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/*
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;
}
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