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Apply patch of Ivan Delamer for atmega1281 @ 4 MHz

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This commit is contained in:
David Kopf 2011-08-17 13:16:46 -04:00
parent 36fa735323
commit 3ea102050b
1 changed files with 15 additions and 0 deletions
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15
cpu/avr/dev/rs232_atmega1281.h
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@ -86,6 +86,21 @@
#define USART_BAUD_230400 1
#define USART_BAUD_250000 1
#define USART_BAUD_500000 0
#elif (F_CPU == 4000000UL)
/* Single speed operation (U2X = 0)*/
#define USART_BAUD_2400 103
#define USART_BAUD_4800 51
#define USART_BAUD_9600 25
#define USART_BAUD_14400 16
#define USART_BAUD_19200 12
#define USART_BAUD_28800 8
#define USART_BAUD_38400 6
#define USART_BAUD_57600 3
#define USART_BAUD_76800 2
#define USART_BAUD_115200 1
#define USART_BAUD_230400 0
#define USART_BAUD_250000 0
#define USART_BAUD_500000 0
#else
#error "Please define the baud rates for your CPU clock: ATmega128 handbook p. \
195-198 or set the rate in contiki-conf.h"