diff options
Diffstat (limited to 'keyboard/hhkb/hhkb_avr.h')
| -rw-r--r-- | keyboard/hhkb/hhkb_avr.h | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/keyboard/hhkb/hhkb_avr.h b/keyboard/hhkb/hhkb_avr.h index b7bd507b5d..7ea6322c73 100644 --- a/keyboard/hhkb/hhkb_avr.h +++ b/keyboard/hhkb/hhkb_avr.h @@ -41,17 +41,32 @@ static inline void KEY_UNABLE(void) { (PORTB |= (1<<6)); } static inline bool KEY_STATE(void) { return (PIND & (1<<7)); } static inline void KEY_PREV_ON(void) { (PORTB |= (1<<7)); } static inline void KEY_PREV_OFF(void) { (PORTB &= ~(1<<7)); } +#ifdef HHKB_POWER_SAVING +static inline void KEY_POWER_ON(void) { + DDRB = 0xFF; PORTB = 0x40; // change pins output + DDRD |= (1<<4); PORTD |= (1<<4); // MOS FET switch on + /* 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 + DDRD |= (1<<4); PORTD &= ~(1<<4); // MOS FET switch off +} +static inline bool KEY_POWER_STATE(void) { return PORTD & (1<<4); } +#else static inline void KEY_POWER_ON(void) {} static inline void KEY_POWER_OFF(void) {} +static inline bool KEY_POWER_STATE(void) { return true; } +#endif static inline void KEY_INIT(void) { + /* row,col,prev: output */ DDRB = 0xFF; - PORTB = 0x00; + PORTB = 0x40; // unable + /* key: input with pull-up */ DDRD &= ~0x80; - PORTD |= 0x80; - /* keyswitch board power on */ - DDRD |= (1<<4); - PORTD |= (1<<4); + PORTD |= 0x80; #ifdef HHKB_JP /* row extention for HHKB JP */ DDRC |= (1<<6|1<<7); @@ -59,6 +74,8 @@ static inline void KEY_INIT(void) #endif KEY_UNABLE(); KEY_PREV_OFF(); + + KEY_POWER_OFF(); } static inline void KEY_SELECT(uint8_t ROW, uint8_t COL) { @@ -98,6 +115,7 @@ static inline void KEY_SELECT(uint8_t ROW, uint8_t COL) #define KEY_PREV_OFF() (PORTE &= ~(1<<7)) #define KEY_POWER_ON() #define KEY_POWER_OFF() +#define KEY_POWER_STATE() true #else |