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tmk_keyboard/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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typedef union {
uint16_t raw;
keypos_t pos;
} key_t;
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/* key event */
typedef struct {
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key_t key;
bool pressed;
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uint16_t time;
} keyevent_t;
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/* equivalent test of key_t */
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#define KEYEQ(keya, keyb) ((keya).raw == (keyb).raw)
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/* (time == 0) means no event and assumes matrix has no 255 line. */
#define IS_NOEVENT(event) ((event).time == 0 || ((event).key.pos.row == 255 && (event).key.pos.col == 255))
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#define NOEVENT (keyevent_t){ \
.key.pos = (keypos_t){ .row = 255, .col = 255 }, \
.pressed = false, \
.time = 0 \
}
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/* tick event */
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#define TICK (keyevent_t){ \
.key.pos = (keypos_t){ .row = 255, .col = 255 }, \
.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);
#ifdef __cplusplus
}
#endif
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#endif