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/*
Copyright 2012-2018 Jun Wako, Jack Humbert, Yiancar
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 "wait.h"
#include "print.h"
#include "debug.h"
#include "util.h"
#include "matrix.h"
#include "debounce.h"
#include "quantum.h"
#include "board.h"
#if (MATRIX_COLS <= 8)
# define print_matrix_header() print("\nr/c 01234567\n")
# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row))
# define matrix_bitpop(i) bitpop(matrix[i])
# define ROW_SHIFTER ((uint8_t)1)
#elif (MATRIX_COLS <= 16)
# define print_matrix_header() print("\nr/c 0123456789ABCDEF\n")
# define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row))
# define matrix_bitpop(i) bitpop16(matrix[i])
# define ROW_SHIFTER ((uint16_t)1)
#elif (MATRIX_COLS <= 32)
# define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n")
# define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row))
# define matrix_bitpop(i) bitpop32(matrix[i])
# define ROW_SHIFTER ((uint32_t)1)
#endif
#ifdef MATRIX_MASKED
extern const matrix_row_t matrix_mask[];
#endif
/* matrix state(1:on, 0:off) */
static matrix_row_t raw_matrix[MATRIX_ROWS]; // raw values
static matrix_row_t matrix[MATRIX_ROWS]; // debounced values
__attribute__((weak)) void matrix_init_quantum(void) { matrix_init_kb(); }
__attribute__((weak)) void matrix_scan_quantum(void) { matrix_scan_kb(); }
__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 matrix_row_t matrix_get_row(uint8_t row) {
// Matrix mask lets you disable switches in the returned matrix data. For example, if you have a
// switch blocker installed and the switch is always pressed.
#ifdef MATRIX_MASKED
return matrix[row] & matrix_mask[row];
#else
return matrix[row];
#endif
}
void matrix_print(void) {
print_matrix_header();
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
phex(row);
print(": ");
print_matrix_row(row);
print("\n");
}
}
void matrix_init(void) {
// initialize key pins
board_init();
// initialize matrix state: all keys off
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
raw_matrix[i] = 0;
matrix[i] = 0;
}
debounce_init(MATRIX_ROWS);
matrix_init_quantum();
}
uint8_t matrix_scan(void) {
bool changed = false;
// Set row, read cols
for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
changed |= board_read_cols_on_row(raw_matrix, current_row);
}
debounce(raw_matrix, matrix, MATRIX_ROWS, changed);
matrix_scan_quantum();
return 1;
}
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