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-rw-r--r--keyboards/clueboard_60/matrix.c177
1 files changed, 177 insertions, 0 deletions
diff --git a/keyboards/clueboard_60/matrix.c b/keyboards/clueboard_60/matrix.c
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index 000000000..76a15ca7e
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+++ b/keyboards/clueboard_60/matrix.c
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1#include <stdint.h>
2#include <stdbool.h>
3#include <string.h>
4#include "hal.h"
5#include "timer.h"
6#include "wait.h"
7#include "printf.h"
8#include "backlight.h"
9#include "matrix.h"
10
11
12/* Clueboard 60%
13 *
14 * Column pins are input with internal pull-down.
15 * Row pins are output and strobe with high.
16 * Key is high or 1 when it turns on.
17 *
18 * col: { PA2, PA3, PA6, PB14, PB15, PA8, PA9, PA7, PB3, PB4, PC15, PC14, PC13, PB5, PB6 }
19 * row: { PB0, PB1, PB2, PA15, PA10 }
20 */
21/* matrix state(1:on, 0:off) */
22static matrix_row_t matrix[MATRIX_ROWS];
23static matrix_row_t matrix_debouncing[MATRIX_COLS];
24static bool debouncing = false;
25static uint16_t debouncing_time = 0;
26
27__attribute__ ((weak))
28void matrix_init_user(void) {}
29
30__attribute__ ((weak))
31void matrix_scan_user(void) {}
32
33__attribute__ ((weak))
34void matrix_init_kb(void) {
35 matrix_init_user();
36}
37
38__attribute__ ((weak))
39void matrix_scan_kb(void) {
40 matrix_scan_user();
41}
42
43void matrix_init(void) {
44 printf("matrix init\n");
45 //debug_matrix = true;
46
47 /* Column(sense) */
48 palSetPadMode(GPIOA, 2, PAL_MODE_OUTPUT_PUSHPULL);
49 palSetPadMode(GPIOA, 3, PAL_MODE_OUTPUT_PUSHPULL);
50 palSetPadMode(GPIOA, 6, PAL_MODE_OUTPUT_PUSHPULL);
51 palSetPadMode(GPIOB, 14, PAL_MODE_OUTPUT_PUSHPULL);
52 palSetPadMode(GPIOB, 15, PAL_MODE_OUTPUT_PUSHPULL);
53 palSetPadMode(GPIOA, 8, PAL_MODE_OUTPUT_PUSHPULL);
54 palSetPadMode(GPIOA, 9, PAL_MODE_OUTPUT_PUSHPULL);
55 palSetPadMode(GPIOA, 7, PAL_MODE_OUTPUT_PUSHPULL);
56 palSetPadMode(GPIOB, 3, PAL_MODE_OUTPUT_PUSHPULL);
57 palSetPadMode(GPIOB, 4, PAL_MODE_OUTPUT_PUSHPULL);
58 palSetPadMode(GPIOC, 15, PAL_MODE_OUTPUT_PUSHPULL);
59 palSetPadMode(GPIOC, 14, PAL_MODE_OUTPUT_PUSHPULL);
60 palSetPadMode(GPIOC, 13, PAL_MODE_OUTPUT_PUSHPULL);
61 palSetPadMode(GPIOB, 5, PAL_MODE_OUTPUT_PUSHPULL);
62 palSetPadMode(GPIOB, 6, PAL_MODE_OUTPUT_PUSHPULL);
63
64 /* Row(strobe) */
65 palSetPadMode(GPIOB, 0, PAL_MODE_INPUT_PULLDOWN);
66 palSetPadMode(GPIOB, 1, PAL_MODE_INPUT_PULLDOWN);
67 palSetPadMode(GPIOB, 2, PAL_MODE_INPUT_PULLDOWN);
68 palSetPadMode(GPIOA, 15, PAL_MODE_INPUT_PULLDOWN);
69 palSetPadMode(GPIOA, 10, PAL_MODE_INPUT_PULLDOWN);
70
71 memset(matrix, 0, MATRIX_ROWS);
72 memset(matrix_debouncing, 0, MATRIX_COLS);
73
74 /* Setup capslock */
75 // palSetPadMode(GPIOB, 7, PAL_MODE_OUTPUT_PUSHPULL);
76 // palClearPad(GPIOB, 7);
77
78 matrix_init_quantum();
79}
80
81uint8_t matrix_scan(void) {
