[rsbs2] / bmc / usart.c

#include <avr/io.h>
#include <stdio.h>

#include "usart.h"

#define UBRR_VAL ((F_CPU+BAUD*8)/(BAUD*16)-1)
#define BAUD_REAL (F_CPU/(16*(UBRR_VAL+1)))
#define BAUD_ERROR ((BAUD_REAL*1000)/BAUD)

#if ((BAUD_ERROR<990) || (BAUD_ERROR>1010))
Commit	Line	Data
d6f38d0d MG	1	#include <avr/io.h>
	2	#include <stdio.h>
	3
	4	#include "usart.h"
	5
	6	#define UBRR_VAL ((F_CPU+BAUD8)/(BAUD16)-1)
	7	#define BAUD_REAL (F_CPU/(16*(UBRR_VAL+1)))
	8	#define BAUD_ERROR ((BAUD_REAL*1000)/BAUD)
	9
	10	#if ((BAUD_ERROR<990) \|\| (BAUD_ERROR>1010))
	11