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Diffstat (limited to 'keyboards/zinc/reva/matrix.c')
-rw-r--r-- | keyboards/zinc/reva/matrix.c | 357 |
1 files changed, 0 insertions, 357 deletions
diff --git a/keyboards/zinc/reva/matrix.c b/keyboards/zinc/reva/matrix.c deleted file mode 100644 index 5b58500db..000000000 --- a/keyboards/zinc/reva/matrix.c +++ /dev/null | |||
@@ -1,357 +0,0 @@ | |||
1 | /* | ||
2 | Copyright 2012 Jun Wako <wakojun@gmail.com> | ||
3 | |||
4 | This program is free software: you can redistribute it and/or modify | ||
5 | it under the terms of the GNU General Public License as published by | ||
6 | the Free Software Foundation, either version 2 of the License, or | ||
7 | (at your option) any later version. | ||
8 | |||
9 | This program is distributed in the hope that it will be useful, | ||
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | GNU General Public License for more details. | ||
13 | |||
14 | You should have received a copy of the GNU General Public License | ||
15 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
16 | */ | ||
17 | |||
18 | /* | ||
19 | * scan matrix | ||
20 | */ | ||
21 | #include <stdint.h> | ||
22 | #include <stdbool.h> | ||
23 | #include <string.h> | ||
24 | #include <avr/io.h> | ||
25 | #include <avr/wdt.h> | ||
26 | #include <avr/interrupt.h> | ||
27 | #include <util/delay.h> | ||
28 | #include "print.h" | ||
29 | #include "debug.h" | ||
30 | #include "util.h" | ||
31 | #include "matrix.h" | ||
32 | #include "split_util.h" | ||
33 | #include "quantum.h" | ||
34 | |||
35 | #ifdef USE_MATRIX_I2C | ||
36 | # include "i2c.h" | ||
37 | #else // USE_SERIAL | ||
38 | # include "split_scomm.h" | ||
39 | #endif | ||
40 | |||
41 | #ifndef DEBOUNCE | ||
42 | # define DEBOUNCE 5 | ||
43 | #endif | ||
44 | |||
45 | #define ERROR_DISCONNECT_COUNT 5 | ||
46 | |||
47 | static uint8_t debouncing = DEBOUNCE; | ||
48 | static const int ROWS_PER_HAND = MATRIX_ROWS/2; | ||
49 | static uint8_t error_count = 0; | ||
50 | uint8_t is_master = 0 ; | ||
51 | |||
52 | static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; | ||
53 | static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; | ||
54 | |||
55 | /* matrix state(1:on, 0:off) */ | ||
56 | static matrix_row_t matrix[MATRIX_ROWS]; | ||
57 | static matrix_row_t matrix_debouncing[MATRIX_ROWS]; | ||
58 | |||
59 | static matrix_row_t read_cols(void); | ||
60 | static void init_cols(void); | ||
61 | static void unselect_rows(void); | ||
62 | static void select_row(uint8_t row); | ||
63 | static uint8_t matrix_master_scan(void); | ||
64 | |||
65 | |||
66 | __attribute__ ((weak)) | ||
67 | void matrix_init_kb(void) { | ||
68 | matrix_init_user(); | ||
69 | } | ||
70 | |||
71 | __attribute__ ((weak)) | ||
72 | void matrix_scan_kb(void) { | ||
73 | matrix_scan_user(); | ||
74 | } | ||
75 | |||
76 | __attribute__ ((weak)) | ||
77 | void matrix_init_user(void) { | ||
78 | } | ||
79 | |||
80 | __attribute__ ((weak)) | ||
81 | void matrix_scan_user(void) { | ||
82 | } | ||
83 | |||
84 | inline | ||
85 | uint8_t matrix_rows(void) | ||
86 | { | ||
87 | return MATRIX_ROWS; | ||
88 | } | ||
89 | |||
90 | inline | ||
91 | uint8_t matrix_cols(void) | ||
92 | { | ||
93 | return MATRIX_COLS; | ||
94 | } | ||
95 | |||
96 | void matrix_init(void) | ||
97 | { | ||
98 | debug_enable = true; | ||
99 | debug_matrix = true; | ||
100 | debug_mouse = true; | ||
101 | // initialize row and col | ||
102 | unselect_rows(); | ||
103 | init_cols(); | ||
104 | |||
105 | setPinOutput(B0); | ||
106 | setPinOutput(D5); | ||
107 | writePinHigh(B0); | ||
108 | writePinHigh(D5); | ||
109 | |||
110 | // initialize matrix state: all keys off | ||
111 | for (uint8_t i=0; i < MATRIX_ROWS; i++) { | ||
112 | matrix[i] = 0; | ||
113 | matrix_debouncing[i] = 0; | ||
114 | } | ||
115 | |||
116 | is_master = has_usb(); | ||
