | ||
8 | |||
9 | Copyright (C) 2004 Kustaa Nyholm | ||
10 | |||
11 | This library is free software; you can redistribute it and/or | ||
12 | modify it under the terms of the GNU Lesser General Public | ||
13 | License as published by the Free Software Foundation; either | ||
14 | version 2.1 of the License, or (at your option) any later version. | ||
15 | |||
16 | This library is distributed in the hope that it will be useful, | ||
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
19 | Lesser General Public License for more details. | ||
20 | |||
21 | You should have received a copy of the GNU Lesser General Public | ||
22 | License along with this library; if not, write to the Free Software | ||
23 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
24 | |||
25 | */ | ||
26 | |||
27 | #include "printf.h" | ||
28 | |||
29 | typedef void (*putcf)(void*, char); | ||
30 | static putcf stdout_putf; | ||
31 | static void* stdout_putp; | ||
32 | |||
33 | // this adds cca 400 bytes | ||
34 | #define PRINTF_LONG_SUPPORT | ||
35 | |||
36 | #ifdef PRINTF_LONG_SUPPORT | ||
37 | |||
38 | static void uli2a(unsigned long int num, unsigned int base, int uc, char* bf) { | ||
39 | int n = 0; | ||
40 | unsigned int d = 1; | ||
41 | while (num / d >= base) d *= base; | ||
42 | while (d != 0) { | ||
43 | int dgt = num / d; | ||
44 | num %= d; | ||
45 | d /= base; | ||
46 | if (n || dgt > 0 || d == 0) { | ||
47 | *bf++ = dgt + (dgt < 10 ? '0' : (uc ? 'A' : 'a') - 10); | ||
48 | ++n; | ||
49 | } | ||
50 | } | ||
51 | *bf = 0; | ||
52 | } | ||
53 | |||
54 | static void li2a(long num, char* bf) { | ||
55 | if (num < 0) { | ||
56 | num = -num; | ||
57 | *bf++ = '-'; | ||
58 | } | ||
59 | uli2a(num, 10, 0, bf); | ||
60 | } | ||
61 | |||
62 | #endif | ||
63 | |||
64 | static void ui2a(unsigned int num, unsigned int base, int uc, char* bf) { | ||
65 | int n = 0; | ||
66 | unsigned int d = 1; | ||
67 | while (num / d >= base) d *= base; | ||
68 | while (d != 0) { | ||
69 | int dgt = num / d; | ||
70 | num %= d; | ||
71 | d /= base; | ||
72 | if (n || dgt > 0 || d == 0) { | ||
73 | *bf++ = dgt + (dgt < 10 ? '0' : (uc ? 'A' : 'a') - 10); | ||
74 | ++n; | ||
75 | } | ||
76 | } | ||
77 | *bf = 0; | ||
78 | } | ||
79 | |||
80 | static void i2a(int num, char* bf) { | ||
81 | if (num < 0) { | ||
82 | num = -num; | ||
83 | *bf++ = '-'; | ||
84 | } | ||
85 | ui2a(num, 10, 0, bf); | ||
86 | } | ||
87 | |||
88 | static int a2d(char ch) { | ||
89 | if (ch >= '0' && ch <= '9') | ||
90 | return ch - '0'; | ||
91 | else if (ch >= 'a' && ch <= 'f') | ||
92 | return ch - 'a' + 10; | ||
93 | else if (ch >= 'A' && ch <= 'F') | ||
94 | return ch - 'A' + 10; | ||
95 | else | ||
96 | return -1; | ||
97 | } | ||
98 | |||
99 | static char a2i(char ch, const char** src, int base, int* nump) { | ||
100 | const char* p = *src; | ||
101 | int num = 0; | ||
102 | int digit; | ||
103 | while ((digit = a2d(ch)) >= 0) { | ||
104 | if (digit > base) break; | ||
105 | num = num * base + digit; | ||
106 | ch = *p++; | ||
107 | } | ||
108 | *src = p; | ||
109 | *nump = num; | ||
110 | return ch; | ||
111 | } | ||
112 | |||
113 | static void putchw(void* putp, putcf putf, int n, char z, char* bf) { | ||
114 | char fc = z ? '0' : ' '; | ||
115 | char ch; | ||
116 | char* p = bf; | ||
117 | while (*p++ && n > 0) n--; | ||
118 | while (n-- > 0) putf(putp, fc); | ||
119 | while ((ch = *bf++)) putf(putp, ch); | ||
120 | } | ||
121 | |||
122 | void tfp_format(void* putp, putcf putf, const char* fmt, va_list va) { | ||
123 | // This used to handle max of 12, but binary support jumps this to at least 32 | ||
124 | char bf[36]; | ||
125 | |||
126 | char ch; | ||
127 | |||
128 | while ((ch = *(fmt++))) { | ||
129 | if (ch != '%') | ||
130 | putf(putp, ch); | ||
131 | else { | ||
132 | char lz = 0; | ||
133 | #ifdef PRINTF_LONG_SUPPORT | ||
134 | char lng = 0; | ||
135 | #endif | ||
136 | int w = 0; | ||
137 | ch = *(fmt++); | ||
138 | if (ch == '0') { | ||
139 | ch = *(fmt++); | ||
140 | lz = 1; | ||
141 | } | ||
142 | if (ch >= '0' && ch <= '9') { | ||
143 | ch = a2i(ch, &fmt, 10, &w); | ||
144 | } | ||
145 | #ifdef PRINTF_LONG_SUPPORT | ||
146 | if (ch == 'l') { | ||
147 | ch = *(fmt++); | ||
148 | lng = 1; | ||
149 | } | ||
150 | #endif | ||
151 | switch (ch) { | ||
152 | case 0: | ||
153 | goto abort; | ||
154 | case 'u': { | ||
155 | #ifdef PRINTF_LONG_SUPPORT | ||
156 | if (lng) | ||
157 | uli2a(va_arg(va, unsigned long int), 10, 0, bf); | ||
158 | else | ||
159 | #endif | ||
160 | ui2a(va_arg(va, unsigned int), 10, 0, bf); | ||
161 | putchw(putp, putf, w, lz, bf); | ||
162 | break; | ||
163 | } | ||
164 | case 'd': { | ||
165 | #ifdef PRINTF_LONG_SUPPORT | ||
166 | if (lng) | ||
167 | li2a(va_arg(va, unsigned long int), bf); | ||
168 | else | ||
169 | #endif | ||
170 | i2a(va_arg(va, int), bf); | ||
171 | putchw(putp, putf, w, lz, bf); | ||
172 | break; | ||
173 | } | ||
174 | case 'x': | ||
175 | case 'X': | ||
176 | #ifdef PRINTF_LONG_SUPPORT | ||
177 | if (lng) | ||
178 | uli2a(va_arg(va, unsigned long int), 16, (ch == 'X'), bf); | ||
179 | else | ||
180 | #endif | ||
181 | ui2a(va_arg(va, unsigned int), 16, (ch == 'X'), bf); | ||
182 | putchw(putp, putf, w, lz, bf); | ||
183 | break; | ||
184 | case 'c': | ||
185 | putf(putp, (char)(va_arg(va, int))); | ||
186 | break; | ||
187 | case 's': | ||
188 | putchw(putp, putf, w, 0, va_arg(va, char*)); | ||
189 | break; | ||
190 | case 'b': | ||
191 | #ifdef PRINTF_LONG_SUPPORT | ||
192 | if (lng) | ||
193 | uli2a(va_arg(va, unsigned long int), 2, 0, bf); | ||
194 | else | ||
195 | #endif | ||
196 | ui2a(va_arg(va, unsigned int), 2, 0, bf); | ||
197 | putchw(putp, putf, w, lz, bf); | ||
198 | break; | ||
199 | case '%': | ||
200 | putf(putp, ch); | ||
201 | default: | ||
202 | break; | ||
203 | } | ||
204 | } | ||
205 | } | ||
206 | abort:; | ||
207 | } | ||
208 | |||
209 | void init_printf(void* putp, void (*putf)(void*, char)) { | ||
210 | stdout_putf = putf; | ||
211 | stdout_putp = putp; | ||
212 | } | ||
213 | |||
214 | int tfp_printf(const char* fmt, ...) { | ||
215 | va_list va; | ||
216 | va_start(va, fmt); | ||
217 | tfp_format(stdout_putp, stdout_putf, fmt, va); | ||
218 | va_end(va); | ||
219 | |||
220 | return 1; | ||
221 | } | ||
222 | |||
223 | static void putcp(void* p, char c) { *(*((char**)p))++ = c; } | ||
224 | |||
225 | int tfp_sprintf(char* s, const char* fmt, ...) { | ||
226 | va_list va; | ||
227 | va_start(va, fmt); | ||
228 | tfp_format(&s, putcp, fmt, va); | ||
229 | putcp(&s, 0); | ||
230 | va_end(va); | ||
231 | |||
232 | return 1; | ||
233 | } | ||
diff --git a/tmk_core/common/chibios/printf.h b/tmk_core/common/chibios/printf.h deleted file mode 100644 index 775459e1e..000000000 --- a/tmk_core/common/chibios/printf.h +++ /dev/null | |||
@@ -1,110 +0,0 @@ | |||
1 | /* | ||
2 | * found at: http://www.sparetimelabs.com/tinyprintf/tinyprintf.php | ||
3 | * and: http://www.sparetimelabs.com/printfrevisited/printfrevisited.php | ||
4 | */ | ||
5 | |||
6 | /* | ||
7 | File: printf.h | ||
8 | |||
9 | Copyright (C) 2004 Kustaa Nyholm | ||
10 | |||
11 | This library is free software; you can redistribute it and/or | ||
12 | modify it under the terms of the GNU Lesser General Public | ||
13 | License as published by the Free Software Foundation; either | ||
14 | version 2.1 of the License, or (at your option) any later version. | ||
15 | |||
16 | This library is distributed in the hope that it will be useful, | ||
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | ||
19 | See the GNU Lesser General Public License for more details. | ||
20 | |||
21 | You should have received a copy of the GNU Lesser General Public | ||
22 | License along with this library; if not, write to the Free Software | ||
23 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
24 | |||
25 | This library is realy just two files: 'printf.h' and 'printf.c'. | ||
26 | |||
27 | They provide a simple and small (+200 loc) printf functionality to | ||
28 | be used in embedded systems. | ||
29 | |||
30 | I've found them so usefull in debugging that I do not bother with a | ||
31 | debugger at all. | ||
32 | |||
33 | They are distributed in source form, so to use them, just compile them | ||
34 | into your project. | ||
35 | |||
36 | Two printf variants are provided: printf and sprintf. | ||
37 | |||
38 | The formats supported by this implementation are: 'd' 'u' 'c' 's' 'x' 'X'. | ||
39 | |||
40 | Zero padding and field width are also supported. | ||
41 | |||
42 | If the library is compiled with 'PRINTF_SUPPORT_LONG' defined then the | ||
43 | long specifier is also | ||
44 | supported. Note that this will pull in some long math routines (pun intended!) | ||
45 | and thus make your executable noticably longer. | ||
46 | |||
47 | The memory foot print of course depends on the target cpu, compiler and | ||
48 | compiler options, but a rough guestimate (based on a H8S target) is about | ||
49 | 1.4 kB for code and some twenty 'int's and 'char's, say 60 bytes of stack space. | ||
50 | Not too bad. Your milage may vary. By hacking the source code you can | ||
51 | get rid of some hunred bytes, I'm sure, but personally I feel the balance of | ||
52 | functionality and flexibility versus code size is close to optimal for | ||
53 | many embedded systems. | ||
54 | |||
55 | To use the printf you need to supply your own character output function, | ||
56 | something like : | ||
57 | |||
58 | void putc ( void* p, char c) | ||
59 | { | ||
60 | while (!SERIAL_PORT_EMPTY) ; | ||
61 | SERIAL_PORT_TX_REGISTER = c; | ||
62 | } | ||
63 | |||
64 | Before you can call printf you need to initialize it to use your | ||
65 | character output function with something like: | ||
66 | |||
67 | init_printf(NULL,putc); | ||
68 | |||
69 | Notice the 'NULL' in 'init_printf' and the parameter 'void* p' in 'putc', | ||
70 | the NULL (or any pointer) you pass into the 'init_printf' will eventually be | ||
71 | passed to your 'putc' routine. This allows you to pass some storage space (or | ||
72 | anything realy) to the character output function, if necessary. | ||
73 | This is not often needed but it was implemented like that because it made | ||
74 | implementing the sprintf function so neat (look at the source code). | ||
75 | |||
76 | The code is re-entrant, except for the 'init_printf' function, so it | ||
77 | is safe to call it from interupts too, although this may result in mixed output. | ||
78 | If you rely on re-entrancy, take care that your 'putc' function is re-entrant! | ||
79 | |||
80 | The printf and sprintf functions are actually macros that translate to | ||
81 | 'tfp_printf' and 'tfp_sprintf'. This makes it possible | ||
82 | to use them along with 'stdio.h' printf's in a single source file. | ||
83 | You just need to undef the names before you include the 'stdio.h'. | ||
84 | Note that these are not function like macros, so if you have variables | ||
85 | or struct members with these names, things will explode in your face. | ||
86 | Without variadic macros this is the best we can do to wrap these | ||
87 | fucnction. If it is a problem just give up the macros and use the | ||
88 | functions directly or rename them. | ||
89 | |||
90 | For further details see source code. | ||
91 | |||
92 | regs Kusti, 23.10.2004 | ||
93 | */ | ||
94 | |||
95 | #ifndef __TFP_PRINTF__ | ||
96 | #define __TFP_PRINTF__ | ||
97 | |||
98 | #include <stdarg.h> | ||
99 | |||
100 | void init_printf(void* putp, void (*putf)(void*, char)); | ||
101 | |||
102 | int tfp_printf(const char* fmt, ...); | ||
103 | int tfp_sprintf(char* s, const char* fmt, ...); | ||
104 | |||
105 | void tfp_format(void* putp, void (*putf)(void*, char), const char* fmt, va_list va); | ||
106 | |||
107 | #define printf tfp_printf | ||
108 | #define sprintf tfp_sprintf | ||
109 | |||
110 | #endif | ||
diff --git a/tmk_core/common/command.c b/tmk_core/common/command.c index ee3188646..3cfcba305 100644 --- a/tmk_core/common/command.c +++ b/tmk_core/common/command.c | |||
@@ -43,10 +43,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. | |||
43 | # include "mousekey.h" | 43 | # include "mousekey.h" |
44 | #endif | 44 | #endif |
45 | 45 | ||
46 | #ifdef PROTOCOL_VUSB | ||
47 | # include "usbdrv.h" | ||
48 | #endif | ||
49 | |||
50 | #ifdef AUDIO_ENABLE | 46 | #ifdef AUDIO_ENABLE |
51 | # include "audio.h" | 47 | # include "audio.h" |
52 | #endif /* AUDIO_ENABLE */ | 48 | #endif /* AUDIO_ENABLE */ |
diff --git a/tmk_core/common/print.h b/tmk_core/common/print.h index 04ca55810..1c7723621 100644 --- a/tmk_core/common/print.h +++ b/tmk_core/common/print.h | |||
@@ -72,9 +72,7 @@ extern "C" | |||
72 | 72 | ||
73 | # elif defined(PROTOCOL_CHIBIOS) /* PROTOCOL_CHIBIOS */ | 73 | # elif defined(PROTOCOL_CHIBIOS) /* PROTOCOL_CHIBIOS */ |
74 | 74 | ||
75 | # ifndef TERMINAL_ENABLE | 75 | # include "printf.h" // lib/printf/printf.h |
76 | # include "chibios/printf.h" | ||
77 | # endif | ||
78 | 76 | ||
79 | # ifdef USER_PRINT /* USER_PRINT */ | 77 | # ifdef USER_PRINT /* USER_PRINT */ |
80 | 78 | ||
@@ -89,7 +87,6 @@ extern "C" | |||
89 | # define uprintf printf | 87 | # define uprintf printf |
90 | 88 | ||
91 | # else /* NORMAL PRINT */ | 89 | # else /* NORMAL PRINT */ |
92 | |||
93 | // Create user & normal print defines | 90 | // Create user & normal print defines |
94 | # define print(s) printf(s) | 91 | # define print(s) printf(s) |
95 | # define println(s) printf(s "\r\n") | 92 | # define println(s) printf(s "\r\n") |
diff --git a/tmk_core/protocol/arm_atsam/led_matrix.c b/tmk_core/protocol/arm_atsam/led_matrix.c index 24eab2506..4b8cc7c5e 100644 --- a/tmk_core/protocol/arm_atsam/led_matrix.c +++ b/tmk_core/protocol/arm_atsam/led_matrix.c | |||
@@ -270,7 +270,7 @@ void flush(void) { | |||
270 | } | 270 | } |
271 | 271 | ||
272 | // This should only be performed once per frame | 272 | // This should only be performed once per frame |
273 | pomod = (float)((g_rgb_counters.tick / 10) % (uint32_t)(1000.0f / led_animation_speed)) / 10.0f * led_animation_speed; | 273 | pomod = (float)((g_rgb_timer / 10) % (uint32_t)(1000.0f / led_animation_speed)) / 10.0f * led_animation_speed; |
274 | pomod *= 100.0f; | 274 | pomod *= 100.0f; |
275 | pomod = (uint32_t)pomod % 10000; | 275 | pomod = (uint32_t)pomod % 10000; |
276 | pomod /= 100.0f; | 276 | pomod /= 100.0f; |
diff --git a/tmk_core/protocol/chibios/main.c b/tmk_core/protocol/chibios/main.c index 61665eb6f..7d32c16ed 100644 --- a/tmk_core/protocol/chibios/main.c +++ b/tmk_core/protocol/chibios/main.c | |||
@@ -158,9 +158,6 @@ int main(void) { | |||
158 | /* Init USB */ | 158 | /* Init USB */ |
159 | init_usb_driver(&USB_DRIVER); | 159 | init_usb_driver(&USB_DRIVER); |
160 | 160 | ||
161 | /* init printf */ | ||
162 | init_printf(NULL, sendchar_pf); | ||
163 | |||
164 | #ifdef MIDI_ENABLE | 161 | #ifdef MIDI_ENABLE |
165 | setup_midi(); | 162 | setup_midi(); |
166 | #endif | 163 | #endif |
diff --git a/tmk_core/protocol/chibios/usb_main.c b/tmk_core/protocol/chibios/usb_main.c index ecc83d9ec..65bd291be 100644 --- a/tmk_core/protocol/chibios/usb_main.c +++ b/tmk_core/protocol/chibios/usb_main.c | |||
@@ -796,9 +796,8 @@ int8_t sendchar(uint8_t c) { | |||
796 | } | 796 | } |
797 | #endif /* CONSOLE_ENABLE */ | 797 | #endif /* CONSOLE_ENABLE */ |
798 | 798 | ||
799 | void sendchar_pf(void *p, char c) { | 799 | void _putchar(char character) { |
800 | (void)p; | 800 | sendchar(character); |
801 | sendchar((uint8_t)c); | ||
802 | } | 801 | } |
803 | 802 | ||
804 | #ifdef RAW_ENABLE | 803 | #ifdef RAW_ENABLE |
diff --git a/tmk_core/protocol/chibios/usb_main.h b/tmk_core/protocol/chibios/usb_main.h index 17041b4f2..94baf9b35 100644 --- a/tmk_core/protocol/chibios/usb_main.h +++ b/tmk_core/protocol/chibios/usb_main.h | |||
@@ -87,6 +87,4 @@ void console_flush_output(void); | |||
87 | 87 | ||
88 | #endif /* CONSOLE_ENABLE */ | 88 | #endif /* CONSOLE_ENABLE */ |
89 | 89 | ||
90 | void sendchar_pf(void *p, char c); | ||
91 | |||
92 | #endif /* _USB_MAIN_H_ */ | 90 | #endif /* _USB_MAIN_H_ */ |
diff --git a/tmk_core/protocol/iwrap.mk b/tmk_core/protocol/iwrap.mk index eeedd83af..934235bd8 100644 --- a/tmk_core/protocol/iwrap.mk +++ b/tmk_core/protocol/iwrap.mk | |||
@@ -16,11 +16,17 @@ VPATH += $(TMK_DIR)/protocol/iwrap | |||
16 | # V-USB | 16 | # V-USB |
17 | # | 17 | # |
18 | VUSB_DIR = protocol/vusb | 18 | VUSB_DIR = protocol/vusb |
19 | OPT_DEFS += -DPROTOCOL_VUSB | ||
20 | SRC += $(VUSB_DIR)/vusb.c \ | ||
21 | $(VUSB_DIR)/usbdrv/usbdrv.c \ | ||
22 | $(VUSB_DIR)/usbdrv/usbdrvasm.S \ | ||
23 | $(VUSB_DIR)/usbdrv/oddebug.c | ||
24 | VPATH += $(TMK_DIR)/protocol/vusb:$(TMK_DIR)/protocol/vusb/usbdrv | ||
25 | 19 | ||
20 | # Path to the V-USB library | ||
21 | VUSB_PATH = $(LIB_PATH)/vusb | ||
22 | |||
23 | SRC += $(VUSB_DIR)/vusb.c \ | ||
24 | $(VUSB_PATH)/usbdrv/usbdrv.c \ | ||
25 | $(VUSB_PATH)/usbdrv/usbdrvasm.S \ | ||
26 | $(VUSB_PATH)/usbdrv/oddebug.c | ||
26 | 27 | ||
28 | # Search Path | ||
29 | VPATH += $(TMK_PATH)/$(VUSB_DIR) | ||
30 | VPATH += $(VUSB_PATH) | ||
31 | |||
32 | OPT_DEFS += -DPROTOCOL_VUSB | ||
diff --git a/tmk_core/protocol/iwrap/main.c b/tmk_core/protocol/iwrap/main.c index 6e9b5455b..4048a9791 100644 --- a/tmk_core/protocol/iwrap/main.c +++ b/tmk_core/protocol/iwrap/main.c | |||
@@ -29,7 +29,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. | |||
29 | #include "iwrap.h" | 29 | #include "iwrap.h" |
30 | #ifdef PROTOCOL_VUSB | 30 | #ifdef PROTOCOL_VUSB |
31 | # include "vusb.h" | 31 | # include "vusb.h" |
32 | # include "usbdrv.h" | 32 | # include <usbdrv/usbdrv.h> |
33 | #endif | 33 | #endif |
34 | #include "uart.h" | 34 | #include "uart.h" |
35 | #include "suart.h" | 35 | #include "suart.h" |
diff --git a/tmk_core/protocol/vusb.mk b/tmk_core/protocol/vusb.mk index 6df0d0d33..5e564f748 100644 --- a/tmk_core/protocol/vusb.mk +++ b/tmk_core/protocol/vusb.mk | |||
@@ -1,13 +1,13 @@ | |||
1 | VUSB_DIR = protocol/vusb | 1 | VUSB_DIR = protocol/vusb |
2 | 2 | ||
3 | OPT_DEFS += -DPROTOCOL_VUSB | 3 | # Path to the V-USB library |
4 | VUSB_PATH = $(LIB_PATH)/vusb | ||
4 | 5 | ||
5 | SRC += $(VUSB_DIR)/main.c \ | 6 | SRC += $(VUSB_DIR)/main.c \ |
6 | $(VUSB_DIR)/vusb.c \ | 7 | $(VUSB_DIR)/vusb.c \ |
7 | $(VUSB_DIR)/usbdrv/usbdrv.c \ | 8 | $(VUSB_PATH)/usbdrv/usbdrv.c \ |
8 | $(VUSB_DIR)/usbdrv/usbdrvasm.S \ | 9 | $(VUSB_PATH)/usbdrv/usbdrvasm.S \ |
9 | $(VUSB_DIR)/usbdrv/oddebug.c | 10 | $(VUSB_PATH)/usbdrv/oddebug.c |
10 | |||
11 | 11 | ||
12 | ifneq ($(strip $(CONSOLE_ENABLE)), yes) | 12 | ifneq ($(strip $(CONSOLE_ENABLE)), yes) |
13 | ifndef NO_UART | 13 | ifndef NO_UART |
@@ -18,4 +18,6 @@ endif | |||
18 | 18 | ||
19 | # Search Path | 19 | # Search Path |
20 | VPATH += $(TMK_PATH)/$(VUSB_DIR) | 20 | VPATH += $(TMK_PATH)/$(VUSB_DIR) |
21 | VPATH += $(TMK_PATH)/$(VUSB_DIR)/usbdrv | 21 | VPATH += $(VUSB_PATH) |
22 | |||
23 | OPT_DEFS += -DPROTOCOL_VUSB | ||
diff --git a/tmk_core/protocol/vusb/main.c b/tmk_core/protocol/vusb/main.c index 7dc16926d..b4063273d 100644 --- a/tmk_core/protocol/vusb/main.c +++ b/tmk_core/protocol/vusb/main.c | |||
@@ -12,8 +12,8 @@ | |||
12 | #include <avr/wdt.h> | 12 | #include <avr/wdt.h> |
13 | #include <avr/sleep.h> | 13 | #include <avr/sleep.h> |
14 | #include <util/delay.h> | 14 | #include <util/delay.h> |
15 | #include "usbdrv.h" | 15 | #include <usbdrv/usbdrv.h> |
16 | #include "oddebug.h" | 16 | #include <usbdrv/oddebug.h> |
17 | #include "vusb.h" | 17 | #include "vusb.h" |
18 | #include "keyboard.h" | 18 | #include "keyboard.h" |
19 | #include "host.h" | 19 | #include "host.h" |
diff --git a/tmk_core/protocol/vusb/sendchar_usart.c b/tmk_core/protocol/vusb/sendchar_usart.c index 42bd9ee36..a920a9a53 100644 --- a/tmk_core/protocol/vusb/sendchar_usart.c +++ b/tmk_core/protocol/vusb/sendchar_usart.c | |||
@@ -3,7 +3,7 @@ | |||
3 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | 3 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) |
4 | */ | 4 | */ |
5 | #include <stdint.h> | 5 | #include <stdint.h> |
6 | #include "oddebug.h" | 6 | #include <usbdrv/oddebug.h> |
7 | #include "sendchar.h" | 7 | #include "sendchar.h" |
8 | 8 | ||
9 | #if DEBUG_LEVEL > 0 | 9 | #if DEBUG_LEVEL > 0 |
diff --git a/tmk_core/protocol/vusb/usbdrv/Changelog.txt b/tmk_core/protocol/vusb/usbdrv/Changelog.txt deleted file mode 100644 index 1e74180a9..000000000 --- a/tmk_core/protocol/vusb/usbdrv/Changelog.txt +++ /dev/null | |||
@@ -1,308 +0,0 @@ | |||
1 | This file documents changes in the firmware-only USB driver for atmel's AVR | ||
2 | microcontrollers. New entries are always appended to the end of the file. | ||
3 | Scroll down to the bottom to see the most recent changes. | ||
4 | |||
5 | 2005-04-01: | ||
6 | - Implemented endpoint 1 as interrupt-in endpoint. | ||
7 | - Moved all configuration options to usbconfig.h which is not part of the | ||
8 | driver. | ||
9 | - Changed interface for usbVendorSetup(). | ||
10 | - Fixed compatibility with ATMega8 device. | ||
11 | - Various minor optimizations. | ||
12 | |||
13 | 2005-04-11: | ||
14 | - Changed interface to application: Use usbFunctionSetup(), usbFunctionRead() | ||
15 | and usbFunctionWrite() now. Added configuration options to choose which | ||
16 | of these functions to compile in. | ||
17 | - Assembler module delivers receive data non-inverted now. | ||
18 | - Made register and bit names compatible with more AVR devices. | ||
19 | |||
20 | 2005-05-03: | ||
21 | - Allow address of usbRxBuf on any memory page as long as the buffer does | ||
22 | not cross 256 byte page boundaries. | ||
23 | - Better device compatibility: works with Mega88 now. | ||
24 | - Code optimization in debugging module. | ||
25 | - Documentation updates. | ||
26 | |||
27 | 2006-01-02: | ||
28 | - Added (free) default Vendor- and Product-IDs bought from voti.nl. | ||
29 | - Added USBID-License.txt file which defines the rules for using the free | ||
30 | shared VID/PID pair. | ||
31 | - Added readme.txt to the usbdrv directory which clarifies administrative | ||
32 | issues. | ||
33 | |||
34 | 2006-01-25: | ||
35 | - Added "configured state" to become more standards compliant. | ||
36 | - Added "HALT" state for interrupt endpoint. | ||
37 | - Driver passes the "USB Command Verifier" test from usb.org now. | ||
38 | - Made "serial number" a configuration option. | ||
39 | - Minor optimizations, we now recommend compiler option "-Os" for best | ||
40 | results. | ||
41 | - Added a version number to usbdrv.h | ||
42 | |||
43 | 2006-02-03: | ||
44 | - New configuration variable USB_BUFFER_SECTION for the memory section where | ||
45 | the USB rx buffer will go. This defaults to ".bss" if not defined. Since | ||
46 | this buffer MUST NOT cross 256 byte pages (not even touch a page at the | ||
47 | end), the user may want to pass a linker option similar to | ||
48 | "-Wl,--section-start=.mybuffer=0x800060". | ||
49 | - Provide structure for usbRequest_t. | ||
50 | - New defines for USB constants. | ||
51 | - Prepared for HID implementations. | ||
52 | - Increased data size limit for interrupt transfers to 8 bytes. | ||
53 | - New macro usbInterruptIsReady() to query interrupt buffer state. | ||
54 | |||
55 | 2006-02-18: | ||
56 | - Ensure that the data token which is sent as an ack to an OUT transfer is | ||
57 | always zero sized. This fixes a bug where the host reports an error after | ||
58 | sending an out transfer to the device, although all data arrived at the | ||
59 | device. | ||
60 | - Updated docs in usbdrv.h to reflect changed API in usbFunctionWrite(). | ||
61 | |||
62 | * Release 2006-02-20 | ||
63 | |||
64 | - Give a compiler warning when compiling with debugging turned on. | ||
65 | - Added Oleg Semyonov's changes for IAR-cc compatibility. | ||
66 | - Added new (optional) functions usbDeviceConnect() and usbDeviceDisconnect() | ||
67 | (also thanks to Oleg!). | ||
68 | - Rearranged tests in usbPoll() to save a couple of instructions in the most | ||
69 | likely case that no actions are pending. | ||
70 | - We need a delay between the SET ADDRESS request until the new address | ||
71 | becomes active. This delay was handled in usbPoll() until now. Since the | ||
72 | spec says that the delay must not exceed 2ms, previous versions required | ||
73 | aggressive polling during the enumeration phase. We have now moved the | ||
74 | handling of the delay into the interrupt routine. | ||
75 | - We must not reply with NAK to a SETUP transaction. We can only achieve this | ||
76 | by making sure that the rx buffer is empty when SETUP tokens are expected. | ||
77 | We therefore don't pass zero sized data packets from the status phase of | ||
78 | a transfer to usbPoll(). This change MAY cause troubles if you rely on | ||
79 | receiving a less than 8 bytes long packet in usbFunctionWrite() to | ||
80 | identify the end of a transfer. usbFunctionWrite() will NEVER be called | ||
81 | with a zero length. | ||
82 | |||
83 | * Release 2006-03-14 | ||
84 | |||
85 | - Improved IAR C support: tiny memory model, more devices | ||
86 | - Added template usbconfig.h file under the name usbconfig-prototype.h | ||
87 | |||
88 | * Release 2006-03-26 | ||
89 | |||
90 | - Added provision for one more interrupt-in endpoint (endpoint 3). | ||
91 | - Added provision for one interrupt-out endpoint (endpoint 1). | ||
92 | - Added flowcontrol macros for USB. | ||
93 | - Added provision for custom configuration descriptor. | ||
94 | - Allow ANY two port bits for D+ and D-. | ||
95 | - Merged (optional) receive endpoint number into global usbRxToken variable. | ||
96 | - Use USB_CFG_IOPORTNAME instead of USB_CFG_IOPORT. We now construct the | ||
97 | variable name from the single port letter instead of computing the address | ||
98 | of related ports from the output-port address. | ||
99 | |||
100 | * Release 2006-06-26 | ||
101 | |||
102 | - Updated documentation in usbdrv.h and usbconfig-prototype.h to reflect the | ||
103 | new features. | ||
104 | - Removed "#warning" directives because IAR does not understand them. Use | ||
105 | unused static variables instead to generate a warning. | ||
106 | - Do not include <avr/io.h> when compiling with IAR. | ||
107 | - Introduced USB_CFG_DESCR_PROPS_* in usbconfig.h to configure how each | ||
108 | USB descriptor should be handled. It is now possible to provide descriptor | ||
109 | data in Flash, RAM or dynamically at runtime. | ||
110 | - STALL is now a status in usbTxLen* instead of a message. We can now conform | ||
111 | to the spec and leave the stall status pending until it is cleared. | ||
112 | - Made usbTxPacketCnt1 and usbTxPacketCnt3 public. This allows the | ||
113 | application code to reset data toggling on interrupt pipes. | ||
114 | |||
115 | * Release 2006-07-18 | ||
116 | |||
117 | - Added an #if !defined __ASSEMBLER__ to the warning in usbdrv.h. This fixes | ||
118 | an assembler error. | ||
119 | - usbDeviceDisconnect() takes pull-up resistor to high impedance now. | ||
120 | |||
121 | * Release 2007-02-01 | ||
122 | |||
123 | - Merged in some code size improvements from usbtiny (thanks to Dick | ||
124 | Streefland for these optimizations!) | ||
125 | - Special alignment requirement for usbRxBuf not required any more. Thanks | ||
126 | again to Dick Streefland for this hint! | ||
127 | - Reverted to "#warning" instead of unused static variables -- new versions | ||
128 | of IAR CC should handle this directive. | ||
129 | - Changed Open Source license to GNU GPL v2 in order to make linking against | ||
130 | other free libraries easier. We no longer require publication of the | ||
131 | circuit diagrams, but we STRONGLY encourage it. If you improve the driver | ||
132 | itself, PLEASE grant us a royalty free license to your changes for our | ||
133 | commercial license. | ||
134 | |||
135 | * Release 2007-03-29 | ||
136 | |||
137 | - New configuration option "USB_PUBLIC" in usbconfig.h. | ||
138 | - Set USB version number to 1.10 instead of 1.01. | ||
139 | - Code used USB_CFG_DESCR_PROPS_STRING_DEVICE and | ||
140 | USB_CFG_DESCR_PROPS_STRING_PRODUCT inconsistently. Changed all occurrences | ||
141 | to USB_CFG_DESCR_PROPS_STRING_PRODUCT. | ||
142 | - New assembler module for 16.5 MHz RC oscillator clock with PLL in receiver | ||
143 | code. | ||
144 | - New assembler module for 16 MHz crystal. | ||
145 | - usbdrvasm.S contains common code only, clock-specific parts have been moved | ||
146 | to usbdrvasm12.S, usbdrvasm16.S and usbdrvasm165.S respectively. | ||
147 | |||
148 | * Release 2007-06-25 | ||
149 | |||
150 | - 16 MHz module: Do SE0 check in stuffed bits as well. | ||
151 | |||
152 | * Release 2007-07-07 | ||
153 | |||
154 | - Define hi8(x) for IAR compiler to limit result to 8 bits. This is necessary | ||
155 | for negative values. | ||
156 | - Added 15 MHz module contributed by V. Bosch. | ||
157 | - Interrupt vector name can now be configured. This is useful if somebody | ||
158 | wants to use a different hardware interrupt than INT0. | ||
159 | |||
160 | * Release 2007-08-07 | ||
161 | |||
162 | - Moved handleIn3 routine in usbdrvasm16.S so that relative jump range is | ||
163 | not exceeded. | ||
164 | - More config options: USB_RX_USER_HOOK(), USB_INITIAL_DATATOKEN, | ||
165 | USB_COUNT_SOF | ||
166 | - USB_INTR_PENDING can now be a memory address, not just I/O | ||
167 | |||
168 | * Release 2007-09-19 | ||
169 | |||
170 | - Split out common parts of assembler modules into separate include file | ||
171 | - Made endpoint numbers configurable so that given interface definitions | ||
172 | can be matched. See USB_CFG_EP3_NUMBER in usbconfig-prototype.h. | ||
173 | - Store endpoint number for interrupt/bulk-out so that usbFunctionWriteOut() | ||
174 | can handle any number of endpoints. | ||
175 | - Define usbDeviceConnect() and usbDeviceDisconnect() even if no | ||
176 | USB_CFG_PULLUP_IOPORTNAME is defined. Directly set D+ and D- to 0 in this | ||
177 | case. | ||
178 | |||
179 | * Release 2007-12-01 | ||
180 | |||
181 | - Optimize usbDeviceConnect() and usbDeviceDisconnect() for less code size | ||
182 | when USB_CFG_PULLUP_IOPORTNAME is not defined. | ||
183 | |||
184 | * Release 2007-12-13 | ||
185 | |||
186 | - Renamed all include-only assembler modules from *.S to *.inc so that | ||
187 | people don't add them to their project sources. | ||
188 | - Distribute leap bits in tx loop more evenly for 16 MHz module. | ||
189 | - Use "macro" and "endm" instead of ".macro" and ".endm" for IAR | ||
190 | - Avoid compiler warnings for constant expr range by casting some values in | ||
191 | USB descriptors. | ||
192 | |||
193 | * Release 2008-01-21 | ||
194 | |||
195 | - Fixed bug in 15 and 16 MHz module where the new address set with | ||
196 | SET_ADDRESS was already accepted at the next NAK or ACK we send, not at | ||
197 | the next data packet we send. This caused problems when the host polled | ||
198 | too fast. Thanks to Alexander Neumann for his help and patience debugging | ||
199 | this issue! | ||
200 | |||
201 | * Release 2008-02-05 | ||
202 | |||
203 | - Fixed bug in 16.5 MHz module where a register was used in the interrupt | ||
204 | handler before it was pushed. This bug was introduced with version | ||
205 | 2007-09-19 when common parts were moved to a separate file. | ||
206 | - Optimized CRC routine (thanks to Reimar Doeffinger). | ||
207 | |||
208 | * Release 2008-02-16 | ||
209 | |||
210 | - Removed outdated IAR compatibility stuff (code sections). | ||
211 | - Added hook macros for USB_RESET_HOOK() and USB_SET_ADDRESS_HOOK(). | ||
212 | - Added optional routine usbMeasureFrameLength() for calibration of the | ||
213 | internal RC oscillator. | ||
214 | |||
215 | * Release 2008-02-28 | ||
216 | |||
217 | - USB_INITIAL_DATATOKEN defaults to USBPID_DATA1 now, which means that we | ||
218 | start with sending USBPID_DATA0. | ||
219 | - Changed defaults in usbconfig-prototype.h | ||
220 | - Added free USB VID/PID pair for MIDI class devices | ||
221 | - Restructured AVR-USB as separate package, not part of PowerSwitch any more. | ||
222 | |||
223 | * Release 2008-04-18 | ||
224 | |||
225 | - Restructured usbdrv.c so that it is easier to read and understand. | ||
226 | - Better code optimization with gcc 4. | ||
227 | - If a second interrupt in endpoint is enabled, also add it to config | ||
228 | descriptor. | ||
229 | - Added config option for long transfers (above 254 bytes), see | ||
230 | USB_CFG_LONG_TRANSFERS in usbconfig.h. | ||
231 | - Added 20 MHz module contributed by Jeroen Benschop. | ||
232 | |||
233 | * Release 2008-05-13 | ||
234 | |||
235 | - Fixed bug in libs-host/hiddata.c function usbhidGetReport(): length | ||
236 | was not incremented, pointer to length was incremented instead. | ||
237 | - Added code to command line tool(s) which claims an interface. This code | ||
238 | is disabled by default, but may be necessary on newer Linux kernels. | ||
239 | - Added usbconfig.h option "USB_CFG_CHECK_DATA_TOGGLING". | ||
240 | - New header "usbportability.h" prepares ports to other development | ||
241 | environments. | ||
242 | - Long transfers (above 254 bytes) did not work when usbFunctionRead() was | ||
243 | used to supply the data. Fixed this bug. [Thanks to Alexander Neumann!] | ||
244 | - In hiddata.c (example code for sending/receiving data over HID), use | ||
245 | USB_RECIP_DEVICE instead of USB_RECIP_INTERFACE for control transfers so | ||
246 | that we need not claim the interface. | ||
247 | - in usbPoll() loop 20 times polling for RESET state instead of 10 times. | ||
248 | This accounts for the higher clock rates we now support. | ||
249 | - Added a module for 12.8 MHz RC oscillator with PLL in receiver loop. | ||
250 | - Added hook to SOF code so that oscillator can be tuned to USB frame clock. | ||
251 | - Added timeout to waitForJ loop. Helps preventing unexpected hangs. | ||
252 | - Added example code for oscillator tuning to libs-device (thanks to | ||
253 | Henrik Haftmann for the idea to this routine). | ||
254 | - Implemented option USB_CFG_SUPPRESS_INTR_CODE. | ||
255 | |||
256 | * Release 2008-10-22 | ||
257 | |||
258 | - Fixed libs-device/osctune.h: OSCCAL is memory address on ATMega88 and | ||
259 | similar, not offset of 0x20 needs to be added. | ||
260 | - Allow distribution under GPLv3 for those who have to link against other | ||
261 | code distributed under GPLv3. | ||
262 | |||
263 | * Release 2008-11-26 | ||
264 | |||
265 | - Removed libusb-win32 dependency for hid-data example in Makefile.windows. | ||
266 | It was never required and confused many people. | ||
267 | - Added extern uchar usbRxToken to usbdrv.h. | ||
268 | - Integrated a module with CRC checks at 18 MHz by Lukas Schrittwieser. | ||
269 | |||
270 | * Release 2009-03-23 | ||
271 | |||
272 | - Hid-mouse example used settings from hid-data example, fixed that. | ||
273 | - Renamed project to V-USB due to a trademark issue with Atmel(r). | ||
274 | - Changed CommercialLicense.txt and USBID-License.txt to make the | ||
275 | background of USB ID registration clearer. | ||
276 | |||
277 | * Release 2009-04-15 | ||
278 | |||
279 | - Changed CommercialLicense.txt to reflect the new range of PIDs from | ||
280 | Jason Kotzin. | ||
281 | - Removed USBID-License.txt in favor of USB-IDs-for-free.txt and | ||
282 | USB-ID-FAQ.txt | ||
283 | - Fixed a bug in the 12.8 MHz module: End Of Packet decection was made in | ||
284 | the center between bit 0 and 1 of each byte. This is where the data lines | ||
285 | are expected to change and the sampled data may therefore be nonsense. | ||
286 | We therefore check EOP ONLY if bits 0 AND 1 have both been read as 0 on D-. | ||
287 | - Fixed a bitstuffing problem in the 16 MHz module: If bit 6 was stuffed, | ||
288 | the unstuffing code in the receiver routine was 1 cycle too long. If | ||
289 | multiple bytes had the unstuffing in bit 6, the error summed up until the | ||
290 | receiver was out of sync. | ||
291 | - Included option for faster CRC routine. | ||
292 | Thanks to Slawomir Fras (BoskiDialer) for this code! | ||
293 | - Updated bits in Configuration Descriptor's bmAttributes according to | ||
294 | USB 1.1 (in particular bit 7, it is a must-be-set bit now). | ||
295 | |||
296 | * Release 2009-08-22 | ||
297 | |||
298 | - Moved first DBG1() after odDebugInit() in all examples. | ||
299 | - Use vector INT0_vect instead of SIG_INTERRUPT0 if defined. This makes | ||
300 | V-USB compatible with the new "p" suffix devices (e.g. ATMega328p). | ||
301 | - USB_CFG_CLOCK_KHZ setting is now required in usbconfig.h (no default any | ||
302 | more). | ||
303 | - New option USB_CFG_DRIVER_FLASH_PAGE allows boot loaders on devices with | ||
304 | more than 64 kB flash. | ||
305 | - Built-in configuration descriptor allows custom definition for second | ||
306 | endpoint now. | ||
307 | |||
308 | * Release 2010-07-15 | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/CommercialLicense.txt b/tmk_core/protocol/vusb/usbdrv/CommercialLicense.txt deleted file mode 100644 index 11d07d9df..000000000 --- a/tmk_core/protocol/vusb/usbdrv/CommercialLicense.txt +++ /dev/null | |||
@@ -1,166 +0,0 @@ | |||
1 | V-USB Driver Software License Agreement | ||
2 | Version 2009-08-03 | ||
3 | |||
4 | THIS LICENSE AGREEMENT GRANTS YOU CERTAIN RIGHTS IN A SOFTWARE. YOU CAN | ||
5 | ENTER INTO THIS AGREEMENT AND ACQUIRE THE RIGHTS OUTLINED BELOW BY PAYING | ||
6 | THE AMOUNT ACCORDING TO SECTION 4 ("PAYMENT") TO OBJECTIVE DEVELOPMENT. | ||
7 | |||
8 | |||
9 | 1 DEFINITIONS | ||
10 | |||
11 | 1.1 "OBJECTIVE DEVELOPMENT" shall mean OBJECTIVE DEVELOPMENT Software GmbH, | ||
12 | Grosse Schiffgasse 1A/7, 1020 Wien, AUSTRIA. | ||
13 | |||
14 | 1.2 "You" shall mean the Licensee. | ||
15 | |||
16 | 1.3 "V-USB" shall mean all files included in the package distributed under | ||
17 | the name "vusb" by OBJECTIVE DEVELOPMENT (http://www.obdev.at/vusb/) | ||
18 | unless otherwise noted. This includes the firmware-only USB device | ||
19 | implementation for Atmel AVR microcontrollers, some simple device examples | ||
20 | and host side software examples and libraries. | ||
21 | |||
22 | |||
23 | 2 LICENSE GRANTS | ||
24 | |||
25 | 2.1 Source Code. OBJECTIVE DEVELOPMENT shall furnish you with the source | ||
26 | code of V-USB. | ||
27 | |||
28 | 2.2 Distribution and Use. OBJECTIVE DEVELOPMENT grants you the | ||
29 | non-exclusive right to use, copy and distribute V-USB with your hardware | ||
30 | product(s), restricted by the limitations in section 3 below. | ||
31 | |||
32 | 2.3 Modifications. OBJECTIVE DEVELOPMENT grants you the right to modify | ||
33 | the source code and your copy of V-USB according to your needs. | ||
34 | |||
35 | 2.4 USB IDs. OBJECTIVE DEVELOPMENT furnishes you with one or two USB | ||
36 | Product ID(s), sent to you in e-mail. These Product IDs are reserved | ||
37 | exclusively for you. OBJECTIVE DEVELOPMENT has obtained USB Product ID | ||
38 | ranges under the Vendor ID 5824 from Wouter van Ooijen (Van Ooijen | ||
39 | Technische Informatica, www.voti.nl) and under the Vendor ID 8352 from | ||
40 | Jason Kotzin (Clay Logic, www.claylogic.com). Both owners of the Vendor IDs | ||
41 | have obtained these IDs from the USB Implementers Forum, Inc. | ||
42 | (www.usb.org). OBJECTIVE DEVELOPMENT disclaims all liability which might | ||
43 | arise from the assignment of USB IDs. | ||
44 | |||
45 | 2.5 USB Certification. Although not part of this agreement, we want to make | ||
46 | it clear that you cannot become USB certified when you use V-USB or a USB | ||
47 | Product ID assigned by OBJECTIVE DEVELOPMENT. AVR microcontrollers don't | ||
48 | meet the electrical specifications required by the USB specification and | ||
49 | the USB Implementers Forum certifies only members who bought a Vendor ID of | ||
50 | their own. | ||
51 | |||
52 | |||
53 | 3 LICENSE RESTRICTIONS | ||
54 | |||
55 | 3.1 Number of Units. Only one of the following three definitions is | ||
56 | applicable. Which one is determined by the amount you pay to OBJECTIVE | ||
57 | DEVELOPMENT, see section 4 ("Payment") below. | ||
58 | |||
59 | Hobby License: You may use V-USB according to section 2 above in no more | ||
60 | than 5 hardware units. These units must not be sold for profit. | ||
61 | |||
62 | Entry Level License: You may use V-USB according to section 2 above in no | ||
63 | more than 150 hardware units. | ||
64 | |||
65 | Professional License: You may use V-USB according to section 2 above in | ||
66 | any number of hardware units, except for large scale production ("unlimited | ||
67 | fair use"). Quantities below 10,000 units are not considered large scale | ||
68 | production. If your reach quantities which are obviously large scale | ||
69 | production, you must pay a license fee of 0.10 EUR per unit for all units | ||
70 | above 10,000. | ||
71 | |||
72 | 3.2 Rental. You may not rent, lease, or lend V-USB or otherwise encumber | ||
73 | any copy of V-USB, or any of the rights granted herein. | ||
74 | |||
75 | 3.3 Transfer. You may not transfer your rights under this Agreement to | ||
76 | another party without OBJECTIVE DEVELOPMENT's prior written consent. If | ||
77 | such consent is obtained, you may permanently transfer this License to | ||
78 | another party. The recipient of such transfer must agree to all terms and | ||
79 | conditions of this Agreement. | ||
80 | |||
81 | 3.4 Reservation of Rights. OBJECTIVE DEVELOPMENT retains all rights not | ||
82 | expressly granted. | ||
83 | |||
84 | 3.5 Non-Exclusive Rights. Your license rights under this Agreement are | ||
85 | non-exclusive. | ||
86 | |||
87 | 3.6 Third Party Rights. This Agreement cannot grant you rights controlled | ||
88 | by third parties. In particular, you are not allowed to use the USB logo or | ||
89 | other trademarks owned by the USB Implementers Forum, Inc. without their | ||
90 | consent. Since such consent depends on USB certification, it should be | ||
91 | noted that V-USB will not pass certification because it does not | ||
92 | implement checksum verification and the microcontroller ports do not meet | ||
93 | the electrical specifications. | ||
94 | |||
95 | |||
96 | 4 PAYMENT | ||
97 | |||
98 | The payment amount depends on the variation of this agreement (according to | ||
99 | section 3.1) into which you want to enter. Concrete prices are listed on | ||
100 | OBJECTIVE DEVELOPMENT's web site, usually at | ||
101 | http://www.obdev.at/vusb/license.html. You agree to pay the amount listed | ||
102 | there to OBJECTIVE DEVELOPMENT or OBJECTIVE DEVELOPMENT's payment processor | ||
103 | or reseller. | ||
104 | |||
105 | |||
106 | 5 COPYRIGHT AND OWNERSHIP | ||
107 | |||
108 | V-USB is protected by copyright laws and international copyright | ||
109 | treaties, as well as other intellectual property laws and treaties. V-USB | ||
110 | is licensed, not sold. | ||
111 | |||
112 | |||
113 | 6 TERM AND TERMINATION | ||
114 | |||
115 | 6.1 Term. This Agreement shall continue indefinitely. However, OBJECTIVE | ||
116 | DEVELOPMENT may terminate this Agreement and revoke the granted license and | ||
117 | USB-IDs if you fail to comply with any of its terms and conditions. | ||
118 | |||
119 | 6.2 Survival of Terms. All provisions regarding secrecy, confidentiality | ||
120 | and limitation of liability shall survive termination of this agreement. | ||
121 | |||
122 | |||
123 | 7 DISCLAIMER OF WARRANTY AND LIABILITY | ||
124 | |||
125 | LIMITED WARRANTY. V-USB IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY | ||
126 | KIND. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, OBJECTIVE | ||
127 | DEVELOPMENT AND ITS SUPPLIERS HEREBY DISCLAIM ALL WARRANTIES, EITHER | ||
128 | EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | ||
129 | OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND | ||
130 | NON-INFRINGEMENT, WITH REGARD TO V-USB, AND THE PROVISION OF OR FAILURE | ||
131 | TO PROVIDE SUPPORT SERVICES. THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL | ||
132 | RIGHTS. YOU MAY HAVE OTHERS, WHICH VARY FROM STATE/JURISDICTION TO | ||
133 | STATE/JURISDICTION. | ||
134 | |||
135 | LIMITATION OF LIABILITY. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, | ||
136 | IN NO EVENT SHALL OBJECTIVE DEVELOPMENT OR ITS SUPPLIERS BE LIABLE FOR ANY | ||
137 | SPECIAL, INCIDENTAL, INDIRECT, OR CONSEQUENTIAL DAMAGES WHATSOEVER | ||
138 | (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, | ||
139 | BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR ANY OTHER PECUNIARY | ||
140 | LOSS) ARISING OUT OF THE USE OF OR INABILITY TO USE V-USB OR THE | ||
141 | PROVISION OF OR FAILURE TO PROVIDE SUPPORT SERVICES, EVEN IF OBJECTIVE | ||
142 | DEVELOPMENT HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN ANY | ||
143 | CASE, OBJECTIVE DEVELOPMENT'S ENTIRE LIABILITY UNDER ANY PROVISION OF THIS | ||
144 | AGREEMENT SHALL BE LIMITED TO THE AMOUNT ACTUALLY PAID BY YOU FOR V-USB. | ||
145 | |||
146 | |||
147 | 8 MISCELLANEOUS TERMS | ||
148 | |||
149 | 8.1 Marketing. OBJECTIVE DEVELOPMENT has the right to mention for marketing | ||
150 | purposes that you entered into this agreement. | ||
151 | |||
152 | 8.2 Entire Agreement. This document represents the entire agreement between | ||
