文件頭:


#include <stdio.h>

#include <intrins.h>

#include <reg51.h>

#include <Verify4442.h>

main()

{

	init();

	if(IC_In == 1)

	{

		IC_VCCC = 1;

		IC_VCC_LED = ON;

		Delay10us();		

		ResetCard();				//

		IC_Verify_Flag = Verify(PassWord[0],PassWord[1],PassWord[2]);

		BreakOperate();

		Delay10us();

		//if( IC_Verify_Flag == True)

		//{

			WriteMainMem(0xff,0xff);

			Delay10us();

			WriteMainMem(0xe0,0xe0);

		//}

		Delay10us();

		ResetCard();

		Verify_Send();

		Delay10us();

		IC_VCCC = 0;

	}

}



bit Verify(uchar pt1,pt2,pt3)

{

     uchar idata temp[4];                //暫存4字節的保密區內容

     uchar i;

     SendComm(RSM_COMM,0xff,0xff);        //讀密碼存儲區的命令字,第2,3個參數在此命令中被忽略

     ReadMode(temp, 4);                   //讀出

	 IC_PassWord[4] = temp[4]; 	 

     if((temp[0] & 0x07) != 0)            //第一字節是錯誤計數器,如果錯誤計數器為0,直接退出

     {

         if((temp[0] & 0x07)==0x07)     // 00000111

                i = 0x06;

        文件尾:
  _nop_();

    _nop_();

    _nop_();

}





void init()

{

	//uchar i;

	TMOD=0x20;

	TL1=0xFd;

	TH1=0xFd;

	SCON=0x50;

	PCON=0x00;

	EA = 1;

	ES = 1;

	TR1=1;	

	IC_VCCC = 0;

	IC_In = 1;

	IC_Verify_LED = OFF;

	IC_Read_LED = OFF;

	IC_In_LED = OFF; 

	IC_VCC_LED = OFF;

	IC_Read_Flag = True;

	IC_Verify_Flag = False;	

//	IC_Write_add = 0xE0;

//	IC_Write_data = 0xE0;

}



void Verify_Send()

{

	if(IC_Verify_Flag == True)

	{

		SBUF = 0xff;

		do{}

		while(TI == 0);

		TI = 0;

	}

	else

	{

		SBUF = 0x00;

		do{}

		while(TI == 0);

		TI = 0;

	}

}



void ProcessMode(void)

{

    uint i;

    IC_CLK = 0;

    Delay5us();    

    IC_IO  = 0;

    for (i = 255; i > 0; i--)

    {

        IC_CLK = 1;

        Delay5us();

        IC_CLK = 0;

        Delay5us();

    }

    IC_IO  = 1;

}



void WriteMainMem(uchar addr,uchar Data)

{

    ResetCard();

    SendComm(WMM_COMM, addr, Data);     //寫主存的命令字,地址,數據

    ProcessMode();

    BreakOperate();    

}