-#if DIODE_DIRECTION == ROW2COL
-# if MATRIX_ROWS <= 8
-typedef uint8_t matrix_col_t;
-# elif MATRIX_ROWS <= 16
-typedef uint16_t matrix_col_t;
-# elif MATRIX_ROWS <= 32
-typedef uint32_t matrix_col_t;
-# else
-# error "There are too many rows."
-# endif
-#endif