- /*
- Copyright 2011 Jun Wako <wakojun@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/>.
- */
-
- #pragma once
-
- #include <stdint.h>
- #include <stdbool.h>
- #include "gpio.h"
-
- /* diode directions */
- #define COL2ROW 0
- #define ROW2COL 1
-
- #if (MATRIX_COLS <= 8)
- typedef uint8_t matrix_row_t;
- #elif (MATRIX_COLS <= 16)
- typedef uint16_t matrix_row_t;
- #elif (MATRIX_COLS <= 32)
- typedef uint32_t matrix_row_t;
- #else
- # error "MATRIX_COLS: invalid value"
- #endif
-
- #define MATRIX_ROW_SHIFTER ((matrix_row_t)1)
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- /* number of matrix rows */
- uint8_t matrix_rows(void);
- /* number of matrix columns */
- uint8_t matrix_cols(void);
- /* should be called at early stage of startup before matrix_init.(optional) */
- void matrix_setup(void);
- /* intialize matrix for scaning. */
- void matrix_init(void);
- /* scan all key states on matrix */
- uint8_t matrix_scan(void);
- /* whether matrix scanning operations should be executed */
- bool matrix_can_read(void);
- /* whether a switch is on */
- bool matrix_is_on(uint8_t row, uint8_t col);
- /* matrix state on row */
- matrix_row_t matrix_get_row(uint8_t row);
- /* print matrix for debug */
- void matrix_print(void);
- /* delay between changing matrix pin state and reading values */
- void matrix_output_select_delay(void);
- void matrix_output_unselect_delay(uint8_t line, bool key_pressed);
- /* only for backwards compatibility. delay between changing matrix pin state and reading values */
- void matrix_io_delay(void);
-
- /* power control */
- void matrix_power_up(void);
- void matrix_power_down(void);
-
- void matrix_init_kb(void);
- void matrix_scan_kb(void);
-
- void matrix_init_user(void);
- void matrix_scan_user(void);
-
- #ifdef SPLIT_KEYBOARD
- bool matrix_post_scan(void);
- void matrix_slave_scan_kb(void);
- void matrix_slave_scan_user(void);
- #endif
-
- #ifdef __cplusplus
- }
- #endif
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