main_loop.h

波特率可变；中断方式接收、发送；收发独立8字节缓冲区；可选择是否在满缓冲区后丢弃数据

// Header:
// File Name: main_loop.h
// Author:
// Date:

#ifndef __MAIN_LOOP_H__
#define __MAIN_LOOP_H__


void serial_R(unsigned char);

extern void serial_init(unsigned long,unsigned long);
extern char putchar (char);
extern char _getkey (void) ;

#endif