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			147 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			147 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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| 
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| Copyright 2013 Oleg Kostyuk <cub.uanic@gmail.com>
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| 
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| This program is free software: you can redistribute it and/or modify
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| it under the terms of the GNU General Public License as published by
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| the Free Software Foundation, either version 2 of the License, or
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| (at your option) any later version.
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| 
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| This program is distributed in the hope that it will be useful,
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| but WITHOUT ANY WARRANTY; without even the implied warranty of
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| GNU General Public License for more details.
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| 
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| You should have received a copy of the GNU General Public License
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| along with this program.  If not, see <http://www.gnu.org/licenses/>.
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| */
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| 
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| /*
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|  * scan matrix
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|  */
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| #include <stdint.h>
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| #include <stdbool.h>
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| #include <avr/io.h>
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| #include <util/delay.h>
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| #include "action_layer.h"
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| #include "print.h"
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| #include "debug.h"
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| #include "util.h"
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| #include "matrix.h"
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| #include "sixkeyboard.h"
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| #include <string.h>
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| 
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| /* matrix state(1:on, 0:off) */
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| static matrix_row_t matrix[MATRIX_ROWS];
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| static matrix_row_t matrix_stage[MATRIX_ROWS];
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| static matrix_row_t matrix_debouncing[MATRIX_ROWS];
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| 
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| static uint16_t debouncing_time;
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| static bool debouncing = false;
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| 
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| __attribute__ ((weak))
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| void matrix_init_kb(void) {
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|     matrix_init_user();
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| }
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| 
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| __attribute__ ((weak))
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| void matrix_scan_kb(void) {
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|     matrix_scan_user();
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| }
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| 
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| __attribute__ ((weak))
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| void matrix_init_user(void) {
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| }
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| 
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| __attribute__ ((weak))
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| void matrix_scan_user(void) {
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| }
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| 
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| inline
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| uint8_t matrix_rows(void)
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| {
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|     return MATRIX_ROWS;
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| }
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| 
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| inline
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| uint8_t matrix_cols(void)
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| {
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|     return MATRIX_COLS;
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| }
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| 
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| void matrix_init(void)
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| {
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| 
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|     DDRC  &= ~(1<<7);
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|     PORTC |=  (1<<7);
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|     DDRB  &= ~(1<<7 | 1<<5);
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|     PORTB |=  (1<<7 | 1<<5);
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|     DDRD  &= ~(1<<6 | 1<<4 | 1<<1);
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|     PORTD |=  (1<<6 | 1<<4 | 1<<1);
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| 
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|     for (uint8_t i=0; i < MATRIX_ROWS; i++) {
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|         matrix[i] = 0;
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|         matrix_debouncing[i] = 0;
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|         matrix_stage[i] = 0;
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|     }
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| 
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|     matrix_init_quantum();
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| 
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| }
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| 
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| uint8_t matrix_scan(void)
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| {
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|     matrix_stage[0] = (PINC&(1<<7) ? 0 : (1<<0)) | (PINB&(1<<7) ? 0 : (1<<1)) | (PINB&(1<<5) ? 0 : (1<<2));
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|     matrix_stage[1] = (PIND&(1<<6) ? 0 : (1<<0)) | (PIND&(1<<1) ? 0 : (1<<1)) | (PIND&(1<<4) ? 0 : (1<<2));
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| 
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|     if (memcmp(matrix_debouncing, matrix_stage, sizeof(matrix)) != 0) {
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|         debouncing = true;
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|         debouncing_time = timer_read();
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|     }
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| 
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|     matrix_debouncing[0] = matrix_stage[0];
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|     matrix_debouncing[1] = matrix_stage[1];
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| 
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|     if (debouncing && (timer_elapsed(debouncing_time) > 20)) {
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|         for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
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|             matrix[i] = matrix_debouncing[i];
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|         }
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|         debouncing = false;
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|     }
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| 
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|     matrix_scan_quantum();
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| 
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|     return 1;
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| }
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| 
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| bool matrix_is_modified(void)
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| {
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|     return true;
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| }
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| 
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| inline
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| bool matrix_is_on(uint8_t row, uint8_t col)
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| {
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|     return (matrix[row] & ((matrix_row_t)1<<col));
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| }
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| 
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| inline
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| matrix_row_t matrix_get_row(uint8_t row)
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| {
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|     return matrix[row];
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| }
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| 
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| void matrix_print(void)
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| {
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| }
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| 
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| uint8_t matrix_key_count(void)
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| {
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|     uint8_t count = 0;
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|     for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
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|         count += bitpop16(matrix[i]);
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|     }
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|     return count;
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| }
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| 
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