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-rw-r--r--keyboards/hadron/ver3/matrix.c195
1 files changed, 195 insertions, 0 deletions
diff --git a/keyboards/hadron/ver3/matrix.c b/keyboards/hadron/ver3/matrix.c
new file mode 100644
index 000000000..329d1328a
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+++ b/keyboards/hadron/ver3/matrix.c
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1#include <string.h>
2#include "hal.h"
3#include "timer.h"
4#include "wait.h"
5#include "printf.h"
6#include "backlight.h"
7#include "matrix.h"
8#include "action.h"
9#include "keycode.h"
10
11/* matrix state(1:on, 0:off) */
12static matrix_row_t matrix[MATRIX_ROWS];
13static matrix_row_t matrix_debouncing[MATRIX_COLS];
14static bool debouncing = false;
15static uint16_t debouncing_time = 0;
16
17static uint8_t encoder_state = 0;
18static int8_t encoder_value = 0;
19static int8_t encoder_LUT[] = { 0, -1, 1, 0, 1, 0, 0, -1, -1, 0, 0, 1, 0, 1, -1, 0 };
20
21__attribute__ ((weak))
22void matrix_init_user(void) {}
23
24__attribute__ ((weak))
25void matrix_scan_user(void) {}
26
27__attribute__ ((weak))
28void matrix_init_kb(void) {
29 matrix_init_user();
30}
31
32__attribute__ ((weak))
33void matrix_scan_kb(void) {
34 matrix_scan_user();
35}
36
37void matrix_init(void) {
38 printf("matrix init\n");
39 //debug_matrix = true;
40
41 // encoder setup
42 palSetPadMode(GPIOB, 13, PAL_MODE_INPUT_PULLUP);
43 palSetPadMode(GPIOB, 14, PAL_MODE_INPUT_PULLUP);
44
45 encoder_state = (palReadPad(GPIOB, 13) << 0) | (palReadPad(GPIOB, 14) << 1);
46
47 // actual matrix setup
48 palSetPadMode(GPIOB, 8, PAL_MODE_OUTPUT_PUSHPULL);
49 palSetPadMode(GPIOB, 2, PAL_MODE_OUTPUT_PUSHPULL);
50 palSetPadMode(GPIOB, 10, PAL_MODE_OUTPUT_PUSHPULL);
51 palSetPadMode(GPIOA, 0, PAL_MODE_OUTPUT_PUSHPULL);
52 palSetPadMode(GPIOA, 1, PAL_MODE_OUTPUT_PUSHPULL);
53 palSetPadMode(GPIOA, 2, PAL_MODE_OUTPUT_PUSHPULL);
54 palSetPadMode(GPIOB, 0, PAL_MODE_OUTPUT_PUSHPULL);
55 palSetPadMode(GPIOA, 3, PAL_MODE_OUTPUT_PUSHPULL);
56 palSetPadMode(GPIOB, 1, PAL_MODE_OUTPUT_PUSHPULL);
57 palSetPadMode(GPIOA, 6, PAL_MODE_OUTPUT_PUSHPULL);
58 palSetPadMode(GPIOA, 7, PAL_MODE_OUTPUT_PUSHPULL);
59 palSetPadMode(GPIOB, 12, PAL_MODE_OUTPUT_PUSHPULL);
60 palSetPadMode(GPIOC, 13, PAL_MODE_OUTPUT_PUSHPULL);
61 palSetPadMode(GPIOB, 11, PAL_MODE_OUTPUT_PUSHPULL);
62 palSetPadMode(GPIOB, 9, PAL_MODE_OUTPUT_PUSHPULL);
63
64 palSetPadMode(GPIOC, 15, PAL_MODE_INPUT_PULLDOWN);
65 palSetPadMode(GPIOC, 14, PAL_MODE_INPUT_PULLDOWN);
66 palSetPadMode(GPIOA, 10, PAL_MODE_INPUT_PULLDOWN);
67 palSetPadMode(GPIOA, 9, PAL_MODE_INPUT_PULLDOWN);
68 palSetPadMode(GPIOA, 8, PAL_MODE_INPUT_PULLDOWN);
69
70
71 memset(matrix, 0, MATRIX_ROWS * sizeof(matrix_row_t));
72 memset(matrix_debouncing, 0, MATRIX_COLS * sizeof(matrix_row_t));
73
74
75 matrix_init_quantum();
76}
77
78__attribute__ ((weak))
79void encoder_update(bool clockwise) { }
80
81#ifndef ENCODER_RESOLUTION
82 #define ENCODER_RESOLUTION 4
83#endif
84
85uint8_t matrix_scan(void) {
86 // encoder on B13 and B14
87 encoder_state <<= 2;
88 encoder_state |= (palReadPad(GPIOB, 13) << 0) | (palReadPad(GPIOB, 14) << 1);
89 encoder_value += encoder_LUT[encoder_state & 0xF];
90 if (encoder_value >= ENCODER_RESOLUTION) {
