-#if (MATRIX_COLS <= 8)
-static uint8_t *matrix;
-static uint8_t *matrix_prev;
-static uint8_t _matrix0[MATRIX_ROWS];
-static uint8_t _matrix1[MATRIX_ROWS];
-#else
-static uint16_t *matrix;
-static uint16_t *matrix_prev;
-static uint16_t _matrix0[MATRIX_ROWS];
-static uint16_t _matrix1[MATRIX_ROWS];
-#endif
-
-// HHKB has no ghost and no bounce.
-#ifdef MATRIX_HAS_GHOST
-static bool matrix_has_ghost_in_row(uint8_t row);
-#endif
-
-
-// Matrix I/O ports
-//
-// row: HC4051[A,B,C] selects scan row0-7
-// col: LS145[A,B,C,D] selects scan col0-7 and enable(D)
-// key: on: 0/off: 1
-// prev: unknown: output previous key state(negated)?
-
-#ifdef HOST_PJRC
-// Ports for Teensy
-// row: PB0-2
-// col: PB3-5,6
-// key: PE6(pull-uped)
-// prev: PE7
-#define KEY_INIT() do { \
- DDRB |= 0x7F; \
- DDRE |= (1<<7); \
- DDRE &= ~(1<<6); \
- PORTE |= (1<<6); \
-} while (0)
-#define KEY_SELECT(ROW, COL) (PORTB = (PORTB & 0xC0) | \
- (((COL) & 0x07)<<3) | \
- ((ROW) & 0x07))
-#define KEY_ENABLE() (PORTB &= ~(1<<6))
-#define KEY_UNABLE() (PORTB |= (1<<6))
-#define KEY_STATE() (PINE & (1<<6))
-#define KEY_PREV_ON() (PORTE |= (1<<7))
-#define KEY_PREV_OFF() (PORTE &= ~(1<<7))
-#define KEY_POWER_ON()
-#define KEY_POWER_OFF()
-#else
-// Ports for V-USB
-// key: PB0(pull-uped)
-// prev: PB1
-// row: PB2-4
-// col: PC0-2,3
-// power: PB5(Low:on/Hi-z:off)
-#define KEY_INIT() do { \
- DDRB |= 0x3E; \
- DDRB &= ~(1<<0); \
- PORTB |= 1<<0; \
- DDRC |= 0x0F; \
- KEY_UNABLE(); \
- KEY_PREV_OFF(); \
-} while (0)
-#define KEY_SELECT(ROW, COL) do { \
- PORTB = (PORTB & 0xE3) | ((ROW) & 0x07)<<2; \
- PORTC = (PORTC & 0xF8) | ((COL) & 0x07); \
-} while (0)
-#define KEY_ENABLE() (PORTC &= ~(1<<3))
-#define KEY_UNABLE() (PORTC |= (1<<3))
-#define KEY_STATE() (PINB & (1<<0))
-#define KEY_PREV_ON() (PORTB |= (1<<1))
-#define KEY_PREV_OFF() (PORTB &= ~(1<<1))
-// Power supply switching
-#define KEY_POWER_ON() do { \
- KEY_INIT(); \
- PORTB &= ~(1<<5); \
- _delay_us(200); \
-} while (0)
-#define KEY_POWER_OFF() do { \
- DDRB &= ~0x3F; \
- PORTB &= ~0x3F; \
- DDRC &= ~0x0F; \
- PORTC &= ~0x0F; \
-} while (0)
-#endif