aboutsummaryrefslogtreecommitdiff
path: root/keyboards/zinc/reva/matrix.c
diff options
context:
space:
mode:
Diffstat (limited to 'keyboards/zinc/reva/matrix.c')
-rw-r--r--keyboards/zinc/reva/matrix.c357
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/*
2Copyright 2012 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 <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
47static uint8_t debouncing = DEBOUNCE;
48static const int ROWS_PER_HAND = MATRIX_ROWS/2;
49static uint8_t error_count = 0;
50uint8_t is_master = 0 ;
51
52static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
53static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
54
55/* matrix state(1:on, 0:off) */
56static matrix_row_t matrix[MATRIX_ROWS];
57static matrix_row_t matrix_debouncing[MATRIX_ROWS];
58
59static matrix_row_t read_cols(void);
60static void init_cols(void);
61static void unselect_rows(void);
62static void select_row(uint8_t row);
63static uint8_t matrix_master_scan(void);
64
65
66__attribute__ ((weak))
67void matrix_init_kb(void) {
68 matrix_init_user();
69}
70
71__attribute__ ((weak))
72void matrix_scan_kb(void) {
73 matrix_scan_user();
74}
75
76__attribute__ ((weak))
77void matrix_init_user(void) {
78}
79
80__attribute__ ((weak))
81void matrix_scan_user(void) {
82}
83
84inline
85uint8_t matrix_rows(void)
86{
87 return MATRIX_ROWS;
88}
89
90inline
91uint8_t matrix_cols(void)
92{
93 return MATRIX_COLS;
94}
95
96void 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
121uint8_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
153int 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 {
175i2c_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
185int 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
203uint8_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
218uint8_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
264void 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
291bool matrix_is_modified(void)
292{
293 if (debouncing) return false;
294 return true;
295}
296
297inline
298bool matrix_is_on(uint8_t row, uint8_t col)
299{
300 return (matrix[row] & ((matrix_row_t)1<<col));
301}
302
303inline
304matrix_row_t matrix_get_row(uint8_t row)
305{
306 return matrix[row];
307}
308
309void 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
319uint8_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
328static 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
336static 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
345static 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
353static 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}