9 typedef uint8_t matrix_row_t;
11 uint8_t matrix_rows(void);
12 uint8_t matrix_cols(void);
13 void matrix_init(void);
14 uint8_t matrix_scan(void);
15 bool matrix_is_modified(void);
16 bool matrix_is_on(uint8_t row, uint8_t col);
17 matrix_row_t matrix_get_row(uint8_t row);