15 * #define MATRIX_ROW_PINS { PB11, PA6, PA3, PA2, PA1, PB5, PB6, PC15, PC14, PC13 }
16 * #define MATRIX_COL_PINS { PB10, PB2, PB1, PB0, PA7, PB4, PB3, PB7 }
18 /* matrix state(1:on, 0:off) */
19 static matrix_row_t matrix[MATRIX_ROWS];
20 static matrix_row_t matrix_debouncing[MATRIX_COLS];
21 static bool debouncing = false;
22 static uint16_t debouncing_time = 0;
24 __attribute__ ((weak))
25 void matrix_init_user(void) {}
27 __attribute__ ((weak))
28 void matrix_scan_user(void) {}
30 __attribute__ ((weak))
31 void matrix_init_kb(void) {
35 __attribute__ ((weak))
36 void matrix_scan_kb(void) {
40 void matrix_init(void) {
41 printf("matrix init\n");
42 //debug_matrix = true;
44 // actual matrix setup
45 palSetPadMode(GPIOB, 10, PAL_MODE_OUTPUT_PUSHPULL);
46 palSetPadMode(GPIOB, 2, PAL_MODE_OUTPUT_PUSHPULL);
47 palSetPadMode(GPIOB, 1, PAL_MODE_OUTPUT_PUSHPULL);
48 palSetPadMode(GPIOB, 0, PAL_MODE_OUTPUT_PUSHPULL);
49 palSetPadMode(GPIOA, 7, PAL_MODE_OUTPUT_PUSHPULL);
50 palSetPadMode(GPIOB, 4, PAL_MODE_OUTPUT_PUSHPULL);
51 palSetPadMode(GPIOB, 3, PAL_MODE_OUTPUT_PUSHPULL);
52 palSetPadMode(GPIOB, 7, PAL_MODE_OUTPUT_PUSHPULL);
54 palSetPadMode(GPIOB, 11, PAL_MODE_INPUT_PULLDOWN);
55 palSetPadMode(GPIOA, 6, PAL_MODE_INPUT_PULLDOWN);
56 palSetPadMode(GPIOA, 3, PAL_MODE_INPUT_PULLDOWN);
57 palSetPadMode(GPIOA, 2, PAL_MODE_INPUT_PULLDOWN);
58 palSetPadMode(GPIOA, 1, PAL_MODE_INPUT_PULLDOWN);
59 palSetPadMode(GPIOB, 5, PAL_MODE_INPUT_PULLDOWN);
60 palSetPadMode(GPIOB, 6, PAL_MODE_INPUT_PULLDOWN);
61 palSetPadMode(GPIOC, 15, PAL_MODE_INPUT_PULLDOWN);
62 palSetPadMode(GPIOC, 14, PAL_MODE_INPUT_PULLDOWN);
63 palSetPadMode(GPIOC, 13, PAL_MODE_INPUT_PULLDOWN);
65 memset(matrix, 0, MATRIX_ROWS * sizeof(matrix_row_t));
66 memset(matrix_debouncing, 0, MATRIX_COLS * sizeof(matrix_row_t));
68 matrix_init_quantum();
71 uint8_t matrix_scan(void) {
73 for (int col = 0; col < MATRIX_COLS; col++) {
74 matrix_row_t data = 0;
76 // strobe col { PB10, PB2, PB1, PB0, PA7, PB4, PB3, PB7 }
78 case 0: palSetPad(GPIOB, 10); break;
79 case 1: palSetPad(GPIOB, 2); break;
80 case 2: palSetPad(GPIOB, 1); break;
81 case 3: palSetPad(GPIOB, 0); break;
82 case 4: palSetPad(GPIOA, 7); break;
83 case 5: palSetPad(GPIOB, 4); break;
84 case 6: palSetPad(GPIOB, 3); break;
85 case 7: palSetPad(GPIOB, 7); break;
88 // need wait to settle pin state
91 // read row data { PB11, PA6, PA3, PA2, PA1, PB5, PB6, PC15, PC14, PC13 }
93 (palReadPad(GPIOB, 11) << 0 ) |
94 (palReadPad(GPIOA, 6) << 1 ) |
95 (palReadPad(GPIOA, 3) << 2 ) |
96 (palReadPad(GPIOA, 2) << 3 ) |
97 (palReadPad(GPIOA, 1) << 4 ) |
98 (palReadPad(GPIOB, 5) << 5 ) |
99 (palReadPad(GPIOB, 6) << 6 ) |
100 (palReadPad(GPIOC, 15) << 7 ) |
101 (palReadPad(GPIOC, 14) << 8 ) |
102 (palReadPad(GPIOC, 13) << 9 )
105 // unstrobe col { B11, B10, B2, B1, A7, B0 }
107 case 0: palClearPad(GPIOB, 10); break;
108 case 1: palClearPad(GPIOB, 2); break;
109 case 2: palClearPad(GPIOB, 1); break;
110 case 3: palClearPad(GPIOB, 0); break;
111 case 4: palClearPad(GPIOA, 7); break;
112 case 5: palClearPad(GPIOB, 4); break;
113 case 6: palClearPad(GPIOB, 3); break;
114 case 7: palClearPad(GPIOB, 7); break;
117 if (matrix_debouncing[col] != data) {
118 matrix_debouncing[col] = data;
120 debouncing_time = timer_read();
124 if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) {
125 for (int row = 0; row < MATRIX_ROWS; row++) {
127 for (int col = 0; col < MATRIX_COLS; col++) {
128 matrix[row] |= ((matrix_debouncing[col] & (1 << row) ? 1 : 0) << col);
134 matrix_scan_quantum();
139 bool matrix_is_on(uint8_t row, uint8_t col) {
140 return (matrix[row] & (1<<col));
143 matrix_row_t matrix_get_row(uint16_t row) {
147 void matrix_print(void) {
148 printf("\nr/c 01234567\n");
149 for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
150 printf("%X0: ", row);
151 matrix_row_t data = matrix_get_row(row);
152 for (int col = 0; col < MATRIX_COLS; col++) {