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);
PORTC |= (1<<6|1<<7);
+#else
+ /* input with pull up to save power */
+ DDRC &= ~(1<<6|1<<7);
+ PORTC |= (1<<6|1<<7);
#endif
KEY_UNABLE();
KEY_PREV_OFF();
+
+ KEY_POWER_OFF();
}
static inline void KEY_SELECT(uint8_t ROW, uint8_t COL)
{
#elif defined(__AVR_AT90USB1286__)
-/*
+/*
* For Teensy++(AT90USB1286)
*
- * row: PB0-2
- * col: PB3-5,6
- * key: PE6(pull-uped)
- * prev: PE7
+ * HHKB pro HHKB pro2
+ * row: PB0-2 (6-8) (5-7)
+ * col: PB3-5,6 (9-12) (8-11)
+ * key: PE6(pull-uped) (4) (3)
+ * prev: PE7 (5) (4)
*
* TODO: convert into 'staitc inline' function
*/
#define KEY_PREV_OFF() (PORTE &= ~(1<<7))
#define KEY_POWER_ON()
#define KEY_POWER_OFF()
+#define KEY_POWER_STATE() true
#else