2 Copyright 2016 Fred Sundvik <fsundvik@gmail.com>
3 Jun Wako <wakojun@gmail.com>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
30 * Infinity ErgoDox Pinusage:
31 * Column pins are input with internal pull-down. Row pins are output and strobe with high.
32 * Key is high or 1 when it turns on.
34 * col: { PTD1, PTD4, PTD5, PTD6, PTD7 }
35 * row: { PTB2, PTB3, PTB18, PTB19, PTC0, PTC9, PTC10, PTC11, PTD0 }
37 /* matrix state(1:on, 0:off) */
38 static matrix_row_t matrix[MATRIX_ROWS];
39 static matrix_row_t matrix_debouncing[LOCAL_MATRIX_ROWS];
40 static bool debouncing = false;
41 static uint16_t debouncing_time = 0;
44 void matrix_init(void)
47 palSetPadMode(GPIOD, 1, PAL_MODE_INPUT_PULLDOWN);
48 palSetPadMode(GPIOD, 4, PAL_MODE_INPUT_PULLDOWN);
49 palSetPadMode(GPIOD, 5, PAL_MODE_INPUT_PULLDOWN);
50 palSetPadMode(GPIOD, 6, PAL_MODE_INPUT_PULLDOWN);
51 palSetPadMode(GPIOD, 7, PAL_MODE_INPUT_PULLDOWN);
54 palSetPadMode(GPIOB, 2, PAL_MODE_OUTPUT_PUSHPULL);
55 palSetPadMode(GPIOB, 3, PAL_MODE_OUTPUT_PUSHPULL);
56 palSetPadMode(GPIOB, 18, PAL_MODE_OUTPUT_PUSHPULL);
57 palSetPadMode(GPIOB, 19, PAL_MODE_OUTPUT_PUSHPULL);
58 palSetPadMode(GPIOC, 0, PAL_MODE_OUTPUT_PUSHPULL);
59 palSetPadMode(GPIOC, 9, PAL_MODE_OUTPUT_PUSHPULL);
60 palSetPadMode(GPIOC, 10, PAL_MODE_OUTPUT_PUSHPULL);
61 palSetPadMode(GPIOC, 11, PAL_MODE_OUTPUT_PUSHPULL);
62 palSetPadMode(GPIOD, 0, PAL_MODE_OUTPUT_PUSHPULL);
64 memset(matrix, 0, MATRIX_ROWS);
65 memset(matrix_debouncing, 0, LOCAL_MATRIX_ROWS);
68 uint8_t matrix_scan(void)
70 for (int row = 0; row < LOCAL_MATRIX_ROWS; row++) {
71 matrix_row_t data = 0;
75 case 0: palSetPad(GPIOB, 2); break;
76 case 1: palSetPad(GPIOB, 3); break;
77 case 2: palSetPad(GPIOB, 18); break;
78 case 3: palSetPad(GPIOB, 19); break;
79 case 4: palSetPad(GPIOC, 0); break;
80 case 5: palSetPad(GPIOC, 9); break;
81 case 6: palSetPad(GPIOC, 10); break;
82 case 7: palSetPad(GPIOC, 11); break;
83 case 8: palSetPad(GPIOD, 0); break;
86 // need wait to settle pin state
87 // if you wait too short, or have a too high update rate
88 // the keyboard might freeze, or there might not be enough
89 // processing power to update the LCD screen properly.
90 // 20us, or two ticks at 100000Hz seems to be OK
93 // read col data: { PTD1, PTD4, PTD5, PTD6, PTD7 }
94 data = ((palReadPort(GPIOD) & 0xF0) >> 3) |
95 ((palReadPort(GPIOD) & 0x02) >> 1);
99 case 0: palClearPad(GPIOB, 2); break;
100 case 1: palClearPad(GPIOB, 3); break;
101 case 2: palClearPad(GPIOB, 18); break;
102 case 3: palClearPad(GPIOB, 19); break;
103 case 4: palClearPad(GPIOC, 0); break;
104 case 5: palClearPad(GPIOC, 9); break;
105 case 6: palClearPad(GPIOC, 10); break;
106 case 7: palClearPad(GPIOC, 11); break;
107 case 8: palClearPad(GPIOD, 0); break;
110 if (matrix_debouncing[row] != data) {
111 matrix_debouncing[row] = data;
113 debouncing_time = timer_read();
118 #ifdef MASTER_IS_ON_RIGHT
119 if (is_serial_link_master()) {
120 offset = MATRIX_ROWS - LOCAL_MATRIX_ROWS;
124 if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) {
125 for (int row = 0; row < LOCAL_MATRIX_ROWS; row++) {
126 matrix[offset + row] = matrix_debouncing[row];
133 bool matrix_is_on(uint8_t row, uint8_t col)
135 return (matrix[row] & (1<<col));
138 matrix_row_t matrix_get_row(uint8_t row)
143 void matrix_print(void)
145 xprintf("\nr/c 01234567\n");
146 for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
147 xprintf("%X0: ", row);
148 matrix_row_t data = matrix_get_row(row);
149 for (int col = 0; col < MATRIX_COLS; col++) {
159 void matrix_set_remote(matrix_row_t* rows, uint8_t index) {
161 #ifdef MASTER_IS_ON_RIGHT
162 offset = MATRIX_ROWS - LOCAL_MATRIX_ROWS * (index + 2);
164 offset = LOCAL_MATRIX_ROWS * (index + 1);
166 for (int row = 0; row < LOCAL_MATRIX_ROWS; row++) {
167 matrix[offset + row] = rows[row];