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_col_t matrix_debouncing[MATRIX_COLS];
21 static bool debouncing = false;
22 static uint16_t debouncing_time = 0;
24 static uint8_t encoder_state = 0;
25 static int8_t encoder_value = 0;
26 static int8_t encoder_LUT[] = { 0, -1, 1, 0, 1, 0, 0, -1, -1, 0, 0, 1, 0, 1, -1, 0 };
28 static bool dip_switch[4] = {0, 0, 0, 0};
30 __attribute__ ((weak))
31 void matrix_init_user(void) {}
33 __attribute__ ((weak))
34 void matrix_scan_user(void) {}
36 __attribute__ ((weak))
37 void matrix_init_kb(void) {
41 __attribute__ ((weak))
42 void matrix_scan_kb(void) {
46 void matrix_init(void) {
47 printf("matrix init\n");
48 //debug_matrix = true;
51 palSetPadMode(GPIOB, 14, PAL_MODE_INPUT_PULLUP);
52 palSetPadMode(GPIOA, 15, PAL_MODE_INPUT_PULLUP);
53 palSetPadMode(GPIOA, 10, PAL_MODE_INPUT_PULLUP);
54 palSetPadMode(GPIOB, 9, PAL_MODE_INPUT_PULLUP);
57 palSetPadMode(GPIOB, 12, PAL_MODE_INPUT_PULLUP);
58 palSetPadMode(GPIOB, 13, PAL_MODE_INPUT_PULLUP);
60 encoder_state = (palReadPad(GPIOB, 12) << 0) | (palReadPad(GPIOB, 13) << 1);
62 // actual matrix setup
63 palSetPadMode(GPIOB, 11, PAL_MODE_OUTPUT_PUSHPULL);
64 palSetPadMode(GPIOB, 10, PAL_MODE_OUTPUT_PUSHPULL);
65 palSetPadMode(GPIOB, 2, PAL_MODE_OUTPUT_PUSHPULL);
66 palSetPadMode(GPIOB, 1, PAL_MODE_OUTPUT_PUSHPULL);
67 palSetPadMode(GPIOA, 7, PAL_MODE_OUTPUT_PUSHPULL);
68 palSetPadMode(GPIOB, 0, PAL_MODE_OUTPUT_PUSHPULL);
70 palSetPadMode(GPIOA, 10, PAL_MODE_INPUT_PULLDOWN);
71 palSetPadMode(GPIOA, 9, PAL_MODE_INPUT_PULLDOWN);
72 palSetPadMode(GPIOA, 8, PAL_MODE_INPUT_PULLDOWN);
73 palSetPadMode(GPIOB, 15, PAL_MODE_INPUT_PULLDOWN);
74 palSetPadMode(GPIOC, 13, PAL_MODE_INPUT_PULLDOWN);
75 palSetPadMode(GPIOC, 14, PAL_MODE_INPUT_PULLDOWN);
76 palSetPadMode(GPIOC, 15, PAL_MODE_INPUT_PULLDOWN);
77 palSetPadMode(GPIOA, 2, PAL_MODE_INPUT_PULLDOWN);
78 palSetPadMode(GPIOA, 3, PAL_MODE_INPUT_PULLDOWN);
79 palSetPadMode(GPIOA, 6, PAL_MODE_INPUT_PULLDOWN);
82 memset(matrix, 0, MATRIX_ROWS * sizeof(matrix_row_t));
83 memset(matrix_debouncing, 0, MATRIX_COLS * sizeof(matrix_col_t));
86 matrix_init_quantum();
89 __attribute__ ((weak))
90 void dip_update(uint8_t index, bool active) { }
92 __attribute__ ((weak))
93 void encoder_update(bool clockwise) { }
95 bool last_dip_switch[4] = {0};
97 #ifndef ENCODER_RESOLUTION
98 #define ENCODER_RESOLUTION 4
101 uint8_t matrix_scan(void) {
103 dip_switch[0] = !palReadPad(GPIOB, 14);
104 dip_switch[1] = !palReadPad(GPIOA, 15);
105 dip_switch[2] = !palReadPad(GPIOA, 10);
106 dip_switch[3] = !palReadPad(GPIOB, 9);
107 for (uint8_t i = 0; i < 4; i++) {
108 if (last_dip_switch[i] ^ dip_switch[i])
109 dip_update(i, dip_switch[i]);
111 memcpy(last_dip_switch, dip_switch, sizeof(&dip_switch));
113 // encoder on B12 and B13
115 encoder_state |= (palReadPad(GPIOB, 12) << 0) | (palReadPad(GPIOB, 13) << 1);
116 encoder_value += encoder_LUT[encoder_state & 0xF];
117 if (encoder_value >= ENCODER_RESOLUTION) {
120 if (encoder_value <= -ENCODER_RESOLUTION) { // direction is arbitrary here, but this clockwise
123 encoder_value %= ENCODER_RESOLUTION;
126 for (int col = 0; col < MATRIX_COLS; col++) {
127 matrix_col_t data = 0;
129 // strobe col { B11, B10, B2, B1, A7, B0 }
131 case 0: palSetPad(GPIOB, 11); break;
132 case 1: palSetPad(GPIOB, 10); break;
133 case 2: palSetPad(GPIOB, 2); break;
134 case 3: palSetPad(GPIOB, 1); break;
135 case 4: palSetPad(GPIOA, 7); break;
136 case 5: palSetPad(GPIOB, 0); break;
139 // need wait to settle pin state
142 // read row data { A10, A9, A8, B15, C13, C14, C15, A2 }
144 (palReadPad(GPIOA, 10) << 0 ) |
145 (palReadPad(GPIOA, 9) << 1 ) |
146 (palReadPad(GPIOA, 8) << 2 ) |
147 (palReadPad(GPIOB, 15) << 3 ) |
148 (palReadPad(GPIOC, 13) << 4 ) |
149 (palReadPad(GPIOC, 14) << 5 ) |
150 (palReadPad(GPIOC, 15) << 6 ) |
151 (palReadPad(GPIOA, 2) << 7 ) |
152 (palReadPad(GPIOA, 3) << 8 ) |
153 (palReadPad(GPIOA, 6) << 9 )
156 // unstrobe col { B11, B10, B2, B1, A7, B0 }
158 case 0: palClearPad(GPIOB, 11); break;
159 case 1: palClearPad(GPIOB, 10); break;
160 case 2: palClearPad(GPIOB, 2); break;
161 case 3: palClearPad(GPIOB, 1); break;
162 case 4: palClearPad(GPIOA, 7); break;
163 case 5: palClearPad(GPIOB, 0); break;
166 if (matrix_debouncing[col] != data) {
167 matrix_debouncing[col] = data;
169 debouncing_time = timer_read();
173 if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) {
174 for (int row = 0; row < MATRIX_ROWS; row++) {
176 for (int col = 0; col < MATRIX_COLS; col++) {
177 matrix[row] |= ((matrix_debouncing[col] & (1 << row) ? 1 : 0) << col);
183 matrix_scan_quantum();
188 bool matrix_is_on(uint8_t row, uint8_t col) {
189 return (matrix[row] & (1<<col));
192 matrix_row_t matrix_get_row(uint8_t row) {
196 void matrix_print(void) {
197 printf("\nr/c 01234567\n");
198 for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
199 printf("%X0: ", row);
200 matrix_row_t data = matrix_get_row(row);
201 for (int col = 0; col < MATRIX_COLS; col++) {