void loop(){

  RawValue = analogRead(ANALOG4);  // add analog read
  Voltage = floatmap (RawValue, 0, 1024, 0, 3.3);  // convert to voltage
  Utils.float2String (Voltage, aux2, 7);
  sprintf(aux,"Volts: %s!!!%c%c", aux2, '\r', '\n');
  XBee.println (aux);
 
  paq_sent=(packetXBee*) calloc(1,sizeof(packetXBee));
  paq_sent->mode=UNICAST; // was BROADCAST
  paq_sent->MY_known=0;
  paq_sent->packetID=0x52;
  paq_sent->opt=0;
  xbeeDM.hops=0;
  xbeeDM.setOriginParams(paq_sent,MAC_TYPE);
  xbeeDM.setDestinationParams(paq_sent, direccion, aux, MAC_TYPE, DATA_ABSOLUTE);
  xbeeDM.sendXBee(paq_sent);
  free(paq_sent);
  paq_sent = NULL;
 
  delay(1000);
}

void getFrame() {
   char c;
   int j = 0;

   //Get frame char by char untill '\n'
   while (1)
   {
      read(sd,&c,1);
      if((c=='\0') || (c=='\r'))
      {
         //Strange chars will be modified
         aux[j]='_';
      }
      else
      {
         aux[j]=c;
         j++;
      }

      if((c=='\n') || (j==(MAX-1)))
      {
         aux[j]='\0';
    fprintf (stderr, "aux is: %s\n", aux);
         break;
      }
   }
}


/*
 * parseFrame function:
 *  - take the string that returns getFrame function
 *  - separate each values from each frame into diferents variables
 *  - example frame: [HEADER] -mac:0013a20040307f9c -x:27,y:23,z:1023 -temp:28 -bat:97%
 * THIS FUNTION MAY BE CHANGED BY THE USER
 */
void parseFrame(struct xbee_frame_test *p_frame) {
   
   int error = 0;
   char *aux2;
   aux2 = strstr(aux, "Volts: "); // was strpbrk
   if (aux2 == NULL) error = 1;
   fprintf (stderr, "error is %d, aux2 is %s\n", error, aux2);

 

   //Get voltage value
   if (!error){
        strncpy(p_frame->temp, aux2, 30); 
        p_frame->temp[17] = '\0';
   }

     
   if (error){
     fprintf(stderr, "ERROR - Unable to parse received frame: %s\n",aux);
     exit(-1);
   }
}