mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-11-29 06:30:17 +00:00
140 lines
3.9 KiB
C
140 lines
3.9 KiB
C
/* Copyright 2023 ArthurCyy <https://github.com/ArthurCyy>
|
|
*
|
|
* 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 "matrix.h"
|
|
#include "wait.h"
|
|
#include "common/shift_register.h"
|
|
|
|
static uint8_t read_rows(void);
|
|
static void init_cols(void);
|
|
static void select_col(uint8_t col);
|
|
static void unselect_col(uint8_t col);
|
|
static void unselect_cols(void);
|
|
|
|
static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
|
|
static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
|
|
|
|
#ifdef DIP_SWITCH_PINS
|
|
# define NUMBER_OF_DIP_SWITCHES (sizeof(dip_switch_pad) / sizeof(pin_t))
|
|
static pin_t dip_switch_pad[] = DIP_SWITCH_PINS;
|
|
#endif
|
|
|
|
void matrix_init_custom(void) {
|
|
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
|
|
setPinInputLow(row_pins[row]);
|
|
}
|
|
|
|
shift_init();
|
|
init_cols();
|
|
}
|
|
|
|
bool matrix_scan_custom(matrix_row_t current_matrix[]) {
|
|
bool changed = false;
|
|
|
|
for (uint8_t col = 0; col < MATRIX_COLS; col++) {
|
|
select_col(col);
|
|
waitInputPinDelay();
|
|
uint8_t rows = read_rows();
|
|
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
|
|
bool prev_bit = ((uint32_t)(current_matrix[row]) & (matrix_row_t)(1UL << col)) ? 1 : 0;
|
|
bool curr_bit = ((uint32_t)rows & (uint32_t)(1UL << row)) ? 1 : 0;
|
|
if (prev_bit != curr_bit) {
|
|
current_matrix[row] = (uint32_t)(current_matrix[row]) ^ (uint32_t)(1UL << col);
|
|
changed = true;
|
|
}
|
|
}
|
|
unselect_col(col);
|
|
}
|
|
|
|
return changed;
|
|
}
|
|
|
|
void matrix_power_up(void) {
|
|
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
|
|
palDisableLineEvent(row_pins[row]);
|
|
setPinInputLow(row_pins[row]);
|
|
}
|
|
init_cols();
|
|
#ifdef DIP_SWITCH_PINS
|
|
for (uint8_t i = 1; i < NUMBER_OF_DIP_SWITCHES; i++) {
|
|
setPinInputHigh(dip_switch_pad[i]);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void matrix_power_down(void) {
|
|
unselect_cols();
|
|
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
|
|
setPinInputLow(row_pins[row]);
|
|
palEnableLineEvent(row_pins[row], PAL_EVENT_MODE_RISING_EDGE);
|
|
}
|
|
#ifdef DIP_SWITCH_PINS
|
|
for (uint8_t i = 1; i < NUMBER_OF_DIP_SWITCHES; i++) {
|
|
setPinInputLow(dip_switch_pad[i]);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static uint8_t read_rows(void) {
|
|
uint8_t row_value = 0;
|
|
for(uint8_t row = 0; row < MATRIX_ROWS; row++) {
|
|
row_value |= (readPin(row_pins[row]) << row);
|
|
}
|
|
return row_value;
|
|
}
|
|
|
|
static void init_cols(void) {
|
|
shift_writeAll(0);
|
|
for(uint8_t col = 0; col < MATRIX_COLS; col++) {
|
|
if(col_pins[col] < H0) {
|
|
setPinOutput(col_pins[col]);
|
|
writePinLow(col_pins[col]);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void select_col(uint8_t col) {
|
|
if(col_pins[col] < H0){
|
|
writePinHigh(col_pins[col]);
|
|
waitInputPinDelay();
|
|
waitInputPinDelay();
|
|
waitInputPinDelay();
|
|
waitInputPinDelay();
|
|
waitInputPinDelay();
|
|
waitInputPinDelay();
|
|
}else{
|
|
shift_writePin(col_pins[col], 1);
|
|
}
|
|
}
|
|
|
|
static void unselect_col(uint8_t col) {
|
|
if(col_pins[col] < H0){
|
|
writePinLow(col_pins[col]);
|
|
}else{
|
|
shift_writePin(col_pins[col], 0);
|
|
}
|
|
}
|
|
|
|
static void unselect_cols(void) {
|
|
shift_writeAll(1);
|
|
for(uint8_t col = 0; col < MATRIX_COLS; col++) {
|
|
if(col_pins[col] < H0) {
|
|
setPinOutput(col_pins[col]);
|
|
writePinHigh(col_pins[col]);
|
|
}
|
|
}
|
|
}
|