qmk-dactyl-manuform-a/common/keyboard.h

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/*
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Copyright 2011,2012,2013 Jun Wako <wakojun@gmail.com>
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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/>.
*/
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#ifndef KEYBOARD_H
#define KEYBOARD_H
#include <stdbool.h>
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#include <stdint.h>
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#ifdef __cplusplus
extern "C" {
#endif
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/* key matrix position */
typedef struct {
uint8_t col;
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uint8_t row;
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} keypos_t;
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/* key event */
typedef struct {
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keypos_t key;
bool pressed;
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uint16_t time;
} keyevent_t;
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/* equivalent test of keypos_t */
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#define KEYEQ(keya, keyb) ((keya).row == (keyb).row && (keya).col == (keyb).col)
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/* Rules for No Event:
* 1) (time == 0) to handle (keyevent_t){} as empty event
* 2) Matrix(255, 255) to make TICK event available
*/
static inline bool IS_NOEVENT(keyevent_t event) { return event.time == 0 || (event.key.row == 255 && event.key.col == 255); }
static inline bool IS_PRESSED(keyevent_t event) { return (!IS_NOEVENT(event) && event.pressed); }
static inline bool IS_RELEASED(keyevent_t event) { return (!IS_NOEVENT(event) && !event.pressed); }
/* Tick event */
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#define TICK (keyevent_t){ \
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.key = (keypos_t){ .row = 255, .col = 255 }, \
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.pressed = false, \
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.time = (timer_read() | 1) \
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}
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void keyboard_init(void);
void keyboard_task(void);
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void keyboard_set_leds(uint8_t leds);
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__attribute__ ((weak)) void matrix_power_up(void) {}
__attribute__ ((weak)) void matrix_power_down(void) {}
#ifdef __cplusplus
}
#endif
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#endif