htag.c

另外一个RC531非接触式读卡器的全部源代码

#include <stdio.h>
#include <unistd.h>
#include "rc531.h"

int hh_auth(int sector, char *passwd);

int main(void)
{
 int retv, sector, data;
 char passwd[4] = {0xff, 0xff, 0xff, 0xff};
 char cmdbuf[128];
 char cbuf[128];

 retv = pcd_reset(RESET_TYPEA);
 retv = pcd_open();
 if(retv){
     printf("Cannot open rc531!\n");
     return retv;
 }

 while(1){
     printf("-");
     fgets(cmdbuf, 128, stdin);
     if(cmdbuf[0]=='q')
         break;

     switch(cmdbuf[0]){
     case 'r':
         retv = reqa(REQA, &data);
         mferror(retv);
         if(retv){
             printf("No card.\n");
         }else{
             printf("Card return ATQA: %04x\n", data);
         }
         break;
     case 'l':
         sscanf(cmdbuf+1, "%x", (int*)&passwd);
         retv = hh_auth(8, passwd);
         mferror(retv);
         break;
     case 'e':
         sector = 0;
         sscanf(cmdbuf+1, "%x", &sector);
         retv = mfread(sector, cbuf);
         mferror(retv);
         if(retv){
             printf("read error!\n");
         }else{
             int i;
             printf("read OK!\n");
             printf("return data: ");
             for(i=0; i<4; i++){
                 printf("%02x ", cbuf[i]);
             }
             printf("\n");
         }
         break;
     case 'p':
         sector = 0;
         data = 0x11111111;
         sscanf(cmdbuf+1, "%x %x", &sector, &data);
         *(int*)&cbuf[0] = data;
         retv = mfwrite(sector, cbuf);
         mferror(retv);
         break;
     case 'h':
         halta();
         break;
     case 'w':
         retv = reqa(WAKEUPA, &data);
         mferror(retv);
         if(retv){
             printf("No card.\n");
         }else{
             printf("Card return ATQA: %04x\n", data);
         }
         break;
     default:
     }
 };

 pcd_close();
 return 0;
}