+#elif defined(__AVR_ATmega32U4__)
+// Ports for my designed Alt Controller PCB
+// row: PB0-2
+// col: PB3-5,6
+// key: PD7(pull-uped)
+// prev: PB7
+// power: PD4(L:off/H:on)
+#define KEY_INIT() do { \
+ DDRB = 0xFF; \
+ PORTB = 0x00; \
+ DDRD &= ~0x80; \
+ PORTD |= 0x80; \
+ /* keyswitch board power on */ \
+ DDRD |= (1<<4); \
+ PORTD |= (1<<4); \
+ KEY_UNABLE(); \
+ KEY_PREV_OFF(); \
+} 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() (PIND & (1<<7))
+#define KEY_PREV_ON() (PORTB |= (1<<7))
+#define KEY_PREV_OFF() (PORTB &= ~(1<<7))
+#define KEY_POWER_ON()
+#define KEY_POWER_OFF()
+/*
+#define KEY_POWER_ON() do { \
+ KEY_INIT(); \
+ PORTD |= (1<<4); \
+ _delay_ms(1); \
+} while (0)
+#define KEY_POWER_OFF() do { \
+ PORTD &= ~(1<<4); \
+ DDRB &= ~0xFF; \
+ PORTB &= ~0xFF; \
+ DDRB &= ~0x80; \
+ PORTB &= ~0x80; \
+} while (0)
+*/
+
+