uart.h

来自「手持式GPS导航系统－源码」· C头文件 代码 · 共 19 行

/* Environment: WinAVR 20060421*/
/* This program is designed for standard io stream */
/* It use the function fdevopen(int*,int*) */
#ifndef __UART_H__
#define __UART_H__

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

#define FOSC   7372800
#define BAUD   4800
#define MYUBRR FOSC/BAUD/16-1

extern int USART_putchar(char CH);
extern int USART_getchar(void);
extern void COM_Initial(unsigned int UBRR_val);

#endif