#define uchar unsigned char
#define uint unsigned int
#define ON 0
#define OFF 1
#define False 0
#define True 1
#define Write_At24c01A 0xa0    //寫(xiě)入
#define Read_At24c01A  0xa1    //讀出

sbit Card_In = P1 ^ 0;		//檢測(cè)是否有卡插入
sbit Card_Power_Control = P1 ^ 1;	//上電
sbit SDA = P1 ^ 3;	//數(shù)據(jù)位
sbit SCL = P1 ^ 2;	//時(shí)鐘
sbit Card_Power_LED = P1 ^ 4;
sbit P1_5 = P1 ^ 5;
sbit P1_6 = P1 ^ 6;
sbit P1_7 = P1 ^ 7;
sbit RST = P3 ^ 7;    //復(fù)位線

bit ack;	//應(yīng)答標(biāo)志
//ack=1正確
//uchar Write_add;        //寫(xiě)地址

bit Card_Insert_Flag;	  //卡插入標(biāo)志
bit Card_Write_Flag;	  //寫(xiě)標(biāo)志
bit Card_Read_Flag;		  //讀標(biāo)志

uchar Write_Add;
uchar Write_Data;
uchar R_Counter;
uchar R_Buffer[3];

void NOP();               //延時(shí)
void Open_At24c01A();     //打開(kāi)at24c01a
void Close_At24c01A();    //關(guān)閉at24c01a
void Start_I2C();	//啟動(dòng)函數(shù)
void Stop_I2C();	//結(jié)束函數(shù)
void Ack_I2C();	//應(yīng)答函數(shù)
void SendByte(uchar c);	//字節(jié)發(fā)送函數(shù)
void init();
void R_Serial();
void Send();