205 lines
5.9 KiB
C
205 lines
5.9 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>
|
|
|
|
/*
|
|
* col: { B11, B10, B2, B1, A7, B0 }
|
|
* row: { A10, A9, A8, B15, C13, C14, C15, A2 }
|
|
*/
|
|
/* 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 uint8_t encoder_state = 0;
|
|
static int8_t encoder_value = 0;
|
|
static int8_t encoder_LUT[] = { 0, -1, 1, 0, 1, 0, 0, -1, -1, 0, 0, 1, 0, 1, -1, 0 };
|
|
|
|
static bool dip_switch[4] = {0, 0, 0, 0};
|
|
|
|
__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;
|
|
|
|
// dip switch setup
|
|
palSetPadMode(GPIOB, 14, PAL_MODE_INPUT_PULLUP);
|
|
palSetPadMode(GPIOA, 15, PAL_MODE_INPUT_PULLUP);
|
|
palSetPadMode(GPIOA, 10, PAL_MODE_INPUT_PULLUP);
|
|
palSetPadMode(GPIOB, 9, PAL_MODE_INPUT_PULLUP);
|
|
|
|
// encoder setup
|
|
palSetPadMode(GPIOB, 12, PAL_MODE_INPUT_PULLUP);
|
|
palSetPadMode(GPIOB, 13, PAL_MODE_INPUT_PULLUP);
|
|
|
|
encoder_state = (palReadPad(GPIOB, 12) << 0) | (palReadPad(GPIOB, 13) << 1);
|
|
|
|
// actual matrix setup
|
|
palSetPadMode(GPIOB, 11, PAL_MODE_OUTPUT_PUSHPULL);
|
|
palSetPadMode(GPIOB, 10, PAL_MODE_OUTPUT_PUSHPULL);
|
|
palSetPadMode(GPIOB, 2, PAL_MODE_OUTPUT_PUSHPULL);
|
|
palSetPadMode(GPIOB, 1, PAL_MODE_OUTPUT_PUSHPULL);
|
|
palSetPadMode(GPIOA, 7, PAL_MODE_OUTPUT_PUSHPULL);
|
|
palSetPadMode(GPIOB, 0, PAL_MODE_OUTPUT_PUSHPULL);
|
|
|
|
palSetPadMode(GPIOA, 10, PAL_MODE_INPUT_PULLDOWN);
|
|
palSetPadMode(GPIOA, 9, PAL_MODE_INPUT_PULLDOWN);
|
|
palSetPadMode(GPIOA, 8, PAL_MODE_INPUT_PULLDOWN);
|
|
palSetPadMode(GPIOB, 15, PAL_MODE_INPUT_PULLDOWN);
|
|
palSetPadMode(GPIOC, 13, PAL_MODE_INPUT_PULLDOWN);
|
|
palSetPadMode(GPIOC, 14, PAL_MODE_INPUT_PULLDOWN);
|
|
palSetPadMode(GPIOC, 15, PAL_MODE_INPUT_PULLDOWN);
|
|
palSetPadMode(GPIOA, 2, 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();
|
|
}
|
|
|
|
__attribute__ ((weak))
|
|
void dip_update(uint8_t index, bool value) { }
|
|
|
|
__attribute__ ((weak))
|
|
void encoder_update(bool direction) { }
|
|
|
|
bool last_dip_switch[4] = {0};
|
|
|
|
#ifndef ENCODER_RESOLUTION
|
|
#define ENCODER_RESOLUTION 4
|
|
#endif
|
|
|
|
uint8_t matrix_scan(void) {
|
|
// dip switch
|
|
dip_switch[0] = palReadPad(GPIOB, 14);
|
|
dip_switch[1] = palReadPad(GPIOA, 15);
|
|
dip_switch[2] = palReadPad(GPIOA, 10);
|
|
dip_switch[3] = palReadPad(GPIOB, 9);
|
|
for (uint8_t i = 0; i < 4; i++) {
|
|
if (last_dip_switch[i] ^ dip_switch[i])
|
|
dip_update(i, dip_switch[i]);
|
|
}
|
|
memcpy(last_dip_switch, dip_switch, sizeof(&dip_switch));
|
|
|
|
// encoder on B12 and B13
|
|
encoder_state <<= 2;
|
|
encoder_state |= (palReadPad(GPIOB, 12) << 0) | (palReadPad(GPIOB, 13) << 1);
|
|
encoder_value += encoder_LUT[encoder_state & 0xF];
|
|
if (encoder_value >= ENCODER_RESOLUTION) {
|
|
encoder_update(1);
|
|
}
|
|
if (encoder_value <= -ENCODER_RESOLUTION) {
|
|
encoder_update(0);
|
|
}
|
|
encoder_value %= ENCODER_RESOLUTION;
|
|
|
|
// actual matrix
|
|
for (int col = 0; col < MATRIX_COLS; col++) {
|
|
matrix_row_t data = 0;
|
|
|
|
// strobe col { B11, B10, B2, B1, A7, B0 }
|
|
switch (col) {
|
|
case 0: palSetPad(GPIOB, 11); break;
|
|
case 1: palSetPad(GPIOB, 10); break;
|
|
case 2: palSetPad(GPIOB, 2); break;
|
|
case 3: palSetPad(GPIOB, 1); break;
|
|
case 4: palSetPad(GPIOA, 7); break;
|
|
case 5: palSetPad(GPIOB, 0); break;
|
|
}
|
|
|
|
// need wait to settle pin state
|
|
wait_us(20);
|
|
|
|
// read row data { A10, A9, A8, B15, C13, C14, C15, A2 }
|
|
data = (
|
|
(palReadPad(GPIOA, 10) << 0 ) |
|
|
(palReadPad(GPIOA, 9) << 1 ) |
|
|
(palReadPad(GPIOA, 8) << 2 ) |
|
|
(palReadPad(GPIOB, 15) << 3 ) |
|
|
(palReadPad(GPIOC, 13) << 4 ) |
|
|
(palReadPad(GPIOC, 14) << 5 ) |
|
|
(palReadPad(GPIOC, 15) << 6 ) |
|
|
(palReadPad(GPIOA, 2) << 7 )
|
|
);
|
|
|
|
// unstrobe col { B11, B10, B2, B1, A7, B0 }
|
|
switch (col) {
|
|
case 0: palClearPad(GPIOB, 11); break;
|
|
case 1: palClearPad(GPIOB, 10); break;
|
|
case 2: palClearPad(GPIOB, 2); break;
|
|
case 3: palClearPad(GPIOB, 1); break;
|
|
case 4: palClearPad(GPIOA, 7); break;
|
|
case 5: palClearPad(GPIOB, 0); break;
|
|
}
|
|
|
|
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");
|
|
}
|
|
}
|