uart.h

AVR mega16/mega32的UART FIFO发送.超时接收,广泛应用于工业控制.这是原创作品.

#ifndef __Uart__H__
#define __Uart__H__


//#define F_CPU 11059200
#define baud 	9600
#define UBRR 	(F_CPU/16/baud-1)
#define OutLEN 	255		//串口发送缓冲大小 
#define InLEN 	40   	//串口接收缓冲大小 

extern volatile unsigned char UartSendBuffer[];
extern volatile unsigned char UartReceiveBuffer[];
extern volatile unsigned char *outlast;
extern volatile unsigned char *putlast;
extern volatile unsigned char UartSendBufferemptyFlag;
extern volatile unsigned char UartSendBufferHaveDataFlag;

extern volatile unsigned char UartReceiveCounter;
extern volatile unsigned char UartTimeoutFlag;
extern volatile unsigned char WaitForUartCounter;
extern volatile unsigned char UartDataReadyFlag;

void UartInit(void);
void UartSendchar(unsigned char data);
void UartSendString(unsigned char *str);
void UartSendByte(unsigned char *Startaddr,unsigned char SendByte);

#endif