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-rw-r--r--common/matrix.h68
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diff --git a/common/matrix.h b/common/matrix.h
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--- a/common/matrix.h
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-/*
-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/>.
-*/
-
-#ifndef MATRIX_H
-#define MATRIX_H
-
-#include <stdint.h>
-#include <stdbool.h>
-
-
-#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_IS_ON(row, col) (matrix_get_row(row) && (1<<col))
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* number of matrix rows */
-uint8_t matrix_rows(void);
-/* number of matrix columns */
-uint8_t matrix_cols(void);
-/* intialize matrix for scaning. should be called once. */
-void matrix_init(void);
-/* scan all key states on matrix */
-uint8_t matrix_scan(void);
-/* whether modified from previous scan. used after matrix_scan. */
-bool matrix_is_modified(void) __attribute__ ((deprecated));
-/* whether a swtich 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);
-
-
-/* power control */
-void matrix_power_up(void);
-void matrix_power_down(void);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif