160 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			160 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 | 
						|
Note for ErgoDox EZ customizers: Here be dragons!
 | 
						|
This is not a file you want to be messing with.
 | 
						|
All of the interesting stuff for you is under keymaps/ :)
 | 
						|
Love, Erez
 | 
						|
 | 
						|
Copyright 2013 Oleg Kostyuk <cub.uanic@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/>.
 | 
						|
*/
 | 
						|
 | 
						|
/*
 | 
						|
 * scan matrix
 | 
						|
 */
 | 
						|
#include <stdint.h>
 | 
						|
#include <stdbool.h>
 | 
						|
#include <avr/io.h>
 | 
						|
#include <util/delay.h>
 | 
						|
#include "action_layer.h"
 | 
						|
#include "print.h"
 | 
						|
#include "debug.h"
 | 
						|
#include "util.h"
 | 
						|
#include "matrix.h"
 | 
						|
#include "nano.h"
 | 
						|
#include <string.h>
 | 
						|
 | 
						|
/* matrix state(1:on, 0:off) */
 | 
						|
static matrix_row_t matrix[MATRIX_ROWS];
 | 
						|
static matrix_row_t matrix_stage[MATRIX_ROWS];
 | 
						|
static matrix_row_t matrix_debouncing[MATRIX_ROWS];
 | 
						|
 | 
						|
static uint16_t debouncing_time;
 | 
						|
static bool debouncing = false;
 | 
						|
 | 
						|
__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) {
 | 
						|
}
 | 
						|
 | 
						|
inline
 | 
						|
uint8_t matrix_rows(void)
 | 
						|
{
 | 
						|
    return MATRIX_ROWS;
 | 
						|
}
 | 
						|
 | 
						|
inline
 | 
						|
uint8_t matrix_cols(void)
 | 
						|
{
 | 
						|
    return MATRIX_COLS;
 | 
						|
}
 | 
						|
 | 
						|
void matrix_init(void)
 | 
						|
{
 | 
						|
 | 
						|
    DDRF  &= ~(1<<4 | 1<<5 | 1<<6 | 1<<7);
 | 
						|
    PORTF |=  (1<<4 | 1<<5 | 1<<6 | 1<<7);
 | 
						|
    DDRC  &= ~(1<<6);
 | 
						|
    PORTC |=  (1<<6);
 | 
						|
    DDRD  &= ~(1<<0 | 1<<1 | 1<<4);
 | 
						|
    PORTD |=  (1<<0 | 1<<1 | 1<<4);
 | 
						|
 | 
						|
    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
 | 
						|
        matrix[i] = 0;
 | 
						|
        matrix_debouncing[i] = 0;
 | 
						|
        matrix_stage[i] = 0;
 | 
						|
    }
 | 
						|
 | 
						|
    matrix_init_quantum();
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
uint8_t matrix_scan(void)
 | 
						|
{
 | 
						|
    matrix_stage[0] =
 | 
						|
        (PINF&(1<<4) ? 0 : (1<<0)) |
 | 
						|
        (PINF&(1<<5) ? 0 : (1<<1)) |
 | 
						|
        (PINF&(1<<6) ? 0 : (1<<2)) |
 | 
						|
        (PINF&(1<<7) ? 0 : (1<<3));
 | 
						|
    matrix_stage[1] =
 | 
						|
        (PIND&(1<<1) ? 0 : (1<<0)) |
 | 
						|
        (PIND&(1<<0) ? 0 : (1<<1)) |
 | 
						|
        (PIND&(1<<4) ? 0 : (1<<2)) |
 | 
						|
        (PINC&(1<<6) ? 0 : (1<<3));
 | 
						|
 | 
						|
    if (memcmp(matrix_debouncing, matrix_stage, sizeof(matrix)) != 0) {
 | 
						|
        debouncing = true;
 | 
						|
        debouncing_time = timer_read();
 | 
						|
    }
 | 
						|
 | 
						|
    matrix_debouncing[0] = matrix_stage[0];
 | 
						|
    matrix_debouncing[1] = matrix_stage[1];
 | 
						|
 | 
						|
    if (debouncing && (timer_elapsed(debouncing_time) > 20)) {
 | 
						|
        for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
 | 
						|
            matrix[i] = matrix_debouncing[i];
 | 
						|
        }
 | 
						|
        debouncing = false;
 | 
						|
    }
 | 
						|
 | 
						|
    matrix_scan_quantum();
 | 
						|
 | 
						|
    return 1;
 | 
						|
}
 | 
						|
 | 
						|
bool matrix_is_modified(void)
 | 
						|
{
 | 
						|
    return true;
 | 
						|
}
 | 
						|
 | 
						|
inline
 | 
						|
bool matrix_is_on(uint8_t row, uint8_t col)
 | 
						|
{
 | 
						|
    return (matrix[row] & ((matrix_row_t)1<<col));
 | 
						|
}
 | 
						|
 | 
						|
inline
 | 
						|
matrix_row_t matrix_get_row(uint8_t row)
 | 
						|
{
 | 
						|
    return matrix[row];
 | 
						|
}
 | 
						|
 | 
						|
void matrix_print(void)
 | 
						|
{
 | 
						|
}
 | 
						|
 | 
						|
uint8_t matrix_key_count(void)
 | 
						|
{
 | 
						|
    uint8_t count = 0;
 | 
						|
    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
 | 
						|
        count += bitpop16(matrix[i]);
 | 
						|
    }
 | 
						|
    return count;
 | 
						|
}
 | 
						|
 |