cpu_card.c

此程序为13.56MHz的RFID底层读写卡程序

#include "hardware.h"

extern uchar I_send1(uchar ch);
extern uchar I_receive1(uchar *ch);
extern uchar I_send4(uchar ch);
extern uchar I_receive4(uchar *ch);
extern void Reset1(void);
extern uchar  xdata  ComBuffer[MAXLEN];
extern void  W_DOG(void);
void Reset(char n)
{
    W_DOG();

   switch(n)
   {
    case 0x00:
     Reset1();
     break;
   default:
     Reset1();
  }
}

char cpucard_send(char sdata,char (*send_opti)(char))

{
  char sta;
  W_DOG();
  sta=(*send_opti)(sdata);
  return sta;
}

 char cpucard_rec(char *rebuf,char (*rec_opti)(char *))

{
  char sta;
  W_DOG();
  sta=(*rec_opti)(rebuf);
  return sta;
}

char select_sen_refunc()
 {
   char slot,baud,cardfun;
   W_DOG();
   slot=ComBuffer[3];
   baud=ComBuffer[4];
   if(slot==0x01&baud==0x01)  {cardfun=0; return   cardfun;}
   if(slot==0x01&baud==0x02)  {cardfun=1; return   cardfun;}
   if(slot==0x01&baud==0x03)  {cardfun=2; return   cardfun;}//2004.7.7
   else cardfun=1;            //default 3 slot ,9600pbs   2003.1.20
   return   cardfun;
}