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Add ATmega32u2 Support to HHKB (#17298)

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jels 2022-07-02 22:18:56 +10:00 • committed by GitHub
parent a80943579c
commit ac333016eb
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3 changed files with 61 additions and 2 deletions
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5
keyboards/hhkb/ansi/32u2/rules.mk Normal file
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@ -0,0 +1,5 @@
# MCU name
MCU = atmega32u2
CONSOLE_ENABLE = no # Console for debug
COMMAND_ENABLE = no # Commands for debug and configuration

54
keyboards/hhkb/ansi/hhkb_avr.h
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@ -78,6 +78,60 @@ static inline void KEY_SELECT(uint8_t ROW, uint8_t COL)
}
#elif defined(__AVR_ATmega32U2__)
/*
* For TMK HHKB alt controller(ATMega32U4)
*
* row: PB0-2
* col: PB3-5,6
* key: PD3(pull-uped)
* prev: PB7
* power: PD4(L:off/H:on)
* row-ext: PC6,7 for HHKB JP(active low)
*/
static inline void KEY_ENABLE(void) { (PORTB &= ~(1<<6)); }
static inline void KEY_UNABLE(void) { (PORTB |= (1<<6)); }
static inline bool KEY_STATE(void) { return (PIND & (1<<3)); }
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 = 0x40; // unable
/* key: input with pull-up */
DDRD &= ~0x80;
PORTD |= 0x80;
KEY_UNABLE();
KEY_PREV_OFF();
KEY_POWER_OFF();
}
static inline void KEY_SELECT(uint8_t ROW, uint8_t COL)
{
PORTB = (PORTB & 0xC0) | (((COL) & 0x07)<<3) | ((ROW) & 0x07);
}
#elif defined(__AVR_AT90USB1286__)
/*

4
keyboards/hhkb/ansi/rules.mk
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@ -14,9 +14,9 @@ CONSOLE_ENABLE = yes # Console for debug
COMMAND_ENABLE = yes # Commands for debug and configuration
CUSTOM_MATRIX = yes # Custom matrix file for the HHKB
NKRO_ENABLE = no # Enable N-Key Rollover
# BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality
# HHKB_RN42_ENABLE = yes # Enable support for hasu's BT alt controller -- code borrowed from tmk source tree.
HHKB_RN42_ENABLE = no # Enable support for hasu's BT alt controller -- code borrowed from tmk source tree.
# Either uncomment the HHKB_RN42_ENABLE line above, or run make enabling the
# feature. Be sure to clean any existing build before trying to enable rn42