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authortmk <nobody@nowhere>2013-03-05 15:41:21 +0900
committertmk <nobody@nowhere>2013-03-05 15:41:21 +0900
commit5808317b694004c43a6e0f76e9715415cce19a25 (patch)
tree9814dbe96eecbb940a710505feb82125a483dc2d /keyboard/IIgs/matrix.c
parent633d9aa53e3fc2b9fa9f01475cba9c151ab31d9a (diff)
downloadqmk_firmware-5808317b694004c43a6e0f76e9715415cce19a25.tar.gz
qmk_firmware-5808317b694004c43a6e0f76e9715415cce19a25.zip
Fix keymap for new framework
Diffstat (limited to 'keyboard/IIgs/matrix.c')
-rw-r--r--keyboard/IIgs/matrix.c363
1 files changed, 363 insertions, 0 deletions
diff --git a/keyboard/IIgs/matrix.c b/keyboard/IIgs/matrix.c
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1/*
2Copyright 2011 Jun Wako <wakojun@gmail.com>
3
4This program is free software: you can redistribute it and/or modify
5it under the terms of the GNU General Public License as published by
6the Free Software Foundation, either version 2 of the License, or
7(at your option) any later version.
8
9This program is distributed in the hope that it will be useful,
10but WITHOUT ANY WARRANTY; without even the implied warranty of
11MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12GNU General Public License for more details.
13
14You should have received a copy of the GNU General Public License
15along 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 <avr/io.h>
24#include <util/delay.h>
25#include "print.h"
26#include "debug.h"
27#include "util.h"
28#include "matrix.h"
29#include "led.h"
30
31
32#if (MATRIX_COLS > 16)
33# error "MATRIX_COLS must not exceed 16"
34#endif
35#if (MATRIX_ROWS > 255)
36# error "MATRIX_ROWS must not exceed 255"
37#endif
38
39
40#ifndef DEBOUNCE
41# define DEBOUNCE 0
42#endif
43static uint8_t debouncing = DEBOUNCE;
44
45// matrix state buffer(1:on, 0:off)
46#if (MATRIX_COLS <= 8)
47static uint8_t *matrix;
48static uint8_t *matrix_prev;
49static uint8_t _matrix0[MATRIX_ROWS];
50static uint8_t _matrix1[MATRIX_ROWS];
51#else
52static uint16_t *matrix;
53static uint16_t *matrix_prev;
54static uint16_t _matrix0[MATRIX_ROWS];
55static uint16_t _matrix1[MATRIX_ROWS];
56#endif
57
58#ifdef MATRIX_HAS_GHOST
59static bool matrix_has_ghost_in_row(uint8_t row);
60#endif
61static uint8_t read_col(uint8_t row);
62static void unselect_rows(void);
63static void select_row(uint8_t row);
64
65
66inline
67uint8_t matrix_rows(void)
68{
69 return MATRIX_ROWS;
70}
71
72inline
73uint8_t matrix_cols(void)
74{
75 return MATRIX_COLS;
76}
77
78void matrix_init(void)
79{
80 // initialize row and col
81 unselect_rows();
82 // Input with pull-up(DDR:0, PORT:1)
83 // Column C1 ~ C7 (PortC0-6)
84 // Column C0(Port E1)
85 DDRC &= ~0b01111111;
86 PORTC |= 0b01111111;
87 DDRE &= ~0b00000010;
88 PORTE |= 0b00000010;
89 //DDRB &= ~0b00000100;
90 //PORTB |= 0b00000100;
91 // modifier B3/4,F4/5,E4 always input
92 // A0
93 //DDRA |= 0b00000001;
94 //PORTA &= 0b00000001;
95 //DDRB |= 0b00011000;
96 //PORTB &= 0b00011000;
97 //DDRF |= ~0b00110000;
98 //PORTF &= 0b00110000;
99 //DDRB &= ~0b00011000;
100 //PORTB |= 0b00011000;
101 //DDRF &= ~0b00110000;
102 //PORTF |= 0b00110000;
103 //DDRE &= ~0b00010000;
104 //PORTE |= 0b00010000;
105
106 // initialize matrix state: all keys off
107 for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix0[i] = 0x00;
108 for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix1[i] = 0x00;
109 matrix = _matrix0;
110 matrix_prev = _matrix1;
111}
112
113uint8_t matrix_scan(void)
114{
115 if (!debouncing) {
116 uint8_t *tmp = matrix_prev;
117 matrix_prev = matrix;
118 matrix = tmp;
119 }
120
121 for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
122 unselect_rows();
123 select_row(i);
124 _delay_us(30); // without this wait read unstable value.
