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Got uart/usart serial communication working with the atmega168. Added some #define for the appropriate register and interrupt/signal names.

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David A. Mellis 2006-08-26 11:35:39 +00:00
parent 2f97a4b146
commit 896194ff77
2 changed files with 15 additions and 1 deletions
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2
readme.txt
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@ -30,7 +30,7 @@ UPDATES
0005 0005
ATmega168 support on the way (currently timers and pwm working). ATmega168 support in the AVR libraries.
New Wiring-compatible randomSeed(), random(max) and random(min, max) functions New Wiring-compatible randomSeed(), random(max) and random(min, max) functions
(except operating on longs instead of floats). (except operating on longs instead of floats).
Fixed bug that sometimes caused uploading of old versions of a sketch. Fixed bug that sometimes caused uploading of old versions of a sketch.

14
targets/arduino/uart.h
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@ -58,6 +58,20 @@
#if defined(UBRR) && !defined(UBRRL) #if defined(UBRR) && !defined(UBRRL)
#define UBRRL UBRR #define UBRRL UBRR
#endif #endif
// DAM: it seems the ATmega168 includes a '0' in its register names, despite
// having only one uart
#if defined(__AVR_ATmega168__)
#define RXCIE RXCIE0
#define TXCIE TXCIE0
#define RXEN RXEN0
#define TXEN TXEN0
#define UDR UDR0
#define UCR UCSR0B
#define UBRRL UBRR0L
#define UBRRH UBRR0H
#define SIG_UART_TRANS USART_TX_vect
#define SIG_UART_RECV USART_RX_vect
#endif
// compatibility with dual-uart processors // compatibility with dual-uart processors
// (if you need to use both uarts, please use the uart2 library) // (if you need to use both uarts, please use the uart2 library)
#if defined(__AVR_ATmega128__) #if defined(__AVR_ATmega128__)