2 Copyright 2012 Jun Wako <wakojun@gmail.com>
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.
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.
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/>.
25 #include <avr/interrupt.h>
26 #include <util/delay.h>
31 #include "split_util.h"
32 #include <drivers/avr/pro_micro.h>
40 #ifdef ENCODER_ENABLE_CUSTOM
41 #include "common/knob_v2.h"
44 #define ERROR_DISCONNECT_COUNT 5
46 static uint8_t debouncing = DEBOUNCE;
47 static const int ROWS_PER_HAND = MATRIX_ROWS/2;
48 static uint8_t error_count = 0;
49 uint8_t is_master = 0 ;
51 static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
52 static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
54 /* matrix state(1:on, 0:off) */
55 static matrix_row_t matrix[MATRIX_ROWS];
56 static matrix_row_t matrix_debouncing[MATRIX_ROWS];
58 static matrix_row_t read_cols(void);
59 static void init_cols(void);
60 static void unselect_rows(void);
61 static void select_row(uint8_t row);
62 static uint8_t matrix_master_scan(void);
65 __attribute__ ((weak))
66 void matrix_init_kb(void) {
70 __attribute__ ((weak))
71 void matrix_scan_kb(void) {
75 __attribute__ ((weak))
76 void matrix_init_user(void) {
79 __attribute__ ((weak))
80 void matrix_scan_user(void) {
84 uint8_t matrix_rows(void)
90 uint8_t matrix_cols(void)
95 void matrix_init(void)
100 // initialize row and col
106 // initialize matrix state: all keys off
107 for (uint8_t i=0; i < MATRIX_ROWS; i++) {
109 matrix_debouncing[i] = 0;
112 is_master = has_usb();
114 #ifdef ENCODER_ENABLE_CUSTOM
115 knob_init(); //FOR ENCODER
117 matrix_init_quantum();
120 uint8_t _matrix_scan(void)
122 // Right hand is stored after the left in the matirx so, we need to offset it
123 int offset = isLeftHand ? 0 : (ROWS_PER_HAND);
125 for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
127 _delay_us(30); // without this wait read unstable value.
128 matrix_row_t cols = read_cols();
129 if (matrix_debouncing[i+offset] != cols) {
130 matrix_debouncing[i+offset] = cols;
131 debouncing = DEBOUNCE;
140 for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
141 matrix[i+offset] = matrix_debouncing[i+offset];
146 #ifdef ENCODER_ENABLE_CUSTOM
147 knob_report_t knob_report = knob_report_read();
151 matrix[5 + offset] &= 0b11111100;
152 if (knob_report.phase) { // I check for phase to avoid handling the rotation twice (on 90 and 270 degrees).
153 if (knob_report.dir > 0) {
154 matrix[5 + offset] |= 0b00000001;
155 } else if (knob_report.dir < 0) {
156 matrix[5 + offset] |= 0b00000010;
164 int serial_transaction(void) {
165 int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
166 int ret=serial_update_buffers();
171 for (int i = 0; i < ROWS_PER_HAND; ++i) {
172 matrix[slaveOffset+i] = serial_slave_buffer[i];
177 uint8_t matrix_scan(void)
180 matrix_master_scan();
184 int offset = (isLeftHand) ? ROWS_PER_HAND : 0;
186 for (int i = 0; i < ROWS_PER_HAND; ++i) {
187 matrix[offset+i] = serial_master_buffer[i];
190 matrix_scan_quantum();
196 uint8_t matrix_master_scan(void) {
198 int ret = _matrix_scan();
200 int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
202 for (int i = 0; i < ROWS_PER_HAND; ++i) {
203 serial_master_buffer[i] = matrix[offset+i];
206 if( serial_transaction() ) {
207 // turn on the indicator led when halves are disconnected
212 if (error_count > ERROR_DISCONNECT_COUNT) {
213 // reset other half if disconnected
214 int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
215 for (int i = 0; i < ROWS_PER_HAND; ++i) {
216 matrix[slaveOffset+i] = 0;
220 // turn off the indicator led on no error
224 matrix_scan_quantum();
228 void matrix_slave_scan(void) {
231 int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
233 for (int i = 0; i < ROWS_PER_HAND; ++i) {
234 serial_slave_buffer[i] = matrix[offset+i];
238 bool matrix_is_modified(void)
240 if (debouncing) return false;
245 bool matrix_is_on(uint8_t row, uint8_t col)
247 return (matrix[row] & ((matrix_row_t)1<<col));
251 matrix_row_t matrix_get_row(uint8_t row)
256 void matrix_print(void)
258 print("\nr/c 0123456789ABCDEF\n");
259 for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
260 phex(row); print(": ");
261 pbin_reverse16(matrix_get_row(row));
266 uint8_t matrix_key_count(void)
269 for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
270 count += bitpop16(matrix[i]);
275 static void init_cols(void)
277 for(int x = 0; x < MATRIX_COLS; x++) {
278 _SFR_IO8((col_pins[x] >> 4) + 1) &= ~_BV(col_pins[x] & 0xF);
279 _SFR_IO8((col_pins[x] >> 4) + 2) |= _BV(col_pins[x] & 0xF);
283 static matrix_row_t read_cols(void)
285 matrix_row_t result = 0;
286 for(int x = 0; x < MATRIX_COLS; x++) {
287 result |= (_SFR_IO8(col_pins[x] >> 4) & _BV(col_pins[x] & 0xF)) ? 0 : (1 << x);
292 static void unselect_rows(void)
294 for(int x = 0; x < ROWS_PER_HAND; x++) {
295 _SFR_IO8((row_pins[x] >> 4) + 1) &= ~_BV(row_pins[x] & 0xF);
296 _SFR_IO8((row_pins[x] >> 4) + 2) |= _BV(row_pins[x] & 0xF);
300 static void select_row(uint8_t row)
302 _SFR_IO8((row_pins[row] >> 4) + 1) |= _BV(row_pins[row] & 0xF);
303 _SFR_IO8((row_pins[row] >> 4) + 2) &= ~_BV(row_pins[row] & 0xF);