main.h

这是个用C语言写的单片机程序

//main.h
#ifndef _MAIN_H
#define _MAIN_H
#include <reg52.h>
#define OSC_FREQ (12000000UL)  //此处一定要注意用空格将其分开
#define OSC_PER_INST (12)
typedef unsigned char tByte;
typedef unsigned int tWord; 
typedef unsigned long tLong;
#define INTERRUPT_Timer_0_Overflow 1
#define INTERRUPT_Timer_1_Overflow 3
#define INTERRUPT_Timer_2_Overflow 5
#endif