opportunistic-xbee/xbee_wrapper.h

#ifndef _WBEE_WRAPPER_H_
	#define _WBEE_WRAPPER_H_

	#include <Wire.h>
	#include <XBee.h>
	#include "protocol.h"
	#include "packet.h"

	#define XBWRECV_OK    0
	#define XBWRECV_NONE  1
	#define XBWRECV_ERROR 2

	#define XBWSEND_OK      0
	#define XBWSEND_ERROR   1
	#define XBWSEND_UNKNOWN 2
  #define XBWSEND_NONEAREST 3

  #define RX_NONE_RESPONSE 0

	class XBeeWrapper{
		private:
			XBee xbee;
      Node node;

      uint8_t rssi = 255;