153 | OBJECTIVE DEVELOPMENT and you. It may only be modified in writing signed by | ||
154 | an authorized representative of both, OBJECTIVE DEVELOPMENT and you. | ||
155 | |||
156 | 8.3 Severability. In case a provision of these terms and conditions should | ||
157 | be or become partly or entirely invalid, ineffective, or not executable, | ||
158 | the validity of all other provisions shall not be affected. | ||
159 | |||
160 | 8.4 Applicable Law. This agreement is governed by the laws of the Republic | ||
161 | of Austria. | ||
162 | |||
163 | 8.5 Responsible Courts. The responsible courts in Vienna/Austria will have | ||
164 | exclusive jurisdiction regarding all disputes in connection with this | ||
165 | agreement. | ||
166 | |||
diff --git a/tmk_core/protocol/vusb/usbdrv/License.txt b/tmk_core/protocol/vusb/usbdrv/License.txt deleted file mode 100644 index ce4c3aed4..000000000 --- a/tmk_core/protocol/vusb/usbdrv/License.txt +++ /dev/null | |||
@@ -1,361 +0,0 @@ | |||
1 | OBJECTIVE DEVELOPMENT GmbH's V-USB driver software is distributed under the | ||
2 | terms and conditions of the GNU GPL version 2 or the GNU GPL version 3. It is | ||
3 | your choice whether you apply the terms of version 2 or version 3. The full | ||
4 | text of GPLv2 is included below. In addition to the requirements in the GPL, | ||
5 | we STRONGLY ENCOURAGE you to do the following: | ||
6 | |||
7 | (1) Publish your entire project on a web site and drop us a note with the URL. | ||
8 | Use the form at http://www.obdev.at/vusb/feedback.html for your submission. | ||
9 | |||
10 | (2) Adhere to minimum publication standards. Please include AT LEAST: | ||
11 | - a circuit diagram in PDF, PNG or GIF format | ||
12 | - full source code for the host software | ||
13 | - a readme.txt file in ASCII format which describes the purpose of the | ||
14 | project and what can be found in which directories and which files | ||
15 | - a reference to http://www.obdev.at/vusb/ | ||
16 | |||
17 | (3) If you improve the driver firmware itself, please give us a free license | ||
18 | to your modifications for our commercial license offerings. | ||
19 | |||
20 | |||
21 | |||
22 | GNU GENERAL PUBLIC LICENSE | ||
23 | Version 2, June 1991 | ||
24 | |||
25 | Copyright (C) 1989, 1991 Free Software Foundation, Inc. | ||
26 | 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
27 | Everyone is permitted to copy and distribute verbatim copies | ||
28 | of this license document, but changing it is not allowed. | ||
29 | |||
30 | Preamble | ||
31 | |||
32 | The licenses for most software are designed to take away your | ||
33 | freedom to share and change it. By contrast, the GNU General Public | ||
34 | License is intended to guarantee your freedom to share and change free | ||
35 | software--to make sure the software is free for all its users. This | ||
36 | General Public License applies to most of the Free Software | ||
37 | Foundation's software and to any other program whose authors commit to | ||
38 | using it. (Some other Free Software Foundation software is covered by | ||
39 | the GNU Library General Public License instead.) You can apply it to | ||
40 | your programs, too. | ||
41 | |||
42 | When we speak of free software, we are referring to freedom, not | ||
43 | price. Our General Public Licenses are designed to make sure that you | ||
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48 | |||
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53 | |||
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70 | |||
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78 | modification follow. | ||
79 | |||
80 | GNU GENERAL PUBLIC LICENSE | ||
81 | TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION | ||
82 | |||
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269 | Foundation. | ||
270 | |||
271 | 10. If you wish to incorporate parts of the Program into other free | ||
272 | programs whose distribution conditions are different, write to the author | ||
273 | to ask for permission. For software which is copyrighted by the Free | ||
274 | Software Foundation, write to the Free Software Foundation; we sometimes | ||
275 | make exceptions for this. Our decision will be guided by the two goals | ||
276 | of preserving the free status of all derivatives of our free software and | ||
277 | of promoting the sharing and reuse of software generally. | ||
278 | |||
279 | NO WARRANTY | ||
280 | |||
281 | 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY | ||
282 | FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN | ||
283 | OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES | ||
284 | PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED | ||
285 | OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
286 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS | ||
287 | TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE | ||
288 | PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, | ||
289 | REPAIR OR CORRECTION. | ||
290 | |||
291 | 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING | ||
292 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR | ||
293 | REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, | ||
294 | INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING | ||
295 | OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED | ||
296 | TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY | ||
297 | YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER | ||
298 | PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE | ||
299 | POSSIBILITY OF SUCH DAMAGES. | ||
300 | |||
301 | END OF TERMS AND CONDITIONS | ||
302 | |||
303 | How to Apply These Terms to Your New Programs | ||
304 | |||
305 | If you develop a new program, and you want it to be of the greatest | ||
306 | possible use to the public, the best way to achieve this is to make it | ||
307 | free software which everyone can redistribute and change under these terms. | ||
308 | |||
309 | To do so, attach the following notices to the program. It is safest | ||
310 | to attach them to the start of each source file to most effectively | ||
311 | convey the exclusion of warranty; and each file should have at least | ||
312 | the "copyright" line and a pointer to where the full notice is found. | ||
313 | |||
314 | <one line to give the program's name and a brief idea of what it does.> | ||
315 | Copyright (C) <year> <name of author> | ||
316 | |||
317 | This program is free software; you can redistribute it and/or modify | ||
318 | it under the terms of the GNU General Public License as published by | ||
319 | the Free Software Foundation; either version 2 of the License, or | ||
320 | (at your option) any later version. | ||
321 | |||
322 | This program is distributed in the hope that it will be useful, | ||
323 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
324 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
325 | GNU General Public License for more details. | ||
326 | |||
327 | You should have received a copy of the GNU General Public License | ||
328 | along with this program; if not, write to the Free Software | ||
329 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
330 | |||
331 | |||
332 | Also add information on how to contact you by electronic and paper mail. | ||
333 | |||
334 | If the program is interactive, make it output a short notice like this | ||
335 | when it starts in an interactive mode: | ||
336 | |||
337 | Gnomovision version 69, Copyright (C) year name of author | ||
338 | Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. | ||
339 | This is free software, and you are welcome to redistribute it | ||
340 | under certain conditions; type `show c' for details. | ||
341 | |||
342 | The hypothetical commands `show w' and `show c' should show the appropriate | ||
343 | parts of the General Public License. Of course, the commands you use may | ||
344 | be called something other than `show w' and `show c'; they could even be | ||
345 | mouse-clicks or menu items--whatever suits your program. | ||
346 | |||
347 | You should also get your employer (if you work as a programmer) or your | ||
348 | school, if any, to sign a "copyright disclaimer" for the program, if | ||
349 | necessary. Here is a sample; alter the names: | ||
350 | |||
351 | Yoyodyne, Inc., hereby disclaims all copyright interest in the program | ||
352 | `Gnomovision' (which makes passes at compilers) written by James Hacker. | ||
353 | |||
354 | <signature of Ty Coon>, 1 April 1989 | ||
355 | Ty Coon, President of Vice | ||
356 | |||
357 | This General Public License does not permit incorporating your program into | ||
358 | proprietary programs. If your program is a subroutine library, you may | ||
359 | consider it more useful to permit linking proprietary applications with the | ||
360 | library. If this is what you want to do, use the GNU Library General | ||
361 | Public License instead of this License. | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/Readme.txt b/tmk_core/protocol/vusb/usbdrv/Readme.txt deleted file mode 100644 index 3cff49f6f..000000000 --- a/tmk_core/protocol/vusb/usbdrv/Readme.txt +++ /dev/null | |||
@@ -1,172 +0,0 @@ | |||
1 | This is the readme file to Objective Development's firmware-only USB driver | ||
2 | for Atmel AVR microcontrollers. For more information please visit | ||
3 | http://www.obdev.at/vusb/ | ||
4 | |||
5 | This directory contains the USB firmware only. Copy it as-is to your own | ||
6 | project and add all .c and .S files to your project (these files are marked | ||
7 | with an asterisk in the list below). Then copy usbconfig-prototype.h as | ||
8 | usbconfig.h to your project and edit it according to your configuration. | ||
9 | |||
10 | |||
11 | TECHNICAL DOCUMENTATION | ||
12 | ======================= | ||
13 | The technical documentation (API) for the firmware driver is contained in the | ||
14 | file "usbdrv.h". Please read all of it carefully! Configuration options are | ||
15 | documented in "usbconfig-prototype.h". | ||
16 | |||
17 | The driver consists of the following files: | ||
18 | readme.txt ............. The file you are currently reading. | ||
19 | Changelog.txt .......... Release notes for all versions of the driver. | ||
20 | usbdrv.h ............... Driver interface definitions and technical docs. | ||
21 | * usbdrv.c ............... High level language part of the driver. Link this | ||
22 | module to your code! | ||
23 | * usbdrvasm.S ............ Assembler part of the driver. This module is mostly | ||
24 | a stub and includes one of the usbdrvasm*.S files | ||
25 | depending on processor clock. Link this module to | ||
26 | your code! | ||
27 | usbdrvasm*.inc ......... Assembler routines for particular clock frequencies. | ||
28 | Included by usbdrvasm.S, don't link it directly! | ||
29 | asmcommon.inc .......... Common assembler routines. Included by | ||
30 | usbdrvasm*.inc, don't link it directly! | ||
31 | usbconfig-prototype.h .. Prototype for your own usbdrv.h file. | ||
32 | * oddebug.c .............. Debug functions. Only used when DEBUG_LEVEL is | ||
33 | defined to a value greater than 0. Link this module | ||
34 | to your code! | ||
35 | oddebug.h .............. Interface definitions of the debug module. | ||
36 | usbportability.h ....... Header with compiler-dependent stuff. | ||
37 | usbdrvasm.asm .......... Compatibility stub for IAR-C-compiler. Use this | ||
38 | module instead of usbdrvasm.S when you assembler | ||
39 | with IAR's tools. | ||
40 | License.txt ............ Open Source license for this driver. | ||
41 | CommercialLicense.txt .. Optional commercial license for this driver. | ||
42 | USB-ID-FAQ.txt ......... General infos about USB Product- and Vendor-IDs. | ||
43 | USB-IDs-for-free.txt ... List and terms of use for free shared PIDs. | ||
44 | |||
45 | (*) ... These files should be linked to your project. | ||
46 | |||
47 | |||
48 | CPU CORE CLOCK FREQUENCY | ||
49 | ======================== | ||
50 | We supply assembler modules for clock frequencies of 12 MHz, 12.8 MHz, 15 MHz, | ||
51 | 16 MHz, 16.5 MHz 18 MHz and 20 MHz. Other clock rates are not supported. The | ||
52 | actual clock rate must be configured in usbconfig.h. | ||
53 | |||
54 | 12 MHz Clock | ||
55 | This is the traditional clock rate of V-USB because it's the lowest clock | ||
56 | rate where the timing constraints of the USB spec can be met. | ||
57 | |||
58 | 15 MHz Clock | ||
59 | Similar to 12 MHz, but some NOPs inserted. On the other hand, the higher clock | ||
60 | rate allows for some loops which make the resulting code size somewhat smaller | ||
61 | than the 12 MHz version. | ||
62 | |||
63 | 16 MHz Clock | ||
64 | This clock rate has been added for users of the Arduino board and other | ||
65 | ready-made boards which come with a fixed 16 MHz crystal. It's also an option | ||
66 | if you need the slightly higher clock rate for performance reasons. Since | ||
67 | 16 MHz is not divisible by the USB low speed bit clock of 1.5 MHz, the code | ||
68 | is somewhat tricky and has to insert a leap cycle every third byte. | ||
69 | |||
70 | 12.8 MHz and 16.5 MHz Clock | ||
71 | The assembler modules for these clock rates differ from the other modules | ||
72 | because they have been built for an RC oscillator with only 1% precision. The | ||
73 | receiver code inserts leap cycles to compensate for clock deviations. 1% is | ||
74 | also the precision which can be achieved by calibrating the internal RC | ||
75 | oscillator of the AVR. Please note that only AVRs with internal 64 MHz PLL | ||
76 | oscillator can reach 16.5 MHz with the RC oscillator. This includes the very | ||
77 | popular ATTiny25, ATTiny45, ATTiny85 series as well as the ATTiny26. Almost | ||
78 | all AVRs can reach 12.8 MHz, although this is outside the specified range. | ||
79 | |||
80 | See the EasyLogger example at http://www.obdev.at/vusb/easylogger.html for | ||
81 | code which calibrates the RC oscillator based on the USB frame clock. | ||
82 | |||
83 | 18 MHz Clock | ||
84 | This module is closer to the USB specification because it performs an on the | ||
85 | fly CRC check for incoming packets. Packets with invalid checksum are | ||
86 | discarded as required by the spec. If you also implement checks for data | ||
87 | PID toggling on application level (see option USB_CFG_CHECK_DATA_TOGGLING | ||
88 | in usbconfig.h for more info), this ensures data integrity. Due to the CRC | ||
89 | tables and alignment requirements, this code is bigger than modules for other | ||
90 | clock rates. To activate this module, you must define USB_CFG_CHECK_CRC to 1 | ||
91 | and USB_CFG_CLOCK_KHZ to 18000 in usbconfig.h. | ||
92 | |||
93 | 20 MHz Clock | ||
94 | This module is for people who won't do it with less than the maximum. Since | ||
95 | 20 MHz is not divisible by the USB low speed bit clock of 1.5 MHz, the code | ||
96 | uses similar tricks as the 16 MHz module to insert leap cycles. | ||
97 | |||
98 | |||
99 | USB IDENTIFIERS | ||
100 | =============== | ||
101 | Every USB device needs a vendor- and a product-identifier (VID and PID). VIDs | ||
102 | are obtained from usb.org for a price of 1,500 USD. Once you have a VID, you | ||
103 | can assign PIDs at will. | ||
104 | |||
105 | Since an entry level cost of 1,500 USD is too high for most small companies | ||
106 | and hobbyists, we provide some VID/PID pairs for free. See the file | ||
107 | USB-IDs-for-free.txt for details. | ||
108 | |||
109 | Objective Development also has some license offerings which include product | ||
110 | IDs. See http://www.obdev.at/vusb/ for details. | ||
111 | |||
112 | |||
113 | DEVELOPMENT SYSTEM | ||
114 | ================== | ||
115 | This driver has been developed and optimized for the GNU compiler version 3 | ||
116 | and 4. We recommend that you use the GNU compiler suite because it is freely | ||
117 | available. V-USB has also been ported to the IAR compiler and assembler. It | ||
118 | has been tested with IAR 4.10B/W32 and 4.12A/W32 on an ATmega8 with the | ||
119 | "small" and "tiny" memory model. Not every release is tested with IAR CC and | ||
120 | the driver may therefore fail to compile with IAR. Please note that gcc is | ||
121 | more efficient for usbdrv.c because this module has been deliberately | ||
122 | optimized for gcc. | ||
123 | |||
124 | Gcc version 3 produces smaller code than version 4 due to new optimizing | ||
125 | capabilities which don't always improve things on 8 bit CPUs. The code size | ||
126 | generated by gcc 4 can be reduced with the compiler options | ||
127 | -fno-move-loop-invariants, -fno-tree-scev-cprop and | ||
128 | -fno-inline-small-functions in addition to -Os. On devices with more than | ||
129 | 8k of flash memory, we also recommend the linker option --relax (written as | ||
130 | -Wl,--relax for gcc) to convert absolute calls into relative where possible. | ||
131 | |||
132 | For more information about optimizing options see: | ||
133 | |||
134 | http://www.tty1.net/blog/2008-04-29-avr-gcc-optimisations_en.html | ||
135 | |||
136 | These optimizations are good for gcc 4.x. Version 3.x of gcc does not support | ||
137 | most of these options and produces good code anyway. | ||
138 | |||
139 | |||
140 | USING V-USB FOR FREE | ||
141 | ==================== | ||
142 | The AVR firmware driver is published under the GNU General Public License | ||
143 | Version 2 (GPL2) and the GNU General Public License Version 3 (GPL3). It is | ||
144 | your choice whether you apply the terms of version 2 or version 3. | ||
145 | |||
146 | If you decide for the free GPL2 or GPL3, we STRONGLY ENCOURAGE you to do the | ||
147 | following things IN ADDITION to the obligations from the GPL: | ||
148 | |||
149 | (1) Publish your entire project on a web site and drop us a note with the URL. | ||
150 | Use the form at http://www.obdev.at/vusb/feedback.html for your submission. | ||
151 | If you don't have a web site, you can publish the project in obdev's | ||
152 | documentation wiki at | ||
153 | http://www.obdev.at/goto.php?t=vusb-wiki&p=hosted-projects. | ||
154 | |||
155 | (2) Adhere to minimum publication standards. Please include AT LEAST: | ||
156 | - a circuit diagram in PDF, PNG or GIF format | ||
157 | - full source code for the host software | ||
158 | - a readme.txt file in ASCII format which describes the purpose of the | ||
159 | project and what can be found in which directories and which files | ||
160 | - a reference to http://www.obdev.at/vusb/ | ||
161 | |||
162 | (3) If you improve the driver firmware itself, please give us a free license | ||
163 | to your modifications for our commercial license offerings. | ||
164 | |||
165 | |||
166 | COMMERCIAL LICENSES FOR V-USB | ||
167 | ============================= | ||
168 | If you don't want to publish your source code under the terms of the GPL, | ||
169 | you can simply pay money for V-USB. As an additional benefit you get | ||
170 | USB PIDs for free, reserved exclusively to you. See the file | ||
171 | "CommercialLicense.txt" for details. | ||
172 | |||
diff --git a/tmk_core/protocol/vusb/usbdrv/USB-ID-FAQ.txt b/tmk_core/protocol/vusb/usbdrv/USB-ID-FAQ.txt deleted file mode 100644 index d1de8fb61..000000000 --- a/tmk_core/protocol/vusb/usbdrv/USB-ID-FAQ.txt +++ /dev/null | |||
@@ -1,149 +0,0 @@ | |||
1 | Version 2009-08-22 | ||
2 | |||
3 | ========================== | ||
4 | WHY DO WE NEED THESE IDs? | ||
5 | ========================== | ||
6 | |||
7 | USB is more than a low level protocol for data transport. It also defines a | ||
8 | common set of requests which must be understood by all devices. And as part | ||
9 | of these common requests, the specification defines data structures, the | ||
10 | USB Descriptors, which are used to describe the properties of the device. | ||
11 | |||
12 | From the perspective of an operating system, it is therefore possible to find | ||
13 | out basic properties of a device (such as e.g. the manufacturer and the name | ||
14 | of the device) without a device-specific driver. This is essential because | ||
15 | the operating system can choose a driver to load based on this information | ||
16 | (Plug-And-Play). | ||
17 | |||
18 | Among the most important properties in the Device Descriptor are the USB | ||
19 | Vendor- and Product-ID. Both are 16 bit integers. The most simple form of | ||
20 | driver matching is based on these IDs. The driver announces the Vendor- and | ||
21 | Product-IDs of the devices it can handle and the operating system loads the | ||
22 | appropriate driver when the device is connected. | ||
23 | |||
24 | It is obvious that this technique only works if the pair Vendor- plus | ||
25 | Product-ID is unique: Only devices which require the same driver can have the | ||
26 | same pair of IDs. | ||
27 | |||
28 | |||
29 | ===================================================== | ||
30 | HOW DOES THE USB STANDARD ENSURE THAT IDs ARE UNIQUE? | ||
31 | ===================================================== | ||
32 | |||
33 | Since it is so important that USB IDs are unique, the USB Implementers Forum, | ||
34 | Inc. (usb.org) needs a way to enforce this legally. It is not forbidden by | ||
35 | law to build a device and assign it any random numbers as IDs. Usb.org | ||
36 | therefore needs an agreement to regulate the use of USB IDs. The agreement | ||
37 | binds only parties who agreed to it, of course. Everybody else is free to use | ||
38 | any numbers for their IDs. | ||
39 | |||
40 | So how can usb.org ensure that every manufacturer of USB devices enters into | ||
41 | an agreement with them? They do it via trademark licensing. Usb.org has | ||
42 | registered the trademark "USB", all associated logos and related terms. If | ||
43 | you want to put an USB logo on your product or claim that it is USB | ||
44 | compliant, you must license these trademarks from usb.org. And this is where | ||
45 | you enter into an agreement. See the "USB-IF Trademark License Agreement and | ||
46 | Usage Guidelines for the USB-IF Logo" at | ||
47 | http://www.usb.org/developers/logo_license/. | ||
48 | |||
49 | Licensing the USB trademarks requires that you buy a USB Vendor-ID from | ||
50 | usb.org (one-time fee of ca. 2,000 USD), that you become a member of usb.org | ||
51 | (yearly fee of ca. 4,000 USD) and that you meet all the technical | ||
52 | specifications from the USB spec. | ||
53 | |||
54 | This means that most hobbyists and small companies will never be able to | ||
55 | become USB compliant, just because membership is so expensive. And you can't | ||
56 | be compliant with a driver based on V-USB anyway, because the AVR's port pins | ||
57 | don't meet the electrical specifications for USB. So, in principle, all | ||
58 | hobbyists and small companies are free to choose any random numbers for their | ||
59 | IDs. They have nothing to lose... | ||
60 | |||
61 | There is one exception worth noting, though: If you use a sub-component which | ||
62 | implements USB, the vendor of the sub-components may guarantee USB | ||
63 | compliance. This might apply to some or all of FTDI's solutions. | ||
64 | |||
65 | |||
66 | ======================================================================= | ||
67 | WHY SHOULD YOU OBTAIN USB IDs EVEN IF YOU DON'T LICENSE USB TRADEMARKS? | ||
68 | ======================================================================= | ||
69 | |||
70 | You have learned in the previous section that you are free to choose any | ||
71 | numbers for your IDs anyway. So why not do exactly this? There is still the | ||
72 | technical issue. If you choose IDs which are already in use by somebody else, | ||
73 | operating systems will load the wrong drivers and your device won't work. | ||
74 | Even if you choose IDs which are not currently in use, they may be in use in | ||
75 | the next version of the operating system or even after an automatic update. | ||
76 | |||
77 | So what you need is a pair of Vendor- and Product-IDs for which you have the | ||
78 | guarantee that no USB compliant product uses them. This implies that no | ||
79 | operating system will ever ship with drivers responsible for these IDs. | ||
80 | |||
81 | |||
82 | ============================================== | ||
83 | HOW DOES OBJECTIVE DEVELOPMENT HANDLE USB IDs? | ||
84 | ============================================== | ||
85 | |||
86 | Objective Development gives away pairs of USB-IDs with their V-USB licenses. | ||
87 | In order to ensure that these IDs are unique, Objective Development has an | ||
88 | agreement with the company/person who has bought the USB Vendor-ID from | ||
89 | usb.org. This agreement ensures that a range of USB Product-IDs is reserved | ||
90 | for assignment by Objective Development and that the owner of the Vendor-ID | ||
91 | won't give it to anybody else. | ||
92 | |||
93 | This means that you have to trust three parties to ensure uniqueness of | ||
94 | your IDs: | ||
95 | |||
96 | - Objective Development, that they don't give the same PID to more than | ||
97 | one person. | ||
98 | - The owner of the Vendor-ID that they don't assign PIDs from the range | ||
99 | assigned to Objective Development to anybody else. | ||
100 | - Usb.org that they don't assign the same Vendor-ID a second time. | ||
101 | |||
102 | |||
103 | ================================== | ||
104 | WHO IS THE OWNER OF THE VENDOR-ID? | ||
105 | ================================== | ||
106 | |||
107 | Objective Development has obtained ranges of USB Product-IDs under two | ||
108 | Vendor-IDs: Under Vendor-ID 5824 from Wouter van Ooijen (Van Ooijen | ||
109 | Technische Informatica, www.voti.nl) and under Vendor-ID 8352 from Jason | ||
110 | Kotzin (Clay Logic, www.claylogic.com). Both VID owners have received their | ||
111 | Vendor-ID directly from usb.org. | ||
112 | |||
113 | |||
114 | ========================================================================= | ||
115 | CAN I USE USB-IDs FROM OBJECTIVE DEVELOPMENT WITH OTHER DRIVERS/HARDWARE? | ||
116 | ========================================================================= | ||
117 | |||
118 | The short answer is: Yes. All you get is a guarantee that the IDs are never | ||
119 | assigned to anybody else. What more do you need? | ||
120 | |||
121 | |||
122 | ============================ | ||
123 | WHAT ABOUT SHARED ID PAIRS? | ||
124 | ============================ | ||
125 | |||
126 | Objective Development has reserved some PID/VID pairs for shared use. You | ||
127 | have no guarantee of uniqueness for them, except that no USB compliant device | ||
128 | uses them. In order to avoid technical problems, we must ensure that all | ||
129 | devices with the same pair of IDs use the same driver on kernel level. For | ||
130 | details, see the file USB-IDs-for-free.txt. | ||
131 | |||
132 | |||
133 | ====================================================== | ||
134 | I HAVE HEARD THAT SUB-LICENSING OF USB-IDs IS ILLEGAL? | ||
135 | ====================================================== | ||
136 | |||
137 | A 16 bit integer number cannot be protected by copyright laws. It is not | ||
138 | sufficiently complex. And since none of the parties involved entered into the | ||
139 | USB-IF Trademark License Agreement, we are not bound by this agreement. So | ||
140 | there is no reason why it should be illegal to sub-license USB-IDs. | ||
141 | |||
142 | |||
143 | ============================================= | ||
144 | WHO IS LIABLE IF THERE ARE INCOMPATIBILITIES? | ||
145 | ============================================= | ||
146 | |||
147 | Objective Development disclaims all liabilities which might arise from the | ||
148 | assignment of IDs. If you guarantee product features to your customers | ||
149 | without proper disclaimer, YOU are liable for that. | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/USB-IDs-for-free.txt b/tmk_core/protocol/vusb/usbdrv/USB-IDs-for-free.txt deleted file mode 100644 index 2f4d59ad1..000000000 --- a/tmk_core/protocol/vusb/usbdrv/USB-IDs-for-free.txt +++ /dev/null | |||
@@ -1,148 +0,0 @@ | |||
1 | Version 2009-08-22 | ||
2 | |||
3 | =========================== | ||
4 | FREE USB-IDs FOR SHARED USE | ||
5 | =========================== | ||
6 | |||
7 | Objective Development has reserved a set of USB Product-IDs for use according | ||
8 | to the guidelines outlined below. For more information about the concept of | ||
9 | USB IDs please see the file USB-ID-FAQ.txt. Objective Development guarantees | ||
10 | that the IDs listed below are not used by any USB compliant devices. | ||
11 | |||
12 | |||
13 | ==================== | ||
14 | MECHANISM OF SHARING | ||
15 | ==================== | ||
16 | |||
17 | From a technical point of view, two different devices can share the same USB | ||
18 | Vendor- and Product-ID if they require the same driver on operating system | ||
19 | level. We make use of this fact by assigning separate IDs for various device | ||
20 | classes. On application layer, devices must be distinguished by their textual | ||
21 | name or serial number. We offer separate sets of IDs for discrimination by | ||
22 | textual name and for serial number. | ||
23 | |||
24 | Examples for shared use of USB IDs are included with V-USB in the "examples" | ||
25 | subdirectory. | ||
26 | |||
27 | |||
28 | ====================================== | ||
29 | IDs FOR DISCRIMINATION BY TEXTUAL NAME | ||
30 | ====================================== | ||
31 | |||
32 | If you use one of the IDs listed below, your device and host-side software | ||
33 | must conform to these rules: | ||
34 | |||
35 | (1) The USB device MUST provide a textual representation of the manufacturer | ||
36 | and product identification. The manufacturer identification MUST be available | ||
37 | at least in USB language 0x0409 (English/US). | ||
38 | |||
39 | (2) The textual manufacturer identification MUST contain either an Internet | ||
40 | domain name (e.g. "mycompany.com") registered and owned by you, or an e-mail | ||
41 | address under your control (e.g. "myname@gmx.net"). You can embed the domain | ||
42 | name or e-mail address in any string you like, e.g. "Objective Development | ||
43 | http://www.obdev.at/vusb/". | ||
44 | |||
45 | (3) You are responsible for retaining ownership of the domain or e-mail | ||
46 | address for as long as any of your products are in use. | ||
47 | |||
48 | (4) You may choose any string for the textual product identification, as long | ||
49 | as this string is unique within the scope of your textual manufacturer | ||
50 | identification. | ||
51 | |||
52 | (5) Application side device look-up MUST be based on the textual manufacturer | ||
53 | and product identification in addition to VID/PID matching. The driver | ||
54 | matching MUST be a comparison of the entire strings, NOT a sub-string match. | ||
55 | |||
56 | (6) For devices which implement a particular USB device class (e.g. HID), the | ||
57 | operating system's default class driver MUST be used. If an operating system | ||
58 | driver for Vendor Class devices is needed, this driver must be libusb or | ||
59 | libusb-win32 (see http://libusb.org/ and | ||
60 | http://libusb-win32.sourceforge.net/). | ||
61 | |||
62 | Table if IDs for discrimination by textual name: | ||
63 | |||
64 | PID dec (hex) | VID dec (hex) | Description of use | ||
65 | ==============+===============+============================================ | ||
66 | 1500 (0x05dc) | 5824 (0x16c0) | For Vendor Class devices with libusb | ||
67 | --------------+---------------+-------------------------------------------- | ||
68 | 1503 (0x05df) | 5824 (0x16c0) | For generic HID class devices (which are | ||
69 | | | NOT mice, keyboards or joysticks) | ||
70 | --------------+---------------+-------------------------------------------- | ||
71 | 1505 (0x05e1) | 5824 (0x16c0) | For CDC-ACM class devices (modems) | ||
72 | --------------+---------------+-------------------------------------------- | ||
73 | 1508 (0x05e4) | 5824 (0x16c0) | For MIDI class devices | ||
74 | --------------+---------------+-------------------------------------------- | ||
75 | |||
76 | Note that Windows caches the textual product- and vendor-description for | ||
77 | mice, keyboards and joysticks. Name-bsed discrimination is therefore not | ||
78 | recommended for these device classes. | ||
79 | |||
80 | |||
81 | ======================================= | ||
82 | IDs FOR DISCRIMINATION BY SERIAL NUMBER | ||
83 | ======================================= | ||
84 | |||
85 | If you use one of the IDs listed below, your device and host-side software | ||
86 | must conform to these rules: | ||
87 | |||
88 | (1) The USB device MUST provide a textual representation of the serial | ||
89 | number. The serial number string MUST be available at least in USB language | ||
90 | 0x0409 (English/US). | ||
91 | |||
92 | (2) The serial number MUST start with either an Internet domain name (e.g. | ||
93 | "mycompany.com") registered and owned by you, or an e-mail address under your | ||
94 | control (e.g. "myname@gmx.net"), both terminated with a colon (":") character. | ||
95 | You MAY append any string you like for further discrimination of your devices. | ||
96 | |||
97 | (3) You are responsible for retaining ownership of the domain or e-mail | ||
98 | address for as long as any of your products are in use. | ||
99 | |||
100 | (5) Application side device look-up MUST be based on the serial number string | ||
101 | in addition to VID/PID matching. The matching must start at the first | ||
102 | character of the serial number string and include the colon character | ||
103 | terminating your domain or e-mail address. It MAY stop anywhere after that. | ||
104 | |||
105 | (6) For devices which implement a particular USB device class (e.g. HID), the | ||
106 | operating system's default class driver MUST be used. If an operating system | ||
107 | driver for Vendor Class devices is needed, this driver must be libusb or | ||
108 | libusb-win32 (see http://libusb.org/ and | ||
109 | http://libusb-win32.sourceforge.net/). | ||
110 | |||
111 | Table if IDs for discrimination by serial number string: | ||
112 | |||
113 | PID dec (hex) | VID dec (hex) | Description of use | ||
114 | ===============+===============+=========================================== | ||
115 | 10200 (0x27d8) | 5824 (0x16c0) | For Vendor Class devices with libusb | ||
116 | ---------------+---------------+------------------------------------------- | ||
117 | 10201 (0x27d9) | 5824 (0x16c0) | For generic HID class devices (which are | ||
118 | | | NOT mice, keyboards or joysticks) | ||
119 | ---------------+---------------+------------------------------------------- | ||
120 | 10202 (0x27da) | 5824 (0x16c0) | For USB Mice | ||
121 | ---------------+---------------+------------------------------------------- | ||
122 | 10203 (0x27db) | 5824 (0x16c0) | For USB Keyboards | ||
123 | ---------------+---------------+------------------------------------------- | ||
124 | 10204 (0x27db) | 5824 (0x16c0) | For USB Joysticks | ||
125 | ---------------+---------------+------------------------------------------- | ||
126 | 10205 (0x27dc) | 5824 (0x16c0) | For CDC-ACM class devices (modems) | ||
127 | ---------------+---------------+------------------------------------------- | ||
128 | 10206 (0x27dd) | 5824 (0x16c0) | For MIDI class devices | ||
129 | ---------------+---------------+------------------------------------------- | ||
130 | |||
131 | |||
132 | ================= | ||
133 | ORIGIN OF USB-IDs | ||
134 | ================= | ||
135 | |||
136 | OBJECTIVE DEVELOPMENT Software GmbH has obtained all VID/PID pairs listed | ||
137 | here from Wouter van Ooijen (see www.voti.nl) for exclusive disposition. | ||
138 | Wouter van Ooijen has obtained the VID from the USB Implementers Forum, Inc. | ||
139 | (see www.usb.org). The VID is registered for the company name "Van Ooijen | ||
140 | Technische Informatica". | ||
141 | |||
142 | |||
143 | ========== | ||
144 | DISCLAIMER | ||
145 | ========== | ||
146 | |||
147 | OBJECTIVE DEVELOPMENT Software GmbH disclaims all liability for any | ||
148 | problems which are caused by the shared use of these VID/PID pairs. | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/asmcommon.inc b/tmk_core/protocol/vusb/usbdrv/asmcommon.inc deleted file mode 100644 index 07d692be3..000000000 --- a/tmk_core/protocol/vusb/usbdrv/asmcommon.inc +++ /dev/null | |||
@@ -1,188 +0,0 @@ | |||
1 | /* Name: asmcommon.inc | ||
2 | * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers | ||
3 | * Author: Christian Starkjohann | ||
4 | * Creation Date: 2007-11-05 | ||
5 | * Tabsize: 4 | ||
6 | * Copyright: (c) 2007 by OBJECTIVE DEVELOPMENT Software GmbH | ||
7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
8 | * Revision: $Id$ | ||
9 | */ | ||
10 | |||
11 | /* Do not link this file! Link usbdrvasm.S instead, which includes the | ||
12 | * appropriate implementation! | ||
13 | */ | ||
14 | |||
15 | /* | ||
16 | General Description: | ||
17 | This file contains assembler code which is shared among the USB driver | ||
18 | implementations for different CPU cocks. Since the code must be inserted | ||
19 | in the middle of the module, it's split out into this file and #included. | ||
20 | |||
21 | Jump destinations called from outside: | ||
22 | sofError: Called when no start sequence was found. | ||
23 | se0: Called when a package has been successfully received. | ||
24 | overflow: Called when receive buffer overflows. | ||
25 | doReturn: Called after sending data. | ||
26 | |||
27 | Outside jump destinations used by this module: | ||
28 | waitForJ: Called to receive an already arriving packet. | ||
29 | sendAckAndReti: | ||
30 | sendNakAndReti: | ||
31 | sendCntAndReti: | ||
32 | usbSendAndReti: | ||
33 | |||
34 | The following macros must be defined before this file is included: | ||
35 | .macro POP_STANDARD | ||
36 | .endm | ||
37 | .macro POP_RETI | ||
38 | .endm | ||
39 | */ | ||
40 | |||
41 | #define token x1 | ||
42 | |||
43 | overflow: | ||
44 | ldi x2, 1<<USB_INTR_PENDING_BIT | ||
45 | USB_STORE_PENDING(x2) ; clear any pending interrupts | ||
46 | ignorePacket: | ||
47 | clr token | ||
48 | rjmp storeTokenAndReturn | ||
49 | |||
50 | ;---------------------------------------------------------------------------- | ||
51 | ; Processing of received packet (numbers in brackets are cycles after center of SE0) | ||
52 | ;---------------------------------------------------------------------------- | ||
53 | ;This is the only non-error exit point for the software receiver loop | ||
54 | ;we don't check any CRCs here because there is no time left. | ||
55 | se0: | ||
56 | subi cnt, USB_BUFSIZE ;[5] | ||
57 | neg cnt ;[6] | ||
58 | sub YL, cnt ;[7] | ||
59 | sbci YH, 0 ;[8] | ||
60 | ldi x2, 1<<USB_INTR_PENDING_BIT ;[9] | ||
61 | USB_STORE_PENDING(x2) ;[10] clear pending intr and check flag later. SE0 should be over. | ||
62 | ld token, y ;[11] | ||
63 | cpi token, USBPID_DATA0 ;[13] | ||
64 | breq handleData ;[14] | ||
65 | cpi token, USBPID_DATA1 ;[15] | ||
66 | breq handleData ;[16] | ||
67 | lds shift, usbDeviceAddr;[17] | ||
68 | ldd x2, y+1 ;[19] ADDR and 1 bit endpoint number | ||
69 | lsl x2 ;[21] shift out 1 bit endpoint number | ||
70 | cpse x2, shift ;[22] | ||
71 | rjmp ignorePacket ;[23] | ||
72 | /* only compute endpoint number in x3 if required later */ | ||
73 | #if USB_CFG_HAVE_INTRIN_ENDPOINT || USB_CFG_IMPLEMENT_FN_WRITEOUT | ||
74 | ldd x3, y+2 ;[24] endpoint number + crc | ||
75 | rol x3 ;[26] shift in LSB of endpoint | ||
76 | #endif | ||
77 | cpi token, USBPID_IN ;[27] | ||
78 | breq handleIn ;[28] | ||
79 | cpi token, USBPID_SETUP ;[29] | ||
80 | breq handleSetupOrOut ;[30] | ||
81 | cpi token, USBPID_OUT ;[31] | ||
82 | brne ignorePacket ;[32] must be ack, nak or whatever | ||
83 | ; rjmp handleSetupOrOut ; fallthrough | ||
84 | |||
85 | ;Setup and Out are followed by a data packet two bit times (16 cycles) after | ||
86 | ;the end of SE0. The sync code allows up to 40 cycles delay from the start of | ||
87 | ;the sync pattern until the first bit is sampled. That's a total of 56 cycles. | ||
88 | handleSetupOrOut: ;[32] | ||
89 | #if USB_CFG_IMPLEMENT_FN_WRITEOUT /* if we have data for endpoint != 0, set usbCurrentTok to address */ | ||
90 | andi x3, 0xf ;[32] | ||
91 | breq storeTokenAndReturn ;[33] | ||
92 | mov token, x3 ;[34] indicate that this is endpoint x OUT | ||
93 | #endif | ||
94 | storeTokenAndReturn: | ||
95 | sts usbCurrentTok, token;[35] | ||
96 | doReturn: | ||
97 | POP_STANDARD ;[37] 12...16 cycles | ||
98 | USB_LOAD_PENDING(YL) ;[49] | ||
99 | sbrc YL, USB_INTR_PENDING_BIT;[50] check whether data is already arriving | ||
100 | rjmp waitForJ ;[51] save the pops and pushes -- a new interrupt is already pending | ||
101 | sofError: | ||
102 | POP_RETI ;macro call | ||
103 | reti | ||
104 | |||
105 | handleData: | ||
106 | #if USB_CFG_CHECK_CRC | ||
107 | CRC_CLEANUP_AND_CHECK ; jumps to ignorePacket if CRC error | ||
108 | #endif | ||
109 | lds shift, usbCurrentTok;[18] | ||
110 | tst shift ;[20] | ||
111 | breq doReturn ;[21] | ||
112 | lds x2, usbRxLen ;[22] | ||
113 | tst x2 ;[24] | ||
114 | brne sendNakAndReti ;[25] | ||
115 | ; 2006-03-11: The following two lines fix a problem where the device was not | ||
116 | ; recognized if usbPoll() was called less frequently than once every 4 ms. | ||
117 | cpi cnt, 4 ;[26] zero sized data packets are status phase only -- ignore and ack | ||
118 | brmi sendAckAndReti ;[27] keep rx buffer clean -- we must not NAK next SETUP | ||
119 | #if USB_CFG_CHECK_DATA_TOGGLING | ||
120 | sts usbCurrentDataToken, token ; store for checking by C code | ||
121 | #endif | ||
122 | sts usbRxLen, cnt ;[28] store received data, swap buffers | ||
123 | sts usbRxToken, shift ;[30] | ||
124 | lds x2, usbInputBufOffset;[32] swap buffers | ||
125 | ldi cnt, USB_BUFSIZE ;[34] | ||
126 | sub cnt, x2 ;[35] | ||
127 | sts usbInputBufOffset, cnt;[36] buffers now swapped | ||
128 | rjmp sendAckAndReti ;[38] 40 + 17 = 57 until SOP | ||
129 | |||
130 | handleIn: | ||
131 | ;We don't send any data as long as the C code has not processed the current | ||
132 | ;input data and potentially updated the output data. That's more efficient | ||
133 | ;in terms of code size than clearing the tx buffers when a packet is received. | ||
134 | lds x1, usbRxLen ;[30] | ||
135 | cpi x1, 1 ;[32] negative values are flow control, 0 means "buffer free" | ||
136 | brge sendNakAndReti ;[33] unprocessed input packet? | ||
137 | ldi x1, USBPID_NAK ;[34] prepare value for usbTxLen | ||
138 | #if USB_CFG_HAVE_INTRIN_ENDPOINT | ||
139 | andi x3, 0xf ;[35] x3 contains endpoint | ||
140 | #if USB_CFG_SUPPRESS_INTR_CODE | ||
141 | brne sendNakAndReti ;[36] | ||
142 | #else | ||
143 | brne handleIn1 ;[36] | ||
144 | #endif | ||
145 | #endif | ||
146 | lds cnt, usbTxLen ;[37] | ||
147 | sbrc cnt, 4 ;[39] all handshake tokens have bit 4 set | ||
148 | rjmp sendCntAndReti ;[40] 42 + 16 = 58 until SOP | ||
149 | sts usbTxLen, x1 ;[41] x1 == USBPID_NAK from above | ||
150 | ldi YL, lo8(usbTxBuf) ;[43] | ||
151 | ldi YH, hi8(usbTxBuf) ;[44] | ||
152 | rjmp usbSendAndReti ;[45] 57 + 12 = 59 until SOP | ||
153 | |||
154 | ; Comment about when to set usbTxLen to USBPID_NAK: | ||
155 | ; We should set it back when we receive the ACK from the host. This would | ||
156 | ; be simple to implement: One static variable which stores whether the last | ||
157 | ; tx was for endpoint 0 or 1 and a compare in the receiver to distinguish the | ||
158 | ; ACK. However, we set it back immediately when we send the package, | ||
159 | ; assuming that no error occurs and the host sends an ACK. We save one byte | ||
160 | ; RAM this way and avoid potential problems with endless retries. The rest of | ||
161 | ; the driver assumes error-free transfers anyway. | ||
162 | |||
163 | #if !USB_CFG_SUPPRESS_INTR_CODE && USB_CFG_HAVE_INTRIN_ENDPOINT /* placed here due to relative jump range */ | ||
164 | handleIn1: ;[38] | ||
165 | #if USB_CFG_HAVE_INTRIN_ENDPOINT3 | ||
166 | ; 2006-06-10 as suggested by O.Tamura: support second INTR IN / BULK IN endpoint | ||
167 | cpi x3, USB_CFG_EP3_NUMBER;[38] | ||
168 | breq handleIn3 ;[39] | ||
169 | #endif | ||
170 | lds cnt, usbTxLen1 ;[40] | ||
171 | sbrc cnt, 4 ;[42] all handshake tokens have bit 4 set | ||
172 | rjmp sendCntAndReti ;[43] 47 + 16 = 63 until SOP | ||
173 | sts usbTxLen1, x1 ;[44] x1 == USBPID_NAK from above | ||
174 | ldi YL, lo8(usbTxBuf1) ;[46] | ||
175 | ldi YH, hi8(usbTxBuf1) ;[47] | ||
176 | rjmp usbSendAndReti ;[48] 50 + 12 = 62 until SOP | ||
177 | |||
178 | #if USB_CFG_HAVE_INTRIN_ENDPOINT3 | ||
179 | handleIn3: | ||
180 | lds cnt, usbTxLen3 ;[41] | ||
181 | sbrc cnt, 4 ;[43] | ||
182 | rjmp sendCntAndReti ;[44] 49 + 16 = 65 until SOP | ||
183 | sts usbTxLen3, x1 ;[45] x1 == USBPID_NAK from above | ||
184 | ldi YL, lo8(usbTxBuf3) ;[47] | ||
185 | ldi YH, hi8(usbTxBuf3) ;[48] | ||
186 | rjmp usbSendAndReti ;[49] 51 + 12 = 63 until SOP | ||
187 | #endif | ||
