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-rw-r--r--keyboards/hhkb/config.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/keyboards/hhkb/config.h b/keyboards/hhkb/config.h
index 3f0528b4b9..af7ecc5e25 100644
--- a/keyboards/hhkb/config.h
+++ b/keyboards/hhkb/config.h
@@ -54,6 +54,47 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
)
+#ifdef HHKB_RN42_ENABLE
+// rn42 support -- acquired from the tmk repo. This is almost certainly not
+// integrated with qmk in the correct way.
+
+#define SUART_OUT_PORT PORTD
+#define SUART_OUT_BIT 0
+#define SUART_IN_PIN PIND
+#define SUART_IN_BIT 1
+
+#ifdef __AVR_ATmega32U4__
+ /* iom32u4.h has no definition of UCSR1D. copy from iom32u2.h */
+ #define UCSR1D _SFR_MEM8(0xCB)
+ #define RTSEN 0
+ #define CTSEN 1
+
+ #define SERIAL_UART_BAUD 115200
+ #define SERIAL_UART_DATA UDR1
+ #define SERIAL_UART_UBRR ((F_CPU/(16.0*SERIAL_UART_BAUD)-1+0.5))
+ #define SERIAL_UART_RXD_VECT USART1_RX_vect
+ #define SERIAL_UART_TXD_READY (UCSR1A&(1<<UDRE1))
+ #define SERIAL_UART_INIT() do { \
+ UBRR1L = (uint8_t) SERIAL_UART_UBRR; /* baud rate */ \
+ UBRR1H = ((uint16_t)SERIAL_UART_UBRR>>8); /* baud rate */ \
+ UCSR1B |= (1<<RXCIE1) | (1<<RXEN1); /* RX interrupt, RX: enable */ \
+ UCSR1B |= (0<<TXCIE1) | (1<<TXEN1); /* TX interrupt, TX: enable */ \
+ UCSR1C |= (0<<UPM11) | (0<<UPM10); /* parity: none(00), even(01), odd(11) */ \
+ UCSR1D |= (0<<RTSEN) | (0<<CTSEN); /* RTS, CTS(no flow control by hardware) */ \
+ DDRD |= (1<<5); PORTD &= ~(1<<5); /* RTS for flow control by firmware */ \
+ sei(); \
+ } while(0)
+ #define SERIAL_UART_RTS_LO() do { PORTD &= ~(1<<5); } while (0)
+ #define SERIAL_UART_RTS_HI() do { PORTD |= (1<<5); } while (0)
+#else
+ #error "USART configuration is needed."
+#endif
+
+/* power control of key switch board */
+#define HHKB_POWER_SAVING
+
+#endif
+
/*
* Feature disable options
* These options are also useful to firmware size reduction.