91 encoder_update(0);
92 }
93 if (encoder_value <= -ENCODER_RESOLUTION) { // direction is arbitrary here, but this clockwise
94 encoder_update(1);
95 }
96 encoder_value %= ENCODER_RESOLUTION;
97
98 // actual matrix
99 for (int col = 0; col < MATRIX_COLS; col++) {
100 matrix_row_t data = 0;
101
102 // strobe col { PB8, PB2, PB10, PA0, PA1, PA2, PB0, PA3, PB1, PA6, PA7, PB1, PA6, PA7, PB12, PC3, PB11, }
103 switch (col) {
104 case 0: palSetPad(GPIOB, 8); break;
105 case 1: palSetPad(GPIOB, 2); break;
106 case 2: palSetPad(GPIOB, 10); break;
107 case 3: palSetPad(GPIOA, 0); break;
108 case 4: palSetPad(GPIOA, 1); break;
109 case 5: palSetPad(GPIOA, 2); break;
110 case 6: palSetPad(GPIOB, 0); break;
111 case 7: palSetPad(GPIOA, 3); break;
112 case 8: palSetPad(GPIOB, 1); break;
113 case 9: palSetPad(GPIOA, 6); break;
114 case 10: palSetPad(GPIOA, 7); break;
115 case 11: palSetPad(GPIOB, 12); break;
116 case 12: palSetPad(GPIOC, 13); break;
117 case 13: palSetPad(GPIOB, 11); break;
118 case 14: palSetPad(GPIOB, 9); break;
119 }
120
121 // need wait to settle pin state
122 wait_us(20);
123
124 // read row data { PC15, PC14, PA10, PA9, PA8 }
125 data = (
126 (palReadPad(GPIOC, 15) << 0 ) |
127 (palReadPad(GPIOC, 14) << 1 ) |
128 (palReadPad(GPIOA, 10) << 2 ) |
129 (palReadPad(GPIOA, 9) << 3 ) |
130 (palReadPad(GPIOA, 8) << 4 )
131 );
132
133 // unstrobe col { PB8, PB2, PB10, PA0, PA1, PA2, PB0, PA3, PB1, PA6, PA7, PB1, PA6, PA7, PB12, PC3, PB11, }
134 switch (col) {
135 case 0: palClearPad(GPIOB, 8); break;
136 case 1: palClearPad(GPIOB, 2); break;
137 case 2: palClearPad(GPIOB, 10); break;
138 case 3: palClearPad(GPIOA, 0); break;
139 case 4: palClearPad(GPIOA, 1); break;
140 case 5: palClearPad(GPIOA, 2); break;
141 case 6: palClearPad(GPIOB, 0); break;
142 case 7: palClearPad(GPIOA, 3); break;
143 case 8: palClearPad(GPIOB, 1); break;
144 case 9: palClearPad(GPIOA, 6); break;
145 case 10: palClearPad(GPIOA, 7); break;
146 case 11: palClearPad(GPIOB, 12); break;
147 case 12: palClearPad(GPIOC, 13); break;
148 case 13: palClearPad(GPIOB, 11); break;
149 case 14: palClearPad(GPIOB, 9); break;
150 }
151
152 if (matrix_debouncing[col] != data) {
153 matrix_debouncing[col] = data;
154 debouncing = true;
155 debouncing_time = timer_read();
156 }
157 }
158
159 if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) {
160 for (int row = 0; row < MATRIX_ROWS; row++) {
161 matrix[row] = 0;
162 for (int col = 0; col < MATRIX_COLS; col++) {
163 matrix[row] |= ((matrix_debouncing[col] & (1 << row) ? 1 : 0) << col);
164 }
165 }
166 debouncing = false;
167 }
168
169 matrix_scan_quantum();
170
171 return 1;
172}
173
174bool matrix_is_on(uint8_t row, uint8_t col) {
175 return (matrix[row] & (1<<col));
176}
177
178matrix_row_t matrix_get_row(uint8_t row) {
179 return matrix[row];
180}
181
182void matrix_print(void) {
183 printf("\nr/c 01234567\n");
184 for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
185 printf("%X0: ", row);
186 matrix_row_t data = matrix_get_row(row);
187 for (int col = 0; col < MATRIX_COLS; col++) {
188 if (data & (1<<col))
189 printf("1");
190 else
191 printf("0");
192 }
193 printf("\n");
194 }
195}
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