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Diffstat (limited to 'matrix.h')
| -rw-r--r-- | matrix.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/matrix.h b/matrix.h new file mode 100644 index 0000000000..1bcd0915fe --- /dev/null +++ b/matrix.h @@ -0,0 +1,32 @@ +#ifndef MATRIX_H +#define MATRIX_H + +#include <stdbool.h> + +/* 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); +/* 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); +/* 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 +/* count keys pressed */ +uint8_t matrix_key_count(void); +/* print matrix for debug */ +void matrix_print(void); + + +#endif |