开通博客赚积分
发布资源赚积分
分类

源码开发语言/平台
当前位置：首页 > 源码/资料 > 通讯/手机编程 > RFID编程 > 查看源码
PcdValue.c
资源名称：RC500.rar　[点击查看]
上传用户：hbtfgg
上传日期：2021-12-10
资源大小：16k
文件大小：3k
源码类别：

RFID编程

开发平台：

C/C++

PcdValue.c：源码内容
  1. #include<reg52.h>
  2. #include<rc500.h>
  4. char PcdValue(uchar dd_mode,uchar addr,uchar *value)
  5. {
  6.     char status;
  7.     uchar i;
  8.     idata struct TranSciveBuffer{uchar MfCommand;
  9.                                  uchar MfLength;
  10.                                  uchar MfData[4];
  11.                                 }MfComData;
  12.     struct TranSciveBuffer *pi;
  13.     pi=&MfComData;
  15.     PcdSetTmo(106);
  16.     MfComData.MfCommand=PCD_TRANSCEIVE;
  17.     MfComData.MfLength=2;
  18.     MfComData.MfData[0]=dd_mode;
  19.     MfComData.MfData[1]=addr;
  21.     status=PcdComTransceive(pi);
  22.     if(status!=MI_NOTAGERR)
  23.     {
  24.         if(MfComData.MfLength!=4)
  25.         {
  26.            status=MI_BITCOUNTERR;
  27.         }
  28.         else
  29.         {
  30.            MfComData.MfData[0]&=0x0f;
  31.            switch(MfComData.MfData[0])
  32.            {
  33.               case 0x00:
  34.                  status=MI_NOTAUTHERR;
  35.                  break;
  36.               case 0x0a:
  37.                  status=MI_OK;
  38.                  break;
  39.               case 0x01:
  40.                  status=MI_VALERR;
  41.                  break;
  42.               default:
  43.                  status=MI_CODEERR;
  44.                  break;
  45.            }
  46.         }
  47.      }
  48.      if(status==MI_OK)
  49.      {
  50.         PcdSetTmo(4);
  51.         MfComData.MfCommand=PCD_TRANSCEIVE;
  52.         MfComData.MfLength=4;
  53.         pi=&MfComData;
  54.         for(i=0;i<4;i++)
  55.         {
  56.             MfComData.MfData[i]=*(value+i);
  57.         }
  58.         status=PcdComTransceive(pi);
  59.         if(status==MI_OK||status==MI_NOTAGERR)
  60.         {
  61.            if(MfComData.MfLength!=4)
  62.            {
  63.               status = MI_BITCOUNTERR;
  64.            }
  65.            else
  66.            {
  67.               status=MI_OK;
  68.             }
  69.          }
  70.          else
  71.          {
  72.               status=MI_COM_ERR;
  73.           }
  74.      }
  75.      if(status==MI_OK)
  76.      {
  77.         MfComData.MfCommand=PCD_TRANSCEIVE;
  78.         MfComData.MfLength=2;
  79.         MfComData.MfData[0]=PICC_TRANSFER;
  80.         MfComData.MfData[1]=addr;
  81.         status=PcdComTransceive(pi);
  82.         if(status!=MI_NOTAGERR)
  83.         {
  84.             if(MfComData.MfLength!=4)
  85.             {
  86.                status=MI_BITCOUNTERR;
  87.             }
  88.             else
  89.             {
  90.                MfComData.MfData[0]&=0x0f;
  91.                switch(MfComData.MfData[0])
  92.                {
  93.                   case 0x00:
  94.                      status=MI_NOTAUTHERR;
  95.                      break;
  96.                   case 0x0a:
  97.                      status=MI_OK;
  98.                      break;
  99.                   case 0x01:
  100.                      status=MI_VALERR;
  101.                      break;
  102.                   default:
  103.                      status=MI_CODEERR;
  104.                      break;
  105.                }
  106.             }
  107.         }
  108.      }
  109.    return status;
  110. }