188 | #endif | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/oddebug.c b/tmk_core/protocol/vusb/usbdrv/oddebug.c deleted file mode 100644 index bcd28ff01..000000000 --- a/tmk_core/protocol/vusb/usbdrv/oddebug.c +++ /dev/null | |||
@@ -1,46 +0,0 @@ | |||
1 | /* Name: oddebug.c | ||
2 | * Project: AVR library | ||
3 | * Author: Christian Starkjohann | ||
4 | * Creation Date: 2005-01-16 | ||
5 | * Tabsize: 4 | ||
6 | * Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH | ||
7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
8 | * This Revision: $Id: oddebug.c 692 2008-11-07 15:07:40Z cs $ | ||
9 | */ | ||
10 | |||
11 | #include "oddebug.h" | ||
12 | |||
13 | #if DEBUG_LEVEL > 0 | ||
14 | |||
15 | # warning "Never compile production devices with debugging enabled" | ||
16 | |||
17 | static void uartPutc(char c) { | ||
18 | while (!(ODDBG_USR & (1 << ODDBG_UDRE))) | ||
19 | ; /* wait for data register empty */ | ||
20 | ODDBG_UDR = c; | ||
21 | } | ||
22 | |||
23 | static uchar hexAscii(uchar h) { | ||
24 | h &= 0xf; | ||
25 | if (h >= 10) h += 'a' - (uchar)10 - '0'; | ||
26 | h += '0'; | ||
27 | return h; | ||
28 | } | ||
29 | |||
30 | static void printHex(uchar c) { | ||
31 | uartPutc(hexAscii(c >> 4)); | ||
32 | uartPutc(hexAscii(c)); | ||
33 | } | ||
34 | |||
35 | void odDebug(uchar prefix, uchar *data, uchar len) { | ||
36 | printHex(prefix); | ||
37 | uartPutc(':'); | ||
38 | while (len--) { | ||
39 | uartPutc(' '); | ||
40 | printHex(*data++); | ||
41 | } | ||
42 | uartPutc('\r'); | ||
43 | uartPutc('\n'); | ||
44 | } | ||
45 | |||
46 | #endif | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/oddebug.h b/tmk_core/protocol/vusb/usbdrv/oddebug.h deleted file mode 100644 index f93f33879..000000000 --- a/tmk_core/protocol/vusb/usbdrv/oddebug.h +++ /dev/null | |||
@@ -1,121 +0,0 @@ | |||
1 | /* Name: oddebug.h | ||
2 | * Project: AVR library | ||
3 | * Author: Christian Starkjohann | ||
4 | * Creation Date: 2005-01-16 | ||
5 | * Tabsize: 4 | ||
6 | * Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH | ||
7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
8 | * This Revision: $Id: oddebug.h 692 2008-11-07 15:07:40Z cs $ | ||
9 | */ | ||
10 | |||
11 | #ifndef __oddebug_h_included__ | ||
12 | #define __oddebug_h_included__ | ||
13 | |||
14 | /* | ||
15 | General Description: | ||
16 | This module implements a function for debug logs on the serial line of the | ||
17 | AVR microcontroller. Debugging can be configured with the define | ||
18 | 'DEBUG_LEVEL'. If this macro is not defined or defined to 0, all debugging | ||
19 | calls are no-ops. If it is 1, DBG1 logs will appear, but not DBG2. If it is | ||
20 | 2, DBG1 and DBG2 logs will be printed. | ||
21 | |||
22 | A debug log consists of a label ('prefix') to indicate which debug log created | ||
23 | the output and a memory block to dump in hex ('data' and 'len'). | ||
24 | */ | ||
25 | |||
26 | #ifndef F_CPU | ||
27 | # define F_CPU 12000000 /* 12 MHz */ | ||
28 | #endif | ||
29 | |||
30 | /* make sure we have the UART defines: */ | ||
31 | #include "usbportability.h" | ||
32 | |||
33 | #ifndef uchar | ||
34 | # define uchar unsigned char | ||
35 | #endif | ||
36 | |||
37 | #if DEBUG_LEVEL > 0 && !(defined TXEN || defined TXEN0) /* no UART in device */ | ||
38 | # warning "Debugging disabled because device has no UART" | ||
39 | # undef DEBUG_LEVEL | ||
40 | #endif | ||
41 | |||
42 | #ifndef DEBUG_LEVEL | ||
43 | # define DEBUG_LEVEL 0 | ||
44 | #endif | ||
45 | |||
46 | /* ------------------------------------------------------------------------- */ | ||
47 | |||
48 | #if DEBUG_LEVEL > 0 | ||
49 | # define DBG1(prefix, data, len) odDebug(prefix, data, len) | ||
50 | #else | ||
51 | # define DBG1(prefix, data, len) | ||
52 | #endif | ||
53 | |||
54 | #if DEBUG_LEVEL > 1 | ||
55 | # define DBG2(prefix, data, len) odDebug(prefix, data, len) | ||
56 | #else | ||
57 | # define DBG2(prefix, data, len) | ||
58 | #endif | ||
59 | |||
60 | /* ------------------------------------------------------------------------- */ | ||
61 | |||
62 | #if DEBUG_LEVEL > 0 | ||
63 | extern void odDebug(uchar prefix, uchar *data, uchar len); | ||
64 | |||
65 | /* Try to find our control registers; ATMEL likes to rename these */ | ||
66 | |||
67 | # if defined UBRR | ||
68 | # define ODDBG_UBRR UBRR | ||
69 | # elif defined UBRRL | ||
70 | # define ODDBG_UBRR UBRRL | ||
71 | # elif defined UBRR0 | ||
72 | # define ODDBG_UBRR UBRR0 | ||
73 | # elif defined UBRR0L | ||
74 | # define ODDBG_UBRR UBRR0L | ||
75 | # endif | ||
76 | |||
77 | # if defined UCR | ||
78 | # define ODDBG_UCR UCR | ||
79 | # elif defined UCSRB | ||
80 | # define ODDBG_UCR UCSRB | ||
81 | # elif defined UCSR0B | ||
82 | # define ODDBG_UCR UCSR0B | ||
83 | # endif | ||
84 | |||
85 | # if defined TXEN | ||
86 | # define ODDBG_TXEN TXEN | ||
87 | # else | ||
88 | # define ODDBG_TXEN TXEN0 | ||
89 | # endif | ||
90 | |||
91 | # if defined USR | ||
92 | # define ODDBG_USR USR | ||
93 | # elif defined UCSRA | ||
94 | # define ODDBG_USR UCSRA | ||
95 | # elif defined UCSR0A | ||
96 | # define ODDBG_USR UCSR0A | ||
97 | # endif | ||
98 | |||
99 | # if defined UDRE | ||
100 | # define ODDBG_UDRE UDRE | ||
101 | # else | ||
102 | # define ODDBG_UDRE UDRE0 | ||
103 | # endif | ||
104 | |||
105 | # if defined UDR | ||
106 | # define ODDBG_UDR UDR | ||
107 | # elif defined UDR0 | ||
108 | # define ODDBG_UDR UDR0 | ||
109 | # endif | ||
110 | |||
111 | static inline void odDebugInit(void) { | ||
112 | ODDBG_UCR |= (1 << ODDBG_TXEN); | ||
113 | ODDBG_UBRR = F_CPU / (19200 * 16L) - 1; | ||
114 | } | ||
115 | #else | ||
116 | # define odDebugInit() | ||
117 | #endif | ||
118 | |||
119 | /* ------------------------------------------------------------------------- */ | ||
120 | |||
121 | #endif /* __oddebug_h_included__ */ | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/usbconfig-prototype.h b/tmk_core/protocol/vusb/usbdrv/usbconfig-prototype.h deleted file mode 100644 index 020ea5147..000000000 --- a/tmk_core/protocol/vusb/usbdrv/usbconfig-prototype.h +++ /dev/null | |||
@@ -1,376 +0,0 @@ | |||
1 | /* Name: usbconfig.h | ||
2 | * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers | ||
3 | * Author: Christian Starkjohann | ||
4 | * Creation Date: 2005-04-01 | ||
5 | * Tabsize: 4 | ||
6 | * Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH | ||
7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
8 | * This Revision: $Id: usbconfig-prototype.h 785 2010-05-30 17:57:07Z cs $ | ||
9 | */ | ||
10 | |||
11 | #ifndef __usbconfig_h_included__ | ||
12 | #define __usbconfig_h_included__ | ||
13 | |||
14 | /* | ||
15 | General Description: | ||
16 | This file is an example configuration (with inline documentation) for the USB | ||
17 | driver. It configures V-USB for USB D+ connected to Port D bit 2 (which is | ||
18 | also hardware interrupt 0 on many devices) and USB D- to Port D bit 4. You may | ||
19 | wire the lines to any other port, as long as D+ is also wired to INT0 (or any | ||
20 | other hardware interrupt, as long as it is the highest level interrupt, see | ||
21 | section at the end of this file). | ||
22 | + To create your own usbconfig.h file, copy this file to your project's | ||
23 | + firmware source directory) and rename it to "usbconfig.h". | ||
24 | + Then edit it accordingly. | ||
25 | */ | ||
26 | |||
27 | /* ---------------------------- Hardware Config ---------------------------- */ | ||
28 | |||
29 | #define USB_CFG_IOPORTNAME D | ||
30 | /* This is the port where the USB bus is connected. When you configure it to | ||
31 | * "B", the registers PORTB, PINB and DDRB will be used. | ||
32 | */ | ||
33 | #define USB_CFG_DMINUS_BIT 4 | ||
34 | /* This is the bit number in USB_CFG_IOPORT where the USB D- line is connected. | ||
35 | * This may be any bit in the port. | ||
36 | */ | ||
37 | #define USB_CFG_DPLUS_BIT 2 | ||
38 | /* This is the bit number in USB_CFG_IOPORT where the USB D+ line is connected. | ||
39 | * This may be any bit in the port. Please note that D+ must also be connected | ||
40 | * to interrupt pin INT0! [You can also use other interrupts, see section | ||
41 | * "Optional MCU Description" below, or you can connect D- to the interrupt, as | ||
42 | * it is required if you use the USB_COUNT_SOF feature. If you use D- for the | ||
43 | * interrupt, the USB interrupt will also be triggered at Start-Of-Frame | ||
44 | * markers every millisecond.] | ||
45 | */ | ||
46 | #define USB_CFG_CLOCK_KHZ (F_CPU / 1000) | ||
47 | /* Clock rate of the AVR in kHz. Legal values are 12000, 12800, 15000, 16000, | ||
48 | * 16500, 18000 and 20000. The 12.8 MHz and 16.5 MHz versions of the code | ||
49 | * require no crystal, they tolerate +/- 1% deviation from the nominal | ||
50 | * frequency. All other rates require a precision of 2000 ppm and thus a | ||
51 | * crystal! | ||
52 | * Since F_CPU should be defined to your actual clock rate anyway, you should | ||
53 | * not need to modify this setting. | ||
54 | */ | ||
55 | #define USB_CFG_CHECK_CRC 0 | ||
56 | /* Define this to 1 if you want that the driver checks integrity of incoming | ||
57 | * data packets (CRC checks). CRC checks cost quite a bit of code size and are | ||
58 | * currently only available for 18 MHz crystal clock. You must choose | ||
59 | * USB_CFG_CLOCK_KHZ = 18000 if you enable this option. | ||
60 | */ | ||
61 | |||
62 | /* ----------------------- Optional Hardware Config ------------------------ */ | ||
63 | |||
64 | /* #define USB_CFG_PULLUP_IOPORTNAME D */ | ||
65 | /* If you connect the 1.5k pullup resistor from D- to a port pin instead of | ||
66 | * V+, you can connect and disconnect the device from firmware by calling | ||
67 | * the macros usbDeviceConnect() and usbDeviceDisconnect() (see usbdrv.h). | ||
68 | * This constant defines the port on which the pullup resistor is connected. | ||
69 | */ | ||
70 | /* #define USB_CFG_PULLUP_BIT 4 */ | ||
71 | /* This constant defines the bit number in USB_CFG_PULLUP_IOPORT (defined | ||
72 | * above) where the 1.5k pullup resistor is connected. See description | ||
73 | * above for details. | ||
74 | */ | ||
75 | |||
76 | /* --------------------------- Functional Range ---------------------------- */ | ||
77 | |||
78 | #define USB_CFG_HAVE_INTRIN_ENDPOINT 0 | ||
79 | /* Define this to 1 if you want to compile a version with two endpoints: The | ||
80 | * default control endpoint 0 and an interrupt-in endpoint (any other endpoint | ||
81 | * number). | ||
82 | */ | ||
83 | #define USB_CFG_HAVE_INTRIN_ENDPOINT3 0 | ||
84 | /* Define this to 1 if you want to compile a version with three endpoints: The | ||
85 | * default control endpoint 0, an interrupt-in endpoint 3 (or the number | ||
86 | * configured below) and a catch-all default interrupt-in endpoint as above. | ||
87 | * You must also define USB_CFG_HAVE_INTRIN_ENDPOINT to 1 for this feature. | ||
88 | */ | ||
89 | #define USB_CFG_EP3_NUMBER 3 | ||
90 | /* If the so-called endpoint 3 is used, it can now be configured to any other | ||
91 | * endpoint number (except 0) with this macro. Default if undefined is 3. | ||
92 | */ | ||
93 | /* #define USB_INITIAL_DATATOKEN USBPID_DATA1 */ | ||
94 | /* The above macro defines the startup condition for data toggling on the | ||
95 | * interrupt/bulk endpoints 1 and 3. Defaults to USBPID_DATA1. | ||
96 | * Since the token is toggled BEFORE sending any data, the first packet is | ||
97 | * sent with the oposite value of this configuration! | ||
98 | */ | ||
99 | #define USB_CFG_IMPLEMENT_HALT 0 | ||
100 | /* Define this to 1 if you also want to implement the ENDPOINT_HALT feature | ||
101 | * for endpoint 1 (interrupt endpoint). Although you may not need this feature, | ||
102 | * it is required by the standard. We have made it a config option because it | ||
103 | * bloats the code considerably. | ||
104 | */ | ||
105 | #define USB_CFG_SUPPRESS_INTR_CODE 0 | ||
106 | /* Define this to 1 if you want to declare interrupt-in endpoints, but don't | ||
107 | * want to send any data over them. If this macro is defined to 1, functions | ||
108 | * usbSetInterrupt() and usbSetInterrupt3() are omitted. This is useful if | ||
109 | * you need the interrupt-in endpoints in order to comply to an interface | ||
110 | * (e.g. HID), but never want to send any data. This option saves a couple | ||
111 | * of bytes in flash memory and the transmit buffers in RAM. | ||
112 | */ | ||
113 | #define USB_CFG_INTR_POLL_INTERVAL 10 | ||
114 | /* If you compile a version with endpoint 1 (interrupt-in), this is the poll | ||
115 | * interval. The value is in milliseconds and must not be less than 10 ms for | ||
116 | * low speed devices. | ||
117 | */ | ||
118 | #define USB_CFG_IS_SELF_POWERED 0 | ||
119 | /* Define this to 1 if the device has its own power supply. Set it to 0 if the | ||
120 | * device is powered from the USB bus. | ||
121 | */ | ||
122 | #define USB_CFG_MAX_BUS_POWER 100 | ||
123 | /* Set this variable to the maximum USB bus power consumption of your device. | ||
124 | * The value is in milliamperes. [It will be divided by two since USB | ||
125 | * communicates power requirements in units of 2 mA.] | ||
126 | */ | ||
127 | #define USB_CFG_IMPLEMENT_FN_WRITE 0 | ||
128 | /* Set this to 1 if you want usbFunctionWrite() to be called for control-out | ||
129 | * transfers. Set it to 0 if you don't need it and want to save a couple of | ||
130 | * bytes. | ||
131 | */ | ||
132 | #define USB_CFG_IMPLEMENT_FN_READ 0 | ||
133 | /* Set this to 1 if you need to send control replies which are generated | ||
134 | * "on the fly" when usbFunctionRead() is called. If you only want to send | ||
135 | * data from a static buffer, set it to 0 and return the data from | ||
136 | * usbFunctionSetup(). This saves a couple of bytes. | ||
137 | */ | ||
138 | #define USB_CFG_IMPLEMENT_FN_WRITEOUT 0 | ||
139 | /* Define this to 1 if you want to use interrupt-out (or bulk out) endpoints. | ||
140 | * You must implement the function usbFunctionWriteOut() which receives all | ||
141 | * interrupt/bulk data sent to any endpoint other than 0. The endpoint number | ||
142 | * can be found in 'usbRxToken'. | ||
143 | */ | ||
144 | #define USB_CFG_HAVE_FLOWCONTROL 0 | ||
145 | /* Define this to 1 if you want flowcontrol over USB data. See the definition | ||
146 | * of the macros usbDisableAllRequests() and usbEnableAllRequests() in | ||
147 | * usbdrv.h. | ||
148 | */ | ||
149 | #define USB_CFG_DRIVER_FLASH_PAGE 0 | ||
150 | /* If the device has more than 64 kBytes of flash, define this to the 64 k page | ||
151 | * where the driver's constants (descriptors) are located. Or in other words: | ||
152 | * Define this to 1 for boot loaders on the ATMega128. | ||
153 | */ | ||
154 | #define USB_CFG_LONG_TRANSFERS 0 | ||
155 | /* Define this to 1 if you want to send/receive blocks of more than 254 bytes | ||
156 | * in a single control-in or control-out transfer. Note that the capability | ||
157 | * for long transfers increases the driver size. | ||
158 | */ | ||
159 | /* #define USB_RX_USER_HOOK(data, len) if(usbRxToken == (uchar)USBPID_SETUP) blinkLED(); */ | ||
160 | /* This macro is a hook if you want to do unconventional things. If it is | ||
161 | * defined, it's inserted at the beginning of received message processing. | ||
162 | * If you eat the received message and don't want default processing to | ||
163 | * proceed, do a return after doing your things. One possible application | ||
164 | * (besides debugging) is to flash a status LED on each packet. | ||
165 | */ | ||
166 | /* #define USB_RESET_HOOK(resetStarts) if(!resetStarts){hadUsbReset();} */ | ||
167 | /* This macro is a hook if you need to know when an USB RESET occurs. It has | ||
168 | * one parameter which distinguishes between the start of RESET state and its | ||
169 | * end. | ||
170 | */ | ||
171 | /* #define USB_SET_ADDRESS_HOOK() hadAddressAssigned(); */ | ||
172 | /* This macro (if defined) is executed when a USB SET_ADDRESS request was | ||
173 | * received. | ||
174 | */ | ||
175 | #define USB_COUNT_SOF 0 | ||
176 | /* define this macro to 1 if you need the global variable "usbSofCount" which | ||
177 | * counts SOF packets. This feature requires that the hardware interrupt is | ||
178 | * connected to D- instead of D+. | ||
179 | */ | ||
180 | /* #ifdef __ASSEMBLER__ | ||
181 | * macro myAssemblerMacro | ||
182 | * in YL, TCNT0 | ||
183 | * sts timer0Snapshot, YL | ||
184 | * endm | ||
185 | * #endif | ||
186 | * #define USB_SOF_HOOK myAssemblerMacro | ||
187 | * This macro (if defined) is executed in the assembler module when a | ||
188 | * Start Of Frame condition is detected. It is recommended to define it to | ||
189 | * the name of an assembler macro which is defined here as well so that more | ||
190 | * than one assembler instruction can be used. The macro may use the register | ||
191 | * YL and modify SREG. If it lasts longer than a couple of cycles, USB messages | ||
192 | * immediately after an SOF pulse may be lost and must be retried by the host. | ||
193 | * What can you do with this hook? Since the SOF signal occurs exactly every | ||
194 | * 1 ms (unless the host is in sleep mode), you can use it to tune OSCCAL in | ||
195 | * designs running on the internal RC oscillator. | ||
196 | * Please note that Start Of Frame detection works only if D- is wired to the | ||
197 | * interrupt, not D+. THIS IS DIFFERENT THAN MOST EXAMPLES! | ||
198 | */ | ||
199 | #define USB_CFG_CHECK_DATA_TOGGLING 0 | ||
200 | /* define this macro to 1 if you want to filter out duplicate data packets | ||
201 | * sent by the host. Duplicates occur only as a consequence of communication | ||
202 | * errors, when the host does not receive an ACK. Please note that you need to | ||
203 | * implement the filtering yourself in usbFunctionWriteOut() and | ||
204 | * usbFunctionWrite(). Use the global usbCurrentDataToken and a static variable | ||
205 | * for each control- and out-endpoint to check for duplicate packets. | ||
206 | */ | ||
207 | #define USB_CFG_HAVE_MEASURE_FRAME_LENGTH 0 | ||
208 | /* define this macro to 1 if you want the function usbMeasureFrameLength() | ||
209 | * compiled in. This function can be used to calibrate the AVR's RC oscillator. | ||
210 | */ | ||
211 | #define USB_USE_FAST_CRC 0 | ||
212 | /* The assembler module has two implementations for the CRC algorithm. One is | ||
213 | * faster, the other is smaller. This CRC routine is only used for transmitted | ||
214 | * messages where timing is not critical. The faster routine needs 31 cycles | ||
215 | * per byte while the smaller one needs 61 to 69 cycles. The faster routine | ||
216 | * may be worth the 32 bytes bigger code size if you transmit lots of data and | ||
217 | * run the AVR close to its limit. | ||
218 | */ | ||
219 | |||
220 | /* -------------------------- Device Description --------------------------- */ | ||
221 | |||
222 | #define USB_CFG_VENDOR_ID 0xc0, 0x16 /* = 0x16c0 = 5824 = voti.nl */ | ||
223 | /* USB vendor ID for the device, low byte first. If you have registered your | ||
224 | * own Vendor ID, define it here. Otherwise you may use one of obdev's free | ||
225 | * shared VID/PID pairs. Be sure to read USB-IDs-for-free.txt for rules! | ||
226 | * *** IMPORTANT NOTE *** | ||
227 | * This template uses obdev's shared VID/PID pair for Vendor Class devices | ||
228 | * with libusb: 0x16c0/0x5dc. Use this VID/PID pair ONLY if you understand | ||
229 | * the implications! | ||
230 | */ | ||
231 | #define USB_CFG_DEVICE_ID 0xdc, 0x05 /* = 0x05dc = 1500 */ | ||
232 | /* This is the ID of the product, low byte first. It is interpreted in the | ||
233 | * scope of the vendor ID. If you have registered your own VID with usb.org | ||
234 | * or if you have licensed a PID from somebody else, define it here. Otherwise | ||
235 | * you may use one of obdev's free shared VID/PID pairs. See the file | ||
236 | * USB-IDs-for-free.txt for details! | ||
237 | * *** IMPORTANT NOTE *** | ||
238 | * This template uses obdev's shared VID/PID pair for Vendor Class devices | ||
239 | * with libusb: 0x16c0/0x5dc. Use this VID/PID pair ONLY if you understand | ||
240 | * the implications! | ||
241 | */ | ||
242 | #define USB_CFG_DEVICE_VERSION 0x00, 0x01 | ||
243 | /* Version number of the device: Minor number first, then major number. | ||
244 | */ | ||
245 | #define USB_CFG_VENDOR_NAME 'o', 'b', 'd', 'e', 'v', '.', 'a', 't' | ||
246 | #define USB_CFG_VENDOR_NAME_LEN 8 | ||
247 | /* These two values define the vendor name returned by the USB device. The name | ||
248 | * must be given as a list of characters under single quotes. The characters | ||
249 | * are interpreted as Unicode (UTF-16) entities. | ||
250 | * If you don't want a vendor name string, undefine these macros. | ||
251 | * ALWAYS define a vendor name containing your Internet domain name if you use | ||
252 | * obdev's free shared VID/PID pair. See the file USB-IDs-for-free.txt for | ||
253 | * details. | ||
254 | */ | ||
255 | #define USB_CFG_DEVICE_NAME 'T', 'e', 'm', 'p', 'l', 'a', 't', 'e' | ||
256 | #define USB_CFG_DEVICE_NAME_LEN 8 | ||
257 | /* Same as above for the device name. If you don't want a device name, undefine | ||
258 | * the macros. See the file USB-IDs-for-free.txt before you assign a name if | ||
259 | * you use a shared VID/PID. | ||
260 | */ | ||
261 | /*#define USB_CFG_SERIAL_NUMBER 'N', 'o', 'n', 'e' */ | ||
262 | /*#define USB_CFG_SERIAL_NUMBER_LEN 0 */ | ||
263 | /* Same as above for the serial number. If you don't want a serial number, | ||
264 | * undefine the macros. | ||
265 | * It may be useful to provide the serial number through other means than at | ||
266 | * compile time. See the section about descriptor properties below for how | ||
267 | * to fine tune control over USB descriptors such as the string descriptor | ||
268 | * for the serial number. | ||
269 | */ | ||
270 | #define USB_CFG_DEVICE_CLASS 0xff /* set to 0 if deferred to interface */ | ||
271 | #define USB_CFG_DEVICE_SUBCLASS 0 | ||
272 | /* See USB specification if you want to conform to an existing device class. | ||
273 | * Class 0xff is "vendor specific". | ||
274 | */ | ||
275 | #define USB_CFG_INTERFACE_CLASS 0 /* define class here if not at device level */ | ||
276 | #define USB_CFG_INTERFACE_SUBCLASS 0 | ||
277 | #define USB_CFG_INTERFACE_PROTOCOL 0 | ||
278 | /* See USB specification if you want to conform to an existing device class or | ||
279 | * protocol. The following classes must be set at interface level: | ||
280 | * HID class is 3, no subclass and protocol required (but may be useful!) | ||
281 | * CDC class is 2, use subclass 2 and protocol 1 for ACM | ||
282 | */ | ||
283 | /* #define USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH 42 */ | ||
284 | /* Define this to the length of the HID report descriptor, if you implement | ||
285 | * an HID device. Otherwise don't define it or define it to 0. | ||
286 | * If you use this define, you must add a PROGMEM character array named | ||
287 | * "usbHidReportDescriptor" to your code which contains the report descriptor. | ||
288 | * Don't forget to keep the array and this define in sync! | ||
289 | */ | ||
290 | |||
291 | /* #define USB_PUBLIC static */ | ||
292 | /* Use the define above if you #include usbdrv.c instead of linking against it. | ||
293 | * This technique saves a couple of bytes in flash memory. | ||
294 | */ | ||
295 | |||
296 | /* ------------------- Fine Control over USB Descriptors ------------------- */ | ||
297 | /* If you don't want to use the driver's default USB descriptors, you can | ||
298 | * provide our own. These can be provided as (1) fixed length static data in | ||
299 | * flash memory, (2) fixed length static data in RAM or (3) dynamically at | ||
300 | * runtime in the function usbFunctionDescriptor(). See usbdrv.h for more | ||
301 | * information about this function. | ||
302 | * Descriptor handling is configured through the descriptor's properties. If | ||
303 | * no properties are defined or if they are 0, the default descriptor is used. | ||
304 | * Possible properties are: | ||
305 | * + USB_PROP_IS_DYNAMIC: The data for the descriptor should be fetched | ||
306 | * at runtime via usbFunctionDescriptor(). If the usbMsgPtr mechanism is | ||
307 | * used, the data is in FLASH by default. Add property USB_PROP_IS_RAM if | ||
308 | * you want RAM pointers. | ||
309 | * + USB_PROP_IS_RAM: The data returned by usbFunctionDescriptor() or found | ||
310 | * in static memory is in RAM, not in flash memory. | ||
311 | * + USB_PROP_LENGTH(len): If the data is in static memory (RAM or flash), | ||
312 | * the driver must know the descriptor's length. The descriptor itself is | ||
313 | * found at the address of a well known identifier (see below). | ||
314 | * List of static descriptor names (must be declared PROGMEM if in flash): | ||
315 | * char usbDescriptorDevice[]; | ||
316 | * char usbDescriptorConfiguration[]; | ||
317 | * char usbDescriptorHidReport[]; | ||
318 | * char usbDescriptorString0[]; | ||
319 | * int usbDescriptorStringVendor[]; | ||
320 | * int usbDescriptorStringDevice[]; | ||
321 | * int usbDescriptorStringSerialNumber[]; | ||
322 | * Other descriptors can't be provided statically, they must be provided | ||
323 | * dynamically at runtime. | ||
324 | * | ||
325 | * Descriptor properties are or-ed or added together, e.g.: | ||
326 | * #define USB_CFG_DESCR_PROPS_DEVICE (USB_PROP_IS_RAM | USB_PROP_LENGTH(18)) | ||
327 | * | ||
328 | * The following descriptors are defined: | ||
329 | * USB_CFG_DESCR_PROPS_DEVICE | ||
330 | * USB_CFG_DESCR_PROPS_CONFIGURATION | ||
331 | * USB_CFG_DESCR_PROPS_STRINGS | ||
332 | * USB_CFG_DESCR_PROPS_STRING_0 | ||
333 | * USB_CFG_DESCR_PROPS_STRING_VENDOR | ||
334 | * USB_CFG_DESCR_PROPS_STRING_PRODUCT | ||
335 | * USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER | ||
336 | * USB_CFG_DESCR_PROPS_HID | ||
337 | * USB_CFG_DESCR_PROPS_HID_REPORT | ||
338 | * USB_CFG_DESCR_PROPS_UNKNOWN (for all descriptors not handled by the driver) | ||
339 | * | ||
340 | * Note about string descriptors: String descriptors are not just strings, they | ||
341 | * are Unicode strings prefixed with a 2 byte header. Example: | ||
342 | * int serialNumberDescriptor[] = { | ||
343 | * USB_STRING_DESCRIPTOR_HEADER(6), | ||
344 | * 'S', 'e', 'r', 'i', 'a', 'l' | ||
345 | * }; | ||
346 | */ | ||
347 | |||
348 | #define USB_CFG_DESCR_PROPS_DEVICE 0 | ||
349 | #define USB_CFG_DESCR_PROPS_CONFIGURATION 0 | ||
350 | #define USB_CFG_DESCR_PROPS_STRINGS 0 | ||
351 | #define USB_CFG_DESCR_PROPS_STRING_0 0 | ||
352 | #define USB_CFG_DESCR_PROPS_STRING_VENDOR 0 | ||
353 | #define USB_CFG_DESCR_PROPS_STRING_PRODUCT 0 | ||
354 | #define USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER 0 | ||
355 | #define USB_CFG_DESCR_PROPS_HID 0 | ||
356 | #define USB_CFG_DESCR_PROPS_HID_REPORT 0 | ||
357 | #define USB_CFG_DESCR_PROPS_UNKNOWN 0 | ||
358 | |||
359 | /* ----------------------- Optional MCU Description ------------------------ */ | ||
360 | |||
361 | /* The following configurations have working defaults in usbdrv.h. You | ||
362 | * usually don't need to set them explicitly. Only if you want to run | ||
363 | * the driver on a device which is not yet supported or with a compiler | ||
364 | * which is not fully supported (such as IAR C) or if you use a differnt | ||
365 | * interrupt than INT0, you may have to define some of these. | ||
366 | */ | ||
367 | /* #define USB_INTR_CFG MCUCR */ | ||
368 | /* #define USB_INTR_CFG_SET ((1 << ISC00) | (1 << ISC01)) */ | ||
369 | /* #define USB_INTR_CFG_CLR 0 */ | ||
370 | /* #define USB_INTR_ENABLE GIMSK */ | ||
371 | /* #define USB_INTR_ENABLE_BIT INT0 */ | ||
372 | /* #define USB_INTR_PENDING GIFR */ | ||
373 | /* #define USB_INTR_PENDING_BIT INTF0 */ | ||
374 | /* #define USB_INTR_VECTOR INT0_vect */ | ||
375 | |||
376 | #endif /* __usbconfig_h_included__ */ | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/usbdrv.c b/tmk_core/protocol/vusb/usbdrv/usbdrv.c deleted file mode 100644 index f69198b1b..000000000 --- a/tmk_core/protocol/vusb/usbdrv/usbdrv.c +++ /dev/null | |||
@@ -1,622 +0,0 @@ | |||
1 | /* Name: usbdrv.c | ||
2 | * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers | ||
3 | * Author: Christian Starkjohann | ||
4 | * Creation Date: 2004-12-29 | ||
5 | * Tabsize: 4 | ||
6 | * Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH | ||
7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
8 | * This Revision: $Id: usbdrv.c 791 2010-07-15 15:56:13Z cs $ | ||
9 | */ | ||
10 | |||
11 | #include "usbportability.h" | ||
12 | #include "usbdrv.h" | ||
13 | #include "oddebug.h" | ||
14 | |||
15 | /* | ||
16 | General Description: | ||
17 | This module implements the C-part of the USB driver. See usbdrv.h for a | ||
18 | documentation of the entire driver. | ||
19 | */ | ||
20 | |||
21 | /* ------------------------------------------------------------------------- */ | ||
22 | |||
23 | /* raw USB registers / interface to assembler code: */ | ||
24 | uchar usbRxBuf[2 * USB_BUFSIZE]; /* raw RX buffer: PID, 8 bytes data, 2 bytes CRC */ | ||
25 | uchar usbInputBufOffset; /* offset in usbRxBuf used for low level receiving */ | ||
26 | uchar usbDeviceAddr; /* assigned during enumeration, defaults to 0 */ | ||
27 | uchar usbNewDeviceAddr; /* device ID which should be set after status phase */ | ||
28 | uchar usbConfiguration; /* currently selected configuration. Administered by driver, but not used */ | ||
29 | volatile schar usbRxLen; /* = 0; number of bytes in usbRxBuf; 0 means free, -1 for flow control */ | ||
30 | uchar usbCurrentTok; /* last token received or endpoint number for last OUT token if != 0 */ | ||
31 | uchar usbRxToken; /* token for data we received; or endpont number for last OUT */ | ||
32 | volatile uchar usbTxLen = USBPID_NAK; /* number of bytes to transmit with next IN token or handshake token */ | ||
33 | uchar usbTxBuf[USB_BUFSIZE]; /* data to transmit with next IN, free if usbTxLen contains handshake token */ | ||
34 | #if USB_COUNT_SOF | ||
35 | volatile uchar usbSofCount; /* incremented by assembler module every SOF */ | ||
36 | #endif | ||
37 | #if USB_CFG_HAVE_INTRIN_ENDPOINT && !USB_CFG_SUPPRESS_INTR_CODE | ||
38 | usbTxStatus_t usbTxStatus1; | ||
39 | # if USB_CFG_HAVE_INTRIN_ENDPOINT3 | ||
40 | usbTxStatus_t usbTxStatus3; | ||
41 | # endif | ||
42 | #endif | ||
43 | #if USB_CFG_CHECK_DATA_TOGGLING | ||
44 | uchar usbCurrentDataToken; /* when we check data toggling to ignore duplicate packets */ | ||
45 | #endif | ||
46 | |||
47 | /* USB status registers / not shared with asm code */ | ||
48 | uchar * usbMsgPtr; /* data to transmit next -- ROM or RAM address */ | ||
49 | static usbMsgLen_t usbMsgLen = USB_NO_MSG; /* remaining number of bytes */ | ||
50 | static uchar usbMsgFlags; /* flag values see below */ | ||
51 | |||
52 | #define USB_FLG_MSGPTR_IS_ROM (1 << 6) | ||
53 | #define USB_FLG_USE_USER_RW (1 << 7) | ||
54 | |||
55 | /* | ||
56 | optimizing hints: | ||
57 | - do not post/pre inc/dec integer values in operations | ||
58 | - assign value of USB_READ_FLASH() to register variables and don't use side effects in arg | ||
59 | - use narrow scope for variables which should be in X/Y/Z register | ||
60 | - assign char sized expressions to variables to force 8 bit arithmetics | ||
61 | */ | ||
62 | |||
63 | /* -------------------------- String Descriptors --------------------------- */ | ||
64 | |||
65 | #if USB_CFG_DESCR_PROPS_STRINGS == 0 | ||
66 | |||
67 | # if USB_CFG_DESCR_PROPS_STRING_0 == 0 | ||
68 | # undef USB_CFG_DESCR_PROPS_STRING_0 | ||
69 | # define USB_CFG_DESCR_PROPS_STRING_0 sizeof(usbDescriptorString0) | ||
70 | const PROGMEM char usbDescriptorString0[] = { | ||
71 | /* language descriptor */ | ||
72 | 4, /* sizeof(usbDescriptorString0): length of descriptor in bytes */ | ||
73 | 3, /* descriptor type */ | ||
74 | 0x09, 0x04, /* language index (0x0409 = US-English) */ | ||
75 | }; | ||
76 | # endif | ||
77 | |||
78 | # if USB_CFG_DESCR_PROPS_STRING_VENDOR == 0 && USB_CFG_VENDOR_NAME_LEN | ||
79 | # undef USB_CFG_DESCR_PROPS_STRING_VENDOR | ||
80 | # define USB_CFG_DESCR_PROPS_STRING_VENDOR sizeof(usbDescriptorStringVendor) | ||
81 | const PROGMEM int usbDescriptorStringVendor[] = {USB_STRING_DESCRIPTOR_HEADER(USB_CFG_VENDOR_NAME_LEN), USB_CFG_VENDOR_NAME}; | ||
82 | # endif | ||
83 | |||
84 | # if USB_CFG_DESCR_PROPS_STRING_PRODUCT == 0 && USB_CFG_DEVICE_NAME_LEN | ||
85 | # undef USB_CFG_DESCR_PROPS_STRING_PRODUCT | ||
86 | # define USB_CFG_DESCR_PROPS_STRING_PRODUCT sizeof(usbDescriptorStringDevice) | ||
87 | const PROGMEM int usbDescriptorStringDevice[] = {USB_STRING_DESCRIPTOR_HEADER(USB_CFG_DEVICE_NAME_LEN), USB_CFG_DEVICE_NAME}; | ||
88 | # endif | ||
89 | |||
90 | # if USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER == 0 && USB_CFG_SERIAL_NUMBER_LEN | ||
91 | # undef USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER | ||
92 | # define USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER sizeof(usbDescriptorStringSerialNumber) | ||
93 | const PROGMEM int usbDescriptorStringSerialNumber[] = {USB_STRING_DESCRIPTOR_HEADER(USB_CFG_SERIAL_NUMBER_LEN), USB_CFG_SERIAL_NUMBER}; | ||
94 | # endif | ||
95 | |||
96 | #endif /* USB_CFG_DESCR_PROPS_STRINGS == 0 */ | ||
97 | |||
98 | /* --------------------------- Device Descriptor --------------------------- */ | ||
99 | |||
100 | #if USB_CFG_DESCR_PROPS_DEVICE == 0 | ||
101 | # undef USB_CFG_DESCR_PROPS_DEVICE | ||
102 | # define USB_CFG_DESCR_PROPS_DEVICE sizeof(usbDescriptorDevice) | ||
103 | const PROGMEM char usbDescriptorDevice[] = { | ||
104 | /* USB device descriptor */ | ||
105 | 18, /* sizeof(usbDescriptorDevice): length of descriptor in bytes */ | ||
106 | USBDESCR_DEVICE, /* descriptor type */ | ||
107 | 0x10, 0x01, /* USB version supported */ | ||
108 | USB_CFG_DEVICE_CLASS, USB_CFG_DEVICE_SUBCLASS, 0, /* protocol */ | ||
109 | 8, /* max packet size */ | ||
110 | /* the following two casts affect the first byte of the constant only, but | ||
111 | * that's sufficient to avoid a warning with the default values. | ||
112 | */ | ||
113 | (char)USB_CFG_VENDOR_ID, /* 2 bytes */ | ||
114 | (char)USB_CFG_DEVICE_ID, /* 2 bytes */ | ||
115 | USB_CFG_DEVICE_VERSION, /* 2 bytes */ | ||
116 | USB_CFG_DESCR_PROPS_STRING_VENDOR != 0 ? 1 : 0, /* manufacturer string index */ | ||
117 | USB_CFG_DESCR_PROPS_STRING_PRODUCT != 0 ? 2 : 0, /* product string index */ | ||
118 | USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER != 0 ? 3 : 0, /* serial number string index */ | ||
119 | 1, /* number of configurations */ | ||
120 | }; | ||
121 | #endif | ||
122 | |||
123 | /* ----------------------- Configuration Descriptor ------------------------ */ | ||
124 | |||
125 | #if USB_CFG_DESCR_PROPS_HID_REPORT != 0 && USB_CFG_DESCR_PROPS_HID == 0 | ||
126 | # undef USB_CFG_DESCR_PROPS_HID | ||
127 | # define USB_CFG_DESCR_PROPS_HID 9 /* length of HID descriptor in config descriptor below */ | ||
128 | #endif | ||
129 | |||
130 | #if USB_CFG_DESCR_PROPS_CONFIGURATION == 0 | ||
131 | # undef USB_CFG_DESCR_PROPS_CONFIGURATION | ||
132 | # define USB_CFG_DESCR_PROPS_CONFIGURATION sizeof(usbDescriptorConfiguration) | ||
133 | PROGMEM char usbDescriptorConfiguration[] = { | ||
134 | /* USB configuration descriptor */ | ||
135 | 9, /* sizeof(usbDescriptorConfiguration): length of descriptor in bytes */ | ||
136 | USBDESCR_CONFIG, /* descriptor type */ | ||
137 | 18 + 7 * USB_CFG_HAVE_INTRIN_ENDPOINT + 7 * USB_CFG_HAVE_INTRIN_ENDPOINT3 + (USB_CFG_DESCR_PROPS_HID & 0xff), 0, | ||
138 | /* total length of data returned (including inlined descriptors) */ | ||
139 | 1, /* number of interfaces in this configuration */ | ||
140 | 1, /* index of this configuration */ | ||
141 | 0, /* configuration name string index */ | ||
142 | # if USB_CFG_IS_SELF_POWERED | ||
143 | (1 << 7) | USBATTR_SELFPOWER, /* attributes */ | ||
144 | # else | ||
145 | (1 << 7), /* attributes */ | ||
146 | # endif | ||
147 | USB_CFG_MAX_BUS_POWER / 2, /* max USB current in 2mA units */ | ||
148 | /* interface descriptor follows inline: */ | ||
149 | 9, /* sizeof(usbDescrInterface): length of descriptor in bytes */ | ||
150 | USBDESCR_INTERFACE, /* descriptor type */ | ||
151 | 0, /* index of this interface */ | ||
152 | 0, /* alternate setting for this interface */ | ||
153 | USB_CFG_HAVE_INTRIN_ENDPOINT + USB_CFG_HAVE_INTRIN_ENDPOINT3, /* endpoints excl 0: number of endpoint descriptors to follow */ | ||
154 | USB_CFG_INTERFACE_CLASS, USB_CFG_INTERFACE_SUBCLASS, USB_CFG_INTERFACE_PROTOCOL, 0, /* string index for interface */ | ||
155 | # if (USB_CFG_DESCR_PROPS_HID & 0xff) /* HID descriptor */ | ||
156 | 9, /* sizeof(usbDescrHID): length of descriptor in bytes */ | ||
157 | USBDESCR_HID, /* descriptor type: HID */ | ||
158 | 0x01, 0x01, /* BCD representation of HID version */ | ||
159 | 0x00, /* target country code */ | ||
160 | 0x01, /* number of HID Report (or other HID class) Descriptor infos to follow */ | ||
161 | 0x22, /* descriptor type: report */ | ||
162 | USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH, 0, /* total length of report descriptor */ | ||
163 | # endif | ||
164 | # if USB_CFG_HAVE_INTRIN_ENDPOINT /* endpoint descriptor for endpoint 1 */ | ||
165 | 7, /* sizeof(usbDescrEndpoint) */ | ||
166 | USBDESCR_ENDPOINT, /* descriptor type = endpoint */ | ||
167 | (char)0x81, /* IN endpoint number 1 */ | ||
168 | 0x03, /* attrib: Interrupt endpoint */ | ||
169 | 8, 0, /* maximum packet size */ | ||
170 | USB_CFG_INTR_POLL_INTERVAL, /* in ms */ | ||
171 | # endif | ||
172 | # if USB_CFG_HAVE_INTRIN_ENDPOINT3 /* endpoint descriptor for endpoint 3 */ | ||
173 | 7, /* sizeof(usbDescrEndpoint) */ | ||
174 | USBDESCR_ENDPOINT, /* descriptor type = endpoint */ | ||
175 | (char)(0x80 | USB_CFG_EP3_NUMBER), /* IN endpoint number 3 */ | ||
176 | 0x03, /* attrib: Interrupt endpoint */ | ||
177 | 8, 0, /* maximum packet size */ | ||
178 | USB_CFG_INTR_POLL_INTERVAL, /* in ms */ | ||
179 | # endif | ||
180 | }; | ||
181 | #endif | ||
182 | |||
183 | /* ------------------------------------------------------------------------- */ | ||
184 | |||
185 | static inline void usbResetDataToggling(void) { | ||
186 | #if USB_CFG_HAVE_INTRIN_ENDPOINT && !USB_CFG_SUPPRESS_INTR_CODE | ||
187 | USB_SET_DATATOKEN1(USB_INITIAL_DATATOKEN); /* reset data toggling for interrupt endpoint */ | ||
188 | # if USB_CFG_HAVE_INTRIN_ENDPOINT3 | ||
189 | USB_SET_DATATOKEN3(USB_INITIAL_DATATOKEN); /* reset data toggling for interrupt endpoint */ | ||
190 | # endif | ||
191 | #endif | ||
192 | } | ||
193 | |||
194 | static inline void usbResetStall(void) { | ||
195 | #if USB_CFG_IMPLEMENT_HALT && USB_CFG_HAVE_INTRIN_ENDPOINT | ||
196 | usbTxLen1 = USBPID_NAK; | ||
197 | # if USB_CFG_HAVE_INTRIN_ENDPOINT3 | ||
198 | usbTxLen3 = USBPID_NAK; | ||
199 | # endif | ||
200 | #endif | ||
201 | } | ||
202 | |||
203 | /* ------------------------------------------------------------------------- */ | ||
204 | |||
205 | #if !USB_CFG_SUPPRESS_INTR_CODE | ||
206 | # if USB_CFG_HAVE_INTRIN_ENDPOINT | ||
207 | static void usbGenericSetInterrupt(uchar *data, uchar len, usbTxStatus_t *txStatus) { | ||
208 | uchar *p; | ||
209 | char i; | ||
210 | |||
211 | # if USB_CFG_IMPLEMENT_HALT | ||
212 | if (usbTxLen1 == USBPID_STALL) return; | ||
213 | # endif | ||
214 | if (txStatus->len & 0x10) { /* packet buffer was empty */ | ||
215 | txStatus->buffer[0] ^= USBPID_DATA0 ^ USBPID_DATA1; /* toggle token */ | ||
216 | } else { | ||
217 | txStatus->len = USBPID_NAK; /* avoid sending outdated (overwritten) interrupt data */ | ||
218 | } | ||
219 | p = txStatus->buffer + 1; | ||
220 | i = len; | ||
221 | do { /* if len == 0, we still copy 1 byte, but that's no problem */ | ||
222 | *p++ = *data++; | ||
223 | } while (--i > 0); /* loop control at the end is 2 bytes shorter than at beginning */ | ||
224 | usbCrc16Append(&txStatus->buffer[1], len); | ||
225 | txStatus->len = len + 4; /* len must be given including sync byte */ | ||
226 | DBG2(0x21 + (((int)txStatus >> 3) & 3), txStatus->buffer, len + 3); | ||
227 | } | ||
228 | |||
229 | USB_PUBLIC void usbSetInterrupt(uchar *data, uchar len) { usbGenericSetInterrupt(data, len, &usbTxStatus1); } | ||
230 | # endif | ||
231 | |||
232 | # if USB_CFG_HAVE_INTRIN_ENDPOINT3 | ||
233 | USB_PUBLIC void usbSetInterrupt3(uchar *data, uchar len) { usbGenericSetInterrupt(data, len, &usbTxStatus3); } | ||
234 | # endif | ||
235 | #endif /* USB_CFG_SUPPRESS_INTR_CODE */ | ||
236 | |||
237 | /* ------------------ utilities for code following below ------------------- */ | ||
238 | |||
239 | /* Use defines for the switch statement so that we can choose between an | ||
240 | * if()else if() and a switch/case based implementation. switch() is more | ||
241 | * efficient for a LARGE set of sequential choices, if() is better in all other | ||
242 | * cases. | ||
243 | */ | ||
244 | #if USB_CFG_USE_SWITCH_STATEMENT | ||
245 | # define SWITCH_START(cmd) \ | ||
246 | switch (cmd) { \ | ||
247 | { | ||
248 | # define SWITCH_CASE(value) \ | ||
249 | } \ | ||
250 | break; \ | ||
251 | case (value): { | ||
252 | # define SWITCH_CASE2(v1, v2) \ | ||
253 | } \ | ||
254 | break; \ | ||
255 | case (v1): \ | ||
256 | case (v2): { | ||
257 | # define SWITCH_CASE3(v1, v2, v3) \ | ||
258 | } \ | ||
259 | break; \ | ||
260 | case (v1): \ | ||
261 | case (v2): \ | ||
262 | case (v3): { | ||
263 | # define SWITCH_DEFAULT \ | ||
264 | } \ | ||
265 | break; \ | ||
266 | default: { | ||
267 | # define SWITCH_END \ | ||
268 | } \ | ||
269 | } | ||
270 | #else | ||
271 | # define SWITCH_START(cmd) \ | ||
272 | { \ | ||
273 | uchar _cmd = cmd; \ | ||
274 | if (0) { | ||
275 | # define SWITCH_CASE(value) \ | ||
276 | } \ | ||
277 | else if (_cmd == (value)) { | ||
278 | # define SWITCH_CASE2(v1, v2) \ | ||
279 | } \ | ||
280 | else if (_cmd == (v1) || _cmd == (v2)) { | ||
281 | # define SWITCH_CASE3(v1, v2, v3) \ | ||
282 | } \ | ||
283 | else if (_cmd == (v1) || _cmd == (v2) || (_cmd == v3)) { | ||
284 | # define SWITCH_DEFAULT \ | ||
285 | } \ | ||
286 | else { | ||
287 | # define SWITCH_END \ | ||
288 | } \ | ||
289 | } | ||
290 | #endif | ||
291 | |||
292 | #ifndef USB_RX_USER_HOOK | ||
293 | # define USB_RX_USER_HOOK(data, len) | ||
294 | #endif | ||
295 | #ifndef USB_SET_ADDRESS_HOOK | ||
296 | # define USB_SET_ADDRESS_HOOK() | ||
297 | #endif | ||
298 | |||
299 | /* ------------------------------------------------------------------------- */ | ||
300 | |||
301 | /* We use if() instead of #if in the macro below because #if can't be used | ||
302 | * in macros and the compiler optimizes constant conditions anyway. | ||
303 | * This may cause problems with undefined symbols if compiled without | ||
304 | * optimizing! | ||
305 | */ | ||
306 | #define GET_DESCRIPTOR(cfgProp, staticName) \ | ||
307 | if (cfgProp) { \ | ||
308 | if ((cfgProp)&USB_PROP_IS_RAM) flags = 0; \ | ||
309 | if ((cfgProp)&USB_PROP_IS_DYNAMIC) { \ | ||
310 | len = usbFunctionDescriptor(rq); \ | ||
311 | } else { \ | ||
312 | len = USB_PROP_LENGTH(cfgProp); \ | ||
313 | usbMsgPtr = (uchar *)(staticName); \ | ||
314 | } \ | ||
315 | } | ||
316 | |||
317 | /* usbDriverDescriptor() is similar to usbFunctionDescriptor(), but used | ||
318 | * internally for all types of descriptors. | ||
319 | */ | ||
320 | static inline usbMsgLen_t usbDriverDescriptor(usbRequest_t *rq) { | ||
321 | usbMsgLen_t len = 0; | ||
322 | uchar flags = USB_FLG_MSGPTR_IS_ROM; | ||
323 | |||
324 | SWITCH_START(rq->wValue.bytes[1]) | ||
325 | SWITCH_CASE(USBDESCR_DEVICE) /* 1 */ | ||
326 | GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_DEVICE, usbDescriptorDevice) | ||
327 | SWITCH_CASE(USBDESCR_CONFIG) /* 2 */ | ||
328 | GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_CONFIGURATION, usbDescriptorConfiguration) | ||
329 | SWITCH_CASE(USBDESCR_STRING) /* 3 */ | ||
330 | #if USB_CFG_DESCR_PROPS_STRINGS & USB_PROP_IS_DYNAMIC | ||
331 | if (USB_CFG_DESCR_PROPS_STRINGS & USB_PROP_IS_RAM) flags = 0; | ||
332 | len = usbFunctionDescriptor(rq); | ||
333 | #else /* USB_CFG_DESCR_PROPS_STRINGS & USB_PROP_IS_DYNAMIC */ | ||
334 | SWITCH_START(rq->wValue.bytes[0]) | ||
335 | SWITCH_CASE(0) | ||
336 | GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_STRING_0, usbDescriptorString0) | ||
337 | SWITCH_CASE(1) | ||
338 | GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_STRING_VENDOR, usbDescriptorStringVendor) | ||
339 | SWITCH_CASE(2) | ||
340 | GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_STRING_PRODUCT, usbDescriptorStringDevice) | ||
341 | SWITCH_CASE(3) | ||
342 | GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER, usbDescriptorStringSerialNumber) | ||
343 | SWITCH_DEFAULT | ||
344 | if (USB_CFG_DESCR_PROPS_UNKNOWN & USB_PROP_IS_DYNAMIC) { | ||
345 | len = usbFunctionDescriptor(rq); | ||
346 | } | ||
347 | SWITCH_END | ||
348 | #endif /* USB_CFG_DESCR_PROPS_STRINGS & USB_PROP_IS_DYNAMIC */ | ||
349 | #if USB_CFG_DESCR_PROPS_HID_REPORT /* only support HID descriptors if enabled */ | ||
350 | SWITCH_CASE(USBDESCR_HID) /* 0x21 */ | ||
351 | GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_HID, usbDescriptorConfiguration + 18) | ||
