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Added uart config for using rn42 with at90usb1286 (#6582)

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* Added uart config for using rn42 with at90usb1286

* Updated quantum/config_common.h

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Update quantum/config_common.h

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Update quantum/config_common.h

Co-Authored-By: fauxpark <fauxpark@gmail.com>
This commit is contained in:
Deckweiss 2019-10-16 00:10:23 +02:00 committed by fauxpark
parent 2ac4197b73
commit eac6ccff98
1 changed files with 19 additions and 0 deletions
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19
quantum/config_common.h
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@ -303,6 +303,25 @@
UCSR1C = _BV(UCSZ11) | _BV(UCSZ10); \
sei(); \
} while (0)
# elif (defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__))
# define SERIAL_UART_BAUD 115200
# define SERIAL_UART_DATA UDR1
/* UBRR should result in ~16 and set UCSR1A = _BV(U2X1) as per rn42 documentation. HC05 needs baudrate configured accordingly */
# define SERIAL_UART_UBRR (F_CPU / (8UL * SERIAL_UART_BAUD) - 1)
# define SERIAL_UART_RXD_VECT USART1_RX_vect
# define SERIAL_UART_TXD_READY (UCSR1A & _BV(UDRE1))
# define SERIAL_UART_INIT() do { \
UCSR1A = _BV(U2X1); \
/* baud rate */ \
UBRR1L = SERIAL_UART_UBRR; \
/* baud rate */ \
UBRR1H = SERIAL_UART_UBRR >> 8; \
/* enable TX */ \
UCSR1B = _BV(TXEN1); \
/* 8-bit data */ \
UCSR1C = _BV(UCSZ11) | _BV(UCSZ10); \
sei(); \
} while(0)
# else
# error "USART configuration is needed."
# endif