static inline void KEY_POWER_ON(void) {
DDRB = 0xFF; PORTB = 0x40; // change pins output
DDRD |= (1<<4); PORTD |= (1<<4); // MOS FET switch on
-#ifdef HHKB_JP
- DDRC |= (1<<6|1<<7);
- PORTC |= (1<<6|1<<7);
-#endif
/* Without this wait you will miss or get false key events. */
_delay_ms(5); // wait for powering up
}
static inline void KEY_POWER_OFF(void) {
/* input with pull-up consumes less than without it when pin is open. */
DDRB = 0x00; PORTB = 0xFF; // change pins input with pull-up
-#ifdef HHKB_JP
- DDRC &= ~(1<<6|1<<7);
- PORTC |= (1<<6|1<<7);
-#endif
DDRD |= (1<<4); PORTD &= ~(1<<4); // MOS FET switch off
}
static inline bool KEY_POWER_STATE(void) { return PORTD & (1<<4); }