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- #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>
-
- /*
- * #define MATRIX_ROW_PINS { PB11, PA6, PA3, PA2, PA1, PB5, PB6, PC15, PC14, PC13 }
- * #define MATRIX_COL_PINS { PB10, PB2, PB1, PB0, PA7, PB4, PB3, PB7 }
- */
- /* 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;
-
- __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
- palSetPadMode(GPIOB, 10, PAL_MODE_OUTPUT_PUSHPULL);
- palSetPadMode(GPIOB, 2, PAL_MODE_OUTPUT_PUSHPULL);
- palSetPadMode(GPIOB, 1, PAL_MODE_OUTPUT_PUSHPULL);
- palSetPadMode(GPIOB, 0, PAL_MODE_OUTPUT_PUSHPULL);
- palSetPadMode(GPIOA, 7, PAL_MODE_OUTPUT_PUSHPULL);
- palSetPadMode(GPIOB, 4, PAL_MODE_OUTPUT_PUSHPULL);
- palSetPadMode(GPIOB, 3, PAL_MODE_OUTPUT_PUSHPULL);
- palSetPadMode(GPIOB, 7, PAL_MODE_OUTPUT_PUSHPULL);
-
- palSetPadMode(GPIOB, 11, PAL_MODE_INPUT_PULLDOWN);
- palSetPadMode(GPIOA, 6, PAL_MODE_INPUT_PULLDOWN);
- palSetPadMode(GPIOA, 3, PAL_MODE_INPUT_PULLDOWN);
- palSetPadMode(GPIOA, 2, PAL_MODE_INPUT_PULLDOWN);
- palSetPadMode(GPIOA, 1, PAL_MODE_INPUT_PULLDOWN);
- palSetPadMode(GPIOB, 5, PAL_MODE_INPUT_PULLDOWN);
- palSetPadMode(GPIOB, 6, PAL_MODE_INPUT_PULLDOWN);
- palSetPadMode(GPIOC, 15, PAL_MODE_INPUT_PULLDOWN);
- palSetPadMode(GPIOC, 14, PAL_MODE_INPUT_PULLDOWN);
- palSetPadMode(GPIOC, 13, 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;
-
- // strobe col { PB10, PB2, PB1, PB0, PA7, PB4, PB3, PB7 }
- switch (col) {
- case 0: palSetPad(GPIOB, 10); break;
- case 1: palSetPad(GPIOB, 2); break;
- case 2: palSetPad(GPIOB, 1); break;
- case 3: palSetPad(GPIOB, 0); break;
- case 4: palSetPad(GPIOA, 7); break;
- case 5: palSetPad(GPIOB, 4); break;
- case 6: palSetPad(GPIOB, 3); break;
- case 7: palSetPad(GPIOB, 7); break;
- }
-
- // need wait to settle pin state
- wait_us(20);
-
- // read row data { PB11, PA6, PA3, PA2, PA1, PB5, PB6, PC15, PC14, PC13 }
- data = (
- (palReadPad(GPIOB, 11) << 0 ) |
- (palReadPad(GPIOA, 6) << 1 ) |
- (palReadPad(GPIOA, 3) << 2 ) |
- (palReadPad(GPIOA, 2) << 3 ) |
- (palReadPad(GPIOA, 1) << 4 ) |
- (palReadPad(GPIOB, 5) << 5 ) |
- (palReadPad(GPIOB, 6) << 6 ) |
- (palReadPad(GPIOC, 15) << 7 ) |
- (palReadPad(GPIOC, 14) << 8 ) |
- (palReadPad(GPIOC, 13) << 9 )
- );
-
- // unstrobe col { B11, B10, B2, B1, A7, B0 }
- switch (col) {
- case 0: palClearPad(GPIOB, 10); break;
- case 1: palClearPad(GPIOB, 2); break;
- case 2: palClearPad(GPIOB, 1); break;
- case 3: palClearPad(GPIOB, 0); break;
- case 4: palClearPad(GPIOA, 7); break;
- case 5: palClearPad(GPIOB, 4); break;
- case 6: palClearPad(GPIOB, 3); break;
- case 7: palClearPad(GPIOB, 7); 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(uint16_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");
- }
- }
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