117 | |||
118 | matrix_init_quantum(); | ||
119 | } | ||
120 | |||
121 | uint8_t _matrix_scan(void) | ||
122 | { | ||
123 | // Right hand is stored after the left in the matirx so, we need to offset it | ||
124 | int offset = isLeftHand ? 0 : (ROWS_PER_HAND); | ||
125 | |||
126 | for (uint8_t i = 0; i < ROWS_PER_HAND; i++) { | ||
127 | select_row(i); | ||
128 | _delay_us(30); // without this wait read unstable value. | ||
129 | matrix_row_t cols = read_cols(); | ||
130 | if (matrix_debouncing[i+offset] != cols) { | ||
131 | matrix_debouncing[i+offset] = cols; | ||
132 | debouncing = DEBOUNCE; | ||
133 | } | ||
134 | unselect_rows(); | ||
135 | } | ||
136 | |||
137 | if (debouncing) { | ||
138 | if (--debouncing) { | ||
139 | _delay_ms(1); | ||
140 | } else { | ||
141 | for (uint8_t i = 0; i < ROWS_PER_HAND; i++) { | ||
142 | matrix[i+offset] = matrix_debouncing[i+offset]; | ||
143 | } | ||
144 | } | ||
145 | } | ||
146 | |||
147 | return 1; | ||
148 | } | ||
149 | |||
150 | #ifdef USE_MATRIX_I2C | ||
151 | |||
152 | // Get rows from other half over i2c | ||
153 | int i2c_transaction(void) { | ||
154 | int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; | ||
155 | |||
156 | int err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE); | ||
157 | if (err) goto i2c_error; | ||
158 | |||
159 | // start of matrix stored at 0x00 | ||
160 | err = i2c_master_write(0x00); | ||
161 | if (err) goto i2c_error; | ||
162 | |||
163 | // Start read | ||
164 | err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ); | ||
165 | if (err) goto i2c_error; | ||
166 | |||
167 | if (!err) { | ||
168 | int i; | ||
169 | for (i = 0; i < ROWS_PER_HAND-1; ++i) { | ||
170 | matrix[slaveOffset+i] = i2c_master_read(I2C_ACK); | ||
171 | } | ||
172 | matrix[slaveOffset+i] = i2c_master_read(I2C_NACK); | ||
173 | i2c_master_stop(); | ||
174 | } else { | ||
175 | i2c_error: // the cable is disconnceted, or something else went wrong | ||
176 | i2c_reset_state(); | ||
177 | return err; | ||
178 | } | ||
179 | |||
180 | return 0; | ||
181 | } | ||
182 | |||
183 | #else // USE_SERIAL | ||
184 | |||
185 | int serial_transaction(int master_changed) { | ||
186 | int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; | ||
187 | #ifdef SERIAL_USE_MULTI_TRANSACTION | ||
188 | int ret=serial_update_buffers(master_changed); | ||
189 | #else | ||
190 | int ret=serial_update_buffers(); | ||
191 | #endif | ||
192 | if (ret ) { | ||
193 | if(ret==2) writePinLow(B0); | ||
194 | return 1; | ||
195 | } | ||
196 | writePinHigh(B0); | ||
197 | memcpy(&matrix[slaveOffset], | ||
198 | (void *)serial_slave_buffer, sizeof(serial_slave_buffer)); | ||
199 | return 0; | ||
200 | } | ||
201 | #endif | ||
202 | |||
203 | uint8_t matrix_scan(void) | ||
204 | { | ||
205 | if (is_master) { | ||
206 | matrix_master_scan(); | ||
207 | }else{ | ||
208 | matrix_slave_scan(); | ||
209 | int offset = (isLeftHand) ? ROWS_PER_HAND : 0; | ||
210 | memcpy(&matrix[offset], | ||
211 | (void *)serial_master_buffer, sizeof(serial_master_buffer)); | ||
212 | matrix_scan_quantum(); | ||
213 | } | ||
214 | return 1; | ||
215 | } | ||
216 | |||
217 | |||
218 | uint8_t matrix_master_scan(void) { | ||
219 | |||
220 | int ret = _matrix_scan(); | ||
221 | int mchanged = 1; | ||
222 | int offset = (isLeftHand) ? 0 : ROWS_PER_HAND; | ||
223 | |||
224 | #ifdef USE_MATRIX_I2C | ||
225 | // for (int i = 0; i < ROWS_PER_HAND; ++i) { | ||
226 | /* i2c_slave_buffer[i] = matrix[offset+i]; */ | ||
227 | // i2c_slave_buffer[i] = matrix[offset+i]; | ||
228 | // } | ||
229 | #else // USE_SERIAL | ||
230 | #ifdef SERIAL_USE_MULTI_TRANSACTION | ||
231 | mchanged = memcmp((void *)serial_master_buffer, | ||
232 | &matrix[offset], sizeof(serial_master_buffer)); | ||
233 | #endif | ||
234 | memcpy((void *)serial_master_buffer, | ||
235 | &matrix[offset], sizeof(serial_master_buffer)); | ||
236 | #endif | ||
237 | |||
238 | #ifdef USE_MATRIX_I2C | ||
239 | if( i2c_transaction() ) { | ||
240 | #else // USE_SERIAL | ||
241 | if( serial_transaction(mchanged) ) { | ||
242 | #endif | ||
243 | // turn on the indicator led when halves are disconnected | ||
244 | writePinLow(D5); | ||
245 | |||
246 | error_count++; | ||
247 | |||
248 | if (error_count > ERROR_DISCONNECT_COUNT) { | ||
249 | // reset other half if disconnected | ||
250 | int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; | ||
251 | for (int i = 0; i < ROWS_PER_HAND; ++i) { | ||
252 | matrix[slaveOffset+i] = 0; | ||
253 | } | ||
254 | } | ||
255 | } else { | ||
256 | // turn off the indicator led on no error | ||
257 | writePinHigh(D5); | ||
258 | error_count = 0; | ||
259 | } | ||
260 | matrix_scan_quantum(); | ||
261 | return ret; | ||
262 | } | ||
263 | |||
264 | void matrix_slave_scan(void) { | ||
265 | _matrix_scan(); | ||
266 | |||
267 | int offset = (isLeftHand) ? 0 : ROWS_PER_HAND; | ||
268 | |||
269 | #ifdef USE_MATRIX_I2C | ||
270 | for (int i = 0; i < ROWS_PER_HAND; ++i) { | ||
271 | /* i2c_slave_buffer[i] = matrix[offset+i]; */ | ||
272 | i2c_slave_buffer[i] = matrix[offset+i]; | ||
273 | } | ||
274 | #else // USE_SERIAL | ||
275 | #ifdef SERIAL_USE_MULTI_TRANSACTION | ||
276 | int change = 0; | ||
277 | #endif | ||
278 | for (int i = 0; i < ROWS_PER_HAND; ++i) { | ||
279 | #ifdef SERIAL_USE_MULTI_TRANSACTION | ||
280 | if( serial_slave_buffer[i] != matrix[offset+i] ) | ||
281 | change = 1; | ||
282 | #endif | ||
283 | serial_slave_buffer[i] = matrix[offset+i]; | ||
284 | } | ||
285 | #ifdef SERIAL_USE_MULTI_TRANSACTION | ||
286 | slave_buffer_change_count += change; | ||
287 | #endif | ||
288 | #endif | ||
289 | } | ||
290 | |||
291 | bool matrix_is_modified(void) | ||
292 | { | ||
293 | if (debouncing) return false; | ||
294 | return true; | ||
295 | } | ||
296 | |||
297 | inline | ||
298 | bool matrix_is_on(uint8_t row, uint8_t col) | ||
299 | { | ||
300 | return (matrix[row] & ((matrix_row_t)1<<col)); | ||
301 | } | ||
302 | |||
303 | inline | ||
304 | matrix_row_t matrix_get_row(uint8_t row) | ||
305 | { | ||
306 | return matrix[row]; | ||
307 | } | ||
308 | |||
309 | void matrix_print(void) | ||
310 | { | ||
311 | print("\nr/c 0123456789ABCDEF\n"); | ||
312 | for (uint8_t row = 0; row < MATRIX_ROWS; row++) { | ||
313 | phex(row); print(": "); | ||
314 | pbin_reverse16(matrix_get_row(row)); | ||
315 | print("\n"); | ||
316 | } | ||
317 | } | ||
318 | |||
319 | uint8_t matrix_key_count(void) | ||
320 | { | ||
321 | uint8_t count = 0; | ||
322 | for (uint8_t i = 0; i < MATRIX_ROWS; i++) { | ||
323 | count += bitpop16(matrix[i]); | ||
324 | } | ||
325 | return count; | ||
326 | } | ||
327 | |||
328 | static void init_cols(void) | ||
329 | { | ||
330 | for(int x = 0; x < MATRIX_COLS; x++) { | ||
331 | _SFR_IO8((col_pins[x] >> 4) + 1) &= ~_BV(col_pins[x] & 0xF); | ||
332 | _SFR_IO8((col_pins[x] >> 4) + 2) |= _BV(col_pins[x] & 0xF); | ||
333 | } | ||
334 | } | ||
335 | |||
336 | static matrix_row_t read_cols(void) | ||
337 | { | ||
338 | matrix_row_t result = 0; | ||
339 | for(int x = 0; x < MATRIX_COLS; x++) { | ||
340 | result |= (_SFR_IO8(col_pins[x] >> 4) & _BV(col_pins[x] & 0xF)) ? 0 : (1 << x); | ||
341 | } | ||
342 | return result; | ||
343 | } | ||
344 | |||
345 | static void unselect_rows(void) | ||
346 | { | ||
347 | for(int x = 0; x < ROWS_PER_HAND; x++) { | ||
348 | _SFR_IO8((row_pins[x] >> 4) + 1) &= ~_BV(row_pins[x] & 0xF); | ||
349 | _SFR_IO8((row_pins[x] >> 4) + 2) |= _BV(row_pins[x] & 0xF); | ||
350 | } | ||
351 | } | ||
352 | |||
353 | static void select_row(uint8_t row) | ||
354 | { | ||
355 | _SFR_IO8((row_pins[row] >> 4) + 1) |= _BV(row_pins[row] & 0xF); | ||
356 | _SFR_IO8((row_pins[row] >> 4) + 2) &= ~_BV(row_pins[row] & 0xF); | ||
357 | } | ||