Waspmote Repeater 868

#include <WaspXBee868.h>

packetXBee* packet;
char* MAC_ADDRESS1="0013A200408B79DD";
void setup()
{
  // Init USB port
  USB.ON();
  USB.println(F("868_03 example"));

  // Powers XBee
  xbee868.ON();
}


void loop()
{
  // Check available data in RX buffer
  if( xbee868.available() > 0 )
  {
    // Treat available bytes in order to parse the information as XBee packets
    xbee868.treatData();

    // Check RX flag after 'treatData'
    if( !xbee868.error_RX )
    {
      // Read available packets
      while( xbee868.pos>0 )
      {

        // 2.1. Send response
          packet=(packetXBee*) calloc(1,sizeof(packetXBee));
          packet->mode=UNICAST;

          char * pointer = xbee868.packet_finished[xbee868.pos-1]->data;
          uint16_t length = xbee868.packet_finished[xbee868.pos-1]->data_length;
        // Available information in 'xbee868.packet_finished' structure
        // HERE it should be introduced the User's packet treatment
        // For example: show DATA field:
        USB.print(F("Data: "));
        for(int i=0;i<length;i++)
        {
          USB.print(pointer[i],BYTE);
        }
        USB.println("");
        delay(3000);
        USB.println("SENDING:");

         xbee868.setDestinationParams( packet, MAC_ADDRESS1, pointer, length);

          // 2.3. send packet
          xbee868.sendXBee(packet);

          USB.print(F("New packet received and forwarded "));

          // 2.4. Check TX flag
          if( xbee868.error_TX == 0)
          {
            USB.println(F("ok"));
            Utils.blinkLEDs(1500);
          }
          else
          {
            USB.print(F("error:"));
            USB.println(xbee868.error_TX);
          }

        free(packet);
        packet=NULL;
        // Once a packet has been read it is necessary to
        // free the allocated memory for this packet
        // free memory
        free(xbee868.packet_finished[xbee868.pos-1]);

        // free pointer
        xbee868.packet_finished[xbee868.pos-1]=NULL;

        // decrement the received packet counter
        xbee868.pos--;


      }
    }
  }
}