352 | SWITCH_CASE(USBDESCR_HID_REPORT) /* 0x22 */ | ||
353 | GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_HID_REPORT, usbDescriptorHidReport) | ||
354 | #endif | ||
355 | SWITCH_DEFAULT | ||
356 | if (USB_CFG_DESCR_PROPS_UNKNOWN & USB_PROP_IS_DYNAMIC) { | ||
357 | len = usbFunctionDescriptor(rq); | ||
358 | } | ||
359 | SWITCH_END | ||
360 | usbMsgFlags = flags; | ||
361 | return len; | ||
362 | } | ||
363 | |||
364 | /* ------------------------------------------------------------------------- */ | ||
365 | |||
366 | /* usbDriverSetup() is similar to usbFunctionSetup(), but it's used for | ||
367 | * standard requests instead of class and custom requests. | ||
368 | */ | ||
369 | static inline usbMsgLen_t usbDriverSetup(usbRequest_t *rq) { | ||
370 | uchar len = 0, *dataPtr = usbTxBuf + 9; /* there are 2 bytes free space at the end of the buffer */ | ||
371 | uchar value = rq->wValue.bytes[0]; | ||
372 | #if USB_CFG_IMPLEMENT_HALT | ||
373 | uchar index = rq->wIndex.bytes[0]; | ||
374 | #endif | ||
375 | |||
376 | dataPtr[0] = 0; /* default reply common to USBRQ_GET_STATUS and USBRQ_GET_INTERFACE */ | ||
377 | SWITCH_START(rq->bRequest) | ||
378 | SWITCH_CASE(USBRQ_GET_STATUS) /* 0 */ | ||
379 | uchar recipient = rq->bmRequestType & USBRQ_RCPT_MASK; /* assign arith ops to variables to enforce byte size */ | ||
380 | if (USB_CFG_IS_SELF_POWERED && recipient == USBRQ_RCPT_DEVICE) dataPtr[0] = USB_CFG_IS_SELF_POWERED; | ||
381 | #if USB_CFG_IMPLEMENT_HALT | ||
382 | if (recipient == USBRQ_RCPT_ENDPOINT && index == 0x81) /* request status for endpoint 1 */ | ||
383 | dataPtr[0] = usbTxLen1 == USBPID_STALL; | ||
384 | #endif | ||
385 | dataPtr[1] = 0; | ||
386 | len = 2; | ||
387 | #if USB_CFG_IMPLEMENT_HALT | ||
388 | SWITCH_CASE2(USBRQ_CLEAR_FEATURE, USBRQ_SET_FEATURE) /* 1, 3 */ | ||
389 | if (value == 0 && index == 0x81) { /* feature 0 == HALT for endpoint == 1 */ | ||
390 | usbTxLen1 = rq->bRequest == USBRQ_CLEAR_FEATURE ? USBPID_NAK : USBPID_STALL; | ||
391 | usbResetDataToggling(); | ||
392 | } | ||
393 | #endif | ||
394 | SWITCH_CASE(USBRQ_SET_ADDRESS) /* 5 */ | ||
395 | usbNewDeviceAddr = value; | ||
396 | USB_SET_ADDRESS_HOOK(); | ||
397 | SWITCH_CASE(USBRQ_GET_DESCRIPTOR) /* 6 */ | ||
398 | len = usbDriverDescriptor(rq); | ||
399 | goto skipMsgPtrAssignment; | ||
400 | SWITCH_CASE(USBRQ_GET_CONFIGURATION) /* 8 */ | ||
401 | dataPtr = &usbConfiguration; /* send current configuration value */ | ||
402 | len = 1; | ||
403 | SWITCH_CASE(USBRQ_SET_CONFIGURATION) /* 9 */ | ||
404 | usbConfiguration = value; | ||
405 | usbResetStall(); | ||
406 | SWITCH_CASE(USBRQ_GET_INTERFACE) /* 10 */ | ||
407 | len = 1; | ||
408 | #if USB_CFG_HAVE_INTRIN_ENDPOINT && !USB_CFG_SUPPRESS_INTR_CODE | ||
409 | SWITCH_CASE(USBRQ_SET_INTERFACE) /* 11 */ | ||
410 | usbResetDataToggling(); | ||
411 | usbResetStall(); | ||
412 | #endif | ||
413 | SWITCH_DEFAULT /* 7=SET_DESCRIPTOR, 12=SYNC_FRAME */ | ||
414 | /* Should we add an optional hook here? */ | ||
415 | SWITCH_END usbMsgPtr = dataPtr; | ||
416 | skipMsgPtrAssignment: | ||
417 | return len; | ||
418 | } | ||
419 | |||
420 | /* ------------------------------------------------------------------------- */ | ||
421 | |||
422 | /* usbProcessRx() is called for every message received by the interrupt | ||
423 | * routine. It distinguishes between SETUP and DATA packets and processes | ||
424 | * them accordingly. | ||
425 | */ | ||
426 | static inline void usbProcessRx(uchar *data, uchar len) { | ||
427 | usbRequest_t *rq = (void *)data; | ||
428 | |||
429 | /* usbRxToken can be: | ||
430 | * 0x2d 00101101 (USBPID_SETUP for setup data) | ||
431 | * 0xe1 11100001 (USBPID_OUT: data phase of setup transfer) | ||
432 | * 0...0x0f for OUT on endpoint X | ||
433 | */ | ||
434 | DBG2(0x10 + (usbRxToken & 0xf), data, len + 2); /* SETUP=1d, SETUP-DATA=11, OUTx=1x */ | ||
435 | USB_RX_USER_HOOK(data, len) | ||
436 | #if USB_CFG_IMPLEMENT_FN_WRITEOUT | ||
437 | if (usbRxToken < 0x10) { /* OUT to endpoint != 0: endpoint number in usbRxToken */ | ||
438 | usbFunctionWriteOut(data, len); | ||
439 | return; | ||
440 | } | ||
441 | #endif | ||
442 | if (usbRxToken == (uchar)USBPID_SETUP) { | ||
443 | if (len != 8) /* Setup size must be always 8 bytes. Ignore otherwise. */ | ||
444 | return; | ||
445 | usbMsgLen_t replyLen; | ||
446 | usbTxBuf[0] = USBPID_DATA0; /* initialize data toggling */ | ||
447 | usbTxLen = USBPID_NAK; /* abort pending transmit */ | ||
448 | usbMsgFlags = 0; | ||
449 | uchar type = rq->bmRequestType & USBRQ_TYPE_MASK; | ||
450 | if (type != USBRQ_TYPE_STANDARD) { /* standard requests are handled by driver */ | ||
451 | replyLen = usbFunctionSetup(data); | ||
452 | } else { | ||
453 | replyLen = usbDriverSetup(rq); | ||
454 | } | ||
455 | #if USB_CFG_IMPLEMENT_FN_READ || USB_CFG_IMPLEMENT_FN_WRITE | ||
456 | if (replyLen == USB_NO_MSG) { /* use user-supplied read/write function */ | ||
457 | /* do some conditioning on replyLen, but on IN transfers only */ | ||
458 | if ((rq->bmRequestType & USBRQ_DIR_MASK) != USBRQ_DIR_HOST_TO_DEVICE) { | ||
459 | if (sizeof(replyLen) < sizeof(rq->wLength.word)) { /* help compiler with optimizing */ | ||
460 | replyLen = rq->wLength.bytes[0]; | ||
461 | } else { | ||
462 | replyLen = rq->wLength.word; | ||
463 | } | ||
464 | } | ||
465 | usbMsgFlags = USB_FLG_USE_USER_RW; | ||
466 | } else /* The 'else' prevents that we limit a replyLen of USB_NO_MSG to the maximum transfer len. */ | ||
467 | #endif | ||
468 | if (sizeof(replyLen) < sizeof(rq->wLength.word)) { /* help compiler with optimizing */ | ||
469 | if (!rq->wLength.bytes[1] && replyLen > rq->wLength.bytes[0]) /* limit length to max */ | ||
470 | replyLen = rq->wLength.bytes[0]; | ||
471 | } else { | ||
472 | if (replyLen > rq->wLength.word) /* limit length to max */ | ||
473 | replyLen = rq->wLength.word; | ||
474 | } | ||
475 | usbMsgLen = replyLen; | ||
476 | } else { /* usbRxToken must be USBPID_OUT, which means data phase of setup (control-out) */ | ||
477 | #if USB_CFG_IMPLEMENT_FN_WRITE | ||
478 | if (usbMsgFlags & USB_FLG_USE_USER_RW) { | ||
479 | uchar rval = usbFunctionWrite(data, len); | ||
480 | if (rval == 0xff) { /* an error occurred */ | ||
481 | usbTxLen = USBPID_STALL; | ||
482 | } else if (rval != 0) { /* This was the final package */ | ||
483 | usbMsgLen = 0; /* answer with a zero-sized data packet */ | ||
484 | } | ||
485 | } | ||
486 | #endif | ||
487 | } | ||
488 | } | ||
489 | |||
490 | /* ------------------------------------------------------------------------- */ | ||
491 | |||
492 | /* This function is similar to usbFunctionRead(), but it's also called for | ||
493 | * data handled automatically by the driver (e.g. descriptor reads). | ||
494 | */ | ||
495 | static uchar usbDeviceRead(uchar *data, uchar len) { | ||
496 | if (len > 0) { /* don't bother app with 0 sized reads */ | ||
497 | #if USB_CFG_IMPLEMENT_FN_READ | ||
498 | if (usbMsgFlags & USB_FLG_USE_USER_RW) { | ||
499 | len = usbFunctionRead(data, len); | ||
500 | } else | ||
501 | #endif | ||
502 | { | ||
503 | uchar i = len, *r = usbMsgPtr; | ||
504 | if (usbMsgFlags & USB_FLG_MSGPTR_IS_ROM) { /* ROM data */ | ||
505 | do { | ||
506 | uchar c = USB_READ_FLASH(r); /* assign to char size variable to enforce byte ops */ | ||
507 | *data++ = c; | ||
508 | r++; | ||
509 | } while (--i); | ||
510 | } else { /* RAM data */ | ||
511 | do { | ||
512 | *data++ = *r++; | ||
513 | } while (--i); | ||
514 | } | ||
515 | usbMsgPtr = r; | ||
516 | } | ||
517 | } | ||
518 | return len; | ||
519 | } | ||
520 | |||
521 | /* ------------------------------------------------------------------------- */ | ||
522 | |||
523 | /* usbBuildTxBlock() is called when we have data to transmit and the | ||
524 | * interrupt routine's transmit buffer is empty. | ||
525 | */ | ||
526 | static inline void usbBuildTxBlock(void) { | ||
527 | usbMsgLen_t wantLen; | ||
528 | uchar len; | ||
529 | |||
530 | wantLen = usbMsgLen; | ||
531 | if (wantLen > 8) wantLen = 8; | ||
532 | usbMsgLen -= wantLen; | ||
533 | usbTxBuf[0] ^= USBPID_DATA0 ^ USBPID_DATA1; /* DATA toggling */ | ||
534 | len = usbDeviceRead(usbTxBuf + 1, wantLen); | ||
535 | if (len <= 8) { /* valid data packet */ | ||
536 | usbCrc16Append(&usbTxBuf[1], len); | ||
537 | len += 4; /* length including sync byte */ | ||
538 | if (len < 12) /* a partial package identifies end of message */ | ||
539 | usbMsgLen = USB_NO_MSG; | ||
540 | } else { | ||
541 | len = USBPID_STALL; /* stall the endpoint */ | ||
542 | usbMsgLen = USB_NO_MSG; | ||
543 | } | ||
544 | usbTxLen = len; | ||
545 | DBG2(0x20, usbTxBuf, len - 1); | ||
546 | } | ||
547 | |||
548 | /* ------------------------------------------------------------------------- */ | ||
549 | |||
550 | static inline void usbHandleResetHook(uchar notResetState) { | ||
551 | #ifdef USB_RESET_HOOK | ||
552 | static uchar wasReset; | ||
553 | uchar isReset = !notResetState; | ||
554 | |||
555 | if (wasReset != isReset) { | ||
556 | USB_RESET_HOOK(isReset); | ||
557 | wasReset = isReset; | ||
558 | } | ||
559 | #endif | ||
560 | } | ||
561 | |||
562 | /* ------------------------------------------------------------------------- */ | ||
563 | |||
564 | USB_PUBLIC void usbPoll(void) { | ||
565 | schar len; | ||
566 | uchar i; | ||
567 | |||
568 | len = usbRxLen - 3; | ||
569 | if (len >= 0) { | ||
570 | /* We could check CRC16 here -- but ACK has already been sent anyway. If you | ||
571 | * need data integrity checks with this driver, check the CRC in your app | ||
572 | * code and report errors back to the host. Since the ACK was already sent, | ||
573 | * retries must be handled on application level. | ||
574 | * unsigned crc = usbCrc16(buffer + 1, usbRxLen - 3); | ||
575 | */ | ||
576 | usbProcessRx(usbRxBuf + USB_BUFSIZE + 1 - usbInputBufOffset, len); | ||
577 | #if USB_CFG_HAVE_FLOWCONTROL | ||
578 | if (usbRxLen > 0) /* only mark as available if not inactivated */ | ||
579 | usbRxLen = 0; | ||
580 | #else | ||
581 | usbRxLen = 0; /* mark rx buffer as available */ | ||
582 | #endif | ||
583 | } | ||
584 | if (usbTxLen & 0x10) { /* transmit system idle */ | ||
585 | if (usbMsgLen != USB_NO_MSG) { /* transmit data pending? */ | ||
586 | usbBuildTxBlock(); | ||
587 | } | ||
588 | } | ||
589 | for (i = 20; i > 0; i--) { | ||
590 | uchar usbLineStatus = USBIN & USBMASK; | ||
591 | if (usbLineStatus != 0) /* SE0 has ended */ | ||
592 | goto isNotReset; | ||
593 | } | ||
594 | /* RESET condition, called multiple times during reset */ | ||
595 | usbNewDeviceAddr = 0; | ||
596 | usbDeviceAddr = 0; | ||
597 | usbResetStall(); | ||
598 | DBG1(0xff, 0, 0); | ||
599 | isNotReset: | ||
600 | usbHandleResetHook(i); | ||
601 | } | ||
602 | |||
603 | /* ------------------------------------------------------------------------- */ | ||
604 | |||
605 | USB_PUBLIC void usbInit(void) { | ||
606 | #if USB_INTR_CFG_SET != 0 | ||
607 | USB_INTR_CFG |= USB_INTR_CFG_SET; | ||
608 | #endif | ||
609 | #if USB_INTR_CFG_CLR != 0 | ||
610 | USB_INTR_CFG &= ~(USB_INTR_CFG_CLR); | ||
611 | #endif | ||
612 | USB_INTR_ENABLE |= (1 << USB_INTR_ENABLE_BIT); | ||
613 | usbResetDataToggling(); | ||
614 | #if USB_CFG_HAVE_INTRIN_ENDPOINT && !USB_CFG_SUPPRESS_INTR_CODE | ||
615 | usbTxLen1 = USBPID_NAK; | ||
616 | # if USB_CFG_HAVE_INTRIN_ENDPOINT3 | ||
617 | usbTxLen3 = USBPID_NAK; | ||
618 | # endif | ||
619 | #endif | ||
620 | } | ||
621 | |||
622 | /* ------------------------------------------------------------------------- */ | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/usbdrv.h b/tmk_core/protocol/vusb/usbdrv/usbdrv.h deleted file mode 100644 index 88a1bce76..000000000 --- a/tmk_core/protocol/vusb/usbdrv/usbdrv.h +++ /dev/null | |||
@@ -1,730 +0,0 @@ | |||
1 | /* Name: usbdrv.h | ||
2 | * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers | ||
3 | * Author: Christian Starkjohann | ||
4 | * Creation Date: 2004-12-29 | ||
5 | * Tabsize: 4 | ||
6 | * Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH | ||
7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
8 | * This Revision: $Id: usbdrv.h 793 2010-07-15 15:58:11Z cs $ | ||
9 | */ | ||
10 | |||
11 | #ifndef __usbdrv_h_included__ | ||
12 | #define __usbdrv_h_included__ | ||
13 | #include "usbconfig.h" | ||
14 | #include "usbportability.h" | ||
15 | |||
16 | /* | ||
17 | Hardware Prerequisites: | ||
18 | ======================= | ||
19 | USB lines D+ and D- MUST be wired to the same I/O port. We recommend that D+ | ||
20 | triggers the interrupt (best achieved by using INT0 for D+), but it is also | ||
21 | possible to trigger the interrupt from D-. If D- is used, interrupts are also | ||
22 | triggered by SOF packets. D- requires a pull-up of 1.5k to +3.5V (and the | ||
23 | device must be powered at 3.5V) to identify as low-speed USB device. A | ||
24 | pull-down or pull-up of 1M SHOULD be connected from D+ to +3.5V to prevent | ||
25 | interference when no USB master is connected. If you use Zener diodes to limit | ||
26 | the voltage on D+ and D-, you MUST use a pull-down resistor, not a pull-up. | ||
27 | We use D+ as interrupt source and not D- because it does not trigger on | ||
28 | keep-alive and RESET states. If you want to count keep-alive events with | ||
29 | USB_COUNT_SOF, you MUST use D- as an interrupt source. | ||
30 | |||
31 | As a compile time option, the 1.5k pull-up resistor on D- can be made | ||
32 | switchable to allow the device to disconnect at will. See the definition of | ||
33 | usbDeviceConnect() and usbDeviceDisconnect() further down in this file. | ||
34 | |||
35 | Please adapt the values in usbconfig.h according to your hardware! | ||
36 | |||
37 | The device MUST be clocked at exactly 12 MHz, 15 MHz, 16 MHz or 20 MHz | ||
38 | or at 12.8 MHz resp. 16.5 MHz +/- 1%. See usbconfig-prototype.h for details. | ||
39 | |||
40 | |||
41 | Limitations: | ||
42 | ============ | ||
43 | Robustness with respect to communication errors: | ||
44 | The driver assumes error-free communication. It DOES check for errors in | ||
45 | the PID, but does NOT check bit stuffing errors, SE0 in middle of a byte, | ||
46 | token CRC (5 bit) and data CRC (16 bit). CRC checks can not be performed due | ||
47 | to timing constraints: We must start sending a reply within 7 bit times. | ||
48 | Bit stuffing and misplaced SE0 would have to be checked in real-time, but CPU | ||
49 | performance does not permit that. The driver does not check Data0/Data1 | ||
50 | toggling, but application software can implement the check. | ||
51 | |||
52 | Input characteristics: | ||
53 | Since no differential receiver circuit is used, electrical interference | ||
54 | robustness may suffer. The driver samples only one of the data lines with | ||
55 | an ordinary I/O pin's input characteristics. However, since this is only a | ||
56 | low speed USB implementation and the specification allows for 8 times the | ||
57 | bit rate over the same hardware, we should be on the safe side. Even the spec | ||
58 | requires detection of asymmetric states at high bit rate for SE0 detection. | ||
59 | |||
60 | Number of endpoints: | ||
61 | The driver supports the following endpoints: | ||
62 | |||
63 | - Endpoint 0, the default control endpoint. | ||
64 | - Any number of interrupt- or bulk-out endpoints. The data is sent to | ||
65 | usbFunctionWriteOut() and USB_CFG_IMPLEMENT_FN_WRITEOUT must be defined | ||
66 | to 1 to activate this feature. The endpoint number can be found in the | ||
67 | global variable 'usbRxToken'. | ||
68 | - One default interrupt- or bulk-in endpoint. This endpoint is used for | ||
69 | interrupt- or bulk-in transfers which are not handled by any other endpoint. | ||
70 | You must define USB_CFG_HAVE_INTRIN_ENDPOINT in order to activate this | ||
71 | feature and call usbSetInterrupt() to send interrupt/bulk data. | ||
72 | - One additional interrupt- or bulk-in endpoint. This was endpoint 3 in | ||
73 | previous versions of this driver but can now be configured to any endpoint | ||
74 | number. You must define USB_CFG_HAVE_INTRIN_ENDPOINT3 in order to activate | ||
75 | this feature and call usbSetInterrupt3() to send interrupt/bulk data. The | ||
76 | endpoint number can be set with USB_CFG_EP3_NUMBER. | ||
77 | |||
78 | Please note that the USB standard forbids bulk endpoints for low speed devices! | ||
79 | Most operating systems allow them anyway, but the AVR will spend 90% of the CPU | ||
80 | time in the USB interrupt polling for bulk data. | ||
81 | |||
82 | Maximum data payload: | ||
83 | Data payload of control in and out transfers may be up to 254 bytes. In order | ||
84 | to accept payload data of out transfers, you need to implement | ||
85 | 'usbFunctionWrite()'. | ||
86 | |||
87 | USB Suspend Mode supply current: | ||
88 | The USB standard limits power consumption to 500uA when the bus is in suspend | ||
89 | mode. This is not a problem for self-powered devices since they don't need | ||
90 | bus power anyway. Bus-powered devices can achieve this only by putting the | ||
91 | CPU in sleep mode. The driver does not implement suspend handling by itself. | ||
92 | However, the application may implement activity monitoring and wakeup from | ||
93 | sleep. The host sends regular SE0 states on the bus to keep it active. These | ||
94 | SE0 states can be detected by using D- as the interrupt source. Define | ||
95 | USB_COUNT_SOF to 1 and use the global variable usbSofCount to check for bus | ||
96 | activity. | ||
97 | |||
98 | Operation without an USB master: | ||
99 | The driver behaves neutral without connection to an USB master if D- reads | ||
100 | as 1. To avoid spurious interrupts, we recommend a high impedance (e.g. 1M) | ||
101 | pull-down or pull-up resistor on D+ (interrupt). If Zener diodes are used, | ||
102 | use a pull-down. If D- becomes statically 0, the driver may block in the | ||
103 | interrupt routine. | ||
104 | |||
105 | Interrupt latency: | ||
106 | The application must ensure that the USB interrupt is not disabled for more | ||
107 | than 25 cycles (this is for 12 MHz, faster clocks allow longer latency). | ||
108 | This implies that all interrupt routines must either have the "ISR_NOBLOCK" | ||
109 | attribute set (see "avr/interrupt.h") or be written in assembler with "sei" | ||
110 | as the first instruction. | ||
111 | |||
112 | Maximum interrupt duration / CPU cycle consumption: | ||
113 | The driver handles all USB communication during the interrupt service | ||
114 | routine. The routine will not return before an entire USB message is received | ||
115 | and the reply is sent. This may be up to ca. 1200 cycles @ 12 MHz (= 100us) if | ||
116 | the host conforms to the standard. The driver will consume CPU cycles for all | ||
117 | USB messages, even if they address another (low-speed) device on the same bus. | ||
118 | |||
119 | */ | ||
120 | |||
121 | /* ------------------------------------------------------------------------- */ | ||
122 | /* --------------------------- Module Interface ---------------------------- */ | ||
123 | /* ------------------------------------------------------------------------- */ | ||
124 | |||
125 | #define USBDRV_VERSION 20100715 | ||
126 | /* This define uniquely identifies a driver version. It is a decimal number | ||
127 | * constructed from the driver's release date in the form YYYYMMDD. If the | ||
128 | * driver's behavior or interface changes, you can use this constant to | ||
129 | * distinguish versions. If it is not defined, the driver's release date is | ||
130 | * older than 2006-01-25. | ||
131 | */ | ||
132 | |||
133 | #ifndef USB_PUBLIC | ||
134 | # define USB_PUBLIC | ||
135 | #endif | ||
136 | /* USB_PUBLIC is used as declaration attribute for all functions exported by | ||
137 | * the USB driver. The default is no attribute (see above). You may define it | ||
138 | * to static either in usbconfig.h or from the command line if you include | ||
139 | * usbdrv.c instead of linking against it. Including the C module of the driver | ||
140 | * directly in your code saves a couple of bytes in flash memory. | ||
141 | */ | ||
142 | |||
143 | #ifndef __ASSEMBLER__ | ||
144 | # ifndef uchar | ||
145 | # define uchar unsigned char | ||
146 | # endif | ||
147 | # ifndef schar | ||
148 | # define schar signed char | ||
149 | # endif | ||
150 | /* shortcuts for well defined 8 bit integer types */ | ||
151 | |||
152 | # if USB_CFG_LONG_TRANSFERS /* if more than 254 bytes transfer size required */ | ||
153 | # define usbMsgLen_t unsigned | ||
154 | # else | ||
155 | # define usbMsgLen_t uchar | ||
156 | # endif | ||
157 | /* usbMsgLen_t is the data type used for transfer lengths. By default, it is | ||
158 | * defined to uchar, allowing a maximum of 254 bytes (255 is reserved for | ||
159 | * USB_NO_MSG below). If the usbconfig.h defines USB_CFG_LONG_TRANSFERS to 1, | ||
160 | * a 16 bit data type is used, allowing up to 16384 bytes (the rest is used | ||
161 | * for flags in the descriptor configuration). | ||
162 | */ | ||
163 | # define USB_NO_MSG ((usbMsgLen_t)-1) /* constant meaning "no message" */ | ||
164 | |||
165 | struct usbRequest; /* forward declaration */ | ||
166 | |||
167 | USB_PUBLIC void usbInit(void); | ||
168 | /* This function must be called before interrupts are enabled and the main | ||
169 | * loop is entered. We exepct that the PORT and DDR bits for D+ and D- have | ||
170 | * not been changed from their default status (which is 0). If you have changed | ||
171 | * them, set both back to 0 (configure them as input with no internal pull-up). | ||
172 | */ | ||
173 | USB_PUBLIC void usbPoll(void); | ||
174 | /* This function must be called at regular intervals from the main loop. | ||
175 | * Maximum delay between calls is somewhat less than 50ms (USB timeout for | ||
176 | * accepting a Setup message). Otherwise the device will not be recognized. | ||
177 | * Please note that debug outputs through the UART take ~ 0.5ms per byte | ||
178 | * at 19200 bps. | ||
179 | */ | ||
180 | extern uchar *usbMsgPtr; | ||
181 | /* This variable may be used to pass transmit data to the driver from the | ||
182 | * implementation of usbFunctionWrite(). It is also used internally by the | ||
183 | * driver for standard control requests. | ||
184 | */ | ||
185 | USB_PUBLIC usbMsgLen_t usbFunctionSetup(uchar data[8]); | ||
186 | /* This function is called when the driver receives a SETUP transaction from | ||
187 | * the host which is not answered by the driver itself (in practice: class and | ||
188 | * vendor requests). All control transfers start with a SETUP transaction where | ||
189 | * the host communicates the parameters of the following (optional) data | ||
190 | * transfer. The SETUP data is available in the 'data' parameter which can | ||
191 | * (and should) be casted to 'usbRequest_t *' for a more user-friendly access | ||
192 | * to parameters. | ||
193 | * | ||
194 | * If the SETUP indicates a control-in transfer, you should provide the | ||
195 | * requested data to the driver. There are two ways to transfer this data: | ||
196 | * (1) Set the global pointer 'usbMsgPtr' to the base of the static RAM data | ||
197 | * block and return the length of the data in 'usbFunctionSetup()'. The driver | ||
198 | * will handle the rest. Or (2) return USB_NO_MSG in 'usbFunctionSetup()'. The | ||
199 | * driver will then call 'usbFunctionRead()' when data is needed. See the | ||
200 | * documentation for usbFunctionRead() for details. | ||
201 | * | ||
202 | * If the SETUP indicates a control-out transfer, the only way to receive the | ||
203 | * data from the host is through the 'usbFunctionWrite()' call. If you | ||
204 | * implement this function, you must return USB_NO_MSG in 'usbFunctionSetup()' | ||
205 | * to indicate that 'usbFunctionWrite()' should be used. See the documentation | ||
206 | * of this function for more information. If you just want to ignore the data | ||
207 | * sent by the host, return 0 in 'usbFunctionSetup()'. | ||
208 | * | ||
209 | * Note that calls to the functions usbFunctionRead() and usbFunctionWrite() | ||
210 | * are only done if enabled by the configuration in usbconfig.h. | ||
211 | */ | ||
212 | USB_PUBLIC usbMsgLen_t usbFunctionDescriptor(struct usbRequest *rq); | ||
213 | /* You need to implement this function ONLY if you provide USB descriptors at | ||
214 | * runtime (which is an expert feature). It is very similar to | ||
215 | * usbFunctionSetup() above, but it is called only to request USB descriptor | ||
216 | * data. See the documentation of usbFunctionSetup() above for more info. | ||
217 | */ | ||
218 | # if USB_CFG_HAVE_INTRIN_ENDPOINT | ||
219 | USB_PUBLIC void usbSetInterrupt(uchar *data, uchar len); | ||
220 | /* This function sets the message which will be sent during the next interrupt | ||
221 | * IN transfer. The message is copied to an internal buffer and must not exceed | ||
222 | * a length of 8 bytes. The message may be 0 bytes long just to indicate the | ||
223 | * interrupt status to the host. | ||
224 | * If you need to transfer more bytes, use a control read after the interrupt. | ||
225 | */ | ||
226 | # define usbInterruptIsReady() (usbTxLen1 & 0x10) | ||
227 | /* This macro indicates whether the last interrupt message has already been | ||
228 | * sent. If you set a new interrupt message before the old was sent, the | ||
229 | * message already buffered will be lost. | ||
230 | */ | ||
231 | # if USB_CFG_HAVE_INTRIN_ENDPOINT3 | ||
232 | USB_PUBLIC void usbSetInterrupt3(uchar *data, uchar len); | ||
233 | # define usbInterruptIsReady3() (usbTxLen3 & 0x10) | ||
234 | /* Same as above for endpoint 3 */ | ||
235 | # endif | ||
236 | # endif /* USB_CFG_HAVE_INTRIN_ENDPOINT */ | ||
237 | # if USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH /* simplified interface for backward compatibility */ | ||
238 | # define usbHidReportDescriptor usbDescriptorHidReport | ||
239 | /* should be declared as: PROGMEM char usbHidReportDescriptor[]; */ | ||
240 | /* If you implement an HID device, you need to provide a report descriptor. | ||
241 | * The HID report descriptor syntax is a bit complex. If you understand how | ||
242 | * report descriptors are constructed, we recommend that you use the HID | ||
243 | * Descriptor Tool from usb.org, see http://www.usb.org/developers/hidpage/. | ||
244 | * Otherwise you should probably start with a working example. | ||
245 | */ | ||
246 | # endif /* USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH */ | ||
247 | # if USB_CFG_IMPLEMENT_FN_WRITE | ||
248 | USB_PUBLIC uchar usbFunctionWrite(uchar *data, uchar len); | ||
249 | /* This function is called by the driver to provide a control transfer's | ||
250 | * payload data (control-out). It is called in chunks of up to 8 bytes. The | ||
251 | * total count provided in the current control transfer can be obtained from | ||
252 | * the 'length' property in the setup data. If an error occurred during | ||
253 | * processing, return 0xff (== -1). The driver will answer the entire transfer | ||
254 | * with a STALL token in this case. If you have received the entire payload | ||
255 | * successfully, return 1. If you expect more data, return 0. If you don't | ||
256 | * know whether the host will send more data (you should know, the total is | ||
257 | * provided in the usbFunctionSetup() call!), return 1. | ||
258 | * NOTE: If you return 0xff for STALL, 'usbFunctionWrite()' may still be called | ||
259 | * for the remaining data. You must continue to return 0xff for STALL in these | ||
260 | * calls. | ||
261 | * In order to get usbFunctionWrite() called, define USB_CFG_IMPLEMENT_FN_WRITE | ||
262 | * to 1 in usbconfig.h and return 0xff in usbFunctionSetup().. | ||
263 | */ | ||
264 | # endif /* USB_CFG_IMPLEMENT_FN_WRITE */ | ||
265 | # if USB_CFG_IMPLEMENT_FN_READ | ||
266 | USB_PUBLIC uchar usbFunctionRead(uchar *data, uchar len); | ||
267 | /* This function is called by the driver to ask the application for a control | ||
268 | * transfer's payload data (control-in). It is called in chunks of up to 8 | ||
269 | * bytes each. You should copy the data to the location given by 'data' and | ||
270 | * return the actual number of bytes copied. If you return less than requested, | ||
271 | * the control-in transfer is terminated. If you return 0xff, the driver aborts | ||
272 | * the transfer with a STALL token. | ||
273 | * In order to get usbFunctionRead() called, define USB_CFG_IMPLEMENT_FN_READ | ||
274 | * to 1 in usbconfig.h and return 0xff in usbFunctionSetup().. | ||
275 | */ | ||
276 | # endif /* USB_CFG_IMPLEMENT_FN_READ */ | ||
277 | |||
278 | extern uchar usbRxToken; /* may be used in usbFunctionWriteOut() below */ | ||
279 | # if USB_CFG_IMPLEMENT_FN_WRITEOUT | ||
280 | USB_PUBLIC void usbFunctionWriteOut(uchar *data, uchar len); | ||
281 | /* This function is called by the driver when data is received on an interrupt- | ||
282 | * or bulk-out endpoint. The endpoint number can be found in the global | ||
283 | * variable usbRxToken. You must define USB_CFG_IMPLEMENT_FN_WRITEOUT to 1 in | ||
284 | * usbconfig.h to get this function called. | ||
285 | */ | ||
286 | # endif /* USB_CFG_IMPLEMENT_FN_WRITEOUT */ | ||
287 | # ifdef USB_CFG_PULLUP_IOPORTNAME | ||
288 | # define usbDeviceConnect() ((USB_PULLUP_DDR |= (1 << USB_CFG_PULLUP_BIT)), (USB_PULLUP_OUT |= (1 << USB_CFG_PULLUP_BIT))) | ||
289 | # define usbDeviceDisconnect() ((USB_PULLUP_DDR &= ~(1 << USB_CFG_PULLUP_BIT)), (USB_PULLUP_OUT &= ~(1 << USB_CFG_PULLUP_BIT))) | ||
290 | # else /* USB_CFG_PULLUP_IOPORTNAME */ | ||
291 | # define usbDeviceConnect() (USBDDR &= ~(1 << USBMINUS)) | ||
292 | # define usbDeviceDisconnect() (USBDDR |= (1 << USBMINUS)) | ||
293 | # endif /* USB_CFG_PULLUP_IOPORTNAME */ | ||
294 | /* The macros usbDeviceConnect() and usbDeviceDisconnect() (intended to look | ||
295 | * like a function) connect resp. disconnect the device from the host's USB. | ||
296 | * If the constants USB_CFG_PULLUP_IOPORT and USB_CFG_PULLUP_BIT are defined | ||
297 | * in usbconfig.h, a disconnect consists of removing the pull-up resisitor | ||
298 | * from D-, otherwise the disconnect is done by brute-force pulling D- to GND. | ||
299 | * This does not conform to the spec, but it works. | ||
300 | * Please note that the USB interrupt must be disabled while the device is | ||
301 | * in disconnected state, or the interrupt handler will hang! You can either | ||
302 | * turn off the USB interrupt selectively with | ||
303 | * USB_INTR_ENABLE &= ~(1 << USB_INTR_ENABLE_BIT) | ||
304 | * or use cli() to disable interrupts globally. | ||
305 | */ | ||
306 | extern unsigned usbCrc16(unsigned data, uchar len); | ||
307 | # define usbCrc16(data, len) usbCrc16((unsigned)(data), len) | ||
308 | /* This function calculates the binary complement of the data CRC used in | ||
309 | * USB data packets. The value is used to build raw transmit packets. | ||
310 | * You may want to use this function for data checksums or to verify received | ||
311 | * data. We enforce 16 bit calling conventions for compatibility with IAR's | ||
312 | * tiny memory model. | ||
313 | */ | ||
314 | extern unsigned usbCrc16Append(unsigned data, uchar len); | ||
315 | # define usbCrc16Append(data, len) usbCrc16Append((unsigned)(data), len) | ||
316 | /* This function is equivalent to usbCrc16() above, except that it appends | ||
317 | * the 2 bytes CRC (lowbyte first) in the 'data' buffer after reading 'len' | ||
318 | * bytes. | ||
319 | */ | ||
320 | # if USB_CFG_HAVE_MEASURE_FRAME_LENGTH | ||
321 | extern unsigned usbMeasureFrameLength(void); | ||
322 | /* This function MUST be called IMMEDIATELY AFTER USB reset and measures 1/7 of | ||
323 | * the number of CPU cycles during one USB frame minus one low speed bit | ||
324 | * length. In other words: return value = 1499 * (F_CPU / 10.5 MHz) | ||
325 | * Since this is a busy wait, you MUST disable all interrupts with cli() before | ||
326 | * calling this function. | ||
327 | * This can be used to calibrate the AVR's RC oscillator. | ||
328 | */ | ||
329 | # endif | ||
330 | extern uchar usbConfiguration; | ||
331 | /* This value contains the current configuration set by the host. The driver | ||
332 | * allows setting and querying of this variable with the USB SET_CONFIGURATION | ||
333 | * and GET_CONFIGURATION requests, but does not use it otherwise. | ||
334 | * You may want to reflect the "configured" status with a LED on the device or | ||
335 | * switch on high power parts of the circuit only if the device is configured. | ||
336 | */ | ||
337 | # if USB_COUNT_SOF | ||
338 | extern volatile uchar usbSofCount; | ||
339 | /* This variable is incremented on every SOF packet. It is only available if | ||
340 | * the macro USB_COUNT_SOF is defined to a value != 0. | ||
341 | */ | ||
342 | # endif | ||
343 | # if USB_CFG_CHECK_DATA_TOGGLING | ||
344 | extern uchar usbCurrentDataToken; | ||
345 | /* This variable can be checked in usbFunctionWrite() and usbFunctionWriteOut() | ||
346 | * to ignore duplicate packets. | ||
347 | */ | ||
348 | # endif | ||
349 | |||
350 | # define USB_STRING_DESCRIPTOR_HEADER(stringLength) ((2 * (stringLength) + 2) | (3 << 8)) | ||
351 | /* This macro builds a descriptor header for a string descriptor given the | ||
352 | * string's length. See usbdrv.c for an example how to use it. | ||
353 | */ | ||
354 | # if USB_CFG_HAVE_FLOWCONTROL | ||
355 | extern volatile schar usbRxLen; | ||
356 | # define usbDisableAllRequests() usbRxLen = -1 | ||
357 | /* Must be called from usbFunctionWrite(). This macro disables all data input | ||
358 | * from the USB interface. Requests from the host are answered with a NAK | ||
359 | * while they are disabled. | ||
360 | */ | ||
361 | # define usbEnableAllRequests() usbRxLen = 0 | ||
362 | /* May only be called if requests are disabled. This macro enables input from | ||
363 | * the USB interface after it has been disabled with usbDisableAllRequests(). | ||
364 | */ | ||
365 | # define usbAllRequestsAreDisabled() (usbRxLen < 0) | ||
366 | /* Use this macro to find out whether requests are disabled. It may be needed | ||
367 | * to ensure that usbEnableAllRequests() is never called when requests are | ||
368 | * enabled. | ||
369 | */ | ||
370 | # endif | ||
371 | |||
372 | # define USB_SET_DATATOKEN1(token) usbTxBuf1[0] = token | ||
373 | # define USB_SET_DATATOKEN3(token) usbTxBuf3[0] = token | ||
374 | /* These two macros can be used by application software to reset data toggling | ||
375 | * for interrupt-in endpoints 1 and 3. Since the token is toggled BEFORE | ||
376 | * sending data, you must set the opposite value of the token which should come | ||
377 | * first. | ||
378 | */ | ||
379 | |||
380 | #endif /* __ASSEMBLER__ */ | ||
381 | |||
382 | /* ------------------------------------------------------------------------- */ | ||
383 | /* ----------------- Definitions for Descriptor Properties ----------------- */ | ||
384 | /* ------------------------------------------------------------------------- */ | ||
385 | /* This is advanced stuff. See usbconfig-prototype.h for more information | ||
386 | * about the various methods to define USB descriptors. If you do nothing, | ||
387 | * the default descriptors will be used. | ||
388 | */ | ||
389 | #define USB_PROP_IS_DYNAMIC (1 << 14) | ||
390 | /* If this property is set for a descriptor, usbFunctionDescriptor() will be | ||
391 | * used to obtain the particular descriptor. Data directly returned via | ||
392 | * usbMsgPtr are FLASH data by default, combine (OR) with USB_PROP_IS_RAM to | ||
393 | * return RAM data. | ||
394 | */ | ||
395 | #define USB_PROP_IS_RAM (1 << 15) | ||
396 | /* If this property is set for a descriptor, the data is read from RAM | ||
397 | * memory instead of Flash. The property is used for all methods to provide | ||
398 | * external descriptors. | ||
399 | */ | ||
400 | #define USB_PROP_LENGTH(len) ((len)&0x3fff) | ||
401 | /* If a static external descriptor is used, this is the total length of the | ||
402 | * descriptor in bytes. | ||
403 | */ | ||
404 | |||
405 | /* all descriptors which may have properties: */ | ||
406 | #ifndef USB_CFG_DESCR_PROPS_DEVICE | ||
407 | # define USB_CFG_DESCR_PROPS_DEVICE 0 | ||
408 | #endif | ||
409 | #ifndef USB_CFG_DESCR_PROPS_CONFIGURATION | ||
410 | # define USB_CFG_DESCR_PROPS_CONFIGURATION 0 | ||
411 | #endif | ||
412 | #ifndef USB_CFG_DESCR_PROPS_STRINGS | ||
413 | # define USB_CFG_DESCR_PROPS_STRINGS 0 | ||
414 | #endif | ||
415 | #ifndef USB_CFG_DESCR_PROPS_STRING_0 | ||
416 | # define USB_CFG_DESCR_PROPS_STRING_0 0 | ||
417 | #endif | ||
418 | #ifndef USB_CFG_DESCR_PROPS_STRING_VENDOR | ||
419 | # define USB_CFG_DESCR_PROPS_STRING_VENDOR 0 | ||
420 | #endif | ||
421 | #ifndef USB_CFG_DESCR_PROPS_STRING_PRODUCT | ||
422 | # define USB_CFG_DESCR_PROPS_STRING_PRODUCT 0 | ||
423 | #endif | ||
424 | #ifndef USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER | ||
425 | # define USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER 0 | ||
426 | #endif | ||
427 | #ifndef USB_CFG_DESCR_PROPS_HID | ||
428 | # define USB_CFG_DESCR_PROPS_HID 0 | ||
429 | #endif | ||
430 | #if !(USB_CFG_DESCR_PROPS_HID_REPORT) | ||
431 | # undef USB_CFG_DESCR_PROPS_HID_REPORT | ||
432 | # if USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH /* do some backward compatibility tricks */ | ||
433 | # define USB_CFG_DESCR_PROPS_HID_REPORT USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH | ||
434 | # else | ||
435 | # define USB_CFG_DESCR_PROPS_HID_REPORT 0 | ||
436 | # endif | ||
437 | #endif | ||
438 | #ifndef USB_CFG_DESCR_PROPS_UNKNOWN | ||
439 | # define USB_CFG_DESCR_PROPS_UNKNOWN 0 | ||
440 | #endif | ||
441 | |||
442 | /* ------------------ forward declaration of descriptors ------------------- */ | ||
443 | /* If you use external static descriptors, they must be stored in global | ||
444 | * arrays as declared below: | ||
445 | */ | ||
446 | #ifndef __ASSEMBLER__ | ||
447 | extern | ||
448 | # if !(USB_CFG_DESCR_PROPS_DEVICE & USB_PROP_IS_RAM) | ||
449 | PROGMEM | ||
450 | # endif | ||
451 | const char usbDescriptorDevice[]; | ||
452 | |||
453 | extern | ||
454 | # if !(USB_CFG_DESCR_PROPS_CONFIGURATION & USB_PROP_IS_RAM) | ||
455 | PROGMEM | ||
456 | # endif | ||
457 | const char usbDescriptorConfiguration[]; | ||
458 | |||
459 | extern | ||
460 | # if !(USB_CFG_DESCR_PROPS_HID_REPORT & USB_PROP_IS_RAM) | ||
461 | PROGMEM | ||
462 | # endif | ||
463 | const char usbDescriptorHidReport[]; | ||
464 | |||
465 | extern | ||
466 | # if !(USB_CFG_DESCR_PROPS_STRING_0 & USB_PROP_IS_RAM) | ||
467 | PROGMEM | ||
468 | # endif | ||
469 | const char usbDescriptorString0[]; | ||
470 | |||
471 | extern | ||
472 | # if !(USB_CFG_DESCR_PROPS_STRING_VENDOR & USB_PROP_IS_RAM) | ||
473 | PROGMEM | ||
474 | # endif | ||
475 | const int usbDescriptorStringVendor[]; | ||
476 | |||
477 | extern | ||
478 | # if !(USB_CFG_DESCR_PROPS_STRING_PRODUCT & USB_PROP_IS_RAM) | ||
479 | PROGMEM | ||
480 | # endif | ||
481 | const int usbDescriptorStringDevice[]; | ||
482 | |||
483 | extern | ||
484 | # if !(USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER & USB_PROP_IS_RAM) | ||
485 | PROGMEM | ||
486 | # endif | ||
487 | const int usbDescriptorStringSerialNumber[]; | ||
488 | |||
489 | #endif /* __ASSEMBLER__ */ | ||
490 | |||
491 | /* ------------------------------------------------------------------------- */ | ||
492 | /* ------------------------ General Purpose Macros ------------------------- */ | ||
493 | /* ------------------------------------------------------------------------- */ | ||
494 | |||
495 | #define USB_CONCAT(a, b) a##b | ||
496 | #define USB_CONCAT_EXPANDED(a, b) USB_CONCAT(a, b) | ||
497 | |||
498 | #define USB_OUTPORT(name) USB_CONCAT(PORT, name) | ||
499 | #define USB_INPORT(name) USB_CONCAT(PIN, name) | ||
500 | #define USB_DDRPORT(name) USB_CONCAT(DDR, name) | ||
501 | /* The double-define trick above lets us concatenate strings which are | ||
502 | * defined by macros. | ||
503 | */ | ||
504 | |||
505 | /* ------------------------------------------------------------------------- */ | ||
506 | /* ------------------------- Constant definitions -------------------------- */ | ||
507 | /* ------------------------------------------------------------------------- */ | ||
508 | |||
509 | #if !defined __ASSEMBLER__ && (!defined USB_CFG_VENDOR_ID || !defined USB_CFG_DEVICE_ID) | ||
510 | # warning "You should define USB_CFG_VENDOR_ID and USB_CFG_DEVICE_ID in usbconfig.h" | ||
511 | /* If the user has not defined IDs, we default to obdev's free IDs. | ||
512 | * See USB-IDs-for-free.txt for details. | ||
513 | */ | ||
514 | #endif | ||
515 | |||
516 | /* make sure we have a VID and PID defined, byte order is lowbyte, highbyte */ | ||
517 | #ifndef USB_CFG_VENDOR_ID | ||
518 | # define USB_CFG_VENDOR_ID 0xc0, 0x16 /* = 0x16c0 = 5824 = voti.nl */ | ||
519 | #endif | ||
520 | |||
521 | #ifndef USB_CFG_DEVICE_ID | ||
522 | # if USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH | ||
523 | # define USB_CFG_DEVICE_ID 0xdf, 0x05 /* = 0x5df = 1503, shared PID for HIDs */ | ||
524 | # elif USB_CFG_INTERFACE_CLASS == 2 | ||
525 | # define USB_CFG_DEVICE_ID 0xe1, 0x05 /* = 0x5e1 = 1505, shared PID for CDC Modems */ | ||
526 | # else | ||
527 | # define USB_CFG_DEVICE_ID 0xdc, 0x05 /* = 0x5dc = 1500, obdev's free PID */ | ||
528 | # endif | ||
529 | #endif | ||
530 | |||
531 | /* Derive Output, Input and DataDirection ports from port names */ | ||
532 | #ifndef USB_CFG_IOPORTNAME | ||
533 | # error "You must define USB_CFG_IOPORTNAME in usbconfig.h, see usbconfig-prototype.h" | ||
534 | #endif | ||
535 | |||
536 | #define USBOUT USB_OUTPORT(USB_CFG_IOPORTNAME) | ||
537 | #define USB_PULLUP_OUT USB_OUTPORT(USB_CFG_PULLUP_IOPORTNAME) | ||
538 | #define USBIN USB_INPORT(USB_CFG_IOPORTNAME) | ||
539 | #define USBDDR USB_DDRPORT(USB_CFG_IOPORTNAME) | ||
540 | #define USB_PULLUP_DDR USB_DDRPORT(USB_CFG_PULLUP_IOPORTNAME) | ||
541 | |||
542 | #define USBMINUS USB_CFG_DMINUS_BIT | ||
543 | #define USBPLUS USB_CFG_DPLUS_BIT | ||
544 | #define USBIDLE (1 << USB_CFG_DMINUS_BIT) /* value representing J state */ | ||
545 | #define USBMASK ((1 << USB_CFG_DPLUS_BIT) | (1 << USB_CFG_DMINUS_BIT)) /* mask for USB I/O bits */ | ||
546 | |||
547 | /* defines for backward compatibility with older driver versions: */ | ||
548 | #define USB_CFG_IOPORT USB_OUTPORT(USB_CFG_IOPORTNAME) | ||
549 | #ifdef USB_CFG_PULLUP_IOPORTNAME | ||
550 | # define USB_CFG_PULLUP_IOPORT USB_OUTPORT(USB_CFG_PULLUP_IOPORTNAME) | ||
551 | #endif | ||
552 | |||
553 | #ifndef USB_CFG_EP3_NUMBER /* if not defined in usbconfig.h */ | ||
554 | # define USB_CFG_EP3_NUMBER 3 | ||
555 | #endif | ||
556 | |||
557 | #ifndef USB_CFG_HAVE_INTRIN_ENDPOINT3 | ||
558 | # define USB_CFG_HAVE_INTRIN_ENDPOINT3 0 | ||
559 | #endif | ||
560 | |||
561 | #define USB_BUFSIZE 11 /* PID, 8 bytes data, 2 bytes CRC */ | ||
562 | |||
563 | /* ----- Try to find registers and bits responsible for ext interrupt 0 ----- */ | ||
564 | |||
565 | #ifndef USB_INTR_CFG /* allow user to override our default */ | ||
566 | # if defined EICRA | ||
567 | # define USB_INTR_CFG EICRA | ||
568 | # else | ||
569 | # define USB_INTR_CFG MCUCR | ||
570 | # endif | ||
571 | #endif | ||
572 | #ifndef USB_INTR_CFG_SET /* allow user to override our default */ | ||
573 | # if defined(USB_COUNT_SOF) || defined(USB_SOF_HOOK) | ||
574 | # define USB_INTR_CFG_SET (1 << ISC01) /* cfg for falling edge */ | ||
575 | /* If any SOF logic is used, the interrupt must be wired to D- where | ||
576 | * we better trigger on falling edge | ||
577 | */ | ||
578 | # else | ||
579 | # define USB_INTR_CFG_SET ((1 << ISC00) | (1 << ISC01)) /* cfg for rising edge */ | ||
580 | # endif | ||
581 | #endif | ||
582 | #ifndef USB_INTR_CFG_CLR /* allow user to override our default */ | ||
583 | # define USB_INTR_CFG_CLR 0 /* no bits to clear */ | ||
584 | #endif | ||
585 | |||
586 | #ifndef USB_INTR_ENABLE /* allow user to override our default */ | ||
587 | # if defined GIMSK | ||
588 | # define USB_INTR_ENABLE GIMSK | ||
589 | # elif defined EIMSK | ||
590 | # define USB_INTR_ENABLE EIMSK | ||
591 | # else | ||
592 | # define USB_INTR_ENABLE GICR | ||
593 | # endif | ||
594 | #endif | ||
595 | #ifndef USB_INTR_ENABLE_BIT /* allow user to override our default */ | ||
596 | # define USB_INTR_ENABLE_BIT INT0 | ||
597 | #endif | ||
598 | |||
599 | #ifndef USB_INTR_PENDING /* allow user to override our default */ | ||
600 | # if defined EIFR | ||
601 | # define USB_INTR_PENDING EIFR | ||
602 | # else | ||
603 | # define USB_INTR_PENDING GIFR | ||
604 | # endif | ||
605 | #endif | ||
606 | #ifndef USB_INTR_PENDING_BIT /* allow user to override our default */ | ||
607 | # define USB_INTR_PENDING_BIT INTF0 | ||
608 | #endif | ||
609 | |||
610 | /* | ||
611 | The defines above don't work for the following chips | ||
612 | at90c8534: no ISC0?, no PORTB, can't find a data sheet | ||
613 | at86rf401: no PORTB, no MCUCR etc, low clock rate | ||
614 | atmega103: no ISC0? (maybe omission in header, can't find data sheet) | ||
615 | atmega603: not defined in avr-libc | ||
