forked from mirrors/qmk_firmware
119 lines
No EOL
3.3 KiB
C
119 lines
No EOL
3.3 KiB
C
/*
|
|
Copyright 2023 QVEX Tech
|
|
|
|
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 <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <string.h>
|
|
#include "util.h"
|
|
#include "matrix.h"
|
|
#include "debounce.h"
|
|
#include "quantum.h"
|
|
|
|
static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
|
|
static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
|
|
|
|
extern matrix_row_t raw_matrix[MATRIX_ROWS]; // raw values
|
|
extern matrix_row_t matrix[MATRIX_ROWS]; // debounced values
|
|
|
|
static void select_row(uint8_t row) {
|
|
setPinOutput(row_pins[row]);
|
|
writePinLow(row_pins[row]);
|
|
}
|
|
|
|
static void unselect_row(uint8_t row) {
|
|
setPinInputHigh(row_pins[row]);
|
|
}
|
|
|
|
static void unselect_rows(void) {
|
|
for (uint8_t x = 0; x < MATRIX_ROWS; x++) {
|
|
setPinInputHigh(row_pins[x]);
|
|
}
|
|
}
|
|
|
|
static void init_pins(void) {
|
|
unselect_rows();
|
|
for (uint8_t x = 0; x < MATRIX_COLS; x++) {
|
|
setPinInputHigh(col_pins[x]);
|
|
}
|
|
setPinInputHigh(PIN_JU);
|
|
setPinInputHigh(PIN_JD);
|
|
setPinInputHigh(PIN_JL);
|
|
setPinInputHigh(PIN_JR);
|
|
setPinInputHigh(PIN_JC);
|
|
setPinInputHigh(PIN_TC);
|
|
}
|
|
|
|
static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
|
|
if (current_row > 2) return false;
|
|
|
|
matrix_row_t last_row_value = current_matrix[current_row];
|
|
|
|
current_matrix[current_row] = 0;
|
|
|
|
select_row(current_row);
|
|
wait_us(30);
|
|
|
|
for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
|
|
uint8_t pin_state = readPin(col_pins[col_index]);
|
|
current_matrix[current_row] |= pin_state ? 0 : (MATRIX_ROW_SHIFTER << col_index);
|
|
}
|
|
|
|
unselect_row(current_row);
|
|
|
|
return (last_row_value != current_matrix[current_row]);
|
|
}
|
|
|
|
static bool read_encoder_switches(matrix_row_t current_matrix[]) {
|
|
matrix_row_t last_fourth_row = current_matrix[3];
|
|
matrix_row_t last_fifth_row = current_matrix[4];
|
|
|
|
current_matrix[3] = 0;
|
|
current_matrix[4] = 0;
|
|
|
|
current_matrix[4] |= !readPin(PIN_TC) ? (1 << 1) : 0;
|
|
|
|
if (!readPin(PIN_JC)) {
|
|
if (!readPin(PIN_JU)) {
|
|
current_matrix[3] |= (1 << 0);
|
|
} else if (!readPin(PIN_JD)) {
|
|
current_matrix[3] |= (1 << 1);
|
|
} else if (!readPin(PIN_JL)) {
|
|
current_matrix[3] |= (1 << 2);
|
|
} else if (!readPin(PIN_JR)) {
|
|
current_matrix[3] |= (1 << 3);
|
|
} else {
|
|
current_matrix[4] |= (1 << 0);
|
|
}
|
|
}
|
|
|
|
return last_fourth_row != current_matrix[3] || last_fifth_row != current_matrix[4];
|
|
}
|
|
|
|
void matrix_init_custom(void) {
|
|
init_pins();
|
|
}
|
|
|
|
bool matrix_scan_custom(void) {
|
|
bool changed = false;
|
|
|
|
for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
|
|
changed |= read_cols_on_row(raw_matrix, current_row);
|
|
}
|
|
|
|
changed |= read_encoder_switches(raw_matrix);
|
|
|
|
return changed;
|
|
} |