82 for (int col = 0; col < MATRIX_COLS; col++) {
83 matrix_row_t data = 0;
84
85 // strobe col { PA2, PA3, PA6, PB14, PB15, PA8, PA9, PA7, PB3, PB4, PC14, PC15, PC13, PB5, PB6 }
86 switch (col) {
87 case 0: palSetPad(GPIOA, 2); break;
88 case 1: palSetPad(GPIOA, 3); break;
89 case 2: palSetPad(GPIOA, 6); break;
90 case 3: palSetPad(GPIOB, 14); break;
91 case 4: palSetPad(GPIOB, 15); break;
92 case 5: palSetPad(GPIOA, 8); break;
93 case 6: palSetPad(GPIOA, 9); break;
94 case 7: palSetPad(GPIOA, 7); break;
95 case 8: palSetPad(GPIOB, 3); break;
96 case 9: palSetPad(GPIOB, 4); break;
97 case 10: palSetPad(GPIOC, 15); break;
98 case 11: palSetPad(GPIOC, 14); break;
99 case 12: palSetPad(GPIOC, 13); break;
100 case 13: palSetPad(GPIOB, 5); break;
101 case 14: palSetPad(GPIOB, 6); break;
102 }
103
104 // need wait to settle pin state
105 wait_us(20);
106
107 // read row data { PB0, PB1, PB2, PA15, PA10 }
108 data = (
109 (palReadPad(GPIOB, 0) << 0 ) |
110 (palReadPad(GPIOB, 1) << 1 ) |
111 (palReadPad(GPIOB, 2) << 2 ) |
112 (palReadPad(GPIOA, 15) << 3 ) |
113 (palReadPad(GPIOA, 10) << 4 )
114 );
115
116 // unstrobe col { PA2, PA3, PA6, PB14, PB15, PA8, PA9, PA7, PB3, PB4, PC15, PC14, PC13, PB5, PB6 }
117 switch (col) {
118 case 0: palClearPad(GPIOA, 2); break;
119 case 1: palClearPad(GPIOA, 3); break;
120 case 2: palClearPad(GPIOA, 6); break;
121 case 3: palClearPad(GPIOB, 14); break;
122 case 4: palClearPad(GPIOB, 15); break;
123 case 5: palClearPad(GPIOA, 8); break;
124 case 6: palClearPad(GPIOA, 9); break;
125 case 7: palClearPad(GPIOA, 7); break;
126 case 8: palClearPad(GPIOB, 3); break;
127 case 9: palClearPad(GPIOB, 4); break;
128 case 10: palClearPad(GPIOC, 15); break;
129 case 11: palClearPad(GPIOC, 14); break;
130 case 12: palClearPad(GPIOC, 13); break;
131 case 13: palClearPad(GPIOB, 5); break;
132 case 14: palClearPad(GPIOB, 6); break;
133 }
134
135 if (matrix_debouncing[col] != data) {
136 matrix_debouncing[col] = data;
137 debouncing = true;
138 debouncing_time = timer_read();
139 }
140 }
141 if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) {
142 for (int row = 0; row < MATRIX_ROWS; row++) {
143 matrix[row] = 0;
144 for (int col = 0; col < MATRIX_COLS; col++) {
145 matrix[row] |= ((matrix_debouncing[col] & (1 << row) ? 1 : 0) << col);
146 }
147 }
148 debouncing = false;
149 }
150
151 matrix_scan_quantum();
152
153 return 1;
154}
155
156bool matrix_is_on(uint8_t row, uint8_t col) {
157 return (matrix[row] & (1<<col));
158}
159
160matrix_row_t matrix_get_row(uint8_t row) {
161 return matrix[row];
162}
163
164void matrix_print(void) {
165 printf("\nr/c 01234567\n");
166 for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
167 printf("%X0: ", row);
168 matrix_row_t data = matrix_get_row(row);
169 for (int col = 0; col < MATRIX_COLS; col++) {
170 if (data & (1<<col))
171 printf("1");
172 else
173 printf("0");
174 }
175 printf("\n");
176 }
177}
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