616 | at43usb320, at43usb355, at76c711: have USB anyway | ||
617 | at94k: is different... | ||
618 | |||
619 | at90s1200, attiny11, attiny12, attiny15, attiny28: these have no RAM | ||
620 | */ | ||
621 | |||
622 | /* ------------------------------------------------------------------------- */ | ||
623 | /* ----------------- USB Specification Constants and Types ----------------- */ | ||
624 | /* ------------------------------------------------------------------------- */ | ||
625 | |||
626 | /* USB Token values */ | ||
627 | #define USBPID_SETUP 0x2d | ||
628 | #define USBPID_OUT 0xe1 | ||
629 | #define USBPID_IN 0x69 | ||
630 | #define USBPID_DATA0 0xc3 | ||
631 | #define USBPID_DATA1 0x4b | ||
632 | |||
633 | #define USBPID_ACK 0xd2 | ||
634 | #define USBPID_NAK 0x5a | ||
635 | #define USBPID_STALL 0x1e | ||
636 | |||
637 | #ifndef USB_INITIAL_DATATOKEN | ||
638 | # define USB_INITIAL_DATATOKEN USBPID_DATA1 | ||
639 | #endif | ||
640 | |||
641 | #ifndef __ASSEMBLER__ | ||
642 | |||
643 | typedef struct usbTxStatus { | ||
644 | volatile uchar len; | ||
645 | uchar buffer[USB_BUFSIZE]; | ||
646 | } usbTxStatus_t; | ||
647 | |||
648 | extern usbTxStatus_t usbTxStatus1, usbTxStatus3; | ||
649 | # define usbTxLen1 usbTxStatus1.len | ||
650 | # define usbTxBuf1 usbTxStatus1.buffer | ||
651 | # define usbTxLen3 usbTxStatus3.len | ||
652 | # define usbTxBuf3 usbTxStatus3.buffer | ||
653 | |||
654 | typedef union usbWord { | ||
655 | unsigned word; | ||
656 | uchar bytes[2]; | ||
657 | } usbWord_t; | ||
658 | |||
659 | typedef struct usbRequest { | ||
660 | uchar bmRequestType; | ||
661 | uchar bRequest; | ||
662 | usbWord_t wValue; | ||
663 | usbWord_t wIndex; | ||
664 | usbWord_t wLength; | ||
665 | } usbRequest_t; | ||
666 | /* This structure matches the 8 byte setup request */ | ||
667 | #endif | ||
668 | |||
669 | /* bmRequestType field in USB setup: | ||
670 | * d t t r r r r r, where | ||
671 | * d ..... direction: 0=host->device, 1=device->host | ||
672 | * t ..... type: 0=standard, 1=class, 2=vendor, 3=reserved | ||
673 | * r ..... recipient: 0=device, 1=interface, 2=endpoint, 3=other | ||
674 | */ | ||
675 | |||
676 | /* USB setup recipient values */ | ||
677 | #define USBRQ_RCPT_MASK 0x1f | ||
678 | #define USBRQ_RCPT_DEVICE 0 | ||
679 | #define USBRQ_RCPT_INTERFACE 1 | ||
680 | #define USBRQ_RCPT_ENDPOINT 2 | ||
681 | |||
682 | /* USB request type values */ | ||
683 | #define USBRQ_TYPE_MASK 0x60 | ||
684 | #define USBRQ_TYPE_STANDARD (0 << 5) | ||
685 | #define USBRQ_TYPE_CLASS (1 << 5) | ||
686 | #define USBRQ_TYPE_VENDOR (2 << 5) | ||
687 | |||
688 | /* USB direction values: */ | ||
689 | #define USBRQ_DIR_MASK 0x80 | ||
690 | #define USBRQ_DIR_HOST_TO_DEVICE (0 << 7) | ||
691 | #define USBRQ_DIR_DEVICE_TO_HOST (1 << 7) | ||
692 | |||
693 | /* USB Standard Requests */ | ||
694 | #define USBRQ_GET_STATUS 0 | ||
695 | #define USBRQ_CLEAR_FEATURE 1 | ||
696 | #define USBRQ_SET_FEATURE 3 | ||
697 | #define USBRQ_SET_ADDRESS 5 | ||
698 | #define USBRQ_GET_DESCRIPTOR 6 | ||
699 | #define USBRQ_SET_DESCRIPTOR 7 | ||
700 | #define USBRQ_GET_CONFIGURATION 8 | ||
701 | #define USBRQ_SET_CONFIGURATION 9 | ||
702 | #define USBRQ_GET_INTERFACE 10 | ||
703 | #define USBRQ_SET_INTERFACE 11 | ||
704 | #define USBRQ_SYNCH_FRAME 12 | ||
705 | |||
706 | /* USB descriptor constants */ | ||
707 | #define USBDESCR_DEVICE 1 | ||
708 | #define USBDESCR_CONFIG 2 | ||
709 | #define USBDESCR_STRING 3 | ||
710 | #define USBDESCR_INTERFACE 4 | ||
711 | #define USBDESCR_ENDPOINT 5 | ||
712 | #define USBDESCR_HID 0x21 | ||
713 | #define USBDESCR_HID_REPORT 0x22 | ||
714 | #define USBDESCR_HID_PHYS 0x23 | ||
715 | |||
716 | //#define USBATTR_BUSPOWER 0x80 // USB 1.1 does not define this value any more | ||
717 | #define USBATTR_SELFPOWER 0x40 | ||
718 | #define USBATTR_REMOTEWAKE 0x20 | ||
719 | |||
720 | /* USB HID Requests */ | ||
721 | #define USBRQ_HID_GET_REPORT 0x01 | ||
722 | #define USBRQ_HID_GET_IDLE 0x02 | ||
723 | #define USBRQ_HID_GET_PROTOCOL 0x03 | ||
724 | #define USBRQ_HID_SET_REPORT 0x09 | ||
725 | #define USBRQ_HID_SET_IDLE 0x0a | ||
726 | #define USBRQ_HID_SET_PROTOCOL 0x0b | ||
727 | |||
728 | /* ------------------------------------------------------------------------- */ | ||
729 | |||
730 | #endif /* __usbdrv_h_included__ */ | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/usbdrvasm.S b/tmk_core/protocol/vusb/usbdrv/usbdrvasm.S deleted file mode 100644 index 2e8097da9..000000000 --- a/tmk_core/protocol/vusb/usbdrv/usbdrvasm.S +++ /dev/null | |||
@@ -1,393 +0,0 @@ | |||
1 | /* Name: usbdrvasm.S | ||
2 | * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers | ||
3 | * Author: Christian Starkjohann | ||
4 | * Creation Date: 2007-06-13 | ||
5 | * Tabsize: 4 | ||
6 | * Copyright: (c) 2007 by OBJECTIVE DEVELOPMENT Software GmbH | ||
7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
8 | * Revision: $Id: usbdrvasm.S 785 2010-05-30 17:57:07Z cs $ | ||
9 | */ | ||
10 | |||
11 | /* | ||
12 | General Description: | ||
13 | This module is the assembler part of the USB driver. This file contains | ||
14 | general code (preprocessor acrobatics and CRC computation) and then includes | ||
15 | the file appropriate for the given clock rate. | ||
16 | */ | ||
17 | |||
18 | #define __SFR_OFFSET 0 /* used by avr-libc's register definitions */ | ||
19 | #include "usbportability.h" | ||
20 | #include "usbdrv.h" /* for common defs */ | ||
21 | |||
22 | /* register names */ | ||
23 | #define x1 r16 | ||
24 | #define x2 r17 | ||
25 | #define shift r18 | ||
26 | #define cnt r19 | ||
27 | #define x3 r20 | ||
28 | #define x4 r21 | ||
29 | #define x5 r22 | ||
30 | #define bitcnt x5 | ||
31 | #define phase x4 | ||
32 | #define leap x4 | ||
33 | |||
34 | /* Some assembler dependent definitions and declarations: */ | ||
35 | |||
36 | #ifdef __IAR_SYSTEMS_ASM__ | ||
37 | extern usbRxBuf, usbDeviceAddr, usbNewDeviceAddr, usbInputBufOffset | ||
38 | extern usbCurrentTok, usbRxLen, usbRxToken, usbTxLen | ||
39 | extern usbTxBuf, usbTxStatus1, usbTxStatus3 | ||
40 | # if USB_COUNT_SOF | ||
41 | extern usbSofCount | ||
42 | # endif | ||
43 | public usbCrc16 | ||
44 | public usbCrc16Append | ||
45 | |||
46 | COMMON INTVEC | ||
47 | # ifndef USB_INTR_VECTOR | ||
48 | ORG INT0_vect | ||
49 | # else /* USB_INTR_VECTOR */ | ||
50 | ORG USB_INTR_VECTOR | ||
51 | # undef USB_INTR_VECTOR | ||
52 | # endif /* USB_INTR_VECTOR */ | ||
53 | # define USB_INTR_VECTOR usbInterruptHandler | ||
54 | rjmp USB_INTR_VECTOR | ||
55 | RSEG CODE | ||
56 | |||
57 | #else /* __IAR_SYSTEMS_ASM__ */ | ||
58 | |||
59 | # ifndef USB_INTR_VECTOR /* default to hardware interrupt INT0 */ | ||
60 | # ifdef INT0_vect | ||
61 | # define USB_INTR_VECTOR INT0_vect // this is the "new" define for the vector | ||
62 | # else | ||
63 | # define USB_INTR_VECTOR SIG_INTERRUPT0 // this is the "old" vector | ||
64 | # endif | ||
65 | # endif | ||
66 | .text | ||
67 | .global USB_INTR_VECTOR | ||
68 | .type USB_INTR_VECTOR, @function | ||
69 | .global usbCrc16 | ||
70 | .global usbCrc16Append | ||
71 | #endif /* __IAR_SYSTEMS_ASM__ */ | ||
72 | |||
73 | |||
74 | #if USB_INTR_PENDING < 0x40 /* This is an I/O address, use in and out */ | ||
75 | # define USB_LOAD_PENDING(reg) in reg, USB_INTR_PENDING | ||
76 | # define USB_STORE_PENDING(reg) out USB_INTR_PENDING, reg | ||
77 | #else /* It's a memory address, use lds and sts */ | ||
78 | # define USB_LOAD_PENDING(reg) lds reg, USB_INTR_PENDING | ||
79 | # define USB_STORE_PENDING(reg) sts USB_INTR_PENDING, reg | ||
80 | #endif | ||
81 | |||
82 | #define usbTxLen1 usbTxStatus1 | ||
83 | #define usbTxBuf1 (usbTxStatus1 + 1) | ||
84 | #define usbTxLen3 usbTxStatus3 | ||
85 | #define usbTxBuf3 (usbTxStatus3 + 1) | ||
86 | |||
87 | |||
88 | ;---------------------------------------------------------------------------- | ||
89 | ; Utility functions | ||
90 | ;---------------------------------------------------------------------------- | ||
91 | |||
92 | #ifdef __IAR_SYSTEMS_ASM__ | ||
93 | /* Register assignments for usbCrc16 on IAR cc */ | ||
94 | /* Calling conventions on IAR: | ||
95 | * First parameter passed in r16/r17, second in r18/r19 and so on. | ||
96 | * Callee must preserve r4-r15, r24-r29 (r28/r29 is frame pointer) | ||
97 | * Result is passed in r16/r17 | ||
98 | * In case of the "tiny" memory model, pointers are only 8 bit with no | ||
99 | * padding. We therefore pass argument 1 as "16 bit unsigned". | ||
100 | */ | ||
101 | RTMODEL "__rt_version", "3" | ||
102 | /* The line above will generate an error if cc calling conventions change. | ||
103 | * The value "3" above is valid for IAR 4.10B/W32 | ||
104 | */ | ||
105 | # define argLen r18 /* argument 2 */ | ||
106 | # define argPtrL r16 /* argument 1 */ | ||
107 | # define argPtrH r17 /* argument 1 */ | ||
108 | |||
109 | # define resCrcL r16 /* result */ | ||
110 | # define resCrcH r17 /* result */ | ||
111 | |||
112 | # define ptrL ZL | ||
113 | # define ptrH ZH | ||
114 | # define ptr Z | ||
115 | # define byte r22 | ||
116 | # define bitCnt r19 | ||
117 | # define polyL r20 | ||
118 | # define polyH r21 | ||
119 | # define scratch r23 | ||
120 | |||
121 | #else /* __IAR_SYSTEMS_ASM__ */ | ||
122 | /* Register assignments for usbCrc16 on gcc */ | ||
123 | /* Calling conventions on gcc: | ||
124 | * First parameter passed in r24/r25, second in r22/23 and so on. | ||
125 | * Callee must preserve r1-r17, r28/r29 | ||
126 | * Result is passed in r24/r25 | ||
127 | */ | ||
128 | # define argLen r22 /* argument 2 */ | ||
129 | # define argPtrL r24 /* argument 1 */ | ||
130 | # define argPtrH r25 /* argument 1 */ | ||
131 | |||
132 | # define resCrcL r24 /* result */ | ||
133 | # define resCrcH r25 /* result */ | ||
134 | |||
135 | # define ptrL XL | ||
136 | # define ptrH XH | ||
137 | # define ptr x | ||
138 | # define byte r18 | ||
139 | # define bitCnt r19 | ||
140 | # define polyL r20 | ||
141 | # define polyH r21 | ||
142 | # define scratch r23 | ||
143 | |||
144 | #endif | ||
145 | |||
146 | #if USB_USE_FAST_CRC | ||
147 | |||
148 | ; This implementation is faster, but has bigger code size | ||
149 | ; Thanks to Slawomir Fras (BoskiDialer) for this code! | ||
150 | ; It implements the following C pseudo-code: | ||
151 | ; unsigned table(unsigned char x) | ||
152 | ; { | ||
153 | ; unsigned value; | ||
154 | ; | ||
155 | ; value = (unsigned)x << 6; | ||
156 | ; value ^= (unsigned)x << 7; | ||
157 | ; if(parity(x)) | ||
158 | ; value ^= 0xc001; | ||
159 | ; return value; | ||
160 | ; } | ||
161 | ; unsigned usbCrc16(unsigned char *argPtr, unsigned char argLen) | ||
162 | ; { | ||
163 | ; unsigned crc = 0xffff; | ||
164 | ; | ||
165 | ; while(argLen--) | ||
166 | ; crc = table(lo8(crc) ^ *argPtr++) ^ hi8(crc); | ||
167 | ; return ~crc; | ||
168 | ; } | ||
169 | |||
170 | ; extern unsigned usbCrc16(unsigned char *argPtr, unsigned char argLen); | ||
171 | ; argPtr r24+25 / r16+r17 | ||
172 | ; argLen r22 / r18 | ||
173 | ; temp variables: | ||
174 | ; byte r18 / r22 | ||
175 | ; scratch r23 | ||
176 | ; resCrc r24+r25 / r16+r17 | ||
177 | ; ptr X / Z | ||
178 | usbCrc16: | ||
179 | mov ptrL, argPtrL | ||
180 | mov ptrH, argPtrH | ||
181 | ldi resCrcL, 0xFF | ||
182 | ldi resCrcH, 0xFF | ||
183 | rjmp usbCrc16LoopTest | ||
184 | usbCrc16ByteLoop: | ||
185 | ld byte, ptr+ | ||
186 | eor resCrcL, byte ; resCrcL is now 'x' in table() | ||
187 | mov byte, resCrcL ; compute parity of 'x' | ||
188 | swap byte | ||
189 | eor byte, resCrcL | ||
190 | mov scratch, byte | ||
191 | lsr byte | ||
192 | lsr byte | ||
193 | eor byte, scratch | ||
194 | inc byte | ||
195 | lsr byte | ||
196 | andi byte, 1 ; byte is now parity(x) | ||
197 | mov scratch, resCrcL | ||
198 | mov resCrcL, resCrcH | ||
199 | eor resCrcL, byte ; low byte of if(parity(x)) value ^= 0xc001; | ||
200 | neg byte | ||
201 | andi byte, 0xc0 | ||
202 | mov resCrcH, byte ; high byte of if(parity(x)) value ^= 0xc001; | ||
203 | clr byte | ||
204 | lsr scratch | ||
205 | ror byte | ||
206 | eor resCrcH, scratch | ||
207 | eor resCrcL, byte | ||
208 | lsr scratch | ||
209 | ror byte | ||
210 | eor resCrcH, scratch | ||
211 | eor resCrcL, byte | ||
212 | usbCrc16LoopTest: | ||
213 | subi argLen, 1 | ||
214 | brsh usbCrc16ByteLoop | ||
215 | com resCrcL | ||
216 | com resCrcH | ||
217 | ret | ||
218 | |||
219 | #else /* USB_USE_FAST_CRC */ | ||
220 | |||
221 | ; This implementation is slower, but has less code size | ||
222 | ; | ||
223 | ; extern unsigned usbCrc16(unsigned char *argPtr, unsigned char argLen); | ||
224 | ; argPtr r24+25 / r16+r17 | ||
225 | ; argLen r22 / r18 | ||
226 | ; temp variables: | ||
227 | ; byte r18 / r22 | ||
228 | ; bitCnt r19 | ||
229 | ; poly r20+r21 | ||
230 | ; scratch r23 | ||
231 | ; resCrc r24+r25 / r16+r17 | ||
232 | ; ptr X / Z | ||
233 | usbCrc16: | ||
234 | mov ptrL, argPtrL | ||
235 | mov ptrH, argPtrH | ||
236 | ldi resCrcL, 0 | ||
237 | ldi resCrcH, 0 | ||
238 | ldi polyL, lo8(0xa001) | ||
239 | ldi polyH, hi8(0xa001) | ||
240 | com argLen ; argLen = -argLen - 1: modified loop to ensure that carry is set | ||
241 | ldi bitCnt, 0 ; loop counter with starnd condition = end condition | ||
242 | rjmp usbCrcLoopEntry | ||
243 | usbCrcByteLoop: | ||
244 | ld byte, ptr+ | ||
245 | eor resCrcL, byte | ||
246 | usbCrcBitLoop: | ||
247 | ror resCrcH ; carry is always set here (see brcs jumps to here) | ||
248 | ror resCrcL | ||
249 | brcs usbCrcNoXor | ||
250 | eor resCrcL, polyL | ||
251 | eor resCrcH, polyH | ||
252 | usbCrcNoXor: | ||
253 | subi bitCnt, 224 ; (8 * 224) % 256 = 0; this loop iterates 8 times | ||
254 | brcs usbCrcBitLoop | ||
255 | usbCrcLoopEntry: | ||
256 | subi argLen, -1 | ||
257 | brcs usbCrcByteLoop | ||
258 | usbCrcReady: | ||
259 | ret | ||
260 | ; Thanks to Reimar Doeffinger for optimizing this CRC routine! | ||
261 | |||
262 | #endif /* USB_USE_FAST_CRC */ | ||
263 | |||
264 | ; extern unsigned usbCrc16Append(unsigned char *data, unsigned char len); | ||
265 | usbCrc16Append: | ||
266 | rcall usbCrc16 | ||
267 | st ptr+, resCrcL | ||
268 | st ptr+, resCrcH | ||
269 | ret | ||
270 | |||
271 | #undef argLen | ||
272 | #undef argPtrL | ||
273 | #undef argPtrH | ||
274 | #undef resCrcL | ||
275 | #undef resCrcH | ||
276 | #undef ptrL | ||
277 | #undef ptrH | ||
278 | #undef ptr | ||
279 | #undef byte | ||
280 | #undef bitCnt | ||
281 | #undef polyL | ||
282 | #undef polyH | ||
283 | #undef scratch | ||
284 | |||
285 | |||
286 | #if USB_CFG_HAVE_MEASURE_FRAME_LENGTH | ||
287 | #ifdef __IAR_SYSTEMS_ASM__ | ||
288 | /* Register assignments for usbMeasureFrameLength on IAR cc */ | ||
289 | /* Calling conventions on IAR: | ||
290 | * First parameter passed in r16/r17, second in r18/r19 and so on. | ||
291 | * Callee must preserve r4-r15, r24-r29 (r28/r29 is frame pointer) | ||
292 | * Result is passed in r16/r17 | ||
293 | * In case of the "tiny" memory model, pointers are only 8 bit with no | ||
294 | * padding. We therefore pass argument 1 as "16 bit unsigned". | ||
295 | */ | ||
296 | # define resL r16 | ||
297 | # define resH r17 | ||
298 | # define cnt16L r30 | ||
299 | # define cnt16H r31 | ||
300 | # define cntH r18 | ||
301 | |||
302 | #else /* __IAR_SYSTEMS_ASM__ */ | ||
303 | /* Register assignments for usbMeasureFrameLength on gcc */ | ||
304 | /* Calling conventions on gcc: | ||
305 | * First parameter passed in r24/r25, second in r22/23 and so on. | ||
306 | * Callee must preserve r1-r17, r28/r29 | ||
307 | * Result is passed in r24/r25 | ||
308 | */ | ||
309 | # define resL r24 | ||
310 | # define resH r25 | ||
311 | # define cnt16L r24 | ||
312 | # define cnt16H r25 | ||
313 | # define cntH r26 | ||
314 | #endif | ||
315 | # define cnt16 cnt16L | ||
316 | |||
317 | ; extern unsigned usbMeasurePacketLength(void); | ||
318 | ; returns time between two idle strobes in multiples of 7 CPU clocks | ||
319 | .global usbMeasureFrameLength | ||
320 | usbMeasureFrameLength: | ||
321 | ldi cntH, 6 ; wait ~ 10 ms for D- == 0 | ||
322 | clr cnt16L | ||
323 | clr cnt16H | ||
324 | usbMFTime16: | ||
325 | dec cntH | ||
326 | breq usbMFTimeout | ||
327 | usbMFWaitStrobe: ; first wait for D- == 0 (idle strobe) | ||
328 | sbiw cnt16, 1 ;[0] [6] | ||
329 | breq usbMFTime16 ;[2] | ||
330 | sbic USBIN, USBMINUS ;[3] | ||
331 | rjmp usbMFWaitStrobe ;[4] | ||
332 | usbMFWaitIdle: ; then wait until idle again | ||
333 | sbis USBIN, USBMINUS ;1 wait for D- == 1 | ||
334 | rjmp usbMFWaitIdle ;2 | ||
335 | ldi cnt16L, 1 ;1 represents cycles so far | ||
336 | clr cnt16H ;1 | ||
337 | usbMFWaitLoop: | ||
338 | in cntH, USBIN ;[0] [7] | ||
339 | adiw cnt16, 1 ;[1] | ||
340 | breq usbMFTimeout ;[3] | ||
341 | andi cntH, USBMASK ;[4] | ||
342 | brne usbMFWaitLoop ;[5] | ||
343 | usbMFTimeout: | ||
344 | #if resL != cnt16L | ||
345 | mov resL, cnt16L | ||
346 | mov resH, cnt16H | ||
347 | #endif | ||
348 | ret | ||
349 | |||
350 | #undef resL | ||
351 | #undef resH | ||
352 | #undef cnt16 | ||
353 | #undef cnt16L | ||
354 | #undef cnt16H | ||
355 | #undef cntH | ||
356 | |||
357 | #endif /* USB_CFG_HAVE_MEASURE_FRAME_LENGTH */ | ||
358 | |||
359 | ;---------------------------------------------------------------------------- | ||
360 | ; Now include the clock rate specific code | ||
361 | ;---------------------------------------------------------------------------- | ||
362 | |||
363 | #ifndef USB_CFG_CLOCK_KHZ | ||
364 | # ifdef F_CPU | ||
365 | # define USB_CFG_CLOCK_KHZ (F_CPU/1000) | ||
366 | # else | ||
367 | # error "USB_CFG_CLOCK_KHZ not defined in usbconfig.h and no F_CPU set!" | ||
368 | # endif | ||
369 | #endif | ||
370 | |||
371 | #if USB_CFG_CHECK_CRC /* separate dispatcher for CRC type modules */ | ||
372 | # if USB_CFG_CLOCK_KHZ == 18000 | ||
373 | # include "usbdrvasm18-crc.inc" | ||
374 | # else | ||
375 | # error "USB_CFG_CLOCK_KHZ is not one of the supported crc-rates!" | ||
376 | # endif | ||
377 | #else /* USB_CFG_CHECK_CRC */ | ||
378 | # if USB_CFG_CLOCK_KHZ == 12000 | ||
379 | # include "usbdrvasm12.inc" | ||
380 | # elif USB_CFG_CLOCK_KHZ == 12800 | ||
381 | # include "usbdrvasm128.inc" | ||
382 | # elif USB_CFG_CLOCK_KHZ == 15000 | ||
383 | # include "usbdrvasm15.inc" | ||
384 | # elif USB_CFG_CLOCK_KHZ == 16000 | ||
385 | # include "usbdrvasm16.inc" | ||
386 | # elif USB_CFG_CLOCK_KHZ == 16500 | ||
387 | # include "usbdrvasm165.inc" | ||
388 | # elif USB_CFG_CLOCK_KHZ == 20000 | ||
389 | # include "usbdrvasm20.inc" | ||
390 | # else | ||
391 | # error "USB_CFG_CLOCK_KHZ is not one of the supported non-crc-rates!" | ||
392 | # endif | ||
393 | #endif /* USB_CFG_CHECK_CRC */ | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/usbdrvasm.asm b/tmk_core/protocol/vusb/usbdrv/usbdrvasm.asm deleted file mode 100644 index 9cc4e4d73..000000000 --- a/tmk_core/protocol/vusb/usbdrv/usbdrvasm.asm +++ /dev/null | |||
@@ -1,21 +0,0 @@ | |||
1 | /* Name: usbdrvasm.asm | ||
2 | * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers | ||
3 | * Author: Christian Starkjohann | ||
4 | * Creation Date: 2006-03-01 | ||
5 | * Tabsize: 4 | ||
6 | * Copyright: (c) 2006 by OBJECTIVE DEVELOPMENT Software GmbH | ||
7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
8 | * This Revision: $Id$ | ||
9 | */ | ||
10 | |||
11 | /* | ||
12 | General Description: | ||
13 | The IAR compiler/assembler system prefers assembler files with file extension | ||
14 | ".asm". We simply provide this file as an alias for usbdrvasm.S. | ||
15 | |||
16 | Thanks to Oleg Semyonov for his help with the IAR tools port! | ||
17 | */ | ||
18 | |||
19 | #include "usbdrvasm.S" | ||
20 | |||
21 | end | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/usbdrvasm12.inc b/tmk_core/protocol/vusb/usbdrv/usbdrvasm12.inc deleted file mode 100644 index c1167584c..000000000 --- a/tmk_core/protocol/vusb/usbdrv/usbdrvasm12.inc +++ /dev/null | |||
@@ -1,393 +0,0 @@ | |||
1 | /* Name: usbdrvasm12.inc | ||
2 | * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers | ||
3 | * Author: Christian Starkjohann | ||
4 | * Creation Date: 2004-12-29 | ||
5 | * Tabsize: 4 | ||
6 | * Copyright: (c) 2007 by OBJECTIVE DEVELOPMENT Software GmbH | ||
7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
8 | * This Revision: $Id: usbdrvasm12.inc 740 2009-04-13 18:23:31Z cs $ | ||
9 | */ | ||
10 | |||
11 | /* Do not link this file! Link usbdrvasm.S instead, which includes the | ||
12 | * appropriate implementation! | ||
13 | */ | ||
14 | |||
15 | /* | ||
16 | General Description: | ||
17 | This file is the 12 MHz version of the asssembler part of the USB driver. It | ||
18 | requires a 12 MHz crystal (not a ceramic resonator and not a calibrated RC | ||
19 | oscillator). | ||
20 | |||
21 | See usbdrv.h for a description of the entire driver. | ||
22 | |||
23 | Since almost all of this code is timing critical, don't change unless you | ||
24 | really know what you are doing! Many parts require not only a maximum number | ||
25 | of CPU cycles, but even an exact number of cycles! | ||
26 | |||
27 | |||
28 | Timing constraints according to spec (in bit times): | ||
29 | timing subject min max CPUcycles | ||
30 | --------------------------------------------------------------------------- | ||
31 | EOP of OUT/SETUP to sync pattern of DATA0 (both rx) 2 16 16-128 | ||
32 | EOP of IN to sync pattern of DATA0 (rx, then tx) 2 7.5 16-60 | ||
33 | DATAx (rx) to ACK/NAK/STALL (tx) 2 7.5 16-60 | ||
34 | */ | ||
35 | |||
36 | ;Software-receiver engine. Strict timing! Don't change unless you can preserve timing! | ||
37 | ;interrupt response time: 4 cycles + insn running = 7 max if interrupts always enabled | ||
38 | ;max allowable interrupt latency: 34 cycles -> max 25 cycles interrupt disable | ||
39 | ;max stack usage: [ret(2), YL, SREG, YH, shift, x1, x2, x3, cnt, x4] = 11 bytes | ||
40 | ;Numbers in brackets are maximum cycles since SOF. | ||
41 | USB_INTR_VECTOR: | ||
42 | ;order of registers pushed: YL, SREG [sofError], YH, shift, x1, x2, x3, cnt | ||
43 | push YL ;2 [35] push only what is necessary to sync with edge ASAP | ||
44 | in YL, SREG ;1 [37] | ||
45 | push YL ;2 [39] | ||
46 | ;---------------------------------------------------------------------------- | ||
47 | ; Synchronize with sync pattern: | ||
48 | ;---------------------------------------------------------------------------- | ||
49 | ;sync byte (D-) pattern LSb to MSb: 01010100 [1 = idle = J, 0 = K] | ||
50 | ;sync up with J to K edge during sync pattern -- use fastest possible loops | ||
51 | ;The first part waits at most 1 bit long since we must be in sync pattern. | ||
52 | ;YL is guarenteed to be < 0x80 because I flag is clear. When we jump to | ||
53 | ;waitForJ, ensure that this prerequisite is met. | ||
54 | waitForJ: | ||
55 | inc YL | ||
56 | sbis USBIN, USBMINUS | ||
57 | brne waitForJ ; just make sure we have ANY timeout | ||
58 | waitForK: | ||
59 | ;The following code results in a sampling window of 1/4 bit which meets the spec. | ||
60 | sbis USBIN, USBMINUS | ||
61 | rjmp foundK | ||
62 | sbis USBIN, USBMINUS | ||
63 | rjmp foundK | ||
64 | sbis USBIN, USBMINUS | ||
65 | rjmp foundK | ||
66 | sbis USBIN, USBMINUS | ||
67 | rjmp foundK | ||
68 | sbis USBIN, USBMINUS | ||
69 | rjmp foundK | ||
70 | #if USB_COUNT_SOF | ||
71 | lds YL, usbSofCount | ||
72 | inc YL | ||
73 | sts usbSofCount, YL | ||
74 | #endif /* USB_COUNT_SOF */ | ||
75 | #ifdef USB_SOF_HOOK | ||
76 | USB_SOF_HOOK | ||
77 | #endif | ||
78 | rjmp sofError | ||
79 | foundK: | ||
80 | ;{3, 5} after falling D- edge, average delay: 4 cycles [we want 4 for center sampling] | ||
81 | ;we have 1 bit time for setup purposes, then sample again. Numbers in brackets | ||
82 | ;are cycles from center of first sync (double K) bit after the instruction | ||
83 | push YH ;2 [2] | ||
84 | lds YL, usbInputBufOffset;2 [4] | ||
85 | clr YH ;1 [5] | ||
86 | subi YL, lo8(-(usbRxBuf));1 [6] | ||
87 | sbci YH, hi8(-(usbRxBuf));1 [7] | ||
88 | |||
89 | sbis USBIN, USBMINUS ;1 [8] we want two bits K [sample 1 cycle too early] | ||
90 | rjmp haveTwoBitsK ;2 [10] | ||
91 | pop YH ;2 [11] undo the push from before | ||
92 | rjmp waitForK ;2 [13] this was not the end of sync, retry | ||
93 | haveTwoBitsK: | ||
94 | ;---------------------------------------------------------------------------- | ||
95 | ; push more registers and initialize values while we sample the first bits: | ||
96 | ;---------------------------------------------------------------------------- | ||
97 | push shift ;2 [16] | ||
98 | push x1 ;2 [12] | ||
99 | push x2 ;2 [14] | ||
100 | |||
101 | in x1, USBIN ;1 [17] <-- sample bit 0 | ||
102 | ldi shift, 0xff ;1 [18] | ||
103 | bst x1, USBMINUS ;1 [19] | ||
104 | bld shift, 0 ;1 [20] | ||
105 | push x3 ;2 [22] | ||
106 | push cnt ;2 [24] | ||
107 | |||
108 | in x2, USBIN ;1 [25] <-- sample bit 1 | ||
109 | ser x3 ;1 [26] [inserted init instruction] | ||
110 | eor x1, x2 ;1 [27] | ||
111 | bst x1, USBMINUS ;1 [28] | ||
112 | bld shift, 1 ;1 [29] | ||
113 | ldi cnt, USB_BUFSIZE;1 [30] [inserted init instruction] | ||
114 | rjmp rxbit2 ;2 [32] | ||
115 | |||
116 | ;---------------------------------------------------------------------------- | ||
117 | ; Receiver loop (numbers in brackets are cycles within byte after instr) | ||
118 | ;---------------------------------------------------------------------------- | ||
119 | |||
120 | unstuff0: ;1 (branch taken) | ||
121 | andi x3, ~0x01 ;1 [15] | ||
122 | mov x1, x2 ;1 [16] x2 contains last sampled (stuffed) bit | ||
123 | in x2, USBIN ;1 [17] <-- sample bit 1 again | ||
124 | ori shift, 0x01 ;1 [18] | ||
125 | rjmp didUnstuff0 ;2 [20] | ||
126 | |||
127 | unstuff1: ;1 (branch taken) | ||
128 | mov x2, x1 ;1 [21] x1 contains last sampled (stuffed) bit | ||
129 | andi x3, ~0x02 ;1 [22] | ||
130 | ori shift, 0x02 ;1 [23] | ||
131 | nop ;1 [24] | ||
132 | in x1, USBIN ;1 [25] <-- sample bit 2 again | ||
133 | rjmp didUnstuff1 ;2 [27] | ||
134 | |||
135 | unstuff2: ;1 (branch taken) | ||
136 | andi x3, ~0x04 ;1 [29] | ||
137 | ori shift, 0x04 ;1 [30] | ||
138 | mov x1, x2 ;1 [31] x2 contains last sampled (stuffed) bit | ||
139 | nop ;1 [32] | ||
140 | in x2, USBIN ;1 [33] <-- sample bit 3 | ||
141 | rjmp didUnstuff2 ;2 [35] | ||
142 | |||
143 | unstuff3: ;1 (branch taken) | ||
144 | in x2, USBIN ;1 [34] <-- sample stuffed bit 3 [one cycle too late] | ||
145 | andi x3, ~0x08 ;1 [35] | ||
146 | ori shift, 0x08 ;1 [36] | ||
147 | rjmp didUnstuff3 ;2 [38] | ||
148 | |||
149 | unstuff4: ;1 (branch taken) | ||
150 | andi x3, ~0x10 ;1 [40] | ||
151 | in x1, USBIN ;1 [41] <-- sample stuffed bit 4 | ||
152 | ori shift, 0x10 ;1 [42] | ||
153 | rjmp didUnstuff4 ;2 [44] | ||
154 | |||
155 | unstuff5: ;1 (branch taken) | ||
156 | andi x3, ~0x20 ;1 [48] | ||
157 | in x2, USBIN ;1 [49] <-- sample stuffed bit 5 | ||
158 | ori shift, 0x20 ;1 [50] | ||
159 | rjmp didUnstuff5 ;2 [52] | ||
160 | |||
161 | unstuff6: ;1 (branch taken) | ||
162 | andi x3, ~0x40 ;1 [56] | ||
163 | in x1, USBIN ;1 [57] <-- sample stuffed bit 6 | ||
164 | ori shift, 0x40 ;1 [58] | ||
165 | rjmp didUnstuff6 ;2 [60] | ||
166 | |||
167 | ; extra jobs done during bit interval: | ||
168 | ; bit 0: store, clear [SE0 is unreliable here due to bit dribbling in hubs] | ||
169 | ; bit 1: se0 check | ||
170 | ; bit 2: overflow check | ||
171 | ; bit 3: recovery from delay [bit 0 tasks took too long] | ||
172 | ; bit 4: none | ||
173 | ; bit 5: none | ||
174 | ; bit 6: none | ||
175 | ; bit 7: jump, eor | ||
176 | rxLoop: | ||
177 | eor x3, shift ;1 [0] reconstruct: x3 is 0 at bit locations we changed, 1 at others | ||
178 | in x1, USBIN ;1 [1] <-- sample bit 0 | ||
179 | st y+, x3 ;2 [3] store data | ||
180 | ser x3 ;1 [4] | ||
181 | nop ;1 [5] | ||
182 | eor x2, x1 ;1 [6] | ||
183 | bst x2, USBMINUS;1 [7] | ||
184 | bld shift, 0 ;1 [8] | ||
185 | in x2, USBIN ;1 [9] <-- sample bit 1 (or possibly bit 0 stuffed) | ||
186 | andi x2, USBMASK ;1 [10] | ||
187 | breq se0 ;1 [11] SE0 check for bit 1 | ||
188 | andi shift, 0xf9 ;1 [12] | ||
189 | didUnstuff0: | ||
190 | breq unstuff0 ;1 [13] | ||
191 | eor x1, x2 ;1 [14] | ||
192 | bst x1, USBMINUS;1 [15] | ||
193 | bld shift, 1 ;1 [16] | ||
194 | rxbit2: | ||
195 | in x1, USBIN ;1 [17] <-- sample bit 2 (or possibly bit 1 stuffed) | ||
196 | andi shift, 0xf3 ;1 [18] | ||
197 | breq unstuff1 ;1 [19] do remaining work for bit 1 | ||
198 | didUnstuff1: | ||
199 | subi cnt, 1 ;1 [20] | ||
200 | brcs overflow ;1 [21] loop control | ||
201 | eor x2, x1 ;1 [22] | ||
202 | bst x2, USBMINUS;1 [23] | ||
203 | bld shift, 2 ;1 [24] | ||
204 | in x2, USBIN ;1 [25] <-- sample bit 3 (or possibly bit 2 stuffed) | ||
205 | andi shift, 0xe7 ;1 [26] | ||
206 | breq unstuff2 ;1 [27] | ||
207 | didUnstuff2: | ||
208 | eor x1, x2 ;1 [28] | ||
209 | bst x1, USBMINUS;1 [29] | ||
210 | bld shift, 3 ;1 [30] | ||
211 | didUnstuff3: | ||
212 | andi shift, 0xcf ;1 [31] | ||
213 | breq unstuff3 ;1 [32] | ||
214 | in x1, USBIN ;1 [33] <-- sample bit 4 | ||
215 | eor x2, x1 ;1 [34] | ||
216 | bst x2, USBMINUS;1 [35] | ||
217 | bld shift, 4 ;1 [36] | ||
218 | didUnstuff4: | ||
219 | andi shift, 0x9f ;1 [37] | ||
220 | breq unstuff4 ;1 [38] | ||
221 | nop2 ;2 [40] | ||
222 | in x2, USBIN ;1 [41] <-- sample bit 5 | ||
223 | eor x1, x2 ;1 [42] | ||
224 | bst x1, USBMINUS;1 [43] | ||
225 | bld shift, 5 ;1 [44] | ||
226 | didUnstuff5: | ||
227 | andi shift, 0x3f ;1 [45] | ||
228 | breq unstuff5 ;1 [46] | ||
229 | nop2 ;2 [48] | ||
230 | in x1, USBIN ;1 [49] <-- sample bit 6 | ||
231 | eor x2, x1 ;1 [50] | ||
232 | bst x2, USBMINUS;1 [51] | ||
233 | bld shift, 6 ;1 [52] | ||
234 | didUnstuff6: | ||
235 | cpi shift, 0x02 ;1 [53] | ||
236 | brlo unstuff6 ;1 [54] | ||
237 | nop2 ;2 [56] | ||
238 | in x2, USBIN ;1 [57] <-- sample bit 7 | ||
239 | eor x1, x2 ;1 [58] | ||
240 | bst x1, USBMINUS;1 [59] | ||
241 | bld shift, 7 ;1 [60] | ||
242 | didUnstuff7: | ||
243 | cpi shift, 0x04 ;1 [61] | ||
244 | brsh rxLoop ;2 [63] loop control | ||
245 | unstuff7: | ||
246 | andi x3, ~0x80 ;1 [63] | ||
247 | ori shift, 0x80 ;1 [64] | ||
248 | in x2, USBIN ;1 [65] <-- sample stuffed bit 7 | ||
249 | nop ;1 [66] | ||
250 | rjmp didUnstuff7 ;2 [68] | ||
251 | |||
252 | macro POP_STANDARD ; 12 cycles | ||
253 | pop cnt | ||
254 | pop x3 | ||
255 | pop x2 | ||
256 | pop x1 | ||
257 | pop shift | ||
258 | pop YH | ||
259 | endm | ||
260 | macro POP_RETI ; 5 cycles | ||
261 | pop YL | ||
262 | out SREG, YL | ||
263 | pop YL | ||
264 | endm | ||
265 | |||
266 | #include "asmcommon.inc" | ||
267 | |||
268 | ;---------------------------------------------------------------------------- | ||
269 | ; Transmitting data | ||
270 | ;---------------------------------------------------------------------------- | ||
271 | |||
272 | txByteLoop: | ||
273 | txBitloop: | ||
274 | stuffN1Delay: ; [03] | ||
275 | ror shift ;[-5] [11] [59] | ||
276 | brcc doExorN1 ;[-4] [60] | ||
277 | subi x4, 1 ;[-3] | ||
278 | brne commonN1 ;[-2] | ||
279 | lsl shift ;[-1] compensate ror after rjmp stuffDelay | ||
280 | nop ;[00] stuffing consists of just waiting 8 cycles | ||
281 | rjmp stuffN1Delay ;[01] after ror, C bit is reliably clear | ||
282 | |||
283 | sendNakAndReti: ;0 [-19] 19 cycles until SOP | ||
284 | ldi x3, USBPID_NAK ;1 [-18] | ||
285 | rjmp usbSendX3 ;2 [-16] | ||
286 | sendAckAndReti: ;0 [-19] 19 cycles until SOP | ||
287 | ldi x3, USBPID_ACK ;1 [-18] | ||
288 | rjmp usbSendX3 ;2 [-16] | ||
289 | sendCntAndReti: ;0 [-17] 17 cycles until SOP | ||
290 | mov x3, cnt ;1 [-16] | ||
291 | usbSendX3: ;0 [-16] | ||
292 | ldi YL, 20 ;1 [-15] 'x3' is R20 | ||
293 | ldi YH, 0 ;1 [-14] | ||
294 | ldi cnt, 2 ;1 [-13] | ||
295 | ; rjmp usbSendAndReti fallthrough | ||
296 | |||
297 | ; USB spec says: | ||
298 | ; idle = J | ||
299 | ; J = (D+ = 0), (D- = 1) or USBOUT = 0x01 | ||
300 | ; K = (D+ = 1), (D- = 0) or USBOUT = 0x02 | ||
301 | ; Spec allows 7.5 bit times from EOP to SOP for replies (= 60 cycles) | ||
302 | |||
303 | ;usbSend: | ||
304 | ;pointer to data in 'Y' | ||
305 | ;number of bytes in 'cnt' -- including sync byte | ||
306 | ;uses: x1...x2, x4, shift, cnt, Y [x1 = mirror USBOUT, x2 = USBMASK, x4 = bitstuff cnt] | ||
307 | ;Numbers in brackets are time since first bit of sync pattern is sent (start of instruction) | ||
308 | usbSendAndReti: | ||
309 | in x2, USBDDR ;[-12] 12 cycles until SOP | ||
310 | ori x2, USBMASK ;[-11] | ||
311 | sbi USBOUT, USBMINUS ;[-10] prepare idle state; D+ and D- must have been 0 (no pullups) | ||
312 | out USBDDR, x2 ;[-8] <--- acquire bus | ||
313 | in x1, USBOUT ;[-7] port mirror for tx loop | ||
314 | ldi shift, 0x40 ;[-6] sync byte is first byte sent (we enter loop after ror) | ||
315 | ldi x2, USBMASK ;[-5] | ||
316 | push x4 ;[-4] | ||
317 | doExorN1: | ||
318 | eor x1, x2 ;[-2] [06] [62] | ||
319 | ldi x4, 6 ;[-1] [07] [63] | ||
320 | commonN1: | ||
321 | stuffN2Delay: | ||
322 | out USBOUT, x1 ;[00] [08] [64] <--- set bit | ||
323 | ror shift ;[01] | ||
324 | brcc doExorN2 ;[02] | ||
325 | subi x4, 1 ;[03] | ||
326 | brne commonN2 ;[04] | ||
327 | lsl shift ;[05] compensate ror after rjmp stuffDelay | ||
328 | rjmp stuffN2Delay ;[06] after ror, C bit is reliably clear | ||
329 | doExorN2: | ||
330 | eor x1, x2 ;[04] [12] | ||
331 | ldi x4, 6 ;[05] [13] | ||
332 | commonN2: | ||
333 | nop ;[06] [14] | ||
334 | subi cnt, 171 ;[07] [15] trick: (3 * 171) & 0xff = 1 | ||
335 | out USBOUT, x1 ;[08] [16] <--- set bit | ||
336 | brcs txBitloop ;[09] [25] [41] | ||
337 | |||
338 | stuff6Delay: | ||
339 | ror shift ;[42] [50] | ||
340 | brcc doExor6 ;[43] | ||
341 | subi x4, 1 ;[44] | ||
342 | brne common6 ;[45] | ||
343 | lsl shift ;[46] compensate ror after rjmp stuffDelay | ||
344 | nop ;[47] stuffing consists of just waiting 8 cycles | ||
345 | rjmp stuff6Delay ;[48] after ror, C bit is reliably clear | ||
346 | doExor6: | ||
347 | eor x1, x2 ;[45] [53] | ||
348 | ldi x4, 6 ;[46] | ||
349 | common6: | ||
350 | stuff7Delay: | ||
351 | ror shift ;[47] [55] | ||
352 | out USBOUT, x1 ;[48] <--- set bit | ||
353 | brcc doExor7 ;[49] | ||
354 | subi x4, 1 ;[50] | ||
355 | brne common7 ;[51] | ||
356 | lsl shift ;[52] compensate ror after rjmp stuffDelay | ||
357 | rjmp stuff7Delay ;[53] after ror, C bit is reliably clear | ||
358 | doExor7: | ||
359 | eor x1, x2 ;[51] [59] | ||
360 | ldi x4, 6 ;[52] | ||
361 | common7: | ||
362 | ld shift, y+ ;[53] | ||
363 | tst cnt ;[55] | ||
364 | out USBOUT, x1 ;[56] <--- set bit | ||
365 | brne txByteLoop ;[57] | ||
366 | |||
367 | ;make SE0: | ||
368 | cbr x1, USBMASK ;[58] prepare SE0 [spec says EOP may be 15 to 18 cycles] | ||
369 | lds x2, usbNewDeviceAddr;[59] | ||
370 | lsl x2 ;[61] we compare with left shifted address | ||
371 | subi YL, 2 + 20 ;[62] Only assign address on data packets, not ACK/NAK in x3 | ||
372 | sbci YH, 0 ;[63] | ||
373 | out USBOUT, x1 ;[00] <-- out SE0 -- from now 2 bits = 16 cycles until bus idle | ||
374 | ;2006-03-06: moved transfer of new address to usbDeviceAddr from C-Code to asm: | ||
375 | ;set address only after data packet was sent, not after handshake | ||
376 | breq skipAddrAssign ;[01] | ||
377 | sts usbDeviceAddr, x2 ; if not skipped: SE0 is one cycle longer | ||
378 | skipAddrAssign: | ||
379 | ;end of usbDeviceAddress transfer | ||
380 | ldi x2, 1<<USB_INTR_PENDING_BIT;[03] int0 occurred during TX -- clear pending flag | ||
381 | USB_STORE_PENDING(x2) ;[04] | ||
382 | ori x1, USBIDLE ;[05] | ||
383 | in x2, USBDDR ;[06] | ||
384 | cbr x2, USBMASK ;[07] set both pins to input | ||
385 | mov x3, x1 ;[08] | ||
386 | cbr x3, USBMASK ;[09] configure no pullup on both pins | ||
387 | pop x4 ;[10] | ||
388 | nop2 ;[12] | ||
389 | nop2 ;[14] | ||
390 | out USBOUT, x1 ;[16] <-- out J (idle) -- end of SE0 (EOP signal) | ||
391 | out USBDDR, x2 ;[17] <-- release bus now | ||
392 | out USBOUT, x3 ;[18] <-- ensure no pull-up resistors are active | ||
393 | rjmp doReturn | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/usbdrvasm128.inc b/tmk_core/protocol/vusb/usbdrv/usbdrvasm128.inc deleted file mode 100644 index bcd6621cc..000000000 --- a/tmk_core/protocol/vusb/usbdrv/usbdrvasm128.inc +++ /dev/null | |||
@@ -1,750 +0,0 @@ | |||
1 | /* Name: usbdrvasm128.inc | ||
2 | * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers | ||
3 | * Author: Christian Starkjohann | ||
4 | * Creation Date: 2008-10-11 | ||
5 | * Tabsize: 4 | ||
6 | * Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH | ||
7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
8 | * This Revision: $Id: usbdrvasm128.inc 758 2009-08-06 10:12:54Z cs $ | ||
9 | */ | ||
10 | |||
11 | /* Do not link this file! Link usbdrvasm.S instead, which includes the | ||
12 | * appropriate implementation! | ||
13 | */ | ||
14 | |||
15 | /* | ||
16 | General Description: | ||
17 | This file is the 12.8 MHz version of the USB driver. It is intended for use | ||
18 | with the internal RC oscillator. Although 12.8 MHz is outside the guaranteed | ||
19 | calibration range of the oscillator, almost all AVRs can reach this frequency. | ||
20 | This version contains a phase locked loop in the receiver routine to cope with | ||
21 | slight clock rate deviations of up to +/- 1%. | ||
22 | |||
23 | See usbdrv.h for a description of the entire driver. | ||
24 | |||
25 | LIMITATIONS | ||
26 | =========== | ||
27 | Although it may seem very handy to save the crystal and use the internal | ||
28 | RC oscillator of the CPU, this method (and this module) has some serious | ||
29 | limitations: | ||
30 | (1) The guaranteed calibration range of the oscillator is only 8.1 MHz. | ||
31 | They typical range is 14.5 MHz and most AVRs can actually reach this rate. | ||
32 | (2) Writing EEPROM and Flash may be unreliable (short data lifetime) since | ||
33 | the write procedure is timed from the RC oscillator. | ||
34 | (3) End Of Packet detection (SE0) should be in bit 1, bit it is only checked | ||
35 | if bits 0 and 1 both read as 0 on D- and D+ read as 0 in the middle. This may | ||
36 | cause problems with old hubs which delay SE0 by up to one cycle. | ||
37 | (4) Code size is much larger than that of the other modules. | ||
38 | |||
39 | Since almost all of this code is timing critical, don't change unless you | ||
40 | really know what you are doing! Many parts require not only a maximum number | ||
41 | of CPU cycles, but even an exact number of cycles! | ||
42 | |||
43 | Implementation notes: | ||
44 | ====================== | ||
45 | min frequency: 67 cycles for 8 bit -> 12.5625 MHz | ||
46 | max frequency: 69.286 cycles for 8 bit -> 12.99 MHz | ||
47 | nominal frequency: 12.77 MHz ( = sqrt(min * max)) | ||
48 | |||
49 | sampling positions: (next even number in range [+/- 0.5]) | ||
50 | cycle index range: 0 ... 66 | ||
51 | bits: | ||
52 | .5, 8.875, 17.25, 25.625, 34, 42.375, 50.75, 59.125 | ||
53 | [0/1], [9], [17], [25/+26], [34], [+42/43], [51], [59] | ||
54 | |||
55 | bit number: 0 1 2 3 4 5 6 7 | ||
56 | spare cycles 1 2 1 2 1 1 1 0 | ||
57 | |||
58 | operations to perform: duration cycle | ||
59 | ---------------- | ||
60 | eor fix, shift 1 -> 00 | ||
61 | andi phase, USBMASK 1 -> 08 | ||
62 | breq se0 1 -> 16 (moved to 11) | ||
63 | st y+, data 2 -> 24, 25 | ||
64 | mov data, fix 1 -> 33 | ||
65 | ser data 1 -> 41 | ||
66 | subi cnt, 1 1 -> 49 | ||
67 | brcs overflow 1 -> 50 | ||
68 | |||
69 | layout of samples and operations: | ||
70 | [##] = sample bit | ||
71 | <##> = sample phase | ||
72 | *##* = operation | ||
73 | |||
74 | 0: *00* [01] 02 03 04 <05> 06 07 | ||
75 | 1: *08* [09] 10 11 12 <13> 14 15 *16* | ||
76 | 2: [17] 18 19 20 <21> 22 23 | ||
77 | 3: *24* *25* [26] 27 28 29 <30> 31 32 | ||
78 | 4: *33* [34] 35 36 37 <38> 39 40 | ||
79 | 5: *41* [42] 43 44 45 <46> 47 48 | ||
80 | 6: *49* *50* [51] 52 53 54 <55> 56 57 58 | ||
81 | 7: [59] 60 61 62 <63> 64 65 66 | ||
82 | *****************************************************************************/ | ||
83 | |||
84 | /* we prefer positive expressions (do if condition) instead of negative | ||
85 | * (skip if condition), therefore use defines for skip instructions: | ||
86 | */ | ||
87 | #define ifioclr sbis | ||
88 | #define ifioset sbic | ||
89 | #define ifrclr sbrs | ||
90 | #define ifrset sbrc | ||
91 | |||
92 | /* The registers "fix" and "data" swap their meaning during the loop. Use | ||
93 | * defines to keep their name constant. | ||
94 | */ | ||
95 | #define fix x2 | ||
96 | #define data x1 | ||
97 | #undef phase /* phase has a default definition to x4 */ | ||
98 | #define phase x3 | ||
99 | |||
100 | |||
101 | USB_INTR_VECTOR: | ||
102 | ;order of registers pushed: YL, SREG [sofError], YH, shift, x1, x2, x3, cnt, r0 | ||
103 | push YL ;2 push only what is necessary to sync with edge ASAP | ||
104 | in YL, SREG ;1 | ||
105 | push YL ;2 | ||
106 | ;---------------------------------------------------------------------------- | ||
107 | ; Synchronize with sync pattern: | ||
108 | ;---------------------------------------------------------------------------- | ||
109 | ;sync byte (D-) pattern LSb to MSb: 01010100 [1 = idle = J, 0 = K] | ||
110 | ;sync up with J to K edge during sync pattern -- use fastest possible loops | ||
111 | ;The first part waits at most 1 bit long since we must be in sync pattern. | ||
112 | ;YL is guarenteed to be < 0x80 because I flag is clear. When we jump to | ||
113 | ;waitForJ, ensure that this prerequisite is met. | ||
114 | waitForJ: | ||
115 | inc YL | ||
116 | sbis USBIN, USBMINUS | ||
117 | brne waitForJ ; just make sure we have ANY timeout | ||
118 | waitForK: | ||
119 | ;The following code results in a sampling window of 1/4 bit which meets the spec. | ||
120 | sbis USBIN, USBMINUS | ||
121 | rjmp foundK | ||
122 | sbis USBIN, USBMINUS | ||
123 | rjmp foundK | ||
124 | sbis USBIN, USBMINUS | ||
125 | rjmp foundK | ||
126 | sbis USBIN, USBMINUS | ||
127 | rjmp foundK | ||
128 | sbis USBIN, USBMINUS ;[0] | ||
129 | rjmp foundK ;[1] | ||
130 | #if USB_COUNT_SOF | ||
131 | lds YL, usbSofCount | ||
132 | inc YL | ||
133 | sts usbSofCount, YL | ||
134 | #endif /* USB_COUNT_SOF */ | ||
135 | #ifdef USB_SOF_HOOK | ||
136 | USB_SOF_HOOK | ||
137 | #endif | ||
138 | rjmp sofError | ||
139 | |||
140 | foundK: | ||
141 | ;{3, 5} after falling D- edge, average delay: 4 cycles [we want 4 for center sampling] | ||
142 | ;we have 1 bit time for setup purposes, then sample again. Numbers in brackets | ||
143 | ;are cycles from center of first sync (double K) bit after the instruction | ||
144 | push YH ;[2] | ||
145 | lds YL, usbInputBufOffset;[4] | ||
146 | clr YH ;[6] | ||
147 | subi YL, lo8(-(usbRxBuf));[7] | ||
148 | sbci YH, hi8(-(usbRxBuf));[8] | ||
149 | |||
150 | sbis USBIN, USBMINUS ;[9] we want two bits K [we want to sample at 8 + 4 - 1.5 = 10.5] | ||
151 | rjmp haveTwoBitsK ;[10] | ||
152 | pop YH ;[11] undo the push from before | ||
153 | rjmp waitForK ;[13] this was not the end of sync, retry | ||
154 | haveTwoBitsK: | ||
155 | ;---------------------------------------------------------------------------- | ||
156 | ; push more registers and initialize values while we sample the first bits: | ||
157 | ;---------------------------------------------------------------------------- | ||
158 | #define fix x2 | ||
159 | #define data x1 | ||
160 | |||
161 | push shift ;[12] | ||
162 | push x1 ;[14] | ||
163 | push x2 ;[16] | ||
164 | ldi shift, 0x80 ;[18] prevent bit-unstuffing but init low bits to 0 | ||
165 | ifioset USBIN, USBMINUS ;[19] [01] <--- bit 0 [10.5 + 8 = 18.5] | ||
166 | ori shift, 1<<0 ;[02] | ||
167 | push x3 ;[03] | ||
168 | push cnt ;[05] | ||
169 | push r0 ;[07] | ||
170 | ifioset USBIN, USBMINUS ;[09] <--- bit 1 | ||
171 | ori shift, 1<<1 ;[10] | ||
172 | ser fix ;[11] | ||
173 | ldi cnt, USB_BUFSIZE ;[12] | ||
174 | mov data, shift ;[13] | ||
175 | lsl shift ;[14] | ||
176 | nop2 ;[15] | ||
177 | ifioset USBIN, USBMINUS ;[17] <--- bit 2 | ||
178 | ori data, 3<<2 ;[18] store in bit 2 AND bit 3 | ||
179 | eor shift, data ;[19] do nrzi decoding | ||
180 | andi data, 1<<3 ;[20] | ||
181 | in phase, USBIN ;[21] <- phase | ||
182 | brne jumpToEntryAfterSet ;[22] if USBMINS at bit 3 was 1 | ||
183 | nop ;[23] | ||
184 | rjmp entryAfterClr ;[24] | ||
185 | jumpToEntryAfterSet: | ||
186 | rjmp entryAfterSet ;[24] | ||
187 | |||
188 | ;---------------------------------------------------------------------------- | ||
189 | ; Receiver loop (numbers in brackets are cycles within byte after instr) | ||
190 | ;---------------------------------------------------------------------------- | ||
191 | #undef fix | ||
192 | #define fix x1 | ||
193 | #undef data | ||
194 | #define data x2 | ||
195 | |||
196 | bit7IsSet: | ||
197 | ifrclr phase, USBMINUS ;[62] check phase only if D- changed | ||
198 | lpm ;[63] | ||
199 | in phase, USBIN ;[64] <- phase (one cycle too late) | ||
200 | ori shift, 1 << 7 ;[65] | ||
201 | nop ;[66] | ||
202 | ;;;;rjmp bit0AfterSet ; -> [00] == [67] moved block up to save jump | ||
203 | bit0AfterSet: | ||
204 | eor fix, shift ;[00] | ||
205 | #undef fix | ||
206 | #define fix x2 | ||
207 | #undef data | ||
208 | #define data x1 /* we now have result in data, fix is reset to 0xff */ | ||
209 | ifioclr USBIN, USBMINUS ;[01] <--- sample 0 | ||
210 | rjmp bit0IsClr ;[02] | ||
211 | andi shift, ~(7 << 0) ;[03] | ||
212 | breq unstuff0s ;[04] | ||
