15 * col: { B11, B10, B2, B1, A7, B0 }
16 * row: { A10, A9, A8, B15, C13, C14, C15, A2 }
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 static bool dip_switch[4] = {0, 0, 0, 0};
26 __attribute__ ((weak))
27 void matrix_init_user(void) {}
29 __attribute__ ((weak))
30 void matrix_scan_user(void) {}
32 __attribute__ ((weak))
33 void matrix_init_kb(void) {
37 __attribute__ ((weak))
38 void matrix_scan_kb(void) {
42 void matrix_init(void) {
43 printf("matrix init\n");
44 //debug_matrix = true;
47 palSetPadMode(GPIOB, 14, PAL_MODE_INPUT_PULLUP);
48 palSetPadMode(GPIOA, 15, PAL_MODE_INPUT_PULLUP);
49 palSetPadMode(GPIOA, 10, PAL_MODE_INPUT_PULLUP);
50 palSetPadMode(GPIOB, 9, PAL_MODE_INPUT_PULLUP);
52 // actual matrix setup
53 palSetPadMode(GPIOB, 11, PAL_MODE_OUTPUT_PUSHPULL);
54 palSetPadMode(GPIOB, 10, PAL_MODE_OUTPUT_PUSHPULL);
55 palSetPadMode(GPIOB, 2, PAL_MODE_OUTPUT_PUSHPULL);
56 palSetPadMode(GPIOB, 1, PAL_MODE_OUTPUT_PUSHPULL);
57 palSetPadMode(GPIOA, 7, PAL_MODE_OUTPUT_PUSHPULL);
58 palSetPadMode(GPIOB, 0, PAL_MODE_OUTPUT_PUSHPULL);
60 palSetPadMode(GPIOA, 10, PAL_MODE_INPUT_PULLDOWN);
61 palSetPadMode(GPIOA, 9, PAL_MODE_INPUT_PULLDOWN);
62 palSetPadMode(GPIOA, 8, PAL_MODE_INPUT_PULLDOWN);
63 palSetPadMode(GPIOB, 15, PAL_MODE_INPUT_PULLDOWN);
64 palSetPadMode(GPIOC, 13, PAL_MODE_INPUT_PULLDOWN);
65 palSetPadMode(GPIOC, 14, PAL_MODE_INPUT_PULLDOWN);
66 palSetPadMode(GPIOC, 15, PAL_MODE_INPUT_PULLDOWN);
67 palSetPadMode(GPIOA, 2, PAL_MODE_INPUT_PULLDOWN);
70 memset(matrix, 0, MATRIX_ROWS * sizeof(matrix_row_t));
71 memset(matrix_debouncing, 0, MATRIX_COLS * sizeof(matrix_row_t));
74 matrix_init_quantum();
77 __attribute__ ((weak))
78 void dip_update(uint8_t index, bool active) { }
80 bool last_dip_switch[4] = {0};
82 uint8_t matrix_scan(void) {
84 dip_switch[0] = !palReadPad(GPIOB, 14);
85 dip_switch[1] = !palReadPad(GPIOA, 15);
86 dip_switch[2] = !palReadPad(GPIOA, 10);
87 dip_switch[3] = !palReadPad(GPIOB, 9);
88 for (uint8_t i = 0; i < 4; i++) {
89 if (last_dip_switch[i] ^ dip_switch[i])
90 dip_update(i, dip_switch[i]);
92 memcpy(last_dip_switch, dip_switch, sizeof(&dip_switch));
95 for (int col = 0; col < MATRIX_COLS; col++) {
96 matrix_row_t data = 0;
98 // strobe col { B11, B10, B2, B1, A7, B0 }
100 case 0: palSetPad(GPIOB, 11); break;
101 case 1: palSetPad(GPIOB, 10); break;
102 case 2: palSetPad(GPIOB, 2); break;
103 case 3: palSetPad(GPIOB, 1); break;
104 case 4: palSetPad(GPIOA, 7); break;
105 case 5: palSetPad(GPIOB, 0); break;
108 // need wait to settle pin state
111 // read row data { A10, A9, A8, B15, C13, C14, C15, A2 }
113 (palReadPad(GPIOA, 10) << 0 ) |
114 (palReadPad(GPIOA, 9) << 1 ) |
115 (palReadPad(GPIOA, 8) << 2 ) |
116 (palReadPad(GPIOB, 15) << 3 ) |
117 (palReadPad(GPIOC, 13) << 4 ) |
118 (palReadPad(GPIOC, 14) << 5 ) |
119 (palReadPad(GPIOC, 15) << 6 ) |
120 (palReadPad(GPIOA, 2) << 7 )
123 // unstrobe col { B11, B10, B2, B1, A7, B0 }
125 case 0: palClearPad(GPIOB, 11); break;
126 case 1: palClearPad(GPIOB, 10); break;
127 case 2: palClearPad(GPIOB, 2); break;
128 case 3: palClearPad(GPIOB, 1); break;
129 case 4: palClearPad(GPIOA, 7); break;
130 case 5: palClearPad(GPIOB, 0); break;
133 if (matrix_debouncing[col] != data) {
134 matrix_debouncing[col] = data;
136 debouncing_time = timer_read();
140 if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) {
141 for (int row = 0; row < MATRIX_ROWS; row++) {
143 for (int col = 0; col < MATRIX_COLS; col++) {
144 matrix[row] |= ((matrix_debouncing[col] & (1 << row) ? 1 : 0) << col);
150 matrix_scan_quantum();
155 bool matrix_is_on(uint8_t row, uint8_t col) {
156 return (matrix[row] & (1<<col));
159 matrix_row_t matrix_get_row(uint8_t row) {
163 void matrix_print(void) {
164 printf("\nr/c 01234567\n");
165 for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
166 printf("%X0: ", row);
167 matrix_row_t data = matrix_get_row(row);
168 for (int col = 0; col < MATRIX_COLS; col++) {