forked from qmk/qmk_firmware
-
Notifications
You must be signed in to change notification settings - Fork 0
/
matrix.c
198 lines (179 loc) · 6.3 KB
/
matrix.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include "hal.h"
#include "timer.h"
#include "wait.h"
#include "print.h"
#include "matrix.h"
/*
* Infinity Pinusage:
* Column pins are input with internal pull-down. Row pins are output and strobe with high.
* Key is high or 1 when it turns on.
* INFINITY PRODUCTION (NO LED)
* col: { PTD1, PTD2, PTD3, PTD4, PTD5, PTD6, PTD7 }
* row: { PTB0, PTB1, PTB2, PTB3, PTB16, PTB17, PTC4, PTC5, PTD0 }
* INFINITY PRODUCTION (WITH LED)
* col: { PTD1, PTD2, PTD3, PTD4, PTD5, PTD6, PTD7 }
* row: { PTC0, PTC1, PTC2, PTC3, PTC4, PTC5, PTC6, PTC7, PTD0 }
*/
/* matrix state(1:on, 0:off) */
static matrix_row_t matrix[MATRIX_ROWS];
static matrix_row_t matrix_debouncing[MATRIX_ROWS];
static bool debouncing = false;
static uint16_t debouncing_time = 0;
void matrix_init(void)
{
/* Column(sense) */
palSetPadMode(GPIOD, 1, PAL_MODE_INPUT_PULLDOWN);
palSetPadMode(GPIOD, 2, PAL_MODE_INPUT_PULLDOWN);
palSetPadMode(GPIOD, 3, PAL_MODE_INPUT_PULLDOWN);
palSetPadMode(GPIOD, 4, PAL_MODE_INPUT_PULLDOWN);
palSetPadMode(GPIOD, 5, PAL_MODE_INPUT_PULLDOWN);
palSetPadMode(GPIOD, 6, PAL_MODE_INPUT_PULLDOWN);
palSetPadMode(GPIOD, 7, PAL_MODE_INPUT_PULLDOWN);
#ifdef INFINITY_LED
/* Row(strobe) */
palSetPadMode(GPIOC, 0, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOC, 1, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOC, 2, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOC, 3, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOC, 4, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOC, 5, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOC, 6, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOC, 7, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOD, 0, PAL_MODE_OUTPUT_PUSHPULL);
#else
/* Row(strobe) */
palSetPadMode(GPIOB, 0, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOB, 1, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOB, 2, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOB, 3, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOB, 16, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOB, 17, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOC, 4, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOC, 5, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOD, 0, PAL_MODE_OUTPUT_PUSHPULL);
#endif
memset(matrix, 0, MATRIX_ROWS * sizeof(matrix_row_t));
memset(matrix_debouncing, 0, MATRIX_ROWS * sizeof(matrix_row_t));
matrix_init_quantum();
}
uint8_t matrix_scan(void)
{
for (int row = 0; row < MATRIX_ROWS; row++) {
matrix_row_t data = 0;
#ifdef INFINITY_LED
// strobe row
switch (row) {
case 0: palSetPad(GPIOC, 0); break;
case 1: palSetPad(GPIOC, 1); break;
case 2: palSetPad(GPIOC, 2); break;
case 3: palSetPad(GPIOC, 3); break;
case 4: palSetPad(GPIOC, 4); break;
case 5: palSetPad(GPIOC, 5); break;
case 6: palSetPad(GPIOC, 6); break;
case 7: palSetPad(GPIOC, 7); break;
case 8: palSetPad(GPIOD, 0); break;
}
#else
// strobe row
switch (row) {
case 0: palSetPad(GPIOB, 0); break;
case 1: palSetPad(GPIOB, 1); break;
case 2: palSetPad(GPIOB, 2); break;
case 3: palSetPad(GPIOB, 3); break;
case 4: palSetPad(GPIOB, 16); break;
case 5: palSetPad(GPIOB, 17); break;
case 6: palSetPad(GPIOC, 4); break;
case 7: palSetPad(GPIOC, 5); break;
case 8: palSetPad(GPIOD, 0); break;
}
#endif
// need wait to settle pin state
// if you wait too short, or have a too high update rate
// the keyboard might freeze, or there might not be enough
// processing power to update the LCD screen properly.
// 20us, or two ticks at 100000Hz seems to be OK
wait_us(20);
// read col data
data = (palReadPort(GPIOD)>>1);
#ifdef INFINITY_LED
// un-strobe row
switch (row) {
case 0: palClearPad(GPIOC, 0); break;
case 1: palClearPad(GPIOC, 1); break;
case 2: palClearPad(GPIOC, 2); break;
case 3: palClearPad(GPIOC, 3); break;
case 4: palClearPad(GPIOC, 4); break;
case 5: palClearPad(GPIOC, 5); break;
case 6: palClearPad(GPIOC, 6); break;
case 7: palClearPad(GPIOC, 7); break;
case 8: palClearPad(GPIOD, 0); break;
}
#else
// un-strobe row
switch (row) {
case 0: palClearPad(GPIOB, 0); break;
case 1: palClearPad(GPIOB, 1); break;
case 2: palClearPad(GPIOB, 2); break;
case 3: palClearPad(GPIOB, 3); break;
case 4: palClearPad(GPIOB, 16); break;
case 5: palClearPad(GPIOB, 17); break;
case 6: palClearPad(GPIOC, 4); break;
case 7: palClearPad(GPIOC, 5); break;
case 8: palClearPad(GPIOD, 0); break;
}
#endif
if (matrix_debouncing[row] != data) {
matrix_debouncing[row] = data;
debouncing = true;
debouncing_time = timer_read();
}
}
if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) {
for (int row = 0; row < MATRIX_ROWS; row++) {
matrix[row] = matrix_debouncing[row];
}
debouncing = false;
}
matrix_scan_quantum();
return 1;
}
bool matrix_is_on(uint8_t row, uint8_t col)
{
return (matrix[row] & (1<<col));
}
matrix_row_t matrix_get_row(uint8_t row)
{
return matrix[row];
}
void matrix_print(void)
{
xprintf("\nr/c 01234567\n");
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
xprintf("%02X: ");
matrix_row_t data = matrix_get_row(row);
for (int col = 0; col < MATRIX_COLS; col++) {
if (data & (1<<col))
xprintf("1");
else
xprintf("0");
}
xprintf("\n");
}
}
__attribute__ ((weak))
void matrix_init_kb(void) {
matrix_init_user();
}
__attribute__ ((weak))
void matrix_scan_kb(void) {
matrix_scan_user();
}
__attribute__ ((weak))
void matrix_init_user(void) {
}
__attribute__ ((weak))
void matrix_scan_user(void) {
}