//common.h
#ifndef   __COMMON_H__
#define   __COMMON_H__
	#include <reg52.h>
	#include <stdio.h>
	
	#define uchar unsigned char
	#define ushort unsigned short
	#define uint unsigned int
	#define ulong unsigned long
	#define UCHAR unsigned char
	#define USHORT unsigned short
	#define UINT unsigned int
	#define FALSE   0
	#define TRUE    (!FALSE)
	#define BOOL char
	#define DISABLE	EA=0
	#define ENABLE		EA=1

	void delay(uint time);
#endif //__COMMON_H__