求救，为什么M1卡密码读不出数据来了？

2020-02-05 08:51发布

#include "reg52.h"
#include <string.h>
#include <intrins.h>
#include "main.h"
#include "slrc1702.h"
#include "iso14443a.h"
//#include "stdio.h"

bit g_bReceOk;                                           //正确接收到上位机指令标志
bit g_bRc1702Ok;                                           //RC1702复位正常标志

unsigned int  g_cReceNum,tmp;                                  //接收到上位机的字节数
unsigned int  data g_cCommand;                            //接收到的命令码
unsigned char data g_cSNR[4];                            //M1卡序列号
unsigned char g_cIcdevH;                                  //设备标记
unsigned char g_cIcdevL;                                  //设备标记
unsigned char g_cFWI;                                     //
unsigned char g_cCidNad,flag;                                  //
unsigned char idata g_cReceBuf[64];                      //和上位机通讯时的缓冲区
unsigned char tt1[2];
unsigned char blockdata[16];
unsigned char Password[6]={0x77,0x77,0x77,0x77,0x77,0x77};

struct TranSciveBuffer{unsigned char MfCommand;
                     unsigned int  MfLength;
                     unsigned char MfData[64];
                  };

char M500PcdMfOutSelect(unsigned char type)
{
WriteRawRC(RegMfOutSelect,type&0x7);
return MI_OK;
}

char M500PiccRequest(unsigned char req_code, // request code ALL = 0x52
                                          // or IDLE = 0x26
               unsigned char *atq)    // answer to request
{
return PcdRequest(req_code,atq);
}

char M500PiccAnticoll (unsigned char *snr)
{
return PcdAnticoll(snr); // first cascade level
}

char M500PiccSelect(unsigned char *snr,
               unsigned char *sak)
{
return PcdSelect(snr,sak); // first cascade level
}

void main( )
{

   unsigned counter,i,status1,counter1;
   unsigned char mfout=2;
   unsigned char cardserialno[4];
   unsigned char *sak1,*pkeys;
   pkeys=&Password[6];


   InitializeSystem( );
   Rc1702Ready( );
   PcdConfigISOType( 'A' );

   PcdReadE2(8,4,g_cSNR);

   M500PcdMfOutSelect(mfout);


while(1)
   {


/* status1 = M500PiccRequest(PICC_REQALL, tt1);//寻卡
    if (status1==MI_OK)//如果找到卡
{

status1=M500PiccAnticoll(cardserialno);

}


   if (status1==MI_OK)
{
status1=M500PiccSelect(cardserialno,sak1);//选择卡

}
                     Password[0]=0x77;
                           Password[1]=0x77;
                           Password[2]=0x77;
                           Password[3]=0x77;
                           Password[4]=0x77;
                           Password[5]=0x77;


//授权


if (status1==MI_OK)
// {

//    if(MI_OK==ChangeCodeKey(&Password,pkeys))
  // {

//  if(MI_OK==PcdAuthKey(Password))
   {

   status1=PcdAuthState(PICC_AUTHENT1A,0x0c,&Password,sak1);

   }
        */
  // } }
  /*if(status1==MI_OK)
{

   status1=PcdLoadKeyE2(PICC_AUTHENT1A,0X0C);

   if(status1==MI_OK)
   {

   status1 = PcdAuthState(PICC_AUTHENT1A, 0X0C, sak1);

   }

}*/


   /* if(status1==MI_OK)
   {
         status1=PcdRead(0x0c,blockdata); //读数据
   // sond=~sond;

   for(counter1=0;counter1<16;counter1++)
{
i = blockdata[counter1]<<4>>4;//因为printf(%x) 只可以16进制显示整数,所以必须把uchar左移4位再右移4位,下同
}



}

   if(status1==MI_OK)
{

}

   }  */

   status1=PcdRequest(PICC_REQALL, tt1);

   if(status1==MI_OK)

   {
   status1=PcdRequest(PICC_REQALL, tt1);
   }
   else
{

continue;//提前终止此轮循环, 并跳到while入口处
}

   if(status1==MI_OK)
   {

status1=PcdAnticoll(g_cSNR); //防冲撞

   }
      else
{

continue;//提前终止此轮循环, 并跳到while入口处
}

   if(status1==MI_OK)
   {

status1=PcdSelect(g_cSNR,sak1);

   }
      else
{

continue;//提前终止此轮循环, 并跳到while入口处
}




   if(status1==MI_OK)  //下载密码  把7777777777下载下去
   {

status1=M500PcdLoadKeyE2(PICC_AUTHENT1A,0,&pkeys);  // Key loading into the fm1702sl  EEPROM


   }


   if(status1==MI_OK) //校检密码
   {

status1=PcdLoadKeyE2(PICC_AUTHENT1A,0); //将存在fm1702sl的EEPROM中的密钥匙调入fm1702sl的FIFO


}
   if(status1==MI_OK)
   {

   status1 = PcdAuthState(PICC_AUTHENT1A, 0X0C, g_cSNR);    //功能：用存放fm1702sl的FIFO中的密钥和卡上的密钥进行验证


   }
        else
{

continue;//提前终止此轮循环, 并跳到while入口处
}

         if(status1==MI_OK)

   {

   status1=PcdRead(0x0c,blockdata);    sond    = 0;             //蜂鸣器响一声，表示fm1702复位成功
   DelayMs(200);
   DelayMs(200);
sond    = 1;

   }

   }



   while(1){};

  }

/////////////////////////////////////////////////////////////////////
//系统初始化
/////////////////////////////////////////////////////////////////////
void InitializeSystem()
{
TMOD &= 0x0F;

TMOD |= 0x21;
//PCON |= 0x80;
//SCON  = 0x50;
//TH1 = TL1 = BOUND9600;
TR1=1;
P0 = P1 = P2 = P3 = 0xFF;
IE |= 0x90;
}

void time0() interrupt 1
{
    TH0=(65536-50)/256;
TL0=(65536-50)%256;
tmp++;

}

/////////////////////////////////////////////////////////////////////
//初始化fm1702
/////////////////////////////////////////////////////////////////////
void Rc1702Ready()
{
char status;
DelayMs(100);
DelayMs(100);
DelayMs(100);
DelayMs(100);
DelayMs(100);
DelayMs(100);
DelayMs(100);

status = PcdReset();
if(status != MI_OK)
{
      DelayMs(10);
      status = PcdReset();
}
if(status != MI_OK)
{
      DelayMs(10);
      status = PcdReset();
}
if(status == MI_OK)
{
      g_bRc1702Ok = 1;
   sond    = 0;             //蜂鸣器响一声，表示fm1702复位成功
   DelayMs(200);
   DelayMs(200);
sond    = 1;
}
}

/////////////////////////////////////////////////////////////////////
//用T2做延时子程序
/////////////////////////////////////////////////////////////////////
void DelayMs(unsigned int _MS)
{
RCAP2LH = RCAP2_1ms;
T2LH = RCAP2_1ms;

ET2    = 0;                                     // Disable timer2 interrupt
T2CON = 0x04;                                     // 16-bit auto-reload, clear TF2, start timer
TR2    = 1;
while (_MS--)
{ while (!TF2);TF2 = 0;  }
TR2 = 0;
}
void Delay_50us(unsigned char _50us)
{
RCAP2LH = RCAP2_50us;
T2LH = RCAP2_50us;

ET2    = 0;                                     // Disable timer2 interrupt
T2CON = 0x04;                                     // 16-bit auto-reload, clear TF2, start timer
while (_50us--)
{ while (!TF2);TF2 = 0;  }
TR2 = 0;
}

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