mirror of
https://github.com/openstenoproject/qmk
synced 2024-11-16 13:34:44 +00:00
97 lines
3.5 KiB
C
97 lines
3.5 KiB
C
/*
|
|
Copyright 2014 Ralf Schmitt <ralf@bunkertor.net>
|
|
Copyright 2016 Daniel Svensson <dsvensson@gmail.com>
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "matrix.h"
|
|
#include "quantum.h"
|
|
|
|
matrix_row_t read_rows(void) {
|
|
return
|
|
(PINB & (1 << 1) ? 0 : ((matrix_row_t)1 << 0)) |
|
|
(PINC & (1 << 2) ? 0 : ((matrix_row_t)1 << 1)) |
|
|
(PINB & (1 << 6) ? 0 : ((matrix_row_t)1 << 2)) |
|
|
(PINB & (1 << 4) ? 0 : ((matrix_row_t)1 << 3)) |
|
|
(PINB & (1 << 3) ? 0 : ((matrix_row_t)1 << 4)) |
|
|
(PINB & (1 << 2) ? 0 : ((matrix_row_t)1 << 5)) |
|
|
(PINB & (1 << 0) ? 0 : ((matrix_row_t)1 << 6)) |
|
|
(PINB & (1 << 5) ? 0 : ((matrix_row_t)1 << 7));
|
|
}
|
|
|
|
void select_col(uint8_t col) {
|
|
switch (col) {
|
|
case 0: PORTD = (PORTD & ~0b01111110) | 0b01100010; break;
|
|
case 1: PORTD = (PORTD & ~0b01111110) | 0b01101000; break;
|
|
case 2: PORTD = (PORTD & ~0b01111110) | 0b01101100; break;
|
|
case 3: PORTD = (PORTD & ~0b01111110) | 0b01110000; break;
|
|
case 4: PORTD = (PORTD & ~0b01111110) | 0b01111000; break;
|
|
case 5: PORTD = (PORTD & ~0b01111110) | 0b01100000; break;
|
|
case 6: PORTD = (PORTD & ~0b01111110) | 0b01110100; break;
|
|
case 7: PORTD = (PORTD & ~0b01111110) | 0b01100100; break;
|
|
case 8: PORTD = (PORTD & ~0b01111110) | 0b01111100; break;
|
|
case 9: PORTD = (PORTD & ~0b01111110) | 0b01101010; break;
|
|
case 10: PORTD = (PORTD & ~0b01111110) | 0b00110110; break;
|
|
case 11: PORTD = (PORTD & ~0b01111110) | 0b00010110; break;
|
|
case 12: PORTD = (PORTD & ~0b01111110) | 0b01001110; break;
|
|
case 13: PORTD = (PORTD & ~0b01111110) | 0b00111110; break;
|
|
case 14: PORTD = (PORTD & ~0b01111110) | 0b00011110; break;
|
|
case 15: PORTD = (PORTD & ~0b01111110) | 0b01000110; break;
|
|
case 16: PORTD = (PORTD & ~0b01111110) | 0b00100110; break;
|
|
case 17: PORTD = (PORTD & ~0b01111110) | 0b00101110; break;
|
|
}
|
|
}
|
|
|
|
void matrix_init_custom(void) {
|
|
/* Column output pins */
|
|
setPinOutput(D1);
|
|
setPinOutput(D2);
|
|
setPinOutput(D3);
|
|
setPinOutput(D4);
|
|
setPinOutput(D5);
|
|
setPinOutput(D6);
|
|
|
|
/* Row input pins */
|
|
writePinHigh(B0);
|
|
writePinHigh(B1);
|
|
writePinHigh(B2);
|
|
writePinHigh(B3);
|
|
writePinHigh(B4);
|
|
writePinHigh(B5);
|
|
writePinHigh(B6);
|
|
writePinHigh(C2);
|
|
}
|
|
|
|
bool matrix_scan_custom(matrix_row_t current_matrix[]) {
|
|
bool changed = false;
|
|
|
|
for (uint8_t col = 0; col < MATRIX_COLS; col++) {
|
|
select_col(col);
|
|
matrix_io_delay();
|
|
matrix_row_t rows = read_rows();
|
|
|
|
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
|
|
bool prev_bit = current_matrix[row] & ((matrix_row_t)1 << col);
|
|
bool curr_bit = rows & (1 << row);
|
|
|
|
if (prev_bit != curr_bit) {
|
|
current_matrix[row] ^= (matrix_row_t)1 << col;
|
|
changed = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return changed;
|
|
}
|