qmk-dactyl-manuform-a/keyboards/sekigon/grs_70ec/matrix.c

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/* Copyright 2020 sekigon-gonnoc
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "grs_70ec.h"
#include "ec_switch_matrix.h"
#include "matrix.h"
#include "debug.h"
#include "split_util.h"
#include "transport.h"
#include "debounce.h"
#ifndef LOW_THRESHOLD
# define LOW_THRESHOLD 200
#endif
#ifndef HIGH_THRESHOLD
# define HIGH_THRESHOLD 300
#endif
#define ERROR_DISCONNECT_COUNT 20
#define ROWS_PER_HAND (MATRIX_ROWS / 2)
/* matrix state(1:on, 0:off) */
extern matrix_row_t raw_matrix[MATRIX_ROWS]; // raw values
extern matrix_row_t matrix[MATRIX_ROWS]; // debounced values
// row offsets for each hand
uint8_t thisHand, thatHand;
// user-defined overridable functions
__attribute__((weak)) void matrix_slave_scan_user(void) {}
void matrix_init_custom(void) {
split_pre_init();
ecsm_config_t ecsm_config = {.low_threshold = LOW_THRESHOLD, .high_threshold = HIGH_THRESHOLD};
ecsm_init(&ecsm_config);
thisHand = isLeftHand ? 0 : (ROWS_PER_HAND);
thatHand = ROWS_PER_HAND - thisHand;
split_post_init();
}
bool matrix_scan_custom(matrix_row_t current_matrix[]) {
bool updated = ecsm_matrix_scan(current_matrix);
static int cnt = 0;
if (cnt++ == 300) {
cnt = 0;
ecsm_print_matrix();
print("\n");
}
return updated;
}
bool matrix_post_scan(void) {
bool changed = false;
if (is_keyboard_master()) {
static uint8_t error_count;
matrix_row_t slave_matrix[ROWS_PER_HAND] = {0};
if (!transport_master(matrix + thatHand, slave_matrix)) {
error_count++;
if (error_count > ERROR_DISCONNECT_COUNT) {
// reset other half if disconnected
dprintf("Error: disconnect split half\n");
for (int i = 0; i < ROWS_PER_HAND; ++i) {
matrix[thatHand + i] = 0;
slave_matrix[i] = 0;
}
changed = true;
}
} else {
error_count = 0;
for (int i = 0; i < ROWS_PER_HAND; ++i) {
if (matrix[thatHand + i] != slave_matrix[i]) {
matrix[thatHand + i] = slave_matrix[i];
changed = true;
}
}
}
matrix_scan_quantum();
} else {
transport_slave(matrix + thatHand, matrix + thisHand);
matrix_slave_scan_user();
}
return changed;
}
uint8_t matrix_scan(void) {
bool changed = matrix_scan_custom(raw_matrix) || matrix_post_scan();
debounce(raw_matrix, matrix + thisHand, ROWS_PER_HAND, changed);
return changed;
}