qmk_firmware/keyboards/muon_light/matrix.c
2018-06-06 18:21:51 -04:00

124 lines
2.9 KiB
C

#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include "hal.h"
#include "timer.h"
#include "wait.h"
#include "printf.h"
#include "backlight.h"
#include "matrix.h"
#include "action.h"
#include "keycode.h"
#include <string.h>
#include "quantum.h"
/*
* col: { A10, B2, A15, A0, A1, A2, B0, B1, C13, A6, A7, A3 }
* row: { B5, B10, A9, A8 }
*/
/* matrix state(1:on, 0:off) */
static matrix_row_t matrix[MATRIX_ROWS];
static matrix_row_t matrix_debouncing[MATRIX_COLS];
static bool debouncing = false;
static uint16_t debouncing_time = 0;
static LINE_TYPE matrix_col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
static LINE_TYPE matrix_row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
__attribute__ ((weak))
void matrix_init_user(void) {}
__attribute__ ((weak))
void matrix_scan_user(void) {}
__attribute__ ((weak))
void matrix_init_kb(void) {
matrix_init_user();
}
__attribute__ ((weak))
void matrix_scan_kb(void) {
matrix_scan_user();
}
void matrix_init(void) {
printf("matrix init\n");
//debug_matrix = true;
// actual matrix setup
for (int i = 0; i < MATRIX_COLS; i++) {
setPadMode(matrix_col_pins[i], PAL_MODE_OUTPUT_PUSHPULL);
}
for (int i = 0; i < MATRIX_ROWS; i++) {
setPadMode(matrix_row_pins[i], PAL_MODE_INPUT_PULLDOWN);
}
memset(matrix, 0, MATRIX_ROWS * sizeof(matrix_row_t));
memset(matrix_debouncing, 0, MATRIX_COLS * sizeof(matrix_row_t));
matrix_init_quantum();
}
uint8_t matrix_scan(void) {
// actual matrix
for (int col = 0; col < MATRIX_COLS; col++) {
matrix_row_t data = 0;
setPad(matrix_col_pins[col]);
// need wait to settle pin state
wait_us(20);
for (int row = 0; row < MATRIX_ROWS; row++) {
data |= (readPad(matrix_row_pins[row]) << row);
}
clearPad(matrix_col_pins[col]);
if (matrix_debouncing[col] != data) {
matrix_debouncing[col] = data;
debouncing = true;
debouncing_time = timer_read();
}
}
if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) {
for (int row = 0; row < MATRIX_ROWS; row++) {
matrix[row] = 0;
for (int col = 0; col < MATRIX_COLS; col++) {
matrix[row] |= ((matrix_debouncing[col] & (1 << row) ? 1 : 0) << col);
}
}
debouncing = false;
}
matrix_scan_quantum();
return 1;
}
bool matrix_is_on(uint8_t row, uint8_t col) {
return (matrix[row] & (1<<col));
}
matrix_row_t matrix_get_row(uint8_t row) {
return matrix[row];
}
void matrix_print(void) {
printf("\nr/c 01234567\n");
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
printf("%X0: ", row);
matrix_row_t data = matrix_get_row(row);
for (int col = 0; col < MATRIX_COLS; col++) {
if (data & (1<<col))
printf("1");
else
printf("0");
}
printf("\n");
}
}