213 | in phase, USBIN ;[05] <- phase | ||
214 | rjmp bit1AfterSet ;[06] | ||
215 | unstuff0s: | ||
216 | in phase, USBIN ;[06] <- phase (one cycle too late) | ||
217 | andi fix, ~(1 << 0) ;[07] | ||
218 | ifioclr USBIN, USBMINUS ;[00] | ||
219 | ifioset USBIN, USBPLUS ;[01] | ||
220 | rjmp bit0IsClr ;[02] executed if first expr false or second true | ||
221 | se0AndStore: ; executed only if both bits 0 | ||
222 | st y+, x1 ;[15/17] cycles after start of byte | ||
223 | rjmp se0 ;[17/19] | ||
224 | |||
225 | bit0IsClr: | ||
226 | ifrset phase, USBMINUS ;[04] check phase only if D- changed | ||
227 | lpm ;[05] | ||
228 | in phase, USBIN ;[06] <- phase (one cycle too late) | ||
229 | ori shift, 1 << 0 ;[07] | ||
230 | bit1AfterClr: | ||
231 | andi phase, USBMASK ;[08] | ||
232 | ifioset USBIN, USBMINUS ;[09] <--- sample 1 | ||
233 | rjmp bit1IsSet ;[10] | ||
234 | breq se0AndStore ;[11] if D- was 0 in bits 0 AND 1 and D+ was 0 in between, we have SE0 | ||
235 | andi shift, ~(7 << 1) ;[12] | ||
236 | in phase, USBIN ;[13] <- phase | ||
237 | breq unstuff1c ;[14] | ||
238 | rjmp bit2AfterClr ;[15] | ||
239 | unstuff1c: | ||
240 | andi fix, ~(1 << 1) ;[16] | ||
241 | nop2 ;[08] | ||
242 | nop2 ;[10] | ||
243 | bit1IsSet: | ||
244 | ifrclr phase, USBMINUS ;[12] check phase only if D- changed | ||
245 | lpm ;[13] | ||
246 | in phase, USBIN ;[14] <- phase (one cycle too late) | ||
247 | ori shift, 1 << 1 ;[15] | ||
248 | nop ;[16] | ||
249 | bit2AfterSet: | ||
250 | ifioclr USBIN, USBMINUS ;[17] <--- sample 2 | ||
251 | rjmp bit2IsClr ;[18] | ||
252 | andi shift, ~(7 << 2) ;[19] | ||
253 | breq unstuff2s ;[20] | ||
254 | in phase, USBIN ;[21] <- phase | ||
255 | rjmp bit3AfterSet ;[22] | ||
256 | unstuff2s: | ||
257 | in phase, USBIN ;[22] <- phase (one cycle too late) | ||
258 | andi fix, ~(1 << 2) ;[23] | ||
259 | nop2 ;[16] | ||
260 | nop2 ;[18] | ||
261 | bit2IsClr: | ||
262 | ifrset phase, USBMINUS ;[20] check phase only if D- changed | ||
263 | lpm ;[21] | ||
264 | in phase, USBIN ;[22] <- phase (one cycle too late) | ||
265 | ori shift, 1 << 2 ;[23] | ||
266 | bit3AfterClr: | ||
267 | st y+, data ;[24] | ||
268 | entryAfterClr: | ||
269 | ifioset USBIN, USBMINUS ;[26] <--- sample 3 | ||
270 | rjmp bit3IsSet ;[27] | ||
271 | andi shift, ~(7 << 3) ;[28] | ||
272 | breq unstuff3c ;[29] | ||
273 | in phase, USBIN ;[30] <- phase | ||
274 | rjmp bit4AfterClr ;[31] | ||
275 | unstuff3c: | ||
276 | in phase, USBIN ;[31] <- phase (one cycle too late) | ||
277 | andi fix, ~(1 << 3) ;[32] | ||
278 | nop2 ;[25] | ||
279 | nop2 ;[27] | ||
280 | bit3IsSet: | ||
281 | ifrclr phase, USBMINUS ;[29] check phase only if D- changed | ||
282 | lpm ;[30] | ||
283 | in phase, USBIN ;[31] <- phase (one cycle too late) | ||
284 | ori shift, 1 << 3 ;[32] | ||
285 | bit4AfterSet: | ||
286 | mov data, fix ;[33] undo this move by swapping defines | ||
287 | #undef fix | ||
288 | #define fix x1 | ||
289 | #undef data | ||
290 | #define data x2 | ||
291 | ifioclr USBIN, USBMINUS ;[34] <--- sample 4 | ||
292 | rjmp bit4IsClr ;[35] | ||
293 | andi shift, ~(7 << 4) ;[36] | ||
294 | breq unstuff4s ;[37] | ||
295 | in phase, USBIN ;[38] <- phase | ||
296 | rjmp bit5AfterSet ;[39] | ||
297 | unstuff4s: | ||
298 | in phase, USBIN ;[39] <- phase (one cycle too late) | ||
299 | andi fix, ~(1 << 4) ;[40] | ||
300 | nop2 ;[33] | ||
301 | nop2 ;[35] | ||
302 | bit4IsClr: | ||
303 | ifrset phase, USBMINUS ;[37] check phase only if D- changed | ||
304 | lpm ;[38] | ||
305 | in phase, USBIN ;[39] <- phase (one cycle too late) | ||
306 | ori shift, 1 << 4 ;[40] | ||
307 | bit5AfterClr: | ||
308 | ser data ;[41] | ||
309 | ifioset USBIN, USBMINUS ;[42] <--- sample 5 | ||
310 | rjmp bit5IsSet ;[43] | ||
311 | andi shift, ~(7 << 5) ;[44] | ||
312 | breq unstuff5c ;[45] | ||
313 | in phase, USBIN ;[46] <- phase | ||
314 | rjmp bit6AfterClr ;[47] | ||
315 | unstuff5c: | ||
316 | in phase, USBIN ;[47] <- phase (one cycle too late) | ||
317 | andi fix, ~(1 << 5) ;[48] | ||
318 | nop2 ;[41] | ||
319 | nop2 ;[43] | ||
320 | bit5IsSet: | ||
321 | ifrclr phase, USBMINUS ;[45] check phase only if D- changed | ||
322 | lpm ;[46] | ||
323 | in phase, USBIN ;[47] <- phase (one cycle too late) | ||
324 | ori shift, 1 << 5 ;[48] | ||
325 | bit6AfterSet: | ||
326 | subi cnt, 1 ;[49] | ||
327 | brcs jumpToOverflow ;[50] | ||
328 | ifioclr USBIN, USBMINUS ;[51] <--- sample 6 | ||
329 | rjmp bit6IsClr ;[52] | ||
330 | andi shift, ~(3 << 6) ;[53] | ||
331 | cpi shift, 2 ;[54] | ||
332 | in phase, USBIN ;[55] <- phase | ||
333 | brlt unstuff6s ;[56] | ||
334 | rjmp bit7AfterSet ;[57] | ||
335 | |||
336 | jumpToOverflow: | ||
337 | rjmp overflow | ||
338 | |||
339 | unstuff6s: | ||
340 | andi fix, ~(1 << 6) ;[50] | ||
341 | lpm ;[51] | ||
342 | bit6IsClr: | ||
343 | ifrset phase, USBMINUS ;[54] check phase only if D- changed | ||
344 | lpm ;[55] | ||
345 | in phase, USBIN ;[56] <- phase (one cycle too late) | ||
346 | ori shift, 1 << 6 ;[57] | ||
347 | nop ;[58] | ||
348 | bit7AfterClr: | ||
349 | ifioset USBIN, USBMINUS ;[59] <--- sample 7 | ||
350 | rjmp bit7IsSet ;[60] | ||
351 | andi shift, ~(1 << 7) ;[61] | ||
352 | cpi shift, 4 ;[62] | ||
353 | in phase, USBIN ;[63] <- phase | ||
354 | brlt unstuff7c ;[64] | ||
355 | rjmp bit0AfterClr ;[65] -> [00] == [67] | ||
356 | unstuff7c: | ||
357 | andi fix, ~(1 << 7) ;[58] | ||
358 | nop ;[59] | ||
359 | rjmp bit7IsSet ;[60] | ||
360 | |||
361 | bit7IsClr: | ||
362 | ifrset phase, USBMINUS ;[62] check phase only if D- changed | ||
363 | lpm ;[63] | ||
364 | in phase, USBIN ;[64] <- phase (one cycle too late) | ||
365 | ori shift, 1 << 7 ;[65] | ||
366 | nop ;[66] | ||
367 | ;;;;rjmp bit0AfterClr ; -> [00] == [67] moved block up to save jump | ||
368 | bit0AfterClr: | ||
369 | eor fix, shift ;[00] | ||
370 | #undef fix | ||
371 | #define fix x2 | ||
372 | #undef data | ||
373 | #define data x1 /* we now have result in data, fix is reset to 0xff */ | ||
374 | ifioset USBIN, USBMINUS ;[01] <--- sample 0 | ||
375 | rjmp bit0IsSet ;[02] | ||
376 | andi shift, ~(7 << 0) ;[03] | ||
377 | breq unstuff0c ;[04] | ||
378 | in phase, USBIN ;[05] <- phase | ||
379 | rjmp bit1AfterClr ;[06] | ||
380 | unstuff0c: | ||
381 | in phase, USBIN ;[06] <- phase (one cycle too late) | ||
382 | andi fix, ~(1 << 0) ;[07] | ||
383 | ifioclr USBIN, USBMINUS ;[00] | ||
384 | ifioset USBIN, USBPLUS ;[01] | ||
385 | rjmp bit0IsSet ;[02] executed if first expr false or second true | ||
386 | rjmp se0AndStore ;[03] executed only if both bits 0 | ||
387 | bit0IsSet: | ||
388 | ifrclr phase, USBMINUS ;[04] check phase only if D- changed | ||
389 | lpm ;[05] | ||
390 | in phase, USBIN ;[06] <- phase (one cycle too late) | ||
391 | ori shift, 1 << 0 ;[07] | ||
392 | bit1AfterSet: | ||
393 | andi shift, ~(7 << 1) ;[08] compensated by "ori shift, 1<<1" if bit1IsClr | ||
394 | ifioclr USBIN, USBMINUS ;[09] <--- sample 1 | ||
395 | rjmp bit1IsClr ;[10] | ||
396 | breq unstuff1s ;[11] | ||
397 | nop2 ;[12] do not check for SE0 if bit 0 was 1 | ||
398 | in phase, USBIN ;[14] <- phase (one cycle too late) | ||
399 | rjmp bit2AfterSet ;[15] | ||
400 | unstuff1s: | ||
401 | in phase, USBIN ;[13] <- phase | ||
402 | andi fix, ~(1 << 1) ;[14] | ||
403 | lpm ;[07] | ||
404 | nop2 ;[10] | ||
405 | bit1IsClr: | ||
406 | ifrset phase, USBMINUS ;[12] check phase only if D- changed | ||
407 | lpm ;[13] | ||
408 | in phase, USBIN ;[14] <- phase (one cycle too late) | ||
409 | ori shift, 1 << 1 ;[15] | ||
410 | nop ;[16] | ||
411 | bit2AfterClr: | ||
412 | ifioset USBIN, USBMINUS ;[17] <--- sample 2 | ||
413 | rjmp bit2IsSet ;[18] | ||
414 | andi shift, ~(7 << 2) ;[19] | ||
415 | breq unstuff2c ;[20] | ||
416 | in phase, USBIN ;[21] <- phase | ||
417 | rjmp bit3AfterClr ;[22] | ||
418 | unstuff2c: | ||
419 | in phase, USBIN ;[22] <- phase (one cycle too late) | ||
420 | andi fix, ~(1 << 2) ;[23] | ||
421 | nop2 ;[16] | ||
422 | nop2 ;[18] | ||
423 | bit2IsSet: | ||
424 | ifrclr phase, USBMINUS ;[20] check phase only if D- changed | ||
425 | lpm ;[21] | ||
426 | in phase, USBIN ;[22] <- phase (one cycle too late) | ||
427 | ori shift, 1 << 2 ;[23] | ||
428 | bit3AfterSet: | ||
429 | st y+, data ;[24] | ||
430 | entryAfterSet: | ||
431 | ifioclr USBIN, USBMINUS ;[26] <--- sample 3 | ||
432 | rjmp bit3IsClr ;[27] | ||
433 | andi shift, ~(7 << 3) ;[28] | ||
434 | breq unstuff3s ;[29] | ||
435 | in phase, USBIN ;[30] <- phase | ||
436 | rjmp bit4AfterSet ;[31] | ||
437 | unstuff3s: | ||
438 | in phase, USBIN ;[31] <- phase (one cycle too late) | ||
439 | andi fix, ~(1 << 3) ;[32] | ||
440 | nop2 ;[25] | ||
441 | nop2 ;[27] | ||
442 | bit3IsClr: | ||
443 | ifrset phase, USBMINUS ;[29] check phase only if D- changed | ||
444 | lpm ;[30] | ||
445 | in phase, USBIN ;[31] <- phase (one cycle too late) | ||
446 | ori shift, 1 << 3 ;[32] | ||
447 | bit4AfterClr: | ||
448 | mov data, fix ;[33] undo this move by swapping defines | ||
449 | #undef fix | ||
450 | #define fix x1 | ||
451 | #undef data | ||
452 | #define data x2 | ||
453 | ifioset USBIN, USBMINUS ;[34] <--- sample 4 | ||
454 | rjmp bit4IsSet ;[35] | ||
455 | andi shift, ~(7 << 4) ;[36] | ||
456 | breq unstuff4c ;[37] | ||
457 | in phase, USBIN ;[38] <- phase | ||
458 | rjmp bit5AfterClr ;[39] | ||
459 | unstuff4c: | ||
460 | in phase, USBIN ;[39] <- phase (one cycle too late) | ||
461 | andi fix, ~(1 << 4) ;[40] | ||
462 | nop2 ;[33] | ||
463 | nop2 ;[35] | ||
464 | bit4IsSet: | ||
465 | ifrclr phase, USBMINUS ;[37] check phase only if D- changed | ||
466 | lpm ;[38] | ||
467 | in phase, USBIN ;[39] <- phase (one cycle too late) | ||
468 | ori shift, 1 << 4 ;[40] | ||
469 | bit5AfterSet: | ||
470 | ser data ;[41] | ||
471 | ifioclr USBIN, USBMINUS ;[42] <--- sample 5 | ||
472 | rjmp bit5IsClr ;[43] | ||
473 | andi shift, ~(7 << 5) ;[44] | ||
474 | breq unstuff5s ;[45] | ||
475 | in phase, USBIN ;[46] <- phase | ||
476 | rjmp bit6AfterSet ;[47] | ||
477 | unstuff5s: | ||
478 | in phase, USBIN ;[47] <- phase (one cycle too late) | ||
479 | andi fix, ~(1 << 5) ;[48] | ||
480 | nop2 ;[41] | ||
481 | nop2 ;[43] | ||
482 | bit5IsClr: | ||
483 | ifrset phase, USBMINUS ;[45] check phase only if D- changed | ||
484 | lpm ;[46] | ||
485 | in phase, USBIN ;[47] <- phase (one cycle too late) | ||
486 | ori shift, 1 << 5 ;[48] | ||
487 | bit6AfterClr: | ||
488 | subi cnt, 1 ;[49] | ||
489 | brcs overflow ;[50] | ||
490 | ifioset USBIN, USBMINUS ;[51] <--- sample 6 | ||
491 | rjmp bit6IsSet ;[52] | ||
492 | andi shift, ~(3 << 6) ;[53] | ||
493 | cpi shift, 2 ;[54] | ||
494 | in phase, USBIN ;[55] <- phase | ||
495 | brlt unstuff6c ;[56] | ||
496 | rjmp bit7AfterClr ;[57] | ||
497 | unstuff6c: | ||
498 | andi fix, ~(1 << 6) ;[50] | ||
499 | lpm ;[51] | ||
500 | bit6IsSet: | ||
501 | ifrclr phase, USBMINUS ;[54] check phase only if D- changed | ||
502 | lpm ;[55] | ||
503 | in phase, USBIN ;[56] <- phase (one cycle too late) | ||
504 | ori shift, 1 << 6 ;[57] | ||
505 | bit7AfterSet: | ||
506 | ifioclr USBIN, USBMINUS ;[59] <--- sample 7 | ||
507 | rjmp bit7IsClr ;[60] | ||
508 | andi shift, ~(1 << 7) ;[61] | ||
509 | cpi shift, 4 ;[62] | ||
510 | in phase, USBIN ;[63] <- phase | ||
511 | brlt unstuff7s ;[64] | ||
512 | rjmp bit0AfterSet ;[65] -> [00] == [67] | ||
513 | unstuff7s: | ||
514 | andi fix, ~(1 << 7) ;[58] | ||
515 | nop ;[59] | ||
516 | rjmp bit7IsClr ;[60] | ||
517 | |||
518 | macro POP_STANDARD ; 14 cycles | ||
519 | pop r0 | ||
520 | pop cnt | ||
521 | pop x3 | ||
522 | pop x2 | ||
523 | pop x1 | ||
524 | pop shift | ||
525 | pop YH | ||
526 | endm | ||
527 | macro POP_RETI ; 5 cycles | ||
528 | pop YL | ||
529 | out SREG, YL | ||
530 | pop YL | ||
531 | endm | ||
532 | |||
533 | #include "asmcommon.inc" | ||
534 | |||
535 | ;---------------------------------------------------------------------------- | ||
536 | ; Transmitting data | ||
537 | ;---------------------------------------------------------------------------- | ||
538 | |||
539 | txByteLoop: | ||
540 | txBitloop: | ||
541 | stuffN1Delay: ; [03] | ||
542 | ror shift ;[-5] [11] [63] | ||
543 | brcc doExorN1 ;[-4] [64] | ||
544 | subi x3, 1 ;[-3] | ||
545 | brne commonN1 ;[-2] | ||
546 | lsl shift ;[-1] compensate ror after rjmp stuffDelay | ||
547 | nop ;[00] stuffing consists of just waiting 8 cycles | ||
548 | rjmp stuffN1Delay ;[01] after ror, C bit is reliably clear | ||
549 | |||
550 | sendNakAndReti: | ||
551 | ldi cnt, USBPID_NAK ;[-19] | ||
552 | rjmp sendCntAndReti ;[-18] | ||
553 | sendAckAndReti: | ||
554 | ldi cnt, USBPID_ACK ;[-17] | ||
555 | sendCntAndReti: | ||
556 | mov r0, cnt ;[-16] | ||
557 | ldi YL, 0 ;[-15] R0 address is 0 | ||
558 | ldi YH, 0 ;[-14] | ||
559 | ldi cnt, 2 ;[-13] | ||
560 | ; rjmp usbSendAndReti fallthrough | ||
561 | |||
562 | ; USB spec says: | ||
563 | ; idle = J | ||
564 | ; J = (D+ = 0), (D- = 1) or USBOUT = 0x01 | ||
565 | ; K = (D+ = 1), (D- = 0) or USBOUT = 0x02 | ||
566 | ; Spec allows 7.5 bit times from EOP to SOP for replies (= 60 cycles) | ||
567 | |||
568 | ;usbSend: | ||
569 | ;pointer to data in 'Y' | ||
570 | ;number of bytes in 'cnt' -- including sync byte | ||
571 | ;uses: x1...x3, shift, cnt, Y [x1 = mirror USBOUT, x2 = USBMASK, x3 = bitstuff cnt] | ||
572 | ;Numbers in brackets are time since first bit of sync pattern is sent (start of instruction) | ||
573 | usbSendAndReti: | ||
574 | in x2, USBDDR ;[-10] 10 cycles until SOP | ||
575 | ori x2, USBMASK ;[-9] | ||
576 | sbi USBOUT, USBMINUS ;[-8] prepare idle state; D+ and D- must have been 0 (no pullups) | ||
577 | out USBDDR, x2 ;[-6] <--- acquire bus | ||
578 | in x1, USBOUT ;[-5] port mirror for tx loop | ||
579 | ldi shift, 0x40 ;[-4] sync byte is first byte sent (we enter loop after ror) | ||
580 | ldi x2, USBMASK ;[-3] | ||
581 | doExorN1: | ||
582 | eor x1, x2 ;[-2] [06] [62] | ||
583 | ldi x3, 6 ;[-1] [07] [63] | ||
584 | commonN1: | ||
585 | stuffN2Delay: | ||
586 | out USBOUT, x1 ;[00] [08] [64] <--- set bit | ||
587 | ror shift ;[01] | ||
588 | brcc doExorN2 ;[02] | ||
589 | subi x3, 1 ;[03] | ||
590 | brne commonN2 ;[04] | ||
591 | lsl shift ;[05] compensate ror after rjmp stuffDelay | ||
592 | rjmp stuffN2Delay ;[06] after ror, C bit is reliably clear | ||
593 | doExorN2: | ||
594 | eor x1, x2 ;[04] [12] | ||
595 | ldi x3, 6 ;[05] [13] | ||
596 | commonN2: | ||
597 | nop2 ;[06] [14] | ||
598 | subi cnt, 171 ;[08] [16] trick: (3 * 171) & 0xff = 1 | ||
599 | out USBOUT, x1 ;[09] [17] <--- set bit | ||
600 | brcs txBitloop ;[10] [27] [44] | ||
601 | |||
602 | stuff6Delay: | ||
603 | ror shift ;[45] [53] | ||
604 | brcc doExor6 ;[46] | ||
605 | subi x3, 1 ;[47] | ||
606 | brne common6 ;[48] | ||
607 | lsl shift ;[49] compensate ror after rjmp stuffDelay | ||
608 | nop ;[50] stuffing consists of just waiting 8 cycles | ||
609 | rjmp stuff6Delay ;[51] after ror, C bit is reliably clear | ||
610 | doExor6: | ||
611 | eor x1, x2 ;[48] [56] | ||
612 | ldi x3, 6 ;[49] | ||
613 | common6: | ||
614 | stuff7Delay: | ||
615 | ror shift ;[50] [58] | ||
616 | out USBOUT, x1 ;[51] <--- set bit | ||
617 | brcc doExor7 ;[52] | ||
618 | subi x3, 1 ;[53] | ||
619 | brne common7 ;[54] | ||
620 | lsl shift ;[55] compensate ror after rjmp stuffDelay | ||
621 | rjmp stuff7Delay ;[56] after ror, C bit is reliably clear | ||
622 | doExor7: | ||
623 | eor x1, x2 ;[54] [62] | ||
624 | ldi x3, 6 ;[55] | ||
625 | common7: | ||
626 | ld shift, y+ ;[56] | ||
627 | nop ;[58] | ||
628 | tst cnt ;[59] | ||
629 | out USBOUT, x1 ;[60] [00]<--- set bit | ||
630 | brne txByteLoop ;[61] [01] | ||
631 | ;make SE0: | ||
632 | cbr x1, USBMASK ;[02] prepare SE0 [spec says EOP may be 15 to 18 cycles] | ||
633 | lds x2, usbNewDeviceAddr;[03] | ||
634 | lsl x2 ;[05] we compare with left shifted address | ||
635 | subi YL, 2 + 0 ;[06] Only assign address on data packets, not ACK/NAK in r0 | ||
636 | sbci YH, 0 ;[07] | ||
637 | out USBOUT, x1 ;[00] <-- out SE0 -- from now 2 bits = 16 cycles until bus idle | ||
638 | ;2006-03-06: moved transfer of new address to usbDeviceAddr from C-Code to asm: | ||
639 | ;set address only after data packet was sent, not after handshake | ||
640 | breq skipAddrAssign ;[01] | ||
641 | sts usbDeviceAddr, x2 ; if not skipped: SE0 is one cycle longer | ||
642 | skipAddrAssign: | ||
643 | ;end of usbDeviceAddress transfer | ||
644 | ldi x2, 1<<USB_INTR_PENDING_BIT;[03] int0 occurred during TX -- clear pending flag | ||
645 | USB_STORE_PENDING(x2) ;[04] | ||
646 | ori x1, USBIDLE ;[05] | ||
647 | in x2, USBDDR ;[06] | ||
648 | cbr x2, USBMASK ;[07] set both pins to input | ||
649 | mov x3, x1 ;[08] | ||
650 | cbr x3, USBMASK ;[09] configure no pullup on both pins | ||
651 | lpm ;[10] | ||
652 | lpm ;[13] | ||
653 | out USBOUT, x1 ;[16] <-- out J (idle) -- end of SE0 (EOP signal) | ||
654 | out USBDDR, x2 ;[17] <-- release bus now | ||
655 | out USBOUT, x3 ;[18] <-- ensure no pull-up resistors are active | ||
656 | rjmp doReturn | ||
657 | |||
658 | |||
659 | |||
660 | /***************************************************************************** | ||
661 | The following PHP script generates a code skeleton for the receiver routine: | ||
662 | |||
663 | <?php | ||
664 | |||
665 | function printCmdBuffer($thisBit) | ||
666 | { | ||
667 | global $cycle; | ||
668 | |||
669 | $nextBit = ($thisBit + 1) % 8; | ||
670 | $s = ob_get_contents(); | ||
671 | ob_end_clean(); | ||
672 | $s = str_replace("#", $thisBit, $s); | ||
673 | $s = str_replace("@", $nextBit, $s); | ||
674 | $lines = explode("\n", $s); | ||
675 | for($i = 0; $i < count($lines); $i++){ | ||
676 | $s = $lines[$i]; | ||
677 | if(ereg("\\[([0-9-][0-9])\\]", $s, $regs)){ | ||
678 | $c = $cycle + (int)$regs[1]; | ||
679 | $s = ereg_replace("\\[[0-9-][0-9]\\]", sprintf("[%02d]", $c), $s); | ||
680 | } | ||
681 | if(strlen($s) > 0) | ||
682 | echo "$s\n"; | ||
683 | } | ||
684 | } | ||
685 | |||
686 | function printBit($isAfterSet, $bitNum) | ||
687 | { | ||
688 | ob_start(); | ||
689 | if($isAfterSet){ | ||
690 | ?> | ||
691 | ifioclr USBIN, USBMINUS ;[00] <--- sample | ||
692 | rjmp bit#IsClr ;[01] | ||
693 | andi shift, ~(7 << #) ;[02] | ||
694 | breq unstuff#s ;[03] | ||
695 | in phase, USBIN ;[04] <- phase | ||
696 | rjmp bit@AfterSet ;[05] | ||
697 | unstuff#s: | ||
698 | in phase, USBIN ;[05] <- phase (one cycle too late) | ||
699 | andi fix, ~(1 << #) ;[06] | ||
700 | nop2 ;[-1] | ||
701 | nop2 ;[01] | ||
702 | bit#IsClr: | ||
703 | ifrset phase, USBMINUS ;[03] check phase only if D- changed | ||
704 | lpm ;[04] | ||
705 | in phase, USBIN ;[05] <- phase (one cycle too late) | ||
706 | ori shift, 1 << # ;[06] | ||
707 | <?php | ||
708 | }else{ | ||
709 | ?> | ||
710 | ifioset USBIN, USBMINUS ;[00] <--- sample | ||
711 | rjmp bit#IsSet ;[01] | ||
712 | andi shift, ~(7 << #) ;[02] | ||
713 | breq unstuff#c ;[03] | ||
714 | in phase, USBIN ;[04] <- phase | ||
715 | rjmp bit@AfterClr ;[05] | ||
716 | unstuff#c: | ||
717 | in phase, USBIN ;[05] <- phase (one cycle too late) | ||
718 | andi fix, ~(1 << #) ;[06] | ||
719 | nop2 ;[-1] | ||
720 | nop2 ;[01] | ||
721 | bit#IsSet: | ||
722 | ifrclr phase, USBMINUS ;[03] check phase only if D- changed | ||
723 | lpm ;[04] | ||
724 | in phase, USBIN ;[05] <- phase (one cycle too late) | ||
725 | ori shift, 1 << # ;[06] | ||
726 | <?php | ||
727 | } | ||
728 | printCmdBuffer($bitNum); | ||
729 | } | ||
730 | |||
731 | $bitStartCycles = array(1, 9, 17, 26, 34, 42, 51, 59); | ||
732 | for($i = 0; $i < 16; $i++){ | ||
733 | $bit = $i % 8; | ||
734 | $emitClrCode = ($i + (int)($i / 8)) % 2; | ||
735 | $cycle = $bitStartCycles[$bit]; | ||
736 | if($emitClrCode){ | ||
737 | printf("bit%dAfterClr:\n", $bit); | ||
738 | }else{ | ||
739 | printf("bit%dAfterSet:\n", $bit); | ||
740 | } | ||
741 | ob_start(); | ||
742 | echo " ***** ;[-1]\n"; | ||
743 | printCmdBuffer($bit); | ||
744 | printBit(!$emitClrCode, $bit); | ||
745 | if($i == 7) | ||
746 | echo "\n"; | ||
747 | } | ||
748 | |||
749 | ?> | ||
750 | *****************************************************************************/ | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/usbdrvasm15.inc b/tmk_core/protocol/vusb/usbdrv/usbdrvasm15.inc deleted file mode 100644 index 401b7f8ff..000000000 --- a/tmk_core/protocol/vusb/usbdrv/usbdrvasm15.inc +++ /dev/null | |||
@@ -1,423 +0,0 @@ | |||
1 | /* Name: usbdrvasm15.inc | ||
2 | * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers | ||
3 | * Author: contributed by V. Bosch | ||
4 | * Creation Date: 2007-08-06 | ||
5 | * Tabsize: 4 | ||
6 | * Copyright: (c) 2007 by OBJECTIVE DEVELOPMENT Software GmbH | ||
7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
8 | * Revision: $Id: usbdrvasm15.inc 740 2009-04-13 18:23:31Z cs $ | ||
9 | */ | ||
10 | |||
11 | /* Do not link this file! Link usbdrvasm.S instead, which includes the | ||
12 | * appropriate implementation! | ||
13 | */ | ||
14 | |||
15 | /* | ||
16 | General Description: | ||
17 | This file is the 15 MHz version of the asssembler part of the USB driver. It | ||
18 | requires a 15 MHz crystal (not a ceramic resonator and not a calibrated RC | ||
19 | oscillator). | ||
20 | |||
21 | See usbdrv.h for a description of the entire driver. | ||
22 | |||
23 | Since almost all of this code is timing critical, don't change unless you | ||
24 | really know what you are doing! Many parts require not only a maximum number | ||
25 | of CPU cycles, but even an exact number of cycles! | ||
26 | */ | ||
27 | |||
28 | ;max stack usage: [ret(2), YL, SREG, YH, bitcnt, shift, x1, x2, x3, x4, cnt] = 12 bytes | ||
29 | ;nominal frequency: 15 MHz -> 10.0 cycles per bit, 80.0 cycles per byte | ||
30 | ; Numbers in brackets are clocks counted from center of last sync bit | ||
31 | ; when instruction starts | ||
32 | |||
33 | ;---------------------------------------------------------------------------- | ||
34 | ; order of registers pushed: | ||
35 | ; YL, SREG [sofError] YH, shift, x1, x2, x3, bitcnt, cnt, x4 | ||
36 | ;---------------------------------------------------------------------------- | ||
37 | USB_INTR_VECTOR: | ||
38 | push YL ;2 push only what is necessary to sync with edge ASAP | ||
39 | in YL, SREG ;1 | ||
40 | push YL ;2 | ||
41 | ;---------------------------------------------------------------------------- | ||
42 | ; Synchronize with sync pattern: | ||
43 | ; | ||
44 | ; sync byte (D-) pattern LSb to MSb: 01010100 [1 = idle = J, 0 = K] | ||
45 | ; sync up with J to K edge during sync pattern -- use fastest possible loops | ||
46 | ;The first part waits at most 1 bit long since we must be in sync pattern. | ||
47 | ;YL is guarenteed to be < 0x80 because I flag is clear. When we jump to | ||
48 | ;waitForJ, ensure that this prerequisite is met. | ||
49 | waitForJ: | ||
50 | inc YL | ||
51 | sbis USBIN, USBMINUS | ||
52 | brne waitForJ ; just make sure we have ANY timeout | ||
53 | ;------------------------------------------------------------------------------- | ||
54 | ; The following code results in a sampling window of < 1/4 bit | ||
55 | ; which meets the spec. | ||
56 | ;------------------------------------------------------------------------------- | ||
57 | waitForK: ;- | ||
58 | sbis USBIN, USBMINUS ;1 [00] <-- sample | ||
59 | rjmp foundK ;2 [01] | ||
60 | sbis USBIN, USBMINUS ; <-- sample | ||
61 | rjmp foundK | ||
62 | sbis USBIN, USBMINUS ; <-- sample | ||
63 | rjmp foundK | ||
64 | sbis USBIN, USBMINUS ; <-- sample | ||
65 | rjmp foundK | ||
66 | sbis USBIN, USBMINUS ; <-- sample | ||
67 | rjmp foundK | ||
68 | sbis USBIN, USBMINUS ; <-- sample | ||
69 | rjmp foundK | ||
70 | #if USB_COUNT_SOF | ||
71 | lds YL, usbSofCount | ||
72 | inc YL | ||
73 | sts usbSofCount, YL | ||
74 | #endif /* USB_COUNT_SOF */ | ||
75 | #ifdef USB_SOF_HOOK | ||
76 | USB_SOF_HOOK | ||
77 | #endif | ||
78 | rjmp sofError | ||
79 | ;------------------------------------------------------------------------------ | ||
80 | ; {3, 5} after falling D- edge, average delay: 4 cycles [we want 5 for | ||
81 | ; center sampling] | ||
82 | ; we have 1 bit time for setup purposes, then sample again. | ||
83 | ; Numbers in brackets are cycles from center of first sync (double K) | ||
84 | ; bit after the instruction | ||
85 | ;------------------------------------------------------------------------------ | ||
86 | foundK: ;- [02] | ||
87 | lds YL, usbInputBufOffset;2 [03+04] tx loop | ||
88 | push YH ;2 [05+06] | ||
89 | clr YH ;1 [07] | ||
90 | subi YL, lo8(-(usbRxBuf)) ;1 [08] [rx loop init] | ||
91 | sbci YH, hi8(-(usbRxBuf)) ;1 [09] [rx loop init] | ||
92 | push shift ;2 [10+11] | ||
93 | ser shift ;1 [12] | ||
94 | sbis USBIN, USBMINUS ;1 [-1] [13] <--sample:we want two bits K (sample 1 cycle too early) | ||
95 | rjmp haveTwoBitsK ;2 [00] [14] | ||
96 | pop shift ;2 [15+16] undo the push from before | ||
97 | pop YH ;2 [17+18] undo the push from before | ||
98 | rjmp waitForK ;2 [19+20] this was not the end of sync, retry | ||
99 | ; The entire loop from waitForK until rjmp waitForK above must not exceed two | ||
100 | ; bit times (= 20 cycles). | ||
101 | |||
102 | ;---------------------------------------------------------------------------- | ||
103 | ; push more registers and initialize values while we sample the first bits: | ||
104 | ;---------------------------------------------------------------------------- | ||
105 | haveTwoBitsK: ;- [01] | ||
106 | push x1 ;2 [02+03] | ||
107 | push x2 ;2 [04+05] | ||
108 | push x3 ;2 [06+07] | ||
109 | push bitcnt ;2 [08+09] | ||
110 | in x1, USBIN ;1 [00] [10] <-- sample bit 0 | ||
111 | bst x1, USBMINUS ;1 [01] | ||
112 | bld shift, 0 ;1 [02] | ||
113 | push cnt ;2 [03+04] | ||
114 | ldi cnt, USB_BUFSIZE ;1 [05] | ||
115 | push x4 ;2 [06+07] tx loop | ||
116 | rjmp rxLoop ;2 [08] | ||
117 | ;---------------------------------------------------------------------------- | ||
118 | ; Receiver loop (numbers in brackets are cycles within byte after instr) | ||
119 | ;---------------------------------------------------------------------------- | ||
120 | unstuff0: ;- [07] (branch taken) | ||
121 | andi x3, ~0x01 ;1 [08] | ||
122 | mov x1, x2 ;1 [09] x2 contains last sampled (stuffed) bit | ||
123 | in x2, USBIN ;1 [00] [10] <-- sample bit 1 again | ||
124 | andi x2, USBMASK ;1 [01] | ||
125 | breq se0Hop ;1 [02] SE0 check for bit 1 | ||
126 | ori shift, 0x01 ;1 [03] 0b00000001 | ||
127 | nop ;1 [04] | ||
128 | rjmp didUnstuff0 ;2 [05] | ||
129 | ;----------------------------------------------------- | ||
130 | unstuff1: ;- [05] (branch taken) | ||
131 | mov x2, x1 ;1 [06] x1 contains last sampled (stuffed) bit | ||
132 | andi x3, ~0x02 ;1 [07] | ||
133 | ori shift, 0x02 ;1 [08] 0b00000010 | ||
134 | nop ;1 [09] | ||
135 | in x1, USBIN ;1 [00] [10] <-- sample bit 2 again | ||
136 | andi x1, USBMASK ;1 [01] | ||
137 | breq se0Hop ;1 [02] SE0 check for bit 2 | ||
138 | rjmp didUnstuff1 ;2 [03] | ||
139 | ;----------------------------------------------------- | ||
140 | unstuff2: ;- [05] (branch taken) | ||
141 | andi x3, ~0x04 ;1 [06] | ||
142 | ori shift, 0x04 ;1 [07] 0b00000100 | ||
143 | mov x1, x2 ;1 [08] x2 contains last sampled (stuffed) bit | ||
144 | nop ;1 [09] | ||
145 | in x2, USBIN ;1 [00] [10] <-- sample bit 3 | ||
146 | andi x2, USBMASK ;1 [01] | ||
147 | breq se0Hop ;1 [02] SE0 check for bit 3 | ||
148 | rjmp didUnstuff2 ;2 [03] | ||
149 | ;----------------------------------------------------- | ||
150 | unstuff3: ;- [00] [10] (branch taken) | ||
151 | in x2, USBIN ;1 [01] [11] <-- sample stuffed bit 3 one cycle too late | ||
152 | andi x2, USBMASK ;1 [02] | ||
153 | breq se0Hop ;1 [03] SE0 check for stuffed bit 3 | ||
154 | andi x3, ~0x08 ;1 [04] | ||
155 | ori shift, 0x08 ;1 [05] 0b00001000 | ||
156 | rjmp didUnstuff3 ;2 [06] | ||
157 | ;---------------------------------------------------------------------------- | ||
158 | ; extra jobs done during bit interval: | ||
159 | ; | ||
160 | ; bit 0: store, clear [SE0 is unreliable here due to bit dribbling in hubs], | ||
161 | ; overflow check, jump to the head of rxLoop | ||
162 | ; bit 1: SE0 check | ||
163 | ; bit 2: SE0 check, recovery from delay [bit 0 tasks took too long] | ||
164 | ; bit 3: SE0 check, recovery from delay [bit 0 tasks took too long] | ||
165 | ; bit 4: SE0 check, none | ||
166 | ; bit 5: SE0 check, none | ||
167 | ; bit 6: SE0 check, none | ||
168 | ; bit 7: SE0 check, reconstruct: x3 is 0 at bit locations we changed, 1 at others | ||
169 | ;---------------------------------------------------------------------------- | ||
170 | rxLoop: ;- [09] | ||
171 | in x2, USBIN ;1 [00] [10] <-- sample bit 1 (or possibly bit 0 stuffed) | ||
172 | andi x2, USBMASK ;1 [01] | ||
173 | brne SkipSe0Hop ;1 [02] | ||
174 | se0Hop: ;- [02] | ||
175 | rjmp se0 ;2 [03] SE0 check for bit 1 | ||
176 | SkipSe0Hop: ;- [03] | ||
177 | ser x3 ;1 [04] | ||
178 | andi shift, 0xf9 ;1 [05] 0b11111001 | ||
179 | breq unstuff0 ;1 [06] | ||
180 | didUnstuff0: ;- [06] | ||
181 | eor x1, x2 ;1 [07] | ||
182 | bst x1, USBMINUS ;1 [08] | ||
183 | bld shift, 1 ;1 [09] | ||
184 | in x1, USBIN ;1 [00] [10] <-- sample bit 2 (or possibly bit 1 stuffed) | ||
185 | andi x1, USBMASK ;1 [01] | ||
186 | breq se0Hop ;1 [02] SE0 check for bit 2 | ||
187 | andi shift, 0xf3 ;1 [03] 0b11110011 | ||
188 | breq unstuff1 ;1 [04] do remaining work for bit 1 | ||
189 | didUnstuff1: ;- [04] | ||
190 | eor x2, x1 ;1 [05] | ||
191 | bst x2, USBMINUS ;1 [06] | ||
192 | bld shift, 2 ;1 [07] | ||
193 | nop2 ;2 [08+09] | ||
194 | in x2, USBIN ;1 [00] [10] <-- sample bit 3 (or possibly bit 2 stuffed) | ||
195 | andi x2, USBMASK ;1 [01] | ||
196 | breq se0Hop ;1 [02] SE0 check for bit 3 | ||
197 | andi shift, 0xe7 ;1 [03] 0b11100111 | ||
198 | breq unstuff2 ;1 [04] | ||
199 | didUnstuff2: ;- [04] | ||
200 | eor x1, x2 ;1 [05] | ||
201 | bst x1, USBMINUS ;1 [06] | ||
202 | bld shift, 3 ;1 [07] | ||
203 | didUnstuff3: ;- [07] | ||
204 | andi shift, 0xcf ;1 [08] 0b11001111 | ||
205 | breq unstuff3 ;1 [09] | ||
206 | in x1, USBIN ;1 [00] [10] <-- sample bit 4 | ||
207 | andi x1, USBMASK ;1 [01] | ||
208 | breq se0Hop ;1 [02] SE0 check for bit 4 | ||
209 | eor x2, x1 ;1 [03] | ||
210 | bst x2, USBMINUS ;1 [04] | ||
211 | bld shift, 4 ;1 [05] | ||
212 | didUnstuff4: ;- [05] | ||
213 | andi shift, 0x9f ;1 [06] 0b10011111 | ||
214 | breq unstuff4 ;1 [07] | ||
215 | nop2 ;2 [08+09] | ||
216 | in x2, USBIN ;1 [00] [10] <-- sample bit 5 | ||
217 | andi x2, USBMASK ;1 [01] | ||
218 | breq se0 ;1 [02] SE0 check for bit 5 | ||
219 | eor x1, x2 ;1 [03] | ||
220 | bst x1, USBMINUS ;1 [04] | ||
221 | bld shift, 5 ;1 [05] | ||
222 | didUnstuff5: ;- [05] | ||
223 | andi shift, 0x3f ;1 [06] 0b00111111 | ||
224 | breq unstuff5 ;1 [07] | ||
225 | nop2 ;2 [08+09] | ||
226 | in x1, USBIN ;1 [00] [10] <-- sample bit 6 | ||
227 | andi x1, USBMASK ;1 [01] | ||
228 | breq se0 ;1 [02] SE0 check for bit 6 | ||
229 | eor x2, x1 ;1 [03] | ||
230 | bst x2, USBMINUS ;1 [04] | ||
231 | bld shift, 6 ;1 [05] | ||
232 | didUnstuff6: ;- [05] | ||
233 | cpi shift, 0x02 ;1 [06] 0b00000010 | ||
234 | brlo unstuff6 ;1 [07] | ||
235 | nop2 ;2 [08+09] | ||
236 | in x2, USBIN ;1 [00] [10] <-- sample bit 7 | ||
237 | andi x2, USBMASK ;1 [01] | ||
238 | breq se0 ;1 [02] SE0 check for bit 7 | ||
239 | eor x1, x2 ;1 [03] | ||
240 | bst x1, USBMINUS ;1 [04] | ||
241 | bld shift, 7 ;1 [05] | ||
242 | didUnstuff7: ;- [05] | ||
243 | cpi shift, 0x04 ;1 [06] 0b00000100 | ||
244 | brlo unstuff7 ;1 [07] | ||
245 | eor x3, shift ;1 [08] reconstruct: x3 is 0 at bit locations we changed, 1 at others | ||
246 | nop ;1 [09] | ||
247 | in x1, USBIN ;1 [00] [10] <-- sample bit 0 | ||
248 | st y+, x3 ;2 [01+02] store data | ||
249 | eor x2, x1 ;1 [03] | ||
250 | bst x2, USBMINUS ;1 [04] | ||
251 | bld shift, 0 ;1 [05] | ||
252 | subi cnt, 1 ;1 [06] | ||
253 | brcs overflow ;1 [07] | ||
254 | rjmp rxLoop ;2 [08] | ||
255 | ;----------------------------------------------------- | ||
256 | unstuff4: ;- [08] | ||
257 | andi x3, ~0x10 ;1 [09] | ||
258 | in x1, USBIN ;1 [00] [10] <-- sample stuffed bit 4 | ||
259 | andi x1, USBMASK ;1 [01] | ||
260 | breq se0 ;1 [02] SE0 check for stuffed bit 4 | ||
261 | ori shift, 0x10 ;1 [03] | ||
262 | rjmp didUnstuff4 ;2 [04] | ||
263 | ;----------------------------------------------------- | ||
264 | unstuff5: ;- [08] | ||
265 | ori shift, 0x20 ;1 [09] | ||
266 | in x2, USBIN ;1 [00] [10] <-- sample stuffed bit 5 | ||
267 | andi x2, USBMASK ;1 [01] | ||
268 | breq se0 ;1 [02] SE0 check for stuffed bit 5 | ||
269 | andi x3, ~0x20 ;1 [03] | ||
270 | rjmp didUnstuff5 ;2 [04] | ||
271 | ;----------------------------------------------------- | ||
272 | unstuff6: ;- [08] | ||
273 | andi x3, ~0x40 ;1 [09] | ||
274 | in x1, USBIN ;1 [00] [10] <-- sample stuffed bit 6 | ||
275 | andi x1, USBMASK ;1 [01] | ||
276 | breq se0 ;1 [02] SE0 check for stuffed bit 6 | ||
277 | ori shift, 0x40 ;1 [03] | ||
278 | rjmp didUnstuff6 ;2 [04] | ||
279 | ;----------------------------------------------------- | ||
280 | unstuff7: ;- [08] | ||
281 | andi x3, ~0x80 ;1 [09] | ||
282 | in x2, USBIN ;1 [00] [10] <-- sample stuffed bit 7 | ||
283 | andi x2, USBMASK ;1 [01] | ||
284 | breq se0 ;1 [02] SE0 check for stuffed bit 7 | ||
285 | ori shift, 0x80 ;1 [03] | ||
286 | rjmp didUnstuff7 ;2 [04] | ||
287 | |||
288 | macro POP_STANDARD ; 16 cycles | ||
289 | pop x4 | ||
290 | pop cnt | ||
291 | pop bitcnt | ||
292 | pop x3 | ||
293 | pop x2 | ||
294 | pop x1 | ||
295 | pop shift | ||
296 | pop YH | ||
297 | endm | ||
298 | macro POP_RETI ; 5 cycles | ||
299 | pop YL | ||
300 | out SREG, YL | ||
301 | pop YL | ||
302 | endm | ||
303 | |||
304 | #include "asmcommon.inc" | ||
305 | |||
306 | ;--------------------------------------------------------------------------- | ||
307 | ; USB spec says: | ||
308 | ; idle = J | ||
309 | ; J = (D+ = 0), (D- = 1) | ||
310 | ; K = (D+ = 1), (D- = 0) | ||
311 | ; Spec allows 7.5 bit times from EOP to SOP for replies | ||
312 | ;--------------------------------------------------------------------------- | ||
313 | bitstuffN: ;- [04] | ||
314 | eor x1, x4 ;1 [05] | ||
315 | clr x2 ;1 [06] | ||
316 | nop ;1 [07] | ||
317 | rjmp didStuffN ;1 [08] | ||
318 | ;--------------------------------------------------------------------------- | ||
319 | bitstuff6: ;- [04] | ||
320 | eor x1, x4 ;1 [05] | ||
321 | clr x2 ;1 [06] | ||
322 | rjmp didStuff6 ;1 [07] | ||
323 | ;--------------------------------------------------------------------------- | ||
324 | bitstuff7: ;- [02] | ||
325 | eor x1, x4 ;1 [03] | ||
326 | clr x2 ;1 [06] | ||
327 | nop ;1 [05] | ||
328 | rjmp didStuff7 ;1 [06] | ||
329 | ;--------------------------------------------------------------------------- | ||
330 | sendNakAndReti: ;- [-19] | ||
331 | ldi x3, USBPID_NAK ;1 [-18] | ||
332 | rjmp sendX3AndReti ;1 [-17] | ||
333 | ;--------------------------------------------------------------------------- | ||
334 | sendAckAndReti: ;- [-17] | ||
335 | ldi cnt, USBPID_ACK ;1 [-16] | ||
336 | sendCntAndReti: ;- [-16] | ||
337 | mov x3, cnt ;1 [-15] | ||
338 | sendX3AndReti: ;- [-15] | ||
339 | ldi YL, 20 ;1 [-14] x3==r20 address is 20 | ||
340 | ldi YH, 0 ;1 [-13] | ||
341 | ldi cnt, 2 ;1 [-12] | ||
342 | ; rjmp usbSendAndReti fallthrough | ||
343 | ;--------------------------------------------------------------------------- | ||
344 | ;usbSend: | ||
345 | ;pointer to data in 'Y' | ||
346 | ;number of bytes in 'cnt' -- including sync byte [range 2 ... 12] | ||
347 | ;uses: x1...x4, btcnt, shift, cnt, Y | ||
348 | ;Numbers in brackets are time since first bit of sync pattern is sent | ||
349 | ;We need not to match the transfer rate exactly because the spec demands | ||
350 | ;only 1.5% precision anyway. | ||
351 | usbSendAndReti: ;- [-13] 13 cycles until SOP | ||
352 | in x2, USBDDR ;1 [-12] | ||
353 | ori x2, USBMASK ;1 [-11] | ||
354 | sbi USBOUT, USBMINUS ;2 [-09-10] prepare idle state; D+ and D- must have been 0 (no pullups) | ||
355 | in x1, USBOUT ;1 [-08] port mirror for tx loop | ||
356 | out USBDDR, x2 ;1 [-07] <- acquire bus | ||
357 | ; need not init x2 (bitstuff history) because sync starts with 0 | ||
358 | ldi x4, USBMASK ;1 [-06] exor mask | ||
359 | ldi shift, 0x80 ;1 [-05] sync byte is first byte sent | ||
360 | ldi bitcnt, 6 ;1 [-04] | ||
361 | txBitLoop: ;- [-04] [06] | ||
362 | sbrs shift, 0 ;1 [-03] [07] | ||
363 | eor x1, x4 ;1 [-02] [08] | ||
364 | ror shift ;1 [-01] [09] | ||
365 | didStuffN: ;- [09] | ||
366 | out USBOUT, x1 ;1 [00] [10] <-- out N | ||
367 | ror x2 ;1 [01] | ||
368 | cpi x2, 0xfc ;1 [02] | ||
369 | brcc bitstuffN ;1 [03] | ||
370 | dec bitcnt ;1 [04] | ||
371 | brne txBitLoop ;1 [05] | ||
372 | sbrs shift, 0 ;1 [06] | ||
373 | eor x1, x4 ;1 [07] | ||
374 | ror shift ;1 [08] | ||
375 | didStuff6: ;- [08] | ||
376 | nop ;1 [09] | ||
377 | out USBOUT, x1 ;1 [00] [10] <-- out 6 | ||
378 | ror x2 ;1 [01] | ||
379 | cpi x2, 0xfc ;1 [02] | ||
380 | brcc bitstuff6 ;1 [03] | ||
381 | sbrs shift, 0 ;1 [04] | ||
382 | eor x1, x4 ;1 [05] | ||
383 | ror shift ;1 [06] | ||
384 | ror x2 ;1 [07] | ||
385 | didStuff7: ;- [07] | ||
386 | ldi bitcnt, 6 ;1 [08] | ||
387 | cpi x2, 0xfc ;1 [09] | ||
388 | out USBOUT, x1 ;1 [00] [10] <-- out 7 | ||
389 | brcc bitstuff7 ;1 [01] | ||
390 | ld shift, y+ ;2 [02+03] | ||
391 | dec cnt ;1 [04] | ||
392 | brne txBitLoop ;1 [05] | ||
393 | makeSE0: | ||
394 | cbr x1, USBMASK ;1 [06] prepare SE0 [spec says EOP may be 19 to 23 cycles] | ||
395 | lds x2, usbNewDeviceAddr;2 [07+08] | ||
396 | lsl x2 ;1 [09] we compare with left shifted address | ||
397 | ;2006-03-06: moved transfer of new address to usbDeviceAddr from C-Code to asm: | ||
398 | ;set address only after data packet was sent, not after handshake | ||
399 | out USBOUT, x1 ;1 [00] [10] <-- out SE0-- from now 2 bits==20 cycl. until bus idle | ||
400 | subi YL, 20 + 2 ;1 [01] Only assign address on data packets, not ACK/NAK in x3 | ||
401 | sbci YH, 0 ;1 [02] | ||
402 | breq skipAddrAssign ;1 [03] | ||
403 | sts usbDeviceAddr, x2 ;2 [04+05] if not skipped: SE0 is one cycle longer | ||
404 | ;---------------------------------------------------------------------------- | ||
405 | ;end of usbDeviceAddress transfer | ||
406 | skipAddrAssign: ;- [03/04] | ||
407 | ldi x2, 1<<USB_INTR_PENDING_BIT ;1 [05] int0 occurred during TX -- clear pending flag | ||
408 | USB_STORE_PENDING(x2) ;1 [06] | ||
409 | ori x1, USBIDLE ;1 [07] | ||
410 | in x2, USBDDR ;1 [08] | ||
411 | cbr x2, USBMASK ;1 [09] set both pins to input | ||
412 | mov x3, x1 ;1 [10] | ||
413 | cbr x3, USBMASK ;1 [11] configure no pullup on both pins | ||
414 | ldi x4, 3 ;1 [12] | ||
415 | se0Delay: ;- [12] [15] | ||
416 | dec x4 ;1 [13] [16] | ||
417 | brne se0Delay ;1 [14] [17] | ||
418 | nop2 ;2 [18+19] | ||
419 | out USBOUT, x1 ;1 [20] <--out J (idle) -- end of SE0 (EOP sig.) | ||
420 | out USBDDR, x2 ;1 [21] <--release bus now | ||
421 | out USBOUT, x3 ;1 [22] <--ensure no pull-up resistors are active | ||
422 | rjmp doReturn ;1 [23] | ||
423 | ;--------------------------------------------------------------------------- | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/usbdrvasm16.inc b/tmk_core/protocol/vusb/usbdrv/usbdrvasm16.inc deleted file mode 100644 index 207b6e48a..000000000 --- a/tmk_core/protocol/vusb/usbdrv/usbdrvasm16.inc +++ /dev/null | |||
@@ -1,346 +0,0 @@ | |||
1 | /* Name: usbdrvasm16.inc | ||
2 | * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers | ||
3 | * Author: Christian Starkjohann | ||
4 | * Creation Date: 2007-06-15 | ||
5 | * Tabsize: 4 | ||
6 | * Copyright: (c) 2007 by OBJECTIVE DEVELOPMENT Software GmbH | ||
7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
8 | * Revision: $Id: usbdrvasm16.inc 760 2009-08-09 18:59:43Z cs $ | ||
9 | */ | ||
10 | |||
11 | /* Do not link this file! Link usbdrvasm.S instead, which includes the | ||
12 | * appropriate implementation! | ||
13 | */ | ||
14 | |||
15 | /* | ||
16 | General Description: | ||
17 | This file is the 16 MHz version of the asssembler part of the USB driver. It | ||
18 | requires a 16 MHz crystal (not a ceramic resonator and not a calibrated RC | ||
19 | oscillator). | ||
20 | |||
21 | See usbdrv.h for a description of the entire driver. | ||
22 | |||
23 | Since almost all of this code is timing critical, don't change unless you | ||
24 | really know what you are doing! Many parts require not only a maximum number | ||
25 | of CPU cycles, but even an exact number of cycles! | ||
26 | */ | ||
27 | |||
28 | ;max stack usage: [ret(2), YL, SREG, YH, bitcnt, shift, x1, x2, x3, x4, cnt] = 12 bytes | ||
29 | ;nominal frequency: 16 MHz -> 10.6666666 cycles per bit, 85.333333333 cycles per byte | ||
30 | ; Numbers in brackets are clocks counted from center of last sync bit | ||
31 | ; when instruction starts | ||
32 | |||
33 | USB_INTR_VECTOR: | ||
34 | ;order of registers pushed: YL, SREG YH, [sofError], bitcnt, shift, x1, x2, x3, x4, cnt | ||
35 | push YL ;[-25] push only what is necessary to sync with edge ASAP | ||
36 | in YL, SREG ;[-23] | ||
37 | push YL ;[-22] | ||
38 | push YH ;[-20] | ||
39 | ;---------------------------------------------------------------------------- | ||
40 | ; Synchronize with sync pattern: | ||
41 | ;---------------------------------------------------------------------------- | ||
42 | ;sync byte (D-) pattern LSb to MSb: 01010100 [1 = idle = J, 0 = K] | ||
43 | ;sync up with J to K edge during sync pattern -- use fastest possible loops | ||
44 | ;The first part waits at most 1 bit long since we must be in sync pattern. | ||
45 | ;YL is guarenteed to be < 0x80 because I flag is clear. When we jump to | ||
46 | ;waitForJ, ensure that this prerequisite is met. | ||
47 | waitForJ: | ||
48 | inc YL | ||
49 | sbis USBIN, USBMINUS | ||
50 | brne waitForJ ; just make sure we have ANY timeout | ||
51 | waitForK: | ||
52 | ;The following code results in a sampling window of < 1/4 bit which meets the spec. | ||
53 | sbis USBIN, USBMINUS ;[-15] | ||
54 | rjmp foundK ;[-14] | ||
55 | sbis USBIN, USBMINUS | ||
56 | rjmp foundK | ||
57 | sbis USBIN, USBMINUS | ||
58 | rjmp foundK | ||
59 | sbis USBIN, USBMINUS | ||
60 | rjmp foundK | ||
61 | sbis USBIN, USBMINUS | ||
62 | rjmp foundK | ||
63 | sbis USBIN, USBMINUS | ||
64 | rjmp foundK | ||
65 | #if USB_COUNT_SOF | ||
66 | lds YL, usbSofCount | ||
67 | inc YL | ||
68 | sts usbSofCount, YL | ||
69 | #endif /* USB_COUNT_SOF */ | ||
70 | #ifdef USB_SOF_HOOK | ||
71 | USB_SOF_HOOK | ||
72 | #endif | ||
73 | rjmp sofError | ||
74 | foundK: ;[-12] | ||
75 | ;{3, 5} after falling D- edge, average delay: 4 cycles [we want 5 for center sampling] | ||
76 | ;we have 1 bit time for setup purposes, then sample again. Numbers in brackets | ||
77 | ;are cycles from center of first sync (double K) bit after the instruction | ||
78 | push bitcnt ;[-12] | ||
79 | ; [---] ;[-11] | ||
80 | lds YL, usbInputBufOffset;[-10] | ||
81 | ; [---] ;[-9] | ||
82 | clr YH ;[-8] | ||
83 | subi YL, lo8(-(usbRxBuf));[-7] [rx loop init] | ||
84 | sbci YH, hi8(-(usbRxBuf));[-6] [rx loop init] | ||
85 | push shift ;[-5] | ||
86 | ; [---] ;[-4] | ||
87 | ldi bitcnt, 0x55 ;[-3] [rx loop init] | ||
88 | sbis USBIN, USBMINUS ;[-2] we want two bits K (sample 2 cycles too early) | ||
89 | rjmp haveTwoBitsK ;[-1] | ||
90 | pop shift ;[0] undo the push from before | ||
91 | pop bitcnt ;[2] undo the push from before | ||
92 | rjmp waitForK ;[4] this was not the end of sync, retry | ||
93 | ; The entire loop from waitForK until rjmp waitForK above must not exceed two | ||
94 | ; bit times (= 21 cycles). | ||
95 | |||
96 | ;---------------------------------------------------------------------------- | ||
97 | ; push more registers and initialize values while we sample the first bits: | ||
98 | ;---------------------------------------------------------------------------- | ||
99 | haveTwoBitsK: | ||
100 | push x1 ;[1] | ||
101 | push x2 ;[3] | ||
102 | push x3 ;[5] | ||
103 | ldi shift, 0 ;[7] | ||
104 | ldi x3, 1<<4 ;[8] [rx loop init] first sample is inverse bit, compensate that | ||
105 | push x4 ;[9] == leap | ||
106 | |||
107 | in x1, USBIN ;[11] <-- sample bit 0 | ||
108 | andi x1, USBMASK ;[12] | ||
109 | bst x1, USBMINUS ;[13] | ||
110 | bld shift, 7 ;[14] | ||
111 | push cnt ;[15] | ||
112 | ldi leap, 0 ;[17] [rx loop init] | ||
113 | ldi cnt, USB_BUFSIZE;[18] [rx loop init] | ||
114 | rjmp rxbit1 ;[19] arrives at [21] | ||
115 | |||
116 | ;---------------------------------------------------------------------------- | ||
117 | ; Receiver loop (numbers in brackets are cycles within byte after instr) | ||
118 | ;---------------------------------------------------------------------------- | ||
119 | |||
120 | ; duration of unstuffing code should be 10.66666667 cycles. We adjust "leap" | ||
121 | ; accordingly to approximate this value in the long run. | ||
122 | |||
123 | unstuff6: | ||
124 | andi x2, USBMASK ;[03] | ||
125 | ori x3, 1<<6 ;[04] will not be shifted any more | ||
126 | andi shift, ~0x80;[05] | ||
127 | mov x1, x2 ;[06] sampled bit 7 is actually re-sampled bit 6 | ||
128 | subi leap, -1 ;[07] total duration = 11 bits -> subtract 1/3 | ||
129 | rjmp didUnstuff6 ;[08] | ||
130 | |||
131 | unstuff7: | ||
132 | ori x3, 1<<7 ;[09] will not be shifted any more | ||
133 | in x2, USBIN ;[00] [10] re-sample bit 7 | ||
