res = sscanf(Cmd, "%012"llx" %012"llx" %012"llx"", &c.arg[0], &c.arg[1], &c.arg[2]);
if (res == 2) c.arg[2]=0;
- if (res < 2)
+ if (res < 2) {
PrintAndLog("Please specify the data as two hex strings, optionally the CRC as a third");
- else
- clearCommandBuffer();
- SendCommand(&c);
+ return 1;
+ }
+ clearCommandBuffer();
+ SendCommand(&c);
return 0;
}