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- #ifndef MATRIX_SKEL_H
- #define MATRIX_SKEL_H 1
-
- #include <stdbool.h>
-
- /* number of matrix rows */
- int matrix_rows(void);
- /* number of matrix columns */
- int matrix_cols(void);
- /* intialize matrix for scaning. should be called once. */
- void matrix_init(void);
- /* scan all key states on matrix */
- int matrix_scan(void);
- /* 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(int row, int col);
- /* matrix state on row */
- uint16_t matrix_get_row(int row);
- /* count keys pressed */
- int matrix_key_count(void);
- /* print matrix for debug */
- void matrix_print(void);
-
-
- #endif
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