134 | andi x2, USBMASK ;[01] | ||
135 | andi shift, ~0x80;[02] | ||
136 | subi leap, 2 ;[03] total duration = 10 bits -> add 1/3 | ||
137 | rjmp didUnstuff7 ;[04] | ||
138 | |||
139 | unstuffEven: | ||
140 | ori x3, 1<<6 ;[09] will be shifted right 6 times for bit 0 | ||
141 | in x1, USBIN ;[00] [10] | ||
142 | andi shift, ~0x80;[01] | ||
143 | andi x1, USBMASK ;[02] | ||
144 | breq se0 ;[03] | ||
145 | subi leap, -1 ;[04] total duration = 11 bits -> subtract 1/3 | ||
146 | nop2 ;[05] | ||
147 | rjmp didUnstuffE ;[06] | ||
148 | |||
149 | unstuffOdd: | ||
150 | ori x3, 1<<5 ;[09] will be shifted right 4 times for bit 1 | ||
151 | in x2, USBIN ;[00] [10] | ||
152 | andi shift, ~0x80;[01] | ||
153 | andi x2, USBMASK ;[02] | ||
154 | breq se0 ;[03] | ||
155 | subi leap, -1 ;[04] total duration = 11 bits -> subtract 1/3 | ||
156 | nop2 ;[05] | ||
157 | rjmp didUnstuffO ;[06] | ||
158 | |||
159 | rxByteLoop: | ||
160 | andi x1, USBMASK ;[03] | ||
161 | eor x2, x1 ;[04] | ||
162 | subi leap, 1 ;[05] | ||
163 | brpl skipLeap ;[06] | ||
164 | subi leap, -3 ;1 one leap cycle every 3rd byte -> 85 + 1/3 cycles per byte | ||
165 | nop ;1 | ||
166 | skipLeap: | ||
167 | subi x2, 1 ;[08] | ||
168 | ror shift ;[09] | ||
169 | didUnstuff6: | ||
170 | cpi shift, 0xfc ;[10] | ||
171 | in x2, USBIN ;[00] [11] <-- sample bit 7 | ||
172 | brcc unstuff6 ;[01] | ||
173 | andi x2, USBMASK ;[02] | ||
174 | eor x1, x2 ;[03] | ||
175 | subi x1, 1 ;[04] | ||
176 | ror shift ;[05] | ||
177 | didUnstuff7: | ||
178 | cpi shift, 0xfc ;[06] | ||
179 | brcc unstuff7 ;[07] | ||
180 | eor x3, shift ;[08] reconstruct: x3 is 1 at bit locations we changed, 0 at others | ||
181 | st y+, x3 ;[09] store data | ||
182 | rxBitLoop: | ||
183 | in x1, USBIN ;[00] [11] <-- sample bit 0/2/4 | ||
184 | andi x1, USBMASK ;[01] | ||
185 | eor x2, x1 ;[02] | ||
186 | andi x3, 0x3f ;[03] topmost two bits reserved for 6 and 7 | ||
187 | subi x2, 1 ;[04] | ||
188 | ror shift ;[05] | ||
189 | cpi shift, 0xfc ;[06] | ||
190 | brcc unstuffEven ;[07] | ||
191 | didUnstuffE: | ||
192 | lsr x3 ;[08] | ||
193 | lsr x3 ;[09] | ||
194 | rxbit1: | ||
195 | in x2, USBIN ;[00] [10] <-- sample bit 1/3/5 | ||
196 | andi x2, USBMASK ;[01] | ||
197 | breq se0 ;[02] | ||
198 | eor x1, x2 ;[03] | ||
199 | subi x1, 1 ;[04] | ||
200 | ror shift ;[05] | ||
201 | cpi shift, 0xfc ;[06] | ||
202 | brcc unstuffOdd ;[07] | ||
203 | didUnstuffO: | ||
204 | subi bitcnt, 0xab;[08] == addi 0x55, 0x55 = 0x100/3 | ||
205 | brcs rxBitLoop ;[09] | ||
206 | |||
207 | subi cnt, 1 ;[10] | ||
208 | in x1, USBIN ;[00] [11] <-- sample bit 6 | ||
209 | brcc rxByteLoop ;[01] | ||
210 | rjmp overflow | ||
211 | |||
212 | macro POP_STANDARD ; 14 cycles | ||
213 | pop cnt | ||
214 | pop x4 | ||
215 | pop x3 | ||
216 | pop x2 | ||
217 | pop x1 | ||
218 | pop shift | ||
219 | pop bitcnt | ||
220 | endm | ||
221 | macro POP_RETI ; 7 cycles | ||
222 | pop YH | ||
223 | pop YL | ||
224 | out SREG, YL | ||
225 | pop YL | ||
226 | endm | ||
227 | |||
228 | #include "asmcommon.inc" | ||
229 | |||
230 | ; USB spec says: | ||
231 | ; idle = J | ||
232 | ; J = (D+ = 0), (D- = 1) | ||
233 | ; K = (D+ = 1), (D- = 0) | ||
234 | ; Spec allows 7.5 bit times from EOP to SOP for replies | ||
235 | |||
236 | bitstuffN: | ||
237 | eor x1, x4 ;[5] | ||
238 | ldi x2, 0 ;[6] | ||
239 | nop2 ;[7] | ||
240 | nop ;[9] | ||
241 | out USBOUT, x1 ;[10] <-- out | ||
242 | rjmp didStuffN ;[0] | ||
243 | |||
244 | bitstuff6: | ||
245 | eor x1, x4 ;[5] | ||
246 | ldi x2, 0 ;[6] Carry is zero due to brcc | ||
247 | rol shift ;[7] compensate for ror shift at branch destination | ||
248 | rjmp didStuff6 ;[8] | ||
249 | |||
250 | bitstuff7: | ||
251 | ldi x2, 0 ;[2] Carry is zero due to brcc | ||
252 | rjmp didStuff7 ;[3] | ||
253 | |||
254 | |||
255 | sendNakAndReti: | ||
256 | ldi x3, USBPID_NAK ;[-18] | ||
257 | rjmp sendX3AndReti ;[-17] | ||
258 | sendAckAndReti: | ||
259 | ldi cnt, USBPID_ACK ;[-17] | ||
260 | sendCntAndReti: | ||
261 | mov x3, cnt ;[-16] | ||
262 | sendX3AndReti: | ||
263 | ldi YL, 20 ;[-15] x3==r20 address is 20 | ||
264 | ldi YH, 0 ;[-14] | ||
265 | ldi cnt, 2 ;[-13] | ||
266 | ; rjmp usbSendAndReti fallthrough | ||
267 | |||
268 | ;usbSend: | ||
269 | ;pointer to data in 'Y' | ||
270 | ;number of bytes in 'cnt' -- including sync byte [range 2 ... 12] | ||
271 | ;uses: x1...x4, btcnt, shift, cnt, Y | ||
272 | ;Numbers in brackets are time since first bit of sync pattern is sent | ||
273 | ;We don't match the transfer rate exactly (don't insert leap cycles every third | ||
274 | ;byte) because the spec demands only 1.5% precision anyway. | ||
275 | usbSendAndReti: ; 12 cycles until SOP | ||
276 | in x2, USBDDR ;[-12] | ||
277 | ori x2, USBMASK ;[-11] | ||
278 | sbi USBOUT, USBMINUS;[-10] prepare idle state; D+ and D- must have been 0 (no pullups) | ||
279 | in x1, USBOUT ;[-8] port mirror for tx loop | ||
280 | out USBDDR, x2 ;[-7] <- acquire bus | ||
281 | ; need not init x2 (bitstuff history) because sync starts with 0 | ||
282 | ldi x4, USBMASK ;[-6] exor mask | ||
283 | ldi shift, 0x80 ;[-5] sync byte is first byte sent | ||
284 | txByteLoop: | ||
285 | ldi bitcnt, 0x35 ;[-4] [6] binary 0011 0101 | ||
286 | txBitLoop: | ||
287 | sbrs shift, 0 ;[-3] [7] | ||
288 | eor x1, x4 ;[-2] [8] | ||
289 | out USBOUT, x1 ;[-1] [9] <-- out N | ||
290 | ror shift ;[0] [10] | ||
291 | ror x2 ;[1] | ||
292 | didStuffN: | ||
293 | cpi x2, 0xfc ;[2] | ||
294 | brcc bitstuffN ;[3] | ||
295 | lsr bitcnt ;[4] | ||
296 | brcc txBitLoop ;[5] | ||
297 | brne txBitLoop ;[6] | ||
298 | |||
299 | sbrs shift, 0 ;[7] | ||
300 | eor x1, x4 ;[8] | ||
301 | didStuff6: | ||
302 | out USBOUT, x1 ;[-1] [9] <-- out 6 | ||
303 | ror shift ;[0] [10] | ||
304 | ror x2 ;[1] | ||
305 | cpi x2, 0xfc ;[2] | ||
306 | brcc bitstuff6 ;[3] | ||
307 | ror shift ;[4] | ||
308 | didStuff7: | ||
309 | ror x2 ;[5] | ||
310 | sbrs x2, 7 ;[6] | ||
311 | eor x1, x4 ;[7] | ||
312 | nop ;[8] | ||
313 | cpi x2, 0xfc ;[9] | ||
314 | out USBOUT, x1 ;[-1][10] <-- out 7 | ||
315 | brcc bitstuff7 ;[0] [11] | ||
316 | ld shift, y+ ;[1] | ||
317 | dec cnt ;[3] | ||
318 | brne txByteLoop ;[4] | ||
319 | ;make SE0: | ||
320 | cbr x1, USBMASK ;[5] prepare SE0 [spec says EOP may be 21 to 25 cycles] | ||
321 | lds x2, usbNewDeviceAddr;[6] | ||
322 | lsl x2 ;[8] we compare with left shifted address | ||
323 | subi YL, 20 + 2 ;[9] Only assign address on data packets, not ACK/NAK in x3 | ||
324 | sbci YH, 0 ;[10] | ||
325 | out USBOUT, x1 ;[11] <-- out SE0 -- from now 2 bits = 22 cycles until bus idle | ||
326 | ;2006-03-06: moved transfer of new address to usbDeviceAddr from C-Code to asm: | ||
327 | ;set address only after data packet was sent, not after handshake | ||
328 | breq skipAddrAssign ;[0] | ||
329 | sts usbDeviceAddr, x2; if not skipped: SE0 is one cycle longer | ||
330 | skipAddrAssign: | ||
331 | ;end of usbDeviceAddress transfer | ||
332 | ldi x2, 1<<USB_INTR_PENDING_BIT;[2] int0 occurred during TX -- clear pending flag | ||
333 | USB_STORE_PENDING(x2) ;[3] | ||
334 | ori x1, USBIDLE ;[4] | ||
335 | in x2, USBDDR ;[5] | ||
336 | cbr x2, USBMASK ;[6] set both pins to input | ||
337 | mov x3, x1 ;[7] | ||
338 | cbr x3, USBMASK ;[8] configure no pullup on both pins | ||
339 | ldi x4, 4 ;[9] | ||
340 | se0Delay: | ||
341 | dec x4 ;[10] [13] [16] [19] | ||
342 | brne se0Delay ;[11] [14] [17] [20] | ||
343 | out USBOUT, x1 ;[21] <-- out J (idle) -- end of SE0 (EOP signal) | ||
344 | out USBDDR, x2 ;[22] <-- release bus now | ||
345 | out USBOUT, x3 ;[23] <-- ensure no pull-up resistors are active | ||
346 | rjmp doReturn | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/usbdrvasm165.inc b/tmk_core/protocol/vusb/usbdrv/usbdrvasm165.inc deleted file mode 100644 index 79b3c61cf..000000000 --- a/tmk_core/protocol/vusb/usbdrv/usbdrvasm165.inc +++ /dev/null | |||
@@ -1,453 +0,0 @@ | |||
1 | /* Name: usbdrvasm165.inc | ||
2 | * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers | ||
3 | * Author: Christian Starkjohann | ||
4 | * Creation Date: 2007-04-22 | ||
5 | * Tabsize: 4 | ||
6 | * Copyright: (c) 2007 by OBJECTIVE DEVELOPMENT Software GmbH | ||
7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
8 | * Revision: $Id: usbdrvasm165.inc 740 2009-04-13 18:23:31Z cs $ | ||
9 | */ | ||
10 | |||
11 | /* Do not link this file! Link usbdrvasm.S instead, which includes the | ||
12 | * appropriate implementation! | ||
13 | */ | ||
14 | |||
15 | /* | ||
16 | General Description: | ||
17 | This file is the 16.5 MHz version of the USB driver. It is intended for the | ||
18 | ATTiny45 and similar controllers running on 16.5 MHz internal RC oscillator. | ||
19 | This version contains a phase locked loop in the receiver routine to cope with | ||
20 | slight clock rate deviations of up to +/- 1%. | ||
21 | |||
22 | See usbdrv.h for a description of the entire driver. | ||
23 | |||
24 | Since almost all of this code is timing critical, don't change unless you | ||
25 | really know what you are doing! Many parts require not only a maximum number | ||
26 | of CPU cycles, but even an exact number of cycles! | ||
27 | */ | ||
28 | |||
29 | ;Software-receiver engine. Strict timing! Don't change unless you can preserve timing! | ||
30 | ;interrupt response time: 4 cycles + insn running = 7 max if interrupts always enabled | ||
31 | ;max allowable interrupt latency: 59 cycles -> max 52 cycles interrupt disable | ||
32 | ;max stack usage: [ret(2), r0, SREG, YL, YH, shift, x1, x2, x3, x4, cnt] = 12 bytes | ||
33 | ;nominal frequency: 16.5 MHz -> 11 cycles per bit | ||
34 | ; 16.3125 MHz < F_CPU < 16.6875 MHz (+/- 1.1%) | ||
35 | ; Numbers in brackets are clocks counted from center of last sync bit | ||
36 | ; when instruction starts | ||
37 | |||
38 | |||
39 | USB_INTR_VECTOR: | ||
40 | ;order of registers pushed: YL, SREG [sofError], r0, YH, shift, x1, x2, x3, x4, cnt | ||
41 | push YL ;[-23] push only what is necessary to sync with edge ASAP | ||
42 | in YL, SREG ;[-21] | ||
43 | push YL ;[-20] | ||
44 | ;---------------------------------------------------------------------------- | ||
45 | ; Synchronize with sync pattern: | ||
46 | ;---------------------------------------------------------------------------- | ||
47 | ;sync byte (D-) pattern LSb to MSb: 01010100 [1 = idle = J, 0 = K] | ||
48 | ;sync up with J to K edge during sync pattern -- use fastest possible loops | ||
49 | ;The first part waits at most 1 bit long since we must be in sync pattern. | ||
50 | ;YL is guarenteed to be < 0x80 because I flag is clear. When we jump to | ||
51 | ;waitForJ, ensure that this prerequisite is met. | ||
52 | waitForJ: | ||
53 | inc YL | ||
54 | sbis USBIN, USBMINUS | ||
55 | brne waitForJ ; just make sure we have ANY timeout | ||
56 | waitForK: | ||
57 | ;The following code results in a sampling window of < 1/4 bit which meets the spec. | ||
58 | sbis USBIN, USBMINUS ;[-15] | ||
59 | rjmp foundK ;[-14] | ||
60 | sbis USBIN, USBMINUS | ||
61 | rjmp foundK | ||
62 | sbis USBIN, USBMINUS | ||
63 | rjmp foundK | ||
64 | sbis USBIN, USBMINUS | ||
65 | rjmp foundK | ||
66 | sbis USBIN, USBMINUS | ||
67 | rjmp foundK | ||
68 | sbis USBIN, USBMINUS | ||
69 | rjmp foundK | ||
70 | #if USB_COUNT_SOF | ||
71 | lds YL, usbSofCount | ||
72 | inc YL | ||
73 | sts usbSofCount, YL | ||
74 | #endif /* USB_COUNT_SOF */ | ||
75 | #ifdef USB_SOF_HOOK | ||
76 | USB_SOF_HOOK | ||
77 | #endif | ||
78 | rjmp sofError | ||
79 | foundK: ;[-12] | ||
80 | ;{3, 5} after falling D- edge, average delay: 4 cycles [we want 5 for center sampling] | ||
81 | ;we have 1 bit time for setup purposes, then sample again. Numbers in brackets | ||
82 | ;are cycles from center of first sync (double K) bit after the instruction | ||
83 | push r0 ;[-12] | ||
84 | ; [---] ;[-11] | ||
85 | push YH ;[-10] | ||
86 | ; [---] ;[-9] | ||
87 | lds YL, usbInputBufOffset;[-8] | ||
88 | ; [---] ;[-7] | ||
89 | clr YH ;[-6] | ||
90 | subi YL, lo8(-(usbRxBuf));[-5] [rx loop init] | ||
91 | sbci YH, hi8(-(usbRxBuf));[-4] [rx loop init] | ||
92 | mov r0, x2 ;[-3] [rx loop init] | ||
93 | sbis USBIN, USBMINUS ;[-2] we want two bits K (sample 2 cycles too early) | ||
94 | rjmp haveTwoBitsK ;[-1] | ||
95 | pop YH ;[0] undo the pushes from before | ||
96 | pop r0 ;[2] | ||
97 | rjmp waitForK ;[4] this was not the end of sync, retry | ||
98 | ; The entire loop from waitForK until rjmp waitForK above must not exceed two | ||
99 | ; bit times (= 22 cycles). | ||
100 | |||
101 | ;---------------------------------------------------------------------------- | ||
102 | ; push more registers and initialize values while we sample the first bits: | ||
103 | ;---------------------------------------------------------------------------- | ||
104 | haveTwoBitsK: ;[1] | ||
105 | push shift ;[1] | ||
106 | push x1 ;[3] | ||
107 | push x2 ;[5] | ||
108 | push x3 ;[7] | ||
109 | ldi shift, 0xff ;[9] [rx loop init] | ||
110 | ori x3, 0xff ;[10] [rx loop init] == ser x3, clear zero flag | ||
111 | |||
112 | in x1, USBIN ;[11] <-- sample bit 0 | ||
113 | bst x1, USBMINUS ;[12] | ||
114 | bld shift, 0 ;[13] | ||
115 | push x4 ;[14] == phase | ||
116 | ; [---] ;[15] | ||
117 | push cnt ;[16] | ||
118 | ; [---] ;[17] | ||
119 | ldi phase, 0 ;[18] [rx loop init] | ||
120 | ldi cnt, USB_BUFSIZE;[19] [rx loop init] | ||
121 | rjmp rxbit1 ;[20] | ||
122 | ; [---] ;[21] | ||
123 | |||
124 | ;---------------------------------------------------------------------------- | ||
125 | ; Receiver loop (numbers in brackets are cycles within byte after instr) | ||
126 | ;---------------------------------------------------------------------------- | ||
127 | /* | ||
128 | byte oriented operations done during loop: | ||
129 | bit 0: store data | ||
130 | bit 1: SE0 check | ||
131 | bit 2: overflow check | ||
132 | bit 3: catch up | ||
133 | bit 4: rjmp to achieve conditional jump range | ||
134 | bit 5: PLL | ||
135 | bit 6: catch up | ||
136 | bit 7: jump, fixup bitstuff | ||
137 | ; 87 [+ 2] cycles | ||
138 | ------------------------------------------------------------------ | ||
139 | */ | ||
140 | continueWithBit5: | ||
141 | in x2, USBIN ;[055] <-- bit 5 | ||
142 | eor r0, x2 ;[056] | ||
143 | or phase, r0 ;[057] | ||
144 | sbrc phase, USBMINUS ;[058] | ||
145 | lpm ;[059] optional nop3; modifies r0 | ||
146 | in phase, USBIN ;[060] <-- phase | ||
147 | eor x1, x2 ;[061] | ||
148 | bst x1, USBMINUS ;[062] | ||
149 | bld shift, 5 ;[063] | ||
150 | andi shift, 0x3f ;[064] | ||
151 | in x1, USBIN ;[065] <-- bit 6 | ||
152 | breq unstuff5 ;[066] *** unstuff escape | ||
153 | eor phase, x1 ;[067] | ||
154 | eor x2, x1 ;[068] | ||
155 | bst x2, USBMINUS ;[069] | ||
156 | bld shift, 6 ;[070] | ||
157 | didUnstuff6: ;[ ] | ||
158 | in r0, USBIN ;[071] <-- phase | ||
159 | cpi shift, 0x02 ;[072] | ||
160 | brlo unstuff6 ;[073] *** unstuff escape | ||
161 | didUnstuff5: ;[ ] | ||
162 | nop2 ;[074] | ||
163 | ; [---] ;[075] | ||
164 | in x2, USBIN ;[076] <-- bit 7 | ||
165 | eor x1, x2 ;[077] | ||
166 | bst x1, USBMINUS ;[078] | ||
167 | bld shift, 7 ;[079] | ||
168 | didUnstuff7: ;[ ] | ||
169 | eor r0, x2 ;[080] | ||
170 | or phase, r0 ;[081] | ||
171 | in r0, USBIN ;[082] <-- phase | ||
172 | cpi shift, 0x04 ;[083] | ||
173 | brsh rxLoop ;[084] | ||
174 | ; [---] ;[085] | ||
175 | unstuff7: ;[ ] | ||
176 | andi x3, ~0x80 ;[085] | ||
177 | ori shift, 0x80 ;[086] | ||
178 | in x2, USBIN ;[087] <-- sample stuffed bit 7 | ||
179 | nop ;[088] | ||
180 | rjmp didUnstuff7 ;[089] | ||
181 | ; [---] ;[090] | ||
182 | ;[080] | ||
183 | |||
184 | unstuff5: ;[067] | ||
185 | eor phase, x1 ;[068] | ||
186 | andi x3, ~0x20 ;[069] | ||
187 | ori shift, 0x20 ;[070] | ||
188 | in r0, USBIN ;[071] <-- phase | ||
189 | mov x2, x1 ;[072] | ||
190 | nop ;[073] | ||
191 | nop2 ;[074] | ||
192 | ; [---] ;[075] | ||
193 | in x1, USBIN ;[076] <-- bit 6 | ||
194 | eor r0, x1 ;[077] | ||
195 | or phase, r0 ;[078] | ||
196 | eor x2, x1 ;[079] | ||
197 | bst x2, USBMINUS ;[080] | ||
198 | bld shift, 6 ;[081] no need to check bitstuffing, we just had one | ||
199 | in r0, USBIN ;[082] <-- phase | ||
200 | rjmp didUnstuff5 ;[083] | ||
201 | ; [---] ;[084] | ||
202 | ;[074] | ||
203 | |||
204 | unstuff6: ;[074] | ||
205 | andi x3, ~0x40 ;[075] | ||
206 | in x1, USBIN ;[076] <-- bit 6 again | ||
207 | ori shift, 0x40 ;[077] | ||
208 | nop2 ;[078] | ||
209 | ; [---] ;[079] | ||
210 | rjmp didUnstuff6 ;[080] | ||
211 | ; [---] ;[081] | ||
212 | ;[071] | ||
213 | |||
214 | unstuff0: ;[013] | ||
215 | eor r0, x2 ;[014] | ||
216 | or phase, r0 ;[015] | ||
217 | andi x2, USBMASK ;[016] check for SE0 | ||
218 | in r0, USBIN ;[017] <-- phase | ||
219 | breq didUnstuff0 ;[018] direct jump to se0 would be too long | ||
220 | andi x3, ~0x01 ;[019] | ||
221 | ori shift, 0x01 ;[020] | ||
222 | mov x1, x2 ;[021] mov existing sample | ||
223 | in x2, USBIN ;[022] <-- bit 1 again | ||
224 | rjmp didUnstuff0 ;[023] | ||
225 | ; [---] ;[024] | ||
226 | ;[014] | ||
227 | |||
228 | unstuff1: ;[024] | ||
229 | eor r0, x1 ;[025] | ||
230 | or phase, r0 ;[026] | ||
231 | andi x3, ~0x02 ;[027] | ||
232 | in r0, USBIN ;[028] <-- phase | ||
233 | ori shift, 0x02 ;[029] | ||
234 | mov x2, x1 ;[030] | ||
235 | rjmp didUnstuff1 ;[031] | ||
236 | ; [---] ;[032] | ||
237 | ;[022] | ||
238 | |||
239 | unstuff2: ;[035] | ||
240 | eor r0, x2 ;[036] | ||
241 | or phase, r0 ;[037] | ||
242 | andi x3, ~0x04 ;[038] | ||
243 | in r0, USBIN ;[039] <-- phase | ||
244 | ori shift, 0x04 ;[040] | ||
245 | mov x1, x2 ;[041] | ||
246 | rjmp didUnstuff2 ;[042] | ||
247 | ; [---] ;[043] | ||
248 | ;[033] | ||
249 | |||
250 | unstuff3: ;[043] | ||
251 | in x2, USBIN ;[044] <-- bit 3 again | ||
252 | eor r0, x2 ;[045] | ||
253 | or phase, r0 ;[046] | ||
254 | andi x3, ~0x08 ;[047] | ||
255 | ori shift, 0x08 ;[048] | ||
256 | nop ;[049] | ||
257 | in r0, USBIN ;[050] <-- phase | ||
258 | rjmp didUnstuff3 ;[051] | ||
259 | ; [---] ;[052] | ||
260 | ;[042] | ||
261 | |||
262 | unstuff4: ;[053] | ||
263 | andi x3, ~0x10 ;[054] | ||
264 | in x1, USBIN ;[055] <-- bit 4 again | ||
265 | ori shift, 0x10 ;[056] | ||
266 | rjmp didUnstuff4 ;[057] | ||
267 | ; [---] ;[058] | ||
268 | ;[048] | ||
269 | |||
270 | rxLoop: ;[085] | ||
271 | eor x3, shift ;[086] reconstruct: x3 is 0 at bit locations we changed, 1 at others | ||
272 | in x1, USBIN ;[000] <-- bit 0 | ||
273 | st y+, x3 ;[001] | ||
274 | ; [---] ;[002] | ||
275 | eor r0, x1 ;[003] | ||
276 | or phase, r0 ;[004] | ||
277 | eor x2, x1 ;[005] | ||
278 | in r0, USBIN ;[006] <-- phase | ||
279 | ser x3 ;[007] | ||
280 | bst x2, USBMINUS ;[008] | ||
281 | bld shift, 0 ;[009] | ||
282 | andi shift, 0xf9 ;[010] | ||
283 | rxbit1: ;[ ] | ||
284 | in x2, USBIN ;[011] <-- bit 1 | ||
285 | breq unstuff0 ;[012] *** unstuff escape | ||
286 | andi x2, USBMASK ;[013] SE0 check for bit 1 | ||
287 | didUnstuff0: ;[ ] Z only set if we detected SE0 in bitstuff | ||
288 | breq se0 ;[014] | ||
289 | eor r0, x2 ;[015] | ||
290 | or phase, r0 ;[016] | ||
291 | in r0, USBIN ;[017] <-- phase | ||
292 | eor x1, x2 ;[018] | ||
293 | bst x1, USBMINUS ;[019] | ||
294 | bld shift, 1 ;[020] | ||
295 | andi shift, 0xf3 ;[021] | ||
296 | didUnstuff1: ;[ ] | ||
297 | in x1, USBIN ;[022] <-- bit 2 | ||
298 | breq unstuff1 ;[023] *** unstuff escape | ||
299 | eor r0, x1 ;[024] | ||
300 | or phase, r0 ;[025] | ||
301 | subi cnt, 1 ;[026] overflow check | ||
302 | brcs overflow ;[027] | ||
303 | in r0, USBIN ;[028] <-- phase | ||
304 | eor x2, x1 ;[029] | ||
305 | bst x2, USBMINUS ;[030] | ||
306 | bld shift, 2 ;[031] | ||
307 | andi shift, 0xe7 ;[032] | ||
308 | didUnstuff2: ;[ ] | ||
309 | in x2, USBIN ;[033] <-- bit 3 | ||
310 | breq unstuff2 ;[034] *** unstuff escape | ||
311 | eor r0, x2 ;[035] | ||
312 | or phase, r0 ;[036] | ||
313 | eor x1, x2 ;[037] | ||
314 | bst x1, USBMINUS ;[038] | ||
315 | in r0, USBIN ;[039] <-- phase | ||
316 | bld shift, 3 ;[040] | ||
317 | andi shift, 0xcf ;[041] | ||
318 | didUnstuff3: ;[ ] | ||
319 | breq unstuff3 ;[042] *** unstuff escape | ||
320 | nop ;[043] | ||
321 | in x1, USBIN ;[044] <-- bit 4 | ||
322 | eor x2, x1 ;[045] | ||
323 | bst x2, USBMINUS ;[046] | ||
324 | bld shift, 4 ;[047] | ||
325 | didUnstuff4: ;[ ] | ||
326 | eor r0, x1 ;[048] | ||
327 | or phase, r0 ;[049] | ||
328 | in r0, USBIN ;[050] <-- phase | ||
329 | andi shift, 0x9f ;[051] | ||
330 | breq unstuff4 ;[052] *** unstuff escape | ||
331 | rjmp continueWithBit5;[053] | ||
332 | ; [---] ;[054] | ||
333 | |||
334 | macro POP_STANDARD ; 16 cycles | ||
335 | pop cnt | ||
336 | pop x4 | ||
337 | pop x3 | ||
338 | pop x2 | ||
339 | pop x1 | ||
340 | pop shift | ||
341 | pop YH | ||
342 | pop r0 | ||
343 | endm | ||
344 | macro POP_RETI ; 5 cycles | ||
345 | pop YL | ||
346 | out SREG, YL | ||
347 | pop YL | ||
348 | endm | ||
349 | |||
350 | #include "asmcommon.inc" | ||
351 | |||
352 | |||
353 | ; USB spec says: | ||
354 | ; idle = J | ||
355 | ; J = (D+ = 0), (D- = 1) | ||
356 | ; K = (D+ = 1), (D- = 0) | ||
357 | ; Spec allows 7.5 bit times from EOP to SOP for replies | ||
358 | |||
359 | bitstuff7: | ||
360 | eor x1, x4 ;[4] | ||
361 | ldi x2, 0 ;[5] | ||
362 | nop2 ;[6] C is zero (brcc) | ||
363 | rjmp didStuff7 ;[8] | ||
364 | |||
365 | bitstuffN: | ||
366 | eor x1, x4 ;[5] | ||
367 | ldi x2, 0 ;[6] | ||
368 | lpm ;[7] 3 cycle NOP, modifies r0 | ||
369 | out USBOUT, x1 ;[10] <-- out | ||
370 | rjmp didStuffN ;[0] | ||
371 | |||
372 | #define bitStatus x3 | ||
373 | |||
374 | sendNakAndReti: | ||
375 | ldi cnt, USBPID_NAK ;[-19] | ||
376 | rjmp sendCntAndReti ;[-18] | ||
377 | sendAckAndReti: | ||
378 | ldi cnt, USBPID_ACK ;[-17] | ||
379 | sendCntAndReti: | ||
380 | mov r0, cnt ;[-16] | ||
381 | ldi YL, 0 ;[-15] R0 address is 0 | ||
382 | ldi YH, 0 ;[-14] | ||
383 | ldi cnt, 2 ;[-13] | ||
384 | ; rjmp usbSendAndReti fallthrough | ||
385 | |||
386 | ;usbSend: | ||
387 | ;pointer to data in 'Y' | ||
388 | ;number of bytes in 'cnt' -- including sync byte [range 2 ... 12] | ||
389 | ;uses: x1...x4, shift, cnt, Y | ||
390 | ;Numbers in brackets are time since first bit of sync pattern is sent | ||
391 | usbSendAndReti: ; 12 cycles until SOP | ||
392 | in x2, USBDDR ;[-12] | ||
393 | ori x2, USBMASK ;[-11] | ||
394 | sbi USBOUT, USBMINUS;[-10] prepare idle state; D+ and D- must have been 0 (no pullups) | ||
395 | in x1, USBOUT ;[-8] port mirror for tx loop | ||
396 | out USBDDR, x2 ;[-7] <- acquire bus | ||
397 | ; need not init x2 (bitstuff history) because sync starts with 0 | ||
398 | ldi x4, USBMASK ;[-6] exor mask | ||
399 | ldi shift, 0x80 ;[-5] sync byte is first byte sent | ||
400 | ldi bitStatus, 0xff ;[-4] init bit loop counter, works for up to 12 bytes | ||
401 | byteloop: | ||
402 | bitloop: | ||
403 | sbrs shift, 0 ;[8] [-3] | ||
404 | eor x1, x4 ;[9] [-2] | ||
405 | out USBOUT, x1 ;[10] [-1] <-- out | ||
406 | ror shift ;[0] | ||
407 | ror x2 ;[1] | ||
408 | didStuffN: | ||
409 | cpi x2, 0xfc ;[2] | ||
410 | brcc bitstuffN ;[3] | ||
411 | nop ;[4] | ||
412 | subi bitStatus, 37 ;[5] 256 / 7 ~=~ 37 | ||
413 | brcc bitloop ;[6] when we leave the loop, bitStatus has almost the initial value | ||
414 | sbrs shift, 0 ;[7] | ||
415 | eor x1, x4 ;[8] | ||
416 | ror shift ;[9] | ||
417 | didStuff7: | ||
418 | out USBOUT, x1 ;[10] <-- out | ||
419 | ror x2 ;[0] | ||
420 | cpi x2, 0xfc ;[1] | ||
421 | brcc bitstuff7 ;[2] | ||
422 | ld shift, y+ ;[3] | ||
423 | dec cnt ;[5] | ||
424 | brne byteloop ;[6] | ||
425 | ;make SE0: | ||
426 | cbr x1, USBMASK ;[7] prepare SE0 [spec says EOP may be 21 to 25 cycles] | ||
427 | lds x2, usbNewDeviceAddr;[8] | ||
428 | lsl x2 ;[10] we compare with left shifted address | ||
429 | out USBOUT, x1 ;[11] <-- out SE0 -- from now 2 bits = 22 cycles until bus idle | ||
430 | ;2006-03-06: moved transfer of new address to usbDeviceAddr from C-Code to asm: | ||
431 | ;set address only after data packet was sent, not after handshake | ||
432 | subi YL, 2 ;[0] Only assign address on data packets, not ACK/NAK in r0 | ||
433 | sbci YH, 0 ;[1] | ||
434 | breq skipAddrAssign ;[2] | ||
435 | sts usbDeviceAddr, x2; if not skipped: SE0 is one cycle longer | ||
436 | skipAddrAssign: | ||
437 | ;end of usbDeviceAddress transfer | ||
438 | ldi x2, 1<<USB_INTR_PENDING_BIT;[4] int0 occurred during TX -- clear pending flag | ||
439 | USB_STORE_PENDING(x2) ;[5] | ||
440 | ori x1, USBIDLE ;[6] | ||
441 | in x2, USBDDR ;[7] | ||
442 | cbr x2, USBMASK ;[8] set both pins to input | ||
443 | mov x3, x1 ;[9] | ||
444 | cbr x3, USBMASK ;[10] configure no pullup on both pins | ||
445 | ldi x4, 4 ;[11] | ||
446 | se0Delay: | ||
447 | dec x4 ;[12] [15] [18] [21] | ||
448 | brne se0Delay ;[13] [16] [19] [22] | ||
449 | out USBOUT, x1 ;[23] <-- out J (idle) -- end of SE0 (EOP signal) | ||
450 | out USBDDR, x2 ;[24] <-- release bus now | ||
451 | out USBOUT, x3 ;[25] <-- ensure no pull-up resistors are active | ||
452 | rjmp doReturn | ||
453 | |||
diff --git a/tmk_core/protocol/vusb/usbdrv/usbdrvasm18-crc.inc b/tmk_core/protocol/vusb/usbdrv/usbdrvasm18-crc.inc deleted file mode 100644 index f83347df7..000000000 --- a/tmk_core/protocol/vusb/usbdrv/usbdrvasm18-crc.inc +++ /dev/null | |||
@@ -1,707 +0,0 @@ | |||
1 | /* Name: usbdrvasm18.inc | ||
2 | * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers | ||
3 | * Author: Lukas Schrittwieser (based on 20 MHz usbdrvasm20.inc by Jeroen Benschop) | ||
4 | * Creation Date: 2009-01-20 | ||
5 | * Tabsize: 4 | ||
6 | * Copyright: (c) 2008 by Lukas Schrittwieser and OBJECTIVE DEVELOPMENT Software GmbH | ||
7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
8 | * Revision: $Id: usbdrvasm18-crc.inc 740 2009-04-13 18:23:31Z cs $ | ||
9 | */ | ||
10 | |||
11 | /* Do not link this file! Link usbdrvasm.S instead, which includes the | ||
12 | * appropriate implementation! | ||
13 | */ | ||
14 | |||
15 | /* | ||
16 | General Description: | ||
17 | This file is the 18 MHz version of the asssembler part of the USB driver. It | ||
18 | requires a 18 MHz crystal (not a ceramic resonator and not a calibrated RC | ||
19 | oscillator). | ||
20 | |||
21 | See usbdrv.h for a description of the entire driver. | ||
22 | |||
23 | Since almost all of this code is timing critical, don't change unless you | ||
24 | really know what you are doing! Many parts require not only a maximum number | ||
25 | of CPU cycles, but even an exact number of cycles! | ||
26 | */ | ||
27 | |||
28 | |||
29 | ;max stack usage: [ret(2), YL, SREG, YH, [sofError], bitcnt(x5), shift, x1, x2, x3, x4, cnt, ZL, ZH] = 14 bytes | ||
30 | ;nominal frequency: 18 MHz -> 12 cycles per bit | ||
31 | ; Numbers in brackets are clocks counted from center of last sync bit | ||
32 | ; when instruction starts | ||
33 | ;register use in receive loop to receive the data bytes: | ||
34 | ; shift assembles the byte currently being received | ||
35 | ; x1 holds the D+ and D- line state | ||
36 | ; x2 holds the previous line state | ||
37 | ; cnt holds the number of bytes left in the receive buffer | ||
38 | ; x3 holds the higher crc byte (see algorithm below) | ||
39 | ; x4 is used as temporary register for the crc algorithm | ||
40 | ; x5 is used for unstuffing: when unstuffing the last received bit is inverted in shift (to prevent further | ||
41 | ; unstuffing calls. In the same time the corresponding bit in x5 is cleared to mark the bit as beening iverted | ||
42 | ; zl lower crc value and crc table index | ||
43 | ; zh used for crc table accesses | ||
44 | |||
45 | ;-------------------------------------------------------------------------------------------------------------- | ||
46 | ; CRC mods: | ||
47 | ; table driven crc checker, Z points to table in prog space | ||
48 | ; ZL is the lower crc byte, x3 is the higher crc byte | ||
49 | ; x4 is used as temp register to store different results | ||
50 | ; the initialization of the crc register is not 0xFFFF but 0xFE54. This is because during the receipt of the | ||
51 | ; first data byte an virtual zero data byte is added to the crc register, this results in the correct initial | ||
52 | ; value of 0xFFFF at beginning of the second data byte before the first data byte is added to the crc. | ||
53 | ; The magic number 0xFE54 results form the crc table: At tabH[0x54] = 0xFF = crcH (required) and | ||
54 | ; tabL[0x54] = 0x01 -> crcL = 0x01 xor 0xFE = 0xFF | ||
55 | ; bitcnt is renamed to x5 and is used for unstuffing purposes, the unstuffing works like in the 12MHz version | ||
56 | ;-------------------------------------------------------------------------------------------------------------- | ||
57 | ; CRC algorithm: | ||
58 | ; The crc register is formed by x3 (higher byte) and ZL (lower byte). The algorithm uses a 'reversed' form | ||
59 | ; i.e. that it takes the least significant bit first and shifts to the right. So in fact the highest order | ||
60 | ; bit seen from the polynomial devision point of view is the lsb of ZL. (If this sounds strange to you i | ||
61 | ; propose a research on CRC :-) ) | ||
62 | ; Each data byte received is xored to ZL, the lower crc byte. This byte now builds the crc | ||
63 | ; table index. Next the new high byte is loaded from the table and stored in x4 until we have space in x3 | ||
64 | ; (its destination). | ||
65 | ; Afterwards the lower table is loaded from the table and stored in ZL (the old index is overwritten as | ||
66 | ; we don't need it anymore. In fact this is a right shift by 8 bits.) Now the old crc high value is xored | ||
67 | ; to ZL, this is the second shift of the old crc value. Now x4 (the temp reg) is moved to x3 and the crc | ||
68 | ; calculation is done. | ||
69 | ; Prior to the first byte the two CRC register have to be initialized to 0xFFFF (as defined in usb spec) | ||
70 | ; however the crc engine also runs during the receipt of the first byte, therefore x3 and zl are initialized | ||
71 | ; to a magic number which results in a crc value of 0xFFFF after the first complete byte. | ||
72 | ; | ||
73 | ; This algorithm is split into the extra cycles of the different bits: | ||
74 | ; bit7: XOR the received byte to ZL | ||
75 | ; bit5: load the new high byte to x4 | ||
76 | ; bit6: load the lower xor byte from the table, xor zl and x3, store result in zl (=the new crc low value) | ||
77 | ; move x4 (the new high byte) to x3, the crc value is ready | ||
78 | ; | ||
79 | |||
80 | |||
81 | macro POP_STANDARD ; 18 cycles | ||
82 | pop ZH | ||
83 | pop ZL | ||
84 | pop cnt | ||
85 | pop x5 | ||
86 | pop x3 | ||
87 | pop x2 | ||
88 | pop x1 | ||
89 | pop shift | ||
90 | pop x4 | ||
91 | endm | ||
92 | macro POP_RETI ; 7 cycles | ||
93 | pop YH | ||
94 | pop YL | ||
95 | out SREG, YL | ||
96 | pop YL | ||
97 | endm | ||
98 | |||
99 | macro CRC_CLEANUP_AND_CHECK | ||
100 | ; the last byte has already been xored with the lower crc byte, we have to do the table lookup and xor | ||
101 | ; x3 is the higher crc byte, zl the lower one | ||
102 | ldi ZH, hi8(usbCrcTableHigh);[+1] get the new high byte from the table | ||
103 | lpm x2, Z ;[+2][+3][+4] | ||
104 | ldi ZH, hi8(usbCrcTableLow);[+5] get the new low xor byte from the table | ||
105 | lpm ZL, Z ;[+6][+7][+8] | ||
106 | eor ZL, x3 ;[+7] xor the old high byte with the value from the table, x2:ZL now holds the crc value | ||
107 | cpi ZL, 0x01 ;[+8] if the crc is ok we have a fixed remainder value of 0xb001 in x2:ZL (see usb spec) | ||
108 | brne ignorePacket ;[+9] detected a crc fault -> paket is ignored and retransmitted by the host | ||
109 | cpi x2, 0xb0 ;[+10] | ||
110 | brne ignorePacket ;[+11] detected a crc fault -> paket is ignored and retransmitted by the host | ||
111 | endm | ||
112 | |||
113 | |||
114 | USB_INTR_VECTOR: | ||
115 | ;order of registers pushed: YL, SREG, YH, [sofError], x4, shift, x1, x2, x3, x5, cnt, ZL, ZH | ||
116 | push YL ;[-28] push only what is necessary to sync with edge ASAP | ||
117 | in YL, SREG ;[-26] | ||
118 | push YL ;[-25] | ||
119 | push YH ;[-23] | ||
120 | ;---------------------------------------------------------------------------- | ||
121 | ; Synchronize with sync pattern: | ||
122 | ;---------------------------------------------------------------------------- | ||
123 | ;sync byte (D-) pattern LSb to MSb: 01010100 [1 = idle = J, 0 = K] | ||
124 | ;sync up with J to K edge during sync pattern -- use fastest possible loops | ||
125 | ;The first part waits at most 1 bit long since we must be in sync pattern. | ||
126 | ;YL is guarenteed to be < 0x80 because I flag is clear. When we jump to | ||
127 | ;waitForJ, ensure that this prerequisite is met. | ||
128 | waitForJ: | ||
129 | inc YL | ||
130 | sbis USBIN, USBMINUS | ||
131 | brne waitForJ ; just make sure we have ANY timeout | ||
132 | waitForK: | ||
133 | ;The following code results in a sampling window of < 1/4 bit which meets the spec. | ||
134 | sbis USBIN, USBMINUS ;[-17] | ||
135 | rjmp foundK ;[-16] | ||
136 | sbis USBIN, USBMINUS | ||
137 | rjmp foundK | ||
138 | sbis USBIN, USBMINUS | ||
139 | rjmp foundK | ||
140 | sbis USBIN, USBMINUS | ||
141 | rjmp foundK | ||
142 | sbis USBIN, USBMINUS | ||
143 | rjmp foundK | ||
144 | sbis USBIN, USBMINUS | ||
145 | rjmp foundK | ||
146 | sbis USBIN, USBMINUS | ||
147 | rjmp foundK | ||
148 | sbis USBIN, USBMINUS | ||
149 | rjmp foundK | ||
150 | sbis USBIN, USBMINUS | ||
151 | rjmp foundK | ||
152 | #if USB_COUNT_SOF | ||
153 | lds YL, usbSofCount | ||
154 | inc YL | ||
155 | sts usbSofCount, YL | ||
156 | #endif /* USB_COUNT_SOF */ | ||
157 | #ifdef USB_SOF_HOOK | ||
158 | USB_SOF_HOOK | ||
159 | #endif | ||
160 | rjmp sofError | ||
161 | foundK: ;[-15] | ||
162 | ;{3, 5} after falling D- edge, average delay: 4 cycles | ||
163 | ;bit0 should be at 30 (2.5 bits) for center sampling. Currently at 4 so 26 cylces till bit 0 sample | ||
164 | ;use 1 bit time for setup purposes, then sample again. Numbers in brackets | ||
165 | ;are cycles from center of first sync (double K) bit after the instruction | ||
166 | push x4 ;[-14] | ||
167 | ; [---] ;[-13] | ||
168 | lds YL, usbInputBufOffset;[-12] used to toggle the two usb receive buffers | ||
169 | ; [---] ;[-11] | ||
170 | clr YH ;[-10] | ||
171 | subi YL, lo8(-(usbRxBuf));[-9] [rx loop init] | ||
172 | sbci YH, hi8(-(usbRxBuf));[-8] [rx loop init] | ||
173 | push shift ;[-7] | ||
174 | ; [---] ;[-6] | ||
175 | ldi shift, 0x80 ;[-5] the last bit is the end of byte marker for the pid receiver loop | ||
176 | clc ;[-4] the carry has to be clear for receipt of pid bit 0 | ||
177 | sbis USBIN, USBMINUS ;[-3] we want two bits K (sample 3 cycles too early) | ||
178 | rjmp haveTwoBitsK ;[-2] | ||
179 | pop shift ;[-1] undo the push from before | ||
180 | pop x4 ;[1] | ||
181 | rjmp waitForK ;[3] this was not the end of sync, retry | ||
182 | ; The entire loop from waitForK until rjmp waitForK above must not exceed two | ||
183 | ; bit times (= 24 cycles). | ||
184 | |||
185 | ;---------------------------------------------------------------------------- | ||
186 | ; push more registers and initialize values while we sample the first bits: | ||
187 | ;---------------------------------------------------------------------------- | ||
188 | haveTwoBitsK: | ||
189 | push x1 ;[0] | ||
190 | push x2 ;[2] | ||
191 | push x3 ;[4] crc high byte | ||
192 | ldi x2, 1<<USBPLUS ;[6] [rx loop init] current line state is K state. D+=="1", D-=="0" | ||
193 | push x5 ;[7] | ||
194 | push cnt ;[9] | ||
195 | ldi cnt, USB_BUFSIZE ;[11] | ||
196 | |||
197 | |||
198 | ;-------------------------------------------------------------------------------------------------------------- | ||
199 | ; receives the pid byte | ||
200 | ; there is no real unstuffing algorithm implemented here as a stuffing bit is impossible in the pid byte. | ||
201 | ; That's because the last four bits of the byte are the inverted of the first four bits. If we detect a | ||
202 | ; unstuffing condition something went wrong and abort | ||
203 | ; shift has to be initialized to 0x80 | ||
204 | ;-------------------------------------------------------------------------------------------------------------- | ||
205 | |||
206 | ; pid bit 0 - used for even more register saving (we need the z pointer) | ||
207 | in x1, USBIN ;[0] sample line state | ||
208 | andi x1, USBMASK ;[1] filter only D+ and D- bits | ||
209 | eor x2, x1 ;[2] generate inverted of actual bit | ||
210 | sbrc x2, USBMINUS ;[3] if the bit is set we received a zero | ||
211 | sec ;[4] | ||
212 | ror shift ;[5] we perform no unstuffing check here as this is the first bit | ||
213 | mov x2, x1 ;[6] | ||
214 | push ZL ;[7] | ||
215 | ;[8] | ||
216 | push ZH ;[9] | ||
217 | ;[10] | ||
218 | ldi x3, 0xFE ;[11] x3 is the high order crc value | ||
219 | |||
220 | |||
221 | bitloopPid: | ||
222 | in x1, USBIN ;[0] sample line state | ||
223 | andi x1, USBMASK ;[1] filter only D+ and D- bits | ||
224 | breq nse0 ;[2] both lines are low so handle se0 | ||
225 | eor x2, x1 ;[3] generate inverted of actual bit | ||
226 | sbrc x2, USBMINUS ;[4] set the carry if we received a zero | ||
227 | sec ;[5] | ||
228 | ror shift ;[6] | ||
229 | ldi ZL, 0x54 ;[7] ZL is the low order crc value | ||
230 | ser x4 ;[8] the is no bit stuffing check here as the pid bit can't be stuffed. if so | ||
231 | ; some error occured. In this case the paket is discarded later on anyway. | ||
232 | mov x2, x1 ;[9] prepare for the next cycle | ||
233 | brcc bitloopPid ;[10] while 0s drop out of shift we get the next bit | ||
234 | eor x4, shift ;[11] invert all bits in shift and store result in x4 | ||
235 | |||
236 | ;-------------------------------------------------------------------------------------------------------------- | ||
237 | ; receives data bytes and calculates the crc | ||
238 | ; the last USBIN state has to be in x2 | ||
239 | ; this is only the first half, due to branch distanc limitations the second half of the loop is near the end | ||
240 | ; of this asm file | ||
241 | ;-------------------------------------------------------------------------------------------------------------- | ||
242 | |||
243 | rxDataStart: | ||
244 | in x1, USBIN ;[0] sample line state (note: a se0 check is not useful due to bit dribbling) | ||
245 | ser x5 ;[1] prepare the unstuff marker register | ||
246 | eor x2, x1 ;[2] generates the inverted of the actual bit | ||
247 | bst x2, USBMINUS ;[3] copy the bit from x2 | ||
248 | bld shift, 0 ;[4] and store it in shift | ||
249 | mov x2, shift ;[5] make a copy of shift for unstuffing check | ||
250 | andi x2, 0xF9 ;[6] mask the last six bits, if we got six zeros (which are six ones in fact) | ||
251 | breq unstuff0 ;[7] then Z is set now and we branch to the unstuffing handler | ||
252 | didunstuff0: | ||
253 | subi cnt, 1 ;[8] cannot use dec because it doesn't affect the carry flag | ||
254 | brcs nOverflow ;[9] Too many bytes received. Ignore packet | ||
255 | st Y+, x4 ;[10] store the last received byte | ||
256 | ;[11] st needs two cycles | ||
257 | |||
258 | ; bit1 | ||
259 | in x2, USBIN ;[0] sample line state | ||
260 | andi x1, USBMASK ;[1] check for se0 during bit 0 | ||
261 | breq nse0 ;[2] | ||
262 | andi x2, USBMASK ;[3] check se0 during bit 1 | ||
263 | breq nse0 ;[4] | ||
264 | eor x1, x2 ;[5] | ||
265 | bst x1, USBMINUS ;[6] | ||
266 | bld shift, 1 ;[7] | ||
267 | mov x1, shift ;[8] | ||
268 | andi x1, 0xF3 ;[9] | ||
269 | breq unstuff1 ;[10] | ||
270 | didunstuff1: | ||
271 | nop ;[11] | ||
272 | |||
273 | ; bit2 | ||
274 | in x1, USBIN ;[0] sample line state | ||
275 | andi x1, USBMASK ;[1] check for se0 (as there is nothing else to do here | ||
276 | breq nOverflow ;[2] | ||
277 | eor x2, x1 ;[3] generates the inverted of the actual bit | ||
278 | bst x2, USBMINUS ;[4] | ||
279 | bld shift, 2 ;[5] store the bit | ||
280 | mov x2, shift ;[6] | ||
281 | andi x2, 0xE7 ;[7] if we have six zeros here (which means six 1 in the stream) | ||
282 | breq unstuff2 ;[8] the next bit is a stuffing bit | ||
283 | didunstuff2: | ||
284 | nop2 ;[9] | ||
285 | ;[10] | ||
286 | nop ;[11] | ||
287 | |||
288 | ; bit3 | ||
289 | in x2, USBIN ;[0] sample line state | ||
290 | andi x2, USBMASK ;[1] check for se0 | ||
291 | breq nOverflow ;[2] | ||
292 | eor x1, x2 ;[3] | ||
293 | bst x1, USBMINUS ;[4] | ||
294 | bld shift, 3 ;[5] | ||
295 | mov x1, shift ;[6] | ||
296 | andi x1, 0xCF ;[7] | ||
297 | breq unstuff3 ;[8] | ||
298 | didunstuff3: | ||
299 | nop ;[9] | ||
300 | rjmp rxDataBit4 ;[10] | ||
301 | ;[11] | ||
302 | |||
303 | ; the avr branch instructions allow an offset of +63 insturction only, so we need this | ||
304 | ; 'local copy' of se0 | ||
305 | nse0: | ||
306 | rjmp se0 ;[4] | ||
307 | ;[5] | ||
308 | ; the same same as for se0 is needed for overflow and StuffErr | ||
309 | nOverflow: | ||
310 | stuffErr: | ||
311 | rjmp overflow | ||
312 | |||
313 | |||
314 | unstuff0: ;[8] this is the branch delay of breq unstuffX | ||
315 | andi x1, USBMASK ;[9] do an se0 check here (if the last crc byte ends with 5 one's we might end up here | ||
316 | breq didunstuff0 ;[10] event tough the message is complete -> jump back and store the byte | ||
317 | ori shift, 0x01 ;[11] invert the last received bit to prevent furhter unstuffing | ||
318 | in x2, USBIN ;[0] we have some free cycles so we could check for bit stuffing errors | ||
319 | andi x5, 0xFE ;[1] mark this bit as inverted (will be corrected before storing shift) | ||
320 | eor x1, x2 ;[2] x1 and x2 have to be different because the stuff bit is always a zero | ||
321 | andi x1, USBMASK ;[3] mask the interesting bits | ||
322 | breq stuffErr ;[4] if the stuff bit is a 1-bit something went wrong | ||
323 | mov x1, x2 ;[5] the next bit expects the last state to be in x1 | ||
324 | rjmp didunstuff0 ;[6] | ||
325 | ;[7] jump delay of rjmp didunstuffX | ||
326 | |||
327 | unstuff1: ;[11] this is the jump delay of breq unstuffX | ||
328 | in x1, USBIN ;[0] we have some free cycles so we could check for bit stuffing errors | ||
329 | ori shift, 0x02 ;[1] invert the last received bit to prevent furhter unstuffing | ||
330 | andi x5, 0xFD ;[2] mark this bit as inverted (will be corrected before storing shift) | ||
331 | eor x2, x1 ;[3] x1 and x2 have to be different because the stuff bit is always a zero | ||
332 | andi x2, USBMASK ;[4] mask the interesting bits | ||
333 | breq stuffErr ;[5] if the stuff bit is a 1-bit something went wrong | ||
334 | mov x2, x1 ;[6] the next bit expects the last state to be in x2 | ||
335 | nop2 ;[7] | ||
336 | ;[8] | ||
337 | rjmp didunstuff1 ;[9] | ||
338 | ;[10] jump delay of rjmp didunstuffX | ||
339 | |||
340 | unstuff2: ;[9] this is the jump delay of breq unstuffX | ||
341 | ori shift, 0x04 ;[10] invert the last received bit to prevent furhter unstuffing | ||
342 | andi x5, 0xFB ;[11] mark this bit as inverted (will be corrected before storing shift) | ||
343 | in x2, USBIN ;[0] we have some free cycles so we could check for bit stuffing errors | ||
344 | eor x1, x2 ;[1] x1 and x2 have to be different because the stuff bit is always a zero | ||
345 | andi x1, USBMASK ;[2] mask the interesting bits | ||
346 | breq stuffErr ;[3] if the stuff bit is a 1-bit something went wrong | ||
347 | mov x1, x2 ;[4] the next bit expects the last state to be in x1 | ||
348 | nop2 ;[5] | ||
349 | ;[6] | ||
350 | rjmp didunstuff2 ;[7] | ||
351 | ;[8] jump delay of rjmp didunstuffX | ||
352 | |||
353 | unstuff3: ;[9] this is the jump delay of breq unstuffX | ||
354 | ori shift, 0x08 ;[10] invert the last received bit to prevent furhter unstuffing | ||
355 | andi x5, 0xF7 ;[11] mark this bit as inverted (will be corrected before storing shift) | ||
356 | in x1, USBIN ;[0] we have some free cycles so we could check for bit stuffing errors | ||
357 | eor x2, x1 ;[1] x1 and x2 have to be different because the stuff bit is always a zero | ||
358 | andi x2, USBMASK ;[2] mask the interesting bits | ||
359 | breq stuffErr ;[3] if the stuff bit is a 1-bit something went wrong | ||
360 | mov x2, x1 ;[4] the next bit expects the last state to be in x2 | ||
361 | nop2 ;[5] | ||
362 | ;[6] | ||
363 | rjmp didunstuff3 ;[7] | ||
364 | ;[8] jump delay of rjmp didunstuffX | ||
365 | |||
366 | |||
367 | |||
368 | ; the include has to be here due to branch distance restirctions | ||
369 | #define __USE_CRC__ | ||
370 | #include "asmcommon.inc" | ||
371 | |||
372 | |||
373 | |||
374 | ; USB spec says: | ||
375 | ; idle = J | ||
376 | ; J = (D+ = 0), (D- = 1) | ||
377 | ; K = (D+ = 1), (D- = 0) | ||
378 | ; Spec allows 7.5 bit times from EOP to SOP for replies | ||
379 | ; 7.5 bit times is 90 cycles. ...there is plenty of time | ||
380 | |||
381 | |||
382 | sendNakAndReti: | ||
383 | ldi x3, USBPID_NAK ;[-18] | ||
384 | rjmp sendX3AndReti ;[-17] | ||
385 | sendAckAndReti: | ||
386 | ldi cnt, USBPID_ACK ;[-17] | ||
387 | sendCntAndReti: | ||
388 | mov x3, cnt ;[-16] | ||
389 | sendX3AndReti: | ||
390 | ldi YL, 20 ;[-15] x3==r20 address is 20 | ||
391 | ldi YH, 0 ;[-14] | ||
392 | ldi cnt, 2 ;[-13] | ||
393 | ; rjmp usbSendAndReti fallthrough | ||
394 | |||
395 | ;usbSend: | ||
396 | ;pointer to data in 'Y' | ||
397 | ;number of bytes in 'cnt' -- including sync byte [range 2 ... 12] | ||
398 | ;uses: x1...x4, btcnt, shift, cnt, Y | ||
399 | ;Numbers in brackets are time since first bit of sync pattern is sent | ||
400 | |||