125 if ( i == ( MATRIX_ROWS - 1 ) ) { // CHECK CAPS LOCK
126 if (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) { // CAPS LOCK is ON on HOST
127 if ( ~read_col(i) & (1<< 4) ) { // CAPS LOCK is still DOWN ( 0bXXX1_XXXX)
128 matrix[i] = ~read_col(i) & 0b11101111; // change CAPS LOCK as released
129 } else { // CAPS LOCK in UP
130 matrix[i] = ~read_col(i) | 0b00010000; // send fake caps lock down
131 }
132 } else { // CAPS LOCK is OFF on HOST
133 if (matrix[i] != (uint8_t)~read_col(i)) {
134 matrix[i] = (uint8_t)~read_col(i);
135 if (debouncing) {
136 debug("bounce!: "); debug_hex(debouncing); print("\n");
137 }
138 debouncing = DEBOUNCE;
139 }
140 }
141 } else {
142 if (matrix[i] != (uint8_t)~read_col(i)) {
143 matrix[i] = (uint8_t)~read_col(i);
144 if (debouncing) {
145 debug("bounce!: "); debug_hex(debouncing); print("\n");
146 }
147 debouncing = DEBOUNCE;
148 }
149 }
150 }
151 unselect_rows();
152
153 if (debouncing) {
154 debouncing--;
155 }
156
157 return 1;
158}
159
160bool matrix_is_modified(void)
161{
162 if (debouncing) return false;
163 for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
164 if (matrix[i] != matrix_prev[i]) {
165 return true;
166 }
167 }
168 return false;
169}
170
171inline
172bool matrix_has_ghost(void)
173{
174#ifdef MATRIX_HAS_GHOST
175 for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
176 if (matrix_has_ghost_in_row(i))
177 return true;
178 }
179#endif
180 return false;
181}
182
183inline
184bool matrix_is_on(uint8_t row, uint8_t col)
185{
186// if ( row == ( MATRIX_ROWS - 1 ) && col == 4) { // CHECK CAPS LOCK
187// if (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) { // CAPS LOCK is ON on HOST
188// if ((matrix_prev[row] & 0b00010000) && (~matrix[row] & 0b00010000)) {
189// debug("CapsLock Reverse:");debug_hex(matrix[row]);
190// matrix[row] |= 0b00010000;
191// matrix_prev[row] &= ~0b00010000;
192// debug("->");debug_hex(matrix[row]);debug("\n");
193// }
194// }
195// }
196 return (matrix[row] & (1<<col));
197}
198
199inline
200#if (MATRIX_COLS <= 8)
201uint8_t matrix_get_row(uint8_t row)
202#else
203uint16_t matrix_get_row(uint8_t row)
204#endif
205{
206 return matrix[row];
207}
208
209void matrix_print(void)
210{
211 print("\nr/c 01234567\n");
212 for (uint8_t row = 0; row < matrix_rows(); row++) {
213 phex(row); print(": ");
214#if (MATRIX_COLS <= 8)
215 pbin_reverse(matrix_get_row(row));
216#else
217 pbin_reverse16(matrix_get_row(row));
218#endif
219#ifdef MATRIX_HAS_GHOST
220 if (matrix_has_ghost_in_row(row)) {
221 print(" <ghost");
222 }
223#endif
224 print("\n");
225 }
226}
227
228uint8_t matrix_key_count(void)
229{
230 uint8_t count = 0;
231 for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
232#if (MATRIX_COLS <= 8)
233 count += bitpop(matrix[i]);
234#else
235 count += bitpop16(matrix[i]);
236#endif
237 }
238 return count;
239}
240
241#ifdef MATRIX_HAS_GHOST
242inline
243static bool matrix_has_ghost_in_row(uint8_t row)
244{
245 // no ghost exists in case less than 2 keys on
