// RFID llegit de test
//char rfid[13]="13004C8ED302";
char rfid[13]="";


boolean rfid_read()
{

  byte i = 0;
  byte val = 0;
  byte bytesread = 0;

  boolean checking = false;

  if(Serial.available() > 0) {
    if((val = Serial.read()) == 2) {                  // check for header 
      bytesread = 0; 
      while (bytesread < 12) {                        // read 10 digit code + 2 digit checksum
        if( Serial.available() > 0) { 
          val = Serial.read();
          if((val == 0x0D)||(val == 0x0A)||(val == 0x03)||(val == 0x02)) { // if header or stop bytes before the 10 digit reading 
            break;                                    // stop reading
          }

          rfid[bytesread] = val;

          bytesread++;                                // ready to read next digit
        } 
      } 

      // Output to Serial:

      if (bytesread == 12) {                          // if 12 digit read is complete
        Serial.println();
        Serial.println(rfid); 
        checking = true;   
        bytesread = 0;
      }
    }
  }
 
  return(checking);

}