tirfc.lst

安防产品源程序 包括液晶芯片, c51单片机,通讯等 程序

C51 COMPILER V3.20,  SN-50203013  TIRFC                                                    09/11/06  13:20:00  PAGE 1   


DOS C51 COMPILER V3.20, COMPILATION OF MODULE TIRFC
OBJECT MODULE PLACED IN TIRFC.OBJ
COMPILER INVOKED BY: F:\COMP51\BIN\C51.EXE TIRFC.C DB OE SMALL ROM(LARGE) 

stmt level    source

   1          #pragma RB(0)
   2          
   3          #include <reg52.h>
   4          #include <intrins.h>
   5          #include <pub.h>
   6          #if defined (TIRFCARD)
              
              #define uchar unsigned char
              #define uint unsigned int
              #define ulong unsigned long
              #define nop _nop_()
              #pragma ROM(LARGE)
              #pragma RB(5,SIZE)
              
              uchar RFCardID[14];
              
              bit check_code()
              {
                 uint crc_byte;
                 uchar byte1,byte2,k,j;
              
                 crc_byte=0;
                 for (k=0;k<8;k++)
                 {
                    for (j=0;j<8;j++)
                    {
                       byte1=(uchar)(crc_byte & 0x0001);
                       crc_byte >>=0x01;
                       if (byte1==1) crc_byte |=0x8000;
                       else crc_byte &=0x7fff;
              
                       byte2=(RFCardID[k+1]>>j) & 0x0001;
                       if (byte2==1)
                       {
                          crc_byte ^=0x8000;
                          byte2=(crc_byte>>15) & 0x0001;
                          if (byte2==1)crc_byte ^=0x0408;
                       }
                       else
                       {
                          byte2=(crc_byte >>15) & 0x0001;
                          if (byte2==1)crc_byte ^=0x0408;
                       }
                    }
                 }
                 if (RFCardID[9]==(uchar)crc_byte &&
                    RFCardID[10]==(uchar)(crc_byte>>8))
                    {
                       if (RFCardID[0]==0x7e)
                       {
                          if ((RFCardID[11]==0x7e) && (RFCardID[12]==0x0)
                             && (RFCardID[13]==0x0))
                             {return 0;}
                       }
                       else if (RFCardID[0]==0xfe)
C51 COMPILER V3.20,  SN-50203013  TIRFC                                                    09/11/06  13:20:00  PAGE 2   

                       {
                          if ((RFCardID[11]==0xfe) && (RFCardID[12]==RFCardID[1])
                             && (RFCardID[13]==RFCardID[2]))
                             {return 0;}
                       }
                       else;
                    }
                 return 1;
              }
              
              void delayRec(uchar th0,uchar tl0)
              {
                 TL0=tl0;TH0=th0;            /*延时2.05ms*/
                 TR0=0x1;
                 while(!TF0 ) TR0=1;
                 TF0=0;TR0=0x0;
              }
              
              /* 延时n个uS  */
              static void delayNus(uint nus) 
              {
                 TR0=0;/*先停止计数*/
                 nus = 0xffff- nus;
                 TF0=0; TL0=(uchar)nus; TH0=nus/0x100;
                 TR0=1;
                 while( !TF0 );
                 TF0=0;
              }
              
              bit rfTI()
              {
                 uchar i,j,k;
                 uchar byte;
                 txct=0x1;                   /*转换为空闲模式,此处大约为2us*/
                 scio=1;                     /*作为输入方式*/
                 delayRec(0xf0,0x00);        /* 0XF533=delay3ms */
                 
                 txct=0x0;		       /* typ.charge_time = 50ms */
                 delayRec(0x4c,0x10);        /* delay50ms 0x4c,0x10*/
                 txct=0x01;
              
                 
                 TL0=0x00;TH0=0xb8;          /*延时20ms*/
                 TR0=0x1;k=0;
                 while( (!TF0) && (k!=14) )
                    {
                    byte=0;
                    if (scio==1)
                       {
                       for (j=0;j<7;j++){nop;}             /*延时84us*/
                       for (i=0;i<8;i++)
                          {
                          if (scio==1){byte >>=1;byte &=0x7f;nop;}
                          else {byte >>=1;byte |=0x80;nop;nop;nop;}
                          for (j=0;j<3;j++){nop;nop;nop;}  /*延时64us*/
                          }
                       RFCardID[k]=byte;k++;
                       }
                    }
                 txct=1;
                 if (TF0==1) return 1; else;          /*时间超时*/
                 if (check_code()==1) return 1; else; /*CRC校验出错*/
C51 COMPILER V3.20,  SN-50203013  TIRFC                                                    09/11/06  13:20:00  PAGE 3   

                 return 0;                            /*接收码值完成*/
              }
              
              void initRfTI()
              {
                 txct=1;    
              }
              #endif


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =   ----    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)