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authorDeckweiss <Deckweiss75@gmail.com>2019-10-16 00:10:23 +0200
committerDrashna Jael're <drashna@live.com>2019-12-05 16:03:52 -0800
commit70ce9e566edc5f96fa55883a788cdb71d2ed0ae8 (patch)
tree0a181f64c7df3e98e310c371d6e32e5059137919
parent67d52f67df17acd7d710049c065fce83afe7b49e (diff)
Added uart config for using rn42 with at90usb1286 (#6582)
* 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>
-rw-r--r--quantum/config_common.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/quantum/config_common.h b/quantum/config_common.h
index 80715f2fcd..f42df6357d 100644
--- a/quantum/config_common.h
+++ b/quantum/config_common.h
@@ -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