401 | usbSendAndReti: ; 12 cycles until SOP | ||
402 | in x2, USBDDR ;[-12] | ||
403 | ori x2, USBMASK ;[-11] | ||
404 | sbi USBOUT, USBMINUS;[-10] prepare idle state; D+ and D- must have been 0 (no pullups) | ||
405 | in x1, USBOUT ;[-8] port mirror for tx loop | ||
406 | out USBDDR, x2 ;[-6] <- acquire bus | ||
407 | ldi x2, 0 ;[-6] init x2 (bitstuff history) because sync starts with 0 | ||
408 | ldi x4, USBMASK ;[-5] exor mask | ||
409 | ldi shift, 0x80 ;[-4] sync byte is first byte sent | ||
410 | txByteLoop: | ||
411 | ldi bitcnt, 0x40 ;[-3]=[9] binary 01000000 | ||
412 | txBitLoop: ; the loop sends the first 7 bits of the byte | ||
413 | sbrs shift, 0 ;[-2]=[10] if we have to send a 1 don't change the line state | ||
414 | eor x1, x4 ;[-1]=[11] | ||
415 | out USBOUT, x1 ;[0] | ||
416 | ror shift ;[1] | ||
417 | ror x2 ;[2] transfers the last sent bit to the stuffing history | ||
418 | didStuffN: | ||
419 | nop ;[3] | ||
420 | nop ;[4] | ||
421 | cpi x2, 0xfc ;[5] if we sent six consecutive ones | ||
422 | brcc bitstuffN ;[6] | ||
423 | lsr bitcnt ;[7] | ||
424 | brne txBitLoop ;[8] restart the loop while the 1 is still in the bitcount | ||
425 | |||
426 | ; transmit bit 7 | ||
427 | sbrs shift, 0 ;[9] | ||
428 | eor x1, x4 ;[10] | ||
429 | didStuff7: | ||
430 | ror shift ;[11] | ||
431 | out USBOUT, x1 ;[0] transfer bit 7 to the pins | ||
432 | ror x2 ;[1] move the bit into the stuffing history | ||
433 | cpi x2, 0xfc ;[2] | ||
434 | brcc bitstuff7 ;[3] | ||
435 | ld shift, y+ ;[4] get next byte to transmit | ||
436 | dec cnt ;[5] decrement byte counter | ||
437 | brne txByteLoop ;[7] if we have more bytes start next one | ||
438 | ;[8] branch delay | ||
439 | |||
440 | ;make SE0: | ||
441 | cbr x1, USBMASK ;[8] prepare SE0 [spec says EOP may be 25 to 30 cycles] | ||
442 | lds x2, usbNewDeviceAddr;[9] | ||
443 | lsl x2 ;[11] we compare with left shifted address | ||
444 | out USBOUT, x1 ;[0] <-- out SE0 -- from now 2 bits = 24 cycles until bus idle | ||
445 | subi YL, 20 + 2 ;[1] Only assign address on data packets, not ACK/NAK in x3 | ||
446 | sbci YH, 0 ;[2] | ||
447 | ;2006-03-06: moved transfer of new address to usbDeviceAddr from C-Code to asm: | ||
448 | ;set address only after data packet was sent, not after handshake | ||
449 | breq skipAddrAssign ;[3] | ||
450 | sts usbDeviceAddr, x2 ; if not skipped: SE0 is one cycle longer | ||
451 | skipAddrAssign: | ||
452 | ;end of usbDeviceAddress transfer | ||
453 | ldi x2, 1<<USB_INTR_PENDING_BIT;[5] int0 occurred during TX -- clear pending flag | ||
454 | USB_STORE_PENDING(x2) ;[6] | ||
455 | ori x1, USBIDLE ;[7] | ||
456 | in x2, USBDDR ;[8] | ||
457 | cbr x2, USBMASK ;[9] set both pins to input | ||
458 | mov x3, x1 ;[10] | ||
459 | cbr x3, USBMASK ;[11] configure no pullup on both pins | ||
460 | ldi x4, 4 ;[12] | ||
461 | se0Delay: | ||
462 | dec x4 ;[13] [16] [19] [22] | ||
463 | brne se0Delay ;[14] [17] [20] [23] | ||
464 | out USBOUT, x1 ;[24] <-- out J (idle) -- end of SE0 (EOP signal) | ||
465 | out USBDDR, x2 ;[25] <-- release bus now | ||
466 | out USBOUT, x3 ;[26] <-- ensure no pull-up resistors are active | ||
467 | rjmp doReturn | ||
468 | |||
469 | bitstuffN: | ||
470 | eor x1, x4 ;[8] generate a zero | ||
471 | ldi x2, 0 ;[9] reset the bit stuffing history | ||
472 | nop2 ;[10] | ||
473 | out USBOUT, x1 ;[0] <-- send the stuffing bit | ||
474 | rjmp didStuffN ;[1] | ||
475 | |||
476 | bitstuff7: | ||
477 | eor x1, x4 ;[5] | ||
478 | ldi x2, 0 ;[6] reset bit stuffing history | ||
479 | clc ;[7] fill a zero into the shift register | ||
480 | rol shift ;[8] compensate for ror shift at branch destination | ||
481 | rjmp didStuff7 ;[9] | ||
482 | ;[10] jump delay | ||
483 | |||
484 | ;-------------------------------------------------------------------------------------------------------------- | ||
485 | ; receives data bytes and calculates the crc | ||
486 | ; second half of the data byte receiver loop | ||
487 | ; most parts of the crc algorithm are here | ||
488 | ;-------------------------------------------------------------------------------------------------------------- | ||
489 | |||
490 | nOverflow2: | ||
491 | rjmp overflow | ||
492 | |||
493 | rxDataBit4: | ||
494 | in x1, USBIN ;[0] sample line state | ||
495 | andi x1, USBMASK ;[1] check for se0 | ||
496 | breq nOverflow2 ;[2] | ||
497 | eor x2, x1 ;[3] | ||
498 | bst x2, USBMINUS ;[4] | ||
499 | bld shift, 4 ;[5] | ||
500 | mov x2, shift ;[6] | ||
501 | andi x2, 0x9F ;[7] | ||
502 | breq unstuff4 ;[8] | ||
503 | didunstuff4: | ||
504 | nop2 ;[9][10] | ||
505 | nop ;[11] | ||
506 | |||
507 | ; bit5 | ||
508 | in x2, USBIN ;[0] sample line state | ||
509 | ldi ZH, hi8(usbCrcTableHigh);[1] use the table for the higher byte | ||
510 | eor x1, x2 ;[2] | ||
511 | bst x1, USBMINUS ;[3] | ||
512 | bld shift, 5 ;[4] | ||
513 | mov x1, shift ;[5] | ||
514 | andi x1, 0x3F ;[6] | ||
515 | breq unstuff5 ;[7] | ||
516 | didunstuff5: | ||
517 | lpm x4, Z ;[8] load the higher crc xor-byte and store it for later use | ||
518 | ;[9] lpm needs 3 cycles | ||
519 | ;[10] | ||
520 | ldi ZH, hi8(usbCrcTableLow);[11] load the lower crc xor byte adress | ||
521 | |||
522 | ; bit6 | ||
523 | in x1, USBIN ;[0] sample line state | ||
524 | eor x2, x1 ;[1] | ||
525 | bst x2, USBMINUS ;[2] | ||
526 | bld shift, 6 ;[3] | ||
527 | mov x2, shift ;[4] | ||
528 | andi x2, 0x7E ;[5] | ||
529 | breq unstuff6 ;[6] | ||
530 | didunstuff6: | ||
531 | lpm ZL, Z ;[7] load the lower xor crc byte | ||
532 | ;[8] lpm needs 3 cycles | ||
533 | ;[9] | ||
534 | eor ZL, x3 ;[10] xor the old high crc byte with the low xor-byte | ||
535 | mov x3, x4 ;[11] move the new high order crc value from temp to its destination | ||
536 | |||
537 | ; bit7 | ||
538 | in x2, USBIN ;[0] sample line state | ||
539 | eor x1, x2 ;[1] | ||
540 | bst x1, USBMINUS ;[2] | ||
541 | bld shift, 7 ;[3] now shift holds the complete but inverted data byte | ||
542 | mov x1, shift ;[4] | ||
543 | andi x1, 0xFC ;[5] | ||
544 | breq unstuff7 ;[6] | ||
545 | didunstuff7: | ||
546 | eor x5, shift ;[7] x5 marks all bits which have not been inverted by the unstuffing subs | ||
547 | mov x4, x5 ;[8] keep a copy of the data byte it will be stored during next bit0 | ||
548 | eor ZL, x4 ;[9] feed the actual byte into the crc algorithm | ||
549 | rjmp rxDataStart ;[10] next byte | ||
550 | ;[11] during the reception of the next byte this one will be fed int the crc algorithm | ||
551 | |||
552 | unstuff4: ;[9] this is the jump delay of rjmp unstuffX | ||
553 | ori shift, 0x10 ;[10] invert the last received bit to prevent furhter unstuffing | ||
554 | andi x5, 0xEF ;[11] mark this bit as inverted (will be corrected before storing shift) | ||
555 | in x2, USBIN ;[0] we have some free cycles so we could check for bit stuffing errors | ||
556 | eor x1, x2 ;[1] x1 and x2 have to be different because the stuff bit is always a zero | ||
557 | andi x1, USBMASK ;[2] mask the interesting bits | ||
558 | breq stuffErr2 ;[3] if the stuff bit is a 1-bit something went wrong | ||
559 | mov x1, x2 ;[4] the next bit expects the last state to be in x1 | ||
560 | nop2 ;[5] | ||
561 | ;[6] | ||
562 | rjmp didunstuff4 ;[7] | ||
563 | ;[8] jump delay of rjmp didunstuffX | ||
564 | |||
565 | unstuff5: ;[8] this is the jump delay of rjmp unstuffX | ||
566 | nop ;[9] | ||
567 | ori shift, 0x20 ;[10] invert the last received bit to prevent furhter unstuffing | ||
568 | andi x5, 0xDF ;[11] mark this bit as inverted (will be corrected before storing shift) | ||
569 | in x1, USBIN ;[0] we have some free cycles so we could check for bit stuffing errors | ||
570 | eor x2, x1 ;[1] x1 and x2 have to be different because the stuff bit is always a zero | ||
571 | andi x2, USBMASK ;[2] mask the interesting bits | ||
572 | breq stuffErr2 ;[3] if the stuff bit is a 1-bit something went wrong | ||
573 | mov x2, x1 ;[4] the next bit expects the last state to be in x2 | ||
574 | nop ;[5] | ||
575 | rjmp didunstuff5 ;[6] | ||
576 | ;[7] jump delay of rjmp didunstuffX | ||
577 | |||
578 | unstuff6: ;[7] this is the jump delay of rjmp unstuffX | ||
579 | nop2 ;[8] | ||
580 | ;[9] | ||
581 | ori shift, 0x40 ;[10] invert the last received bit to prevent furhter unstuffing | ||
582 | andi x5, 0xBF ;[11] mark this bit as inverted (will be corrected before storing shift) | ||
583 | in x2, USBIN ;[0] we have some free cycles so we could check for bit stuffing errors | ||
584 | eor x1, x2 ;[1] x1 and x2 have to be different because the stuff bit is always a zero | ||
585 | andi x1, USBMASK ;[2] mask the interesting bits | ||
586 | breq stuffErr2 ;[3] if the stuff bit is a 1-bit something went wrong | ||
587 | mov x1, x2 ;[4] the next bit expects the last state to be in x1 | ||
588 | rjmp didunstuff6 ;[5] | ||
589 | ;[6] jump delay of rjmp didunstuffX | ||
590 | |||
591 | unstuff7: ;[7] this is the jump delay of rjmp unstuffX | ||
592 | nop ;[8] | ||
593 | nop ;[9] | ||
594 | ori shift, 0x80 ;[10] invert the last received bit to prevent furhter unstuffing | ||
595 | andi x5, 0x7F ;[11] mark this bit as inverted (will be corrected before storing shift) | ||
596 | in x1, USBIN ;[0] we have some free cycles so we could check for bit stuffing errors | ||
597 | eor x2, x1 ;[1] x1 and x2 have to be different because the stuff bit is always a zero | ||
598 | andi x2, USBMASK ;[2] mask the interesting bits | ||
599 | breq stuffErr2 ;[3] if the stuff bit is a 1-bit something went wrong | ||
600 | mov x2, x1 ;[4] the next bit expects the last state to be in x2 | ||
601 | rjmp didunstuff7 ;[5] | ||
602 | ;[6] jump delay of rjmp didunstuff7 | ||
603 | |||
604 | ; local copy of the stuffErr desitnation for the second half of the receiver loop | ||
605 | stuffErr2: | ||
606 | rjmp stuffErr | ||
607 | |||
608 | ;-------------------------------------------------------------------------------------------------------------- | ||
609 | ; The crc table follows. It has to be aligned to enable a fast loading of the needed bytes. | ||
610 | ; There are two tables of 256 entries each, the low and the high byte table. | ||
611 | ; Table values were generated with the following C code: | ||
612 | /* | ||
613 | #include <stdio.h> | ||
614 | int main (int argc, char **argv) | ||
615 | { | ||
616 | int i, j; | ||
617 | for (i=0; i<512; i++){ | ||
618 | unsigned short crc = i & 0xff; | ||
619 | for(j=0; j<8; j++) crc = (crc >> 1) ^ ((crc & 1) ? 0xa001 : 0); | ||
620 | if((i & 7) == 0) printf("\n.byte "); | ||
621 | printf("0x%02x, ", (i > 0xff ? (crc >> 8) : crc) & 0xff); | ||
622 | if(i == 255) printf("\n"); | ||
623 | } | ||
624 | return 0; | ||
625 | } | ||
626 | |||
627 | // Use the following algorithm to compute CRC values: | ||
628 | ushort computeCrc(uchar *msg, uchar msgLen) | ||
629 | { | ||
630 | uchar i; | ||
631 | ushort crc = 0xffff; | ||
632 | for(i = 0; i < msgLen; i++) | ||
633 | crc = usbCrcTable16[lo8(crc) ^ msg[i]] ^ hi8(crc); | ||
634 | return crc; | ||
635 | } | ||
636 | */ | ||
637 | |||
638 | .balign 256 | ||
639 | usbCrcTableLow: | ||
640 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
641 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
642 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
643 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
644 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
645 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
646 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
647 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
648 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
649 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
650 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
651 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
652 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
653 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
654 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
655 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
656 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
657 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
658 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
659 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
660 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
661 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
662 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
663 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
664 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
665 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
666 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
667 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
668 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
669 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
670 | .byte 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41 | ||
671 | .byte 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 | ||
672 | |||
673 | ; .balign 256 | ||
674 | usbCrcTableHigh: | ||
675 | .byte 0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2 | ||
676 | .byte 0xC6, 0x06, 0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04 | ||
677 | .byte 0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E | ||
678 | .byte 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09, 0x08, 0xC8 | ||
679 | .byte 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A | ||
680 | .byte 0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC | ||
681 | .byte 0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6 | ||
682 | .byte 0xD2, 0x12, 0x13, 0xD3, 0x11, 0xD1, 0xD0, 0x10 | ||
683 | .byte 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32 | ||
684 | .byte 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4 | ||
685 | .byte 0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE | ||
686 | .byte 0xFA, 0x3A, 0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38 | ||
687 | .byte 0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA | ||
688 | .byte 0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED, 0xEC, 0x2C | ||
689 | .byte 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26 | ||
690 | .byte 0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0 | ||
691 | .byte 0xA0, 0x60, 0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62 | ||
692 | .byte 0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4 | ||
693 | .byte 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE | ||
694 | .byte 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68 | ||
695 | .byte 0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA | ||
696 | .byte 0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C | ||
697 | .byte 0xB4, 0x74, 0x75, 0xB5, 0x77, 0xB7, 0xB6, 0x76 | ||
698 | .byte 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0 | ||
699 | .byte 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92 | ||
700 | .byte 0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54 | ||
701 | .byte 0x9C, 0x5C, 0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E | ||
702 | .byte 0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98 | ||
703 | .byte 0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B, 0x8A, 0x4A | ||
704 | .byte 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C | ||
705 | .byte 0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86 | ||
706 | .byte 0x82, 0x42, 0x43, 0x83, 0x41, 0x81, 0x80, 0x40 | ||
707 | |||
diff --git a/tmk_core/protocol/vusb/usbdrv/usbdrvasm20.inc b/tmk_core/protocol/vusb/usbdrv/usbdrvasm20.inc deleted file mode 100644 index 303abaf64..000000000 --- a/tmk_core/protocol/vusb/usbdrv/usbdrvasm20.inc +++ /dev/null | |||
@@ -1,360 +0,0 @@ | |||
1 | /* Name: usbdrvasm20.inc | ||
2 | * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers | ||
3 | * Author: Jeroen Benschop | ||
4 | * Based on usbdrvasm16.inc from Christian Starkjohann | ||
5 | * Creation Date: 2008-03-05 | ||
6 | * Tabsize: 4 | ||
7 | * Copyright: (c) 2008 by Jeroen Benschop and OBJECTIVE DEVELOPMENT Software GmbH | ||
8 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
9 | * Revision: $Id: usbdrvasm20.inc 740 2009-04-13 18:23:31Z cs $ | ||
10 | */ | ||
11 | |||
12 | /* Do not link this file! Link usbdrvasm.S instead, which includes the | ||
13 | * appropriate implementation! | ||
14 | */ | ||
15 | |||
16 | /* | ||
17 | General Description: | ||
18 | This file is the 20 MHz version of the asssembler part of the USB driver. It | ||
19 | requires a 20 MHz crystal (not a ceramic resonator and not a calibrated RC | ||
20 | oscillator). | ||
21 | |||
22 | See usbdrv.h for a description of the entire driver. | ||
23 | |||
24 | Since almost all of this code is timing critical, don't change unless you | ||
25 | really know what you are doing! Many parts require not only a maximum number | ||
26 | of CPU cycles, but even an exact number of cycles! | ||
27 | */ | ||
28 | |||
29 | #define leap2 x3 | ||
30 | #ifdef __IAR_SYSTEMS_ASM__ | ||
31 | #define nextInst $+2 | ||
32 | #else | ||
33 | #define nextInst .+0 | ||
34 | #endif | ||
35 | |||
36 | ;max stack usage: [ret(2), YL, SREG, YH, bitcnt, shift, x1, x2, x3, x4, cnt] = 12 bytes | ||
37 | ;nominal frequency: 20 MHz -> 13.333333 cycles per bit, 106.666667 cycles per byte | ||
38 | ; Numbers in brackets are clocks counted from center of last sync bit | ||
39 | ; when instruction starts | ||
40 | ;register use in receive loop: | ||
41 | ; shift assembles the byte currently being received | ||
42 | ; x1 holds the D+ and D- line state | ||
43 | ; x2 holds the previous line state | ||
44 | ; x4 (leap) is used to add a leap cycle once every three bytes received | ||
45 | ; X3 (leap2) is used to add a leap cycle once every three stuff bits received | ||
46 | ; bitcnt is used to determine when a stuff bit is due | ||
47 | ; cnt holds the number of bytes left in the receive buffer | ||
48 | |||
49 | USB_INTR_VECTOR: | ||
50 | ;order of registers pushed: YL, SREG YH, [sofError], bitcnt, shift, x1, x2, x3, x4, cnt | ||
51 | push YL ;[-28] push only what is necessary to sync with edge ASAP | ||
52 | in YL, SREG ;[-26] | ||
53 | push YL ;[-25] | ||
54 | push YH ;[-23] | ||
55 | ;---------------------------------------------------------------------------- | ||
56 | ; Synchronize with sync pattern: | ||
57 | ;---------------------------------------------------------------------------- | ||
58 | ;sync byte (D-) pattern LSb to MSb: 01010100 [1 = idle = J, 0 = K] | ||
59 | ;sync up with J to K edge during sync pattern -- use fastest possible loops | ||
60 | ;The first part waits at most 1 bit long since we must be in sync pattern. | ||
61 | ;YL is guarenteed to be < 0x80 because I flag is clear. When we jump to | ||
62 | ;waitForJ, ensure that this prerequisite is met. | ||
63 | waitForJ: | ||
64 | inc YL | ||
65 | sbis USBIN, USBMINUS | ||
66 | brne waitForJ ; just make sure we have ANY timeout | ||
67 | waitForK: | ||
68 | ;The following code results in a sampling window of < 1/4 bit which meets the spec. | ||
69 | sbis USBIN, USBMINUS ;[-19] | ||
70 | rjmp foundK ;[-18] | ||
71 | sbis USBIN, USBMINUS | ||
72 | rjmp foundK | ||
73 | sbis USBIN, USBMINUS | ||
74 | rjmp foundK | ||
75 | sbis USBIN, USBMINUS | ||
76 | rjmp foundK | ||
77 | sbis USBIN, USBMINUS | ||
78 | rjmp foundK | ||
79 | sbis USBIN, USBMINUS | ||
80 | rjmp foundK | ||
81 | sbis USBIN, USBMINUS | ||
82 | rjmp foundK | ||
83 | sbis USBIN, USBMINUS | ||
84 | rjmp foundK | ||
85 | sbis USBIN, USBMINUS | ||
86 | rjmp foundK | ||
87 | #if USB_COUNT_SOF | ||
88 | lds YL, usbSofCount | ||
89 | inc YL | ||
90 | sts usbSofCount, YL | ||
91 | #endif /* USB_COUNT_SOF */ | ||
92 | #ifdef USB_SOF_HOOK | ||
93 | USB_SOF_HOOK | ||
94 | #endif | ||
95 | rjmp sofError | ||
96 | foundK: ;[-16] | ||
97 | ;{3, 5} after falling D- edge, average delay: 4 cycles | ||
98 | ;bit0 should be at 34 for center sampling. Currently at 4 so 30 cylces till bit 0 sample | ||
99 | ;use 1 bit time for setup purposes, then sample again. Numbers in brackets | ||
100 | ;are cycles from center of first sync (double K) bit after the instruction | ||
101 | push bitcnt ;[-16] | ||
102 | ; [---] ;[-15] | ||
103 | lds YL, usbInputBufOffset;[-14] | ||
104 | ; [---] ;[-13] | ||
105 | clr YH ;[-12] | ||
106 | subi YL, lo8(-(usbRxBuf));[-11] [rx loop init] | ||
107 | sbci YH, hi8(-(usbRxBuf));[-10] [rx loop init] | ||
108 | push shift ;[-9] | ||
109 | ; [---] ;[-8] | ||
110 | ldi shift,0x40 ;[-7] set msb to "1" so processing bit7 can be detected | ||
111 | nop2 ;[-6] | ||
112 | ; [---] ;[-5] | ||
113 | ldi bitcnt, 5 ;[-4] [rx loop init] | ||
114 | sbis USBIN, USBMINUS ;[-3] we want two bits K (sample 3 cycles too early) | ||
115 | rjmp haveTwoBitsK ;[-2] | ||
116 | pop shift ;[-1] undo the push from before | ||
117 | pop bitcnt ;[1] | ||
118 | rjmp waitForK ;[3] this was not the end of sync, retry | ||
119 | ; The entire loop from waitForK until rjmp waitForK above must not exceed two | ||
120 | ; bit times (= 27 cycles). | ||
121 | |||
122 | ;---------------------------------------------------------------------------- | ||
123 | ; push more registers and initialize values while we sample the first bits: | ||
124 | ;---------------------------------------------------------------------------- | ||
125 | haveTwoBitsK: | ||
126 | push x1 ;[0] | ||
127 | push x2 ;[2] | ||
128 | push x3 ;[4] (leap2) | ||
129 | ldi leap2, 0x55 ;[6] add leap cycle on 2nd,5th,8th,... stuff bit | ||
130 | push x4 ;[7] == leap | ||
131 | ldi leap, 0x55 ;[9] skip leap cycle on 2nd,5th,8th,... byte received | ||
132 | push cnt ;[10] | ||
133 | ldi cnt, USB_BUFSIZE ;[12] [rx loop init] | ||
134 | ldi x2, 1<<USBPLUS ;[13] current line state is K state. D+=="1", D-=="0" | ||
135 | bit0: | ||
136 | in x1, USBIN ;[0] sample line state | ||
137 | andi x1, USBMASK ;[1] filter only D+ and D- bits | ||
138 | rjmp handleBit ;[2] make bit0 14 cycles long | ||
139 | |||
140 | ;---------------------------------------------------------------------------- | ||
141 | ; Process bit7. However, bit 6 still may need unstuffing. | ||
142 | ;---------------------------------------------------------------------------- | ||
143 | |||
144 | b6checkUnstuff: | ||
145 | dec bitcnt ;[9] | ||
146 | breq unstuff6 ;[10] | ||
147 | bit7: | ||
148 | subi cnt, 1 ;[11] cannot use dec becaus it does not affect the carry flag | ||
149 | brcs overflow ;[12] Too many bytes received. Ignore packet | ||
150 | in x1, USBIN ;[0] sample line state | ||
151 | andi x1, USBMASK ;[1] filter only D+ and D- bits | ||
152 | cpse x1, x2 ;[2] when previous line state equals current line state, handle "1" | ||
153 | rjmp b7handle0 ;[3] when line state differs, handle "0" | ||
154 | sec ;[4] | ||
155 | ror shift ;[5] shift "1" into the data | ||
156 | st y+, shift ;[6] store the data into the buffer | ||
157 | ldi shift, 0x40 ;[7] reset data for receiving the next byte | ||
158 | subi leap, 0x55 ;[9] trick to introduce a leap cycle every 3 bytes | ||
159 | brcc nextInst ;[10 or 11] it will fail after 85 bytes. However low speed can only receive 11 | ||
160 | dec bitcnt ;[11 or 12] | ||
161 | brne bit0 ;[12 or 13] | ||
162 | ldi x1, 1 ;[13 or 14] unstuffing bit 7 | ||
163 | in bitcnt, USBIN ;[0] sample stuff bit | ||
164 | rjmp unstuff ;[1] | ||
165 | |||
166 | b7handle0: | ||
167 | mov x2,x1 ;[5] Set x2 to current line state | ||
168 | ldi bitcnt, 6 ;[6] | ||
169 | lsr shift ;[7] shift "0" into the data | ||
170 | st y+, shift ;[8] store data into the buffer | ||
171 | ldi shift, 0x40 ;[10] reset data for receiving the next byte | ||
172 | subi leap, 0x55 ;[11] trick to introduce a leap cycle every 3 bytes | ||
173 | brcs bit0 ;[12] it will fail after 85 bytes. However low speed can only receive 11 | ||
174 | rjmp bit0 ;[13] | ||
175 | |||
176 | |||
177 | ;---------------------------------------------------------------------------- | ||
178 | ; Handle unstuff | ||
179 | ; x1==0xFF indicate unstuffing bit6 | ||
180 | ;---------------------------------------------------------------------------- | ||
181 | |||
182 | unstuff6: | ||
183 | ldi x1,0xFF ;[12] indicate unstuffing bit 6 | ||
184 | in bitcnt, USBIN ;[0] sample stuff bit | ||
185 | nop ;[1] fix timing | ||
186 | unstuff: ;b0-5 b6 b7 | ||
187 | mov x2,bitcnt ;[3] [2] [3] Set x2 to match line state | ||
188 | subi leap2, 0x55 ;[4] [3] [4] delay loop | ||
189 | brcs nextInst ;[5] [4] [5] add one cycle every three stuff bits | ||
190 | sbci leap2,0 ;[6] [5] [6] | ||
191 | ldi bitcnt,6 ;[7] [6] [7] reset bit stuff counter | ||
192 | andi x2, USBMASK ;[8] [7] [8] only keep D+ and D- | ||
193 | cpi x1,0 ;[9] [8] [9] | ||
194 | brmi bit7 ;[10] [9] [10] finished unstuffing bit6 When x1<0 | ||
195 | breq bitloop ;[11] --- [11] finished unstuffing bit0-5 when x1=0 | ||
196 | nop ;--- --- [12] | ||
197 | in x1, USBIN ;--- --- [0] sample line state for bit0 | ||
198 | andi x1, USBMASK ;--- --- [1] filter only D+ and D- bits | ||
199 | rjmp handleBit ;--- --- [2] make bit0 14 cycles long | ||
200 | |||
201 | ;---------------------------------------------------------------------------- | ||
202 | ; Receiver loop (numbers in brackets are cycles within byte after instr) | ||
203 | ;---------------------------------------------------------------------------- | ||
204 | bitloop: | ||
205 | in x1, USBIN ;[0] sample line state | ||
206 | andi x1, USBMASK ;[1] filter only D+ and D- bits | ||
207 | breq se0 ;[2] both lines are low so handle se0 | ||
208 | handleBit: | ||
209 | cpse x1, x2 ;[3] when previous line state equals current line state, handle "1" | ||
210 | rjmp handle0 ;[4] when line state differs, handle "0" | ||
211 | sec ;[5] | ||
212 | ror shift ;[6] shift "1" into the data | ||
213 | brcs b6checkUnstuff ;[7] When after shift C is set, next bit is bit7 | ||
214 | nop2 ;[8] | ||
215 | dec bitcnt ;[10] | ||
216 | brne bitloop ;[11] | ||
217 | ldi x1,0 ;[12] indicate unstuff for bit other than bit6 or bit7 | ||
218 | in bitcnt, USBIN ;[0] sample stuff bit | ||
219 | rjmp unstuff ;[1] | ||
220 | |||
221 | handle0: | ||
222 | mov x2, x1 ;[6] Set x2 to current line state | ||
223 | ldi bitcnt, 6 ;[7] reset unstuff counter. | ||
224 | lsr shift ;[8] shift "0" into the data | ||
225 | brcs bit7 ;[9] When after shift C is set, next bit is bit7 | ||
226 | nop ;[10] | ||
227 | rjmp bitloop ;[11] | ||
228 | |||
229 | ;---------------------------------------------------------------------------- | ||
230 | ; End of receive loop. Now start handling EOP | ||
231 | ;---------------------------------------------------------------------------- | ||
232 | |||
233 | macro POP_STANDARD ; 14 cycles | ||
234 | pop cnt | ||
235 | pop x4 | ||
236 | pop x3 | ||
237 | pop x2 | ||
238 | pop x1 | ||
239 | pop shift | ||
240 | pop bitcnt | ||
241 | endm | ||
242 | macro POP_RETI ; 7 cycles | ||
243 | pop YH | ||
244 | pop YL | ||
245 | out SREG, YL | ||
246 | pop YL | ||
247 | endm | ||
248 | |||
249 | |||
250 | |||
251 | #include "asmcommon.inc" | ||
252 | |||
253 | ; USB spec says: | ||
254 | ; idle = J | ||
255 | ; J = (D+ = 0), (D- = 1) | ||
256 | ; K = (D+ = 1), (D- = 0) | ||
257 | ; Spec allows 7.5 bit times from EOP to SOP for replies | ||
258 | ; 7.5 bit times is 100 cycles. This implementation arrives a bit later at se0 | ||
259 | ; then specified in the include file but there is plenty of time | ||
260 | |||
261 | bitstuffN: | ||
262 | eor x1, x4 ;[8] | ||
263 | ldi x2, 0 ;[9] | ||
264 | nop2 ;[10] | ||
265 | out USBOUT, x1 ;[12] <-- out | ||
266 | rjmp didStuffN ;[0] | ||
267 | |||
268 | bitstuff7: | ||
269 | eor x1, x4 ;[6] | ||
270 | ldi x2, 0 ;[7] Carry is zero due to brcc | ||
271 | rol shift ;[8] compensate for ror shift at branch destination | ||
272 | nop2 ;[9] | ||
273 | rjmp didStuff7 ;[11] | ||
274 | |||
275 | sendNakAndReti: | ||
276 | ldi x3, USBPID_NAK ;[-18] | ||
277 | rjmp sendX3AndReti ;[-17] | ||
278 | sendAckAndReti: | ||
279 | ldi cnt, USBPID_ACK ;[-17] | ||
280 | sendCntAndReti: | ||
281 | mov x3, cnt ;[-16] | ||
282 | sendX3AndReti: | ||
283 | ldi YL, 20 ;[-15] x3==r20 address is 20 | ||
284 | ldi YH, 0 ;[-14] | ||
285 | ldi cnt, 2 ;[-13] | ||
286 | ; rjmp usbSendAndReti fallthrough | ||
287 | |||
288 | ;usbSend: | ||
289 | ;pointer to data in 'Y' | ||
290 | ;number of bytes in 'cnt' -- including sync byte [range 2 ... 12] | ||
291 | ;uses: x1...x4, btcnt, shift, cnt, Y | ||
292 | ;Numbers in brackets are time since first bit of sync pattern is sent | ||
293 | ;We don't match the transfer rate exactly (don't insert leap cycles every third | ||
294 | ;byte) because the spec demands only 1.5% precision anyway. | ||
295 | usbSendAndReti: ; 12 cycles until SOP | ||
296 | in x2, USBDDR ;[-12] | ||
297 | ori x2, USBMASK ;[-11] | ||
298 | sbi USBOUT, USBMINUS;[-10] prepare idle state; D+ and D- must have been 0 (no pullups) | ||
299 | in x1, USBOUT ;[-8] port mirror for tx loop | ||
300 | out USBDDR, x2 ;[-7] <- acquire bus | ||
301 | ; need not init x2 (bitstuff history) because sync starts with 0 | ||
302 | ldi x4, USBMASK ;[-6] exor mask | ||
303 | ldi shift, 0x80 ;[-5] sync byte is first byte sent | ||
304 | txByteLoop: | ||
305 | ldi bitcnt, 0x49 ;[-4] [10] binary 01001001 | ||
306 | txBitLoop: | ||
307 | sbrs shift, 0 ;[-3] [10] [11] | ||
308 | eor x1, x4 ;[-2] [11] [12] | ||
309 | out USBOUT, x1 ;[-1] [12] [13] <-- out N | ||
310 | ror shift ;[0] [13] [14] | ||
311 | ror x2 ;[1] | ||
312 | didStuffN: | ||
313 | nop2 ;[2] | ||
314 | nop ;[4] | ||
315 | cpi x2, 0xfc ;[5] | ||
316 | brcc bitstuffN ;[6] | ||
317 | lsr bitcnt ;[7] | ||
318 | brcc txBitLoop ;[8] | ||
319 | brne txBitLoop ;[9] | ||
320 | |||
321 | sbrs shift, 0 ;[10] | ||
322 | eor x1, x4 ;[11] | ||
323 | didStuff7: | ||
324 | out USBOUT, x1 ;[-1] [13] <-- out 7 | ||
325 | ror shift ;[0] [14] | ||
326 | ror x2 ;[1] | ||
327 | nop ;[2] | ||
328 | cpi x2, 0xfc ;[3] | ||
329 | brcc bitstuff7 ;[4] | ||
330 | ld shift, y+ ;[5] | ||
331 | dec cnt ;[7] | ||
332 | brne txByteLoop ;[8] | ||
333 | ;make SE0: | ||
334 | cbr x1, USBMASK ;[9] prepare SE0 [spec says EOP may be 25 to 30 cycles] | ||
335 | lds x2, usbNewDeviceAddr;[10] | ||
336 | lsl x2 ;[12] we compare with left shifted address | ||
337 | out USBOUT, x1 ;[13] <-- out SE0 -- from now 2 bits = 22 cycles until bus idle | ||
338 | subi YL, 20 + 2 ;[0] Only assign address on data packets, not ACK/NAK in x3 | ||
339 | sbci YH, 0 ;[1] | ||
340 | ;2006-03-06: moved transfer of new address to usbDeviceAddr from C-Code to asm: | ||
341 | ;set address only after data packet was sent, not after handshake | ||
342 | breq skipAddrAssign ;[2] | ||
343 | sts usbDeviceAddr, x2; if not skipped: SE0 is one cycle longer | ||
344 | skipAddrAssign: | ||
345 | ;end of usbDeviceAddress transfer | ||
346 | ldi x2, 1<<USB_INTR_PENDING_BIT;[4] int0 occurred during TX -- clear pending flag | ||
347 | USB_STORE_PENDING(x2) ;[5] | ||
348 | ori x1, USBIDLE ;[6] | ||
349 | in x2, USBDDR ;[7] | ||
350 | cbr x2, USBMASK ;[8] set both pins to input | ||
351 | mov x3, x1 ;[9] | ||
352 | cbr x3, USBMASK ;[10] configure no pullup on both pins | ||
353 | ldi x4, 5 ;[11] | ||
354 | se0Delay: | ||
355 | dec x4 ;[12] [15] [18] [21] [24] | ||
356 | brne se0Delay ;[13] [16] [19] [22] [25] | ||
357 | out USBOUT, x1 ;[26] <-- out J (idle) -- end of SE0 (EOP signal) | ||
358 | out USBDDR, x2 ;[27] <-- release bus now | ||
359 | out USBOUT, x3 ;[28] <-- ensure no pull-up resistors are active | ||
360 | rjmp doReturn | ||
diff --git a/tmk_core/protocol/vusb/usbdrv/usbportability.h b/tmk_core/protocol/vusb/usbdrv/usbportability.h deleted file mode 100644 index 206041097..000000000 --- a/tmk_core/protocol/vusb/usbdrv/usbportability.h +++ /dev/null | |||
@@ -1,146 +0,0 @@ | |||
1 | /* Name: usbportability.h | ||
2 | * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers | ||
3 | * Author: Christian Starkjohann | ||
4 | * Creation Date: 2008-06-17 | ||
5 | * Tabsize: 4 | ||
6 | * Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH | ||
7 | * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | ||
8 | * This Revision: $Id: usbportability.h 785 2010-05-30 17:57:07Z cs $ | ||
9 | */ | ||
10 | |||
11 | // clang-format off | ||
12 | |||
13 | /* | ||
14 | General Description: | ||
15 | This header is intended to contain all (or at least most of) the compiler | ||
16 | and library dependent stuff. The C code is written for avr-gcc and avr-libc. | ||
17 | The API of other development environments is converted to gcc's and avr-libc's | ||
18 | API by means of defines. | ||
19 | |||
20 | This header also contains all system includes since they depend on the | ||
21 | development environment. | ||
22 | |||
23 | Thanks to Oleg Semyonov for his help with the IAR tools port! | ||
24 | */ | ||
25 | |||
26 | #ifndef __usbportability_h_INCLUDED__ | ||
27 | #define __usbportability_h_INCLUDED__ | ||
28 | |||
29 | /* We check explicitly for IAR and CodeVision. Default is avr-gcc/avr-libc. */ | ||
30 | |||
31 | /* ------------------------------------------------------------------------- */ | ||
32 | #if defined __IAR_SYSTEMS_ICC__ || defined __IAR_SYSTEMS_ASM__ /* check for IAR */ | ||
33 | /* ------------------------------------------------------------------------- */ | ||
34 | |||
35 | #ifndef ENABLE_BIT_DEFINITIONS | ||
36 | # define ENABLE_BIT_DEFINITIONS 1 /* Enable bit definitions */ | ||
37 | #endif | ||
38 | |||
39 | /* Include IAR headers */ | ||
40 | #include <ioavr.h> | ||
41 | #ifndef __IAR_SYSTEMS_ASM__ | ||
42 | # include <inavr.h> | ||
43 | #endif | ||
44 | |||
45 | #define __attribute__(arg) /* not supported on IAR */ | ||
46 | |||
47 | #ifdef __IAR_SYSTEMS_ASM__ | ||
48 | # define __ASSEMBLER__ /* IAR does not define standard macro for asm */ | ||
49 | #endif | ||
50 | |||
51 | #ifdef __HAS_ELPM__ | ||
52 | # define PROGMEM __farflash | ||
53 | #else | ||
54 | # define PROGMEM __flash | ||
55 | #endif | ||
56 | |||
57 | #define USB_READ_FLASH(addr) (*(PROGMEM char *)(addr)) | ||
58 | |||
59 | /* The following definitions are not needed by the driver, but may be of some | ||
60 | * help if you port a gcc based project to IAR. | ||
61 | */ | ||
62 | #define cli() __disable_interrupt() | ||
63 | #define sei() __enable_interrupt() | ||
64 | #define wdt_reset() __watchdog_reset() | ||
65 | #define _BV(x) (1 << (x)) | ||
66 | |||
67 | /* assembler compatibility macros */ | ||
68 | #define nop2 rjmp $+2 /* jump to next instruction */ | ||
69 | #define XL r26 | ||
70 | #define XH r27 | ||
71 | #define YL r28 | ||
72 | #define YH r29 | ||
73 | #define ZL r30 | ||
74 | #define ZH r31 | ||
75 | #define lo8(x) LOW(x) | ||
76 | #define hi8(x) (((x)>>8) & 0xff) /* not HIGH to allow XLINK to make a proper range check */ | ||
77 | |||
78 | /* Depending on the device you use, you may get problems with the way usbdrv.h | ||
79 | * handles the differences between devices. Since IAR does not use #defines | ||
80 | * for MCU registers, we can't check for the existence of a particular | ||
81 | * register with an #ifdef. If the autodetection mechanism fails, include | ||
82 | * definitions for the required USB_INTR_* macros in your usbconfig.h. See | ||
83 | * usbconfig-prototype.h and usbdrv.h for details. | ||
84 | */ | ||
85 | |||
86 | /* ------------------------------------------------------------------------- */ | ||
87 | #elif __CODEVISIONAVR__ /* check for CodeVision AVR */ | ||
88 | /* ------------------------------------------------------------------------- */ | ||
89 | /* This port is not working (yet) */ | ||
90 | |||
91 | /* #define F_CPU _MCU_CLOCK_FREQUENCY_ seems to be defined automatically */ | ||
92 | |||
93 | #include <io.h> | ||
94 | #include <delay.h> | ||
95 | |||
96 | #define __attribute__(arg) /* not supported on IAR */ | ||
97 | |||
98 | #define PROGMEM __flash | ||
99 | #define USB_READ_FLASH(addr) (*(PROGMEM char *)(addr)) | ||
100 | |||
101 | #ifndef __ASSEMBLER__ | ||
102 | static inline void cli(void) | ||
103 | { | ||
104 | #asm("cli"); | ||
105 | } | ||
106 | static inline void sei(void) | ||
107 | { | ||
108 | #asm("sei"); | ||
109 | } | ||
110 | #endif | ||
111 | #define _delay_ms(t) delay_ms(t) | ||
112 | #define _BV(x) (1 << (x)) | ||
113 | #define USB_CFG_USE_SWITCH_STATEMENT 1 /* macro for if() cascase fails for unknown reason */ | ||
114 | |||
115 | #define macro .macro | ||
116 | #define endm .endmacro | ||
117 | #define nop2 rjmp .+0 /* jump to next instruction */ | ||
118 | |||
119 | /* ------------------------------------------------------------------------- */ | ||
120 | #else /* default development environment is avr-gcc/avr-libc */ | ||
121 | /* ------------------------------------------------------------------------- */ | ||
122 | |||
123 | #include <avr/io.h> | ||
124 | #ifdef __ASSEMBLER__ | ||
125 | # define _VECTOR(N) __vector_ ## N /* io.h does not define this for asm */ | ||
126 | #else | ||
127 | # include <avr/pgmspace.h> | ||
128 | #endif | ||
129 | |||
130 | #if USB_CFG_DRIVER_FLASH_PAGE | ||
131 | # define USB_READ_FLASH(addr) pgm_read_byte_far(((long)USB_CFG_DRIVER_FLASH_PAGE << 16) | (long)(addr)) | ||
132 | #else | ||
133 | # define USB_READ_FLASH(addr) pgm_read_byte(addr) | ||
134 | #endif | ||
135 | |||
136 | #define macro .macro | ||
137 | #define endm .endm | ||
138 | #define nop2 rjmp .+0 /* jump to next instruction */ | ||
139 | |||
140 | #endif /* development environment */ | ||
141 | |||
142 | /* for conveniecne, ensure that PRG_RDB exists */ | ||
143 | #ifndef PRG_RDB | ||
144 | # define PRG_RDB(addr) USB_READ_FLASH(addr) | ||
145 | #endif | ||
146 | #endif /* __usbportability_h_INCLUDED__ */ | ||
diff --git a/tmk_core/protocol/vusb/vusb.c b/tmk_core/protocol/vusb/vusb.c index 4c8e6003f..5feff889a 100644 --- a/tmk_core/protocol/vusb/vusb.c +++ b/tmk_core/protocol/vusb/vusb.c | |||
@@ -18,7 +18,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. | |||
18 | #include <avr/wdt.h> | 18 | #include <avr/wdt.h> |
19 | #include <util/delay.h> | 19 | #include <util/delay.h> |
20 | #include <stdint.h> | 20 | #include <stdint.h> |
21 | #include "usbdrv.h" | 21 | #include <usbdrv/usbdrv.h> |
22 | #include "usbconfig.h" | 22 | #include "usbconfig.h" |
23 | #include "host.h" | 23 | #include "host.h" |
24 | #include "report.h" | 24 | #include "report.h" |
@@ -290,12 +290,12 @@ usbMsgLen_t usbFunctionSetup(uchar data[8]) { | |||
290 | if (rq->bRequest == USBRQ_HID_GET_REPORT) { | 290 | if (rq->bRequest == USBRQ_HID_GET_REPORT) { |
291 | debug("GET_REPORT:"); | 291 | debug("GET_REPORT:"); |
292 | /* we only have one report type, so don't look at wValue */ | 292 | /* we only have one report type, so don't look at wValue */ |
293 | usbMsgPtr = (void *)&keyboard_report; | 293 | usbMsgPtr = (usbMsgPtr_t)&keyboard_report; |
294 | return sizeof(keyboard_report); | 294 | return sizeof(keyboard_report); |
295 | } else if (rq->bRequest == USBRQ_HID_GET_IDLE) { | 295 | } else if (rq->bRequest == USBRQ_HID_GET_IDLE) { |
296 | debug("GET_IDLE: "); | 296 | debug("GET_IDLE: "); |
297 | // debug_hex(vusb_idle_rate); | 297 | // debug_hex(vusb_idle_rate); |
298 | usbMsgPtr = &vusb_idle_rate; | 298 | usbMsgPtr = (usbMsgPtr_t)&vusb_idle_rate; |
299 | return 1; | 299 | return 1; |
300 | } else if (rq->bRequest == USBRQ_HID_SET_IDLE) { | 300 | } else if (rq->bRequest == USBRQ_HID_SET_IDLE) { |
301 | vusb_idle_rate = rq->wValue.bytes[1]; | 301 | vusb_idle_rate = rq->wValue.bytes[1]; |
@@ -815,29 +815,29 @@ USB_PUBLIC usbMsgLen_t usbFunctionDescriptor(struct usbRequest *rq) { | |||
815 | */ | 815 | */ |
816 | switch (rq->wValue.bytes[1]) { | 816 | switch (rq->wValue.bytes[1]) { |
817 | case USBDESCR_DEVICE: | 817 | case USBDESCR_DEVICE: |
818 | usbMsgPtr = (unsigned char *)&usbDeviceDescriptor; | 818 | usbMsgPtr = (usbMsgPtr_t)&usbDeviceDescriptor; |
819 | len = sizeof(usbDeviceDescriptor_t); | 819 | len = sizeof(usbDeviceDescriptor_t); |
820 | break; | 820 | break; |
821 | case USBDESCR_CONFIG: | 821 | case USBDESCR_CONFIG: |
822 | usbMsgPtr = (unsigned char *)&usbConfigurationDescriptor; | 822 | usbMsgPtr = (usbMsgPtr_t)&usbConfigurationDescriptor; |
823 | len = sizeof(usbConfigurationDescriptor_t); | 823 | len = sizeof(usbConfigurationDescriptor_t); |
824 | break; | 824 | break; |
825 | case USBDESCR_STRING: | 825 | case USBDESCR_STRING: |
826 | switch (rq->wValue.bytes[0]) { | 826 | switch (rq->wValue.bytes[0]) { |
827 | case 0: | 827 | case 0: |
828 | usbMsgPtr = (unsigned char *)&usbStringDescriptorZero; | 828 | usbMsgPtr = (usbMsgPtr_t)&usbStringDescriptorZero; |
829 | len = usbStringDescriptorZero.header.bLength; | 829 | len = usbStringDescriptorZero.header.bLength; |
830 | break; | 830 | break; |
831 | case 1: // iManufacturer | 831 | case 1: // iManufacturer |
832 | usbMsgPtr = (unsigned char *)&usbStringDescriptorManufacturer; | 832 | usbMsgPtr = (usbMsgPtr_t)&usbStringDescriptorManufacturer; |
833 | len = usbStringDescriptorManufacturer.header.bLength; | 833 | len = usbStringDescriptorManufacturer.header.bLength; |
834 | break; | 834 | break; |
835 | case 2: // iProduct | 835 | case 2: // iProduct |
836 | usbMsgPtr = (unsigned char *)&usbStringDescriptorProduct; | 836 | usbMsgPtr = (usbMsgPtr_t)&usbStringDescriptorProduct; |
837 | len = usbStringDescriptorProduct.header.bLength; | 837 | len = usbStringDescriptorProduct.header.bLength; |
838 | break; | 838 | break; |
839 | case 3: // iSerialNumber | 839 | case 3: // iSerialNumber |
840 | usbMsgPtr = (unsigned char *)&usbStringDescriptorSerial; | 840 | usbMsgPtr = (usbMsgPtr_t)&usbStringDescriptorSerial; |
841 | len = usbStringDescriptorSerial.header.bLength; | 841 | len = usbStringDescriptorSerial.header.bLength; |
842 | break; | 842 | break; |
843 | } | 843 | } |
@@ -845,24 +845,24 @@ USB_PUBLIC usbMsgLen_t usbFunctionDescriptor(struct usbRequest *rq) { | |||
845 | case USBDESCR_HID: | 845 | case USBDESCR_HID: |
846 | switch (rq->wValue.bytes[0]) { | 846 | switch (rq->wValue.bytes[0]) { |
847 | case KEYBOARD_INTERFACE: | 847 | case KEYBOARD_INTERFACE: |
848 | usbMsgPtr = (unsigned char *)&usbConfigurationDescriptor.keyboardHID; | 848 | usbMsgPtr = (usbMsgPtr_t)&usbConfigurationDescriptor.keyboardHID; |
849 | len = sizeof(usbHIDDescriptor_t); | 849 | len = sizeof(usbHIDDescriptor_t); |
850 | break; | 850 | break; |
851 | #if defined(RAW_ENABLE) | 851 | #if defined(RAW_ENABLE) |
852 | case RAW_INTERFACE: | 852 | case RAW_INTERFACE: |
853 | usbMsgPtr = (unsigned char *)&usbConfigurationDescriptor.rawHID; | 853 | usbMsgPtr = (usbMsgPtr_t)&usbConfigurationDescriptor.rawHID; |
854 | len = sizeof(usbHIDDescriptor_t); | 854 | len = sizeof(usbHIDDescriptor_t); |
855 | break; | 855 | break; |
856 | #endif | 856 | #endif |
857 | #if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE) | 857 | #if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE) |
858 | case MOUSE_EXTRA_INTERFACE: | 858 | case MOUSE_EXTRA_INTERFACE: |
859 | usbMsgPtr = (unsigned char *)&usbConfigurationDescriptor.mouseExtraHID; | 859 | usbMsgPtr = (usbMsgPtr_t)&usbConfigurationDescriptor.mouseExtraHID; |
860 | len = sizeof(usbHIDDescriptor_t); | 860 | len = sizeof(usbHIDDescriptor_t); |
861 | break; | 861 | break; |
862 | #endif | 862 | #endif |
863 | #if defined(CONSOLE_ENABLE) | 863 | #if defined(CONSOLE_ENABLE) |
864 | case CONSOLE_INTERFACE: | 864 | case CONSOLE_INTERFACE: |
865 | usbMsgPtr = (unsigned char *)&usbConfigurationDescriptor.consoleHID; | 865 | usbMsgPtr = (usbMsgPtr_t)&usbConfigurationDescriptor.consoleHID; |
866 | len = sizeof(usbHIDDescriptor_t); | 866 | len = sizeof(usbHIDDescriptor_t); |
867 | break; | 867 | break; |
868 | #endif | 868 | #endif |
@@ -872,24 +872,24 @@ USB_PUBLIC usbMsgLen_t usbFunctionDescriptor(struct usbRequest *rq) { | |||
872 | /* interface index */ | 872 | /* interface index */ |
873 | switch (rq->wIndex.word) { | 873 | switch (rq->wIndex.word) { |
874 | case KEYBOARD_INTERFACE: | 874 | case KEYBOARD_INTERFACE: |
875 | usbMsgPtr = (unsigned char *)keyboard_hid_report; | 875 | usbMsgPtr = (usbMsgPtr_t)keyboard_hid_report; |
876 | len = sizeof(keyboard_hid_report); | 876 | len = sizeof(keyboard_hid_report); |
877 | break; | 877 | break; |
878 | #if defined(RAW_ENABLE) | 878 | #if defined(RAW_ENABLE) |
879 | case RAW_INTERFACE: | 879 | case RAW_INTERFACE: |
880 | usbMsgPtr = (unsigned char *)raw_hid_report; | 880 | usbMsgPtr = (usbMsgPtr_t)raw_hid_report; |
881 | len = sizeof(raw_hid_report); | 881 | len = sizeof(raw_hid_report); |
882 | break; | 882 | break; |
883 | #endif | 883 | #endif |
884 | #if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE) | 884 | #if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE) |
885 | case MOUSE_EXTRA_INTERFACE: | 885 | case MOUSE_EXTRA_INTERFACE: |
886 | usbMsgPtr = (unsigned char *)mouse_extra_hid_report; | 886 | usbMsgPtr = (usbMsgPtr_t)mouse_extra_hid_report; |
887 | len = sizeof(mouse_extra_hid_report); | 887 | len = sizeof(mouse_extra_hid_report); |
888 | break; | 888 | break; |
889 | #endif | 889 | #endif |
890 | #if defined(CONSOLE_ENABLE) | 890 | #if defined(CONSOLE_ENABLE) |
891 | case CONSOLE_INTERFACE: | 891 | case CONSOLE_INTERFACE: |
892 | usbMsgPtr = (unsigned char *)console_hid_report; | 892 | usbMsgPtr = (usbMsgPtr_t)console_hid_report; |
893 | len = sizeof(console_hid_report); | 893 | len = sizeof(console_hid_report); |
894 | break; | 894 | break; |
895 | #endif | 895 | #endif |