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Diffstat (limited to 'keyboards/frosty_flake/matrix.c')
| -rw-r--r-- | keyboards/frosty_flake/matrix.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/keyboards/frosty_flake/matrix.c b/keyboards/frosty_flake/matrix.c deleted file mode 100644 index cde7f63b95..0000000000 --- a/keyboards/frosty_flake/matrix.c +++ /dev/null @@ -1,137 +0,0 @@ -/* - Copyright 2017 Gabriel Young <gabeplaysdrums@live.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 <stdint.h> -#include <stdbool.h> -#include <avr/io.h> -#include <util/delay.h> -#include "print.h" -#include "debug.h" -#include "util.h" -#include "matrix.h" - -#ifndef DEBOUNCING_DELAY -# define DEBOUNCING_DELAY 5 -#endif -static uint8_t debouncing = DEBOUNCING_DELAY; - -static matrix_row_t matrix[MATRIX_ROWS]; -static matrix_row_t matrix_debouncing[MATRIX_ROWS]; - -static matrix_row_t scan_col(void) { - return ( - (PINC&(1<<7) ? 0 : ((matrix_row_t)1<<0)) | - (PINB&(1<<5) ? 0 : ((matrix_row_t)1<<1)) | - (PINB&(1<<4) ? 0 : ((matrix_row_t)1<<2)) | - (PINB&(1<<6) ? 0 : ((matrix_row_t)1<<3)) | - (PINB&(1<<1) ? 0 : ((matrix_row_t)1<<4)) | - (PINB&(1<<2) ? 0 : ((matrix_row_t)1<<5)) | - (PINB&(1<<3) ? 0 : ((matrix_row_t)1<<6)) | - (PINB&(1<<0) ? 0 : ((matrix_row_t)1<<7)) - ); -} - -static void select_col(uint8_t col) { - switch (col) { - case 0: PORTD = (PORTD & ~0b01111011) | 0b00011011; break; - case 1: PORTD = (PORTD & ~0b01111011) | 0b01000011; break; - case 2: PORTD = (PORTD & ~0b01111011) | 0b01101010; break; - case 3: PORTD = (PORTD & ~0b01111011) | 0b01111001; break; - case 4: PORTD = (PORTD & ~0b01111011) | 0b01100010; break; - case 5: PORTD = (PORTD & ~0b01111011) | 0b01110001; break; - case 6: PORTD = (PORTD & ~0b01111011) | 0b01100001; break; - case 7: PORTD = (PORTD & ~0b01111011) | 0b01110000; break; - case 8: PORTD = (PORTD & ~0b01111011) | 0b01100000; break; - case 9: PORTD = (PORTD & ~0b01111011) | 0b01101000; break; - case 10: PORTD = (PORTD & ~0b01111011) | 0b00101011; break; - case 11: PORTD = (PORTD & ~0b01111011) | 0b00110011; break; - case 12: PORTD = (PORTD & ~0b01111011) | 0b00100011; break; - case 13: PORTD = (PORTD & ~0b01111011) | 0b01111000; break; - case 14: PORTD = (PORTD & ~0b01111011) | 0b00010011; break; - case 15: PORTD = (PORTD & ~0b01111011) | 0b01101001; break; - case 16: PORTD = (PORTD & ~0b01111011) | 0b00001011; break; - case 17: PORTD = (PORTD & ~0b01111011) | 0b00111011; break; - } -} - -void matrix_init(void) { - /* Row output pins */ - DDRD |= 0b01111011; - /* Column input pins */ - DDRC &= ~0b10000000; - DDRB &= ~0b01111111; - PORTC |= 0b10000000; - PORTB |= 0b01111111; - - for (uint8_t i=0; i < MATRIX_ROWS; i++) - matrix[i] = matrix_debouncing[i] = 0; - - matrix_init_quantum(); -} - -uint8_t matrix_scan(void) { - for (uint8_t col = 0; col < MATRIX_COLS; col++) { - select_col(col); - _delay_us(3); - matrix_row_t col_scan = scan_col(); - for (uint8_t row = 0; row < MATRIX_ROWS; row++) { - bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col); - bool curr_bit = col_scan & (1<<row); - if (prev_bit != curr_bit) { - matrix_debouncing[row] ^= ((matrix_row_t)1<<col); - debouncing = DEBOUNCING_DELAY; - } - } - } - - if (debouncing) { - if (--debouncing) - _delay_ms(1); - else - for (uint8_t i = 0; i < MATRIX_ROWS; i++) - matrix[i] = matrix_debouncing[i]; - } - - matrix_scan_quantum(); - return 1; -} - -inline matrix_row_t matrix_get_row(uint8_t row) { - return matrix[row]; -} - -void matrix_print(void) { -#ifndef NO_PRINT - print("\nr\\c ABCDEFGHIJKLMNOPQR\n"); - for (uint8_t row = 0; row < MATRIX_ROWS; row++) { - matrix_row_t matrix_row = matrix_get_row(row); - xprintf("%02X: ", row); - for (uint8_t col = 0; col < MATRIX_COLS; col++) { - bool curr_bit = matrix_row & (1<<col); - xprintf("%c", curr_bit ? '*' : '.'); - } - print("\n"); - } -#endif -} - -uint8_t matrix_key_count(void) { - uint8_t count = 0; - for (uint8_t row = 0; row < MATRIX_ROWS; row++) - count += bitpop32(matrix[row]); - return count; -} |