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Add RN-42 Bluetooth module support

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This commit is contained in:
tmk 2014-07-01 04:29:45 +09:00
parent be19b2bf32
commit 31a298f9d9
6 changed files with 696 additions and 6 deletions
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29
keyboard/hhkb_rn42/config.h
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@ -47,6 +47,35 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define BOOTMAGIC_KEY_SALT KC_FN6
/*
* Hardware Serial(UART)
* Baud rate are calculated with round off(+0.5).
*/
#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 */ \
sei(); \
} while(0)
#else
#error "USART configuration is needed."
#endif
/*
* Feature disable options
* These options are also useful to firmware size reduction.