246 if (((matrix[row] - 1) & matrix[row]) == 0)
247 return false;
248
249 // ghost exists in case same state as other row
250 for (uint8_t i=0; i < MATRIX_ROWS; i++) {
251 if (i != row && (matrix[i] & matrix[row]) == matrix[row])
252 return true;
253 }
254 return false;
255}
256#endif
257
258inline
259static uint8_t read_col(uint8_t row)
260{
261 // For normal : Column C1 ~ C7 (PortC0-6), C0(Port E1)
262 // For modifier : B3(CNTRL)/4(SHIFT),F4(CMD/GUI)/5(OPTION,ALT)
263 // Modifier would be copied to report->mods except E4(CAPSLOCK)
264 uint8_t tmp;
265 if ( row == 10 ) {
266 tmp = 0xC0;
267 tmp |= (PINB >> 3 ) & 0b00000011; // LEFT CTRL is 0bit in modifier (HID Spec)
268 // LEFT SHIFT is 1bit in modifier (HID Spec)
269 tmp |= (PINF >> 3 ) & 0b00000100; // LEFT ALT is 2bit in modifier (HID Spec)
270 tmp |= (PINF >> 1 ) & 0b00001000; // LEFT GUI is 3bit in modifier (HID Spec)
271 tmp |= (PINA << 4 ) & 0b00010000; // CAPSLOCK
272 tmp |= (PINB << 3 ) & 0b00100000; // POWER
273 } else {
274 tmp = 0x00;
275 tmp = (PINE >> 1)&0b00000001;
276 tmp |= PINC << 1 ;
277 }
278 return tmp;
279}
280
281inline
282static void unselect_rows(void)
283{
284 // Hi-Z(DDR:0, PORT:0) to unselect
285 // DDR : 1, output 0, input
286 DDRB &= ~0b00000011; // PB: 1,0
287 PORTB &= ~0b00000011;
288 DDRD &= ~0b00010000; // PD: 4
289 PORTD &= ~0b00010000;
290 DDRE &= ~0b11000000; // PE: 7,6
291 PORTE &= ~0b11000000;
292 DDRF &= ~0b11000111; // PF: 7,6,2,1,0
293 PORTF &= ~0b11000111;
294 // to unselect virtual row(modifier), set port to output with low
295 DDRA |= 0b00000001; // PA: 0 for CAPSLOCK
296 PORTA &= ~0b00000001;
297 DDRB |= 0b00011100; // PB: 3,4 for modifier(row10)
298 PORTB &= ~0b00011100; // PB: 2 for power
299 DDRF |= 0b00110000; // PF: 4,5 for modifier
300 PORTF &= ~0b00110000;
301}
302
303inline
304static void select_row(uint8_t row)
305{
306 // Output low(DDR:1, PORT:0) to select
307 // with row enable, column could send low to AVR when pressed
308 // row: 0 1 2 3 4 5 6 7 8 9
309 // pin: PB1, PB0, PE7, PE6, PD4, PF2, PF0, PF1, PF6 PF7
310 switch (row) {
311 case 0:
312 DDRB |= (1<<1);
313 PORTB &= ~(1<<1);
314 break;
315 case 1:
316 DDRB |= (1<<0);
317 PORTB &= ~(1<<0);
318 break;
319 case 2:
320 DDRE |= (1<<7);
321 PORTE &= ~(1<<7);
322 break;
323 case 3:
324 DDRE |= (1<<6);
325 PORTE &= ~(1<<6);
326 break;
327 case 4:
328 DDRD |= (1<<4);
329 PORTD &= ~(1<<4);
330 break;
331 case 5:
332 DDRF |= (1<<2);
333 PORTF &= ~(1<<2);
334 break;
335 case 6:
336 DDRF |= (1<<0);
337 PORTF &= ~(1<<0);
338 break;
339 case 7:
340 DDRF |= (1<<1);
341 PORTF &= ~(1<<1);
342 break;
343 case 8:
344 DDRF |= (1<<6);
345 PORTF &= ~(1<<6);
346 break;
347 case 9:
348 DDRF |= (1<<7);
349 PORTF &= ~(1<<7);
350 break;
351 case 10:
352 // modifier has no row enable
353 // to select virtual row, set port as input
354 DDRA &= ~0b00000001;
355 PORTA |= 0b00000001;
356 DDRB &= ~0b00011100;
357 PORTB |= 0b00011100;
358 DDRF &= ~0b00110000;
359 PORTF |= 0b00110000;
360 break;
361
362 }
363}