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tmk_keyboard_custom/matrix.h

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2011-07-20 15:32:52 +00:00
/*
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/>.
*/
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#ifndef MATRIX_H
#define MATRIX_H
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#include <stdbool.h>
/* number of matrix rows */
uint8_t matrix_rows(void);
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/* number of matrix columns */
uint8_t matrix_cols(void);
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/* intialize matrix for scaning. should be called once. */
void matrix_init(void);
/* scan all key states on matrix */
uint8_t matrix_scan(void);
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/* whether modified from previous scan. used after matrix_scan. */
bool matrix_is_modified(void);
/* whether ghosting occur on matrix. */
bool matrix_has_ghost(void);
/* whether a swtich is on */
bool matrix_is_on(uint8_t row, uint8_t col);
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/* matrix state on row */
#if (MATRIX_COLS <= 8)
uint8_t matrix_get_row(uint8_t row);
#else
uint16_t matrix_get_row(uint8_t row);
#endif
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/* count keys pressed */
uint8_t matrix_key_count(void);
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/* print matrix for debug */
void matrix_print(void);
#endif