em4100.h

是采用基站芯片读卡号

#ifndef __EM4100_h__
#define __EM4100_h__

#include<reg52.h>

#define uchar unsigned char
#define uint  unsigned int
#define ulong unsigned long


#define TIME_OF   255	//22.1184M
#define DELAY_VAL 230	//22.1184M时晶振的值，可用软件模拟准确产生延时

sbit Manchester_IN=P3^3;   //曼彻斯特码输入端

extern ulong Read_Card();//尝试读十次卡，无卡则返回0，有卡则返回卡号
extern void LED_Flash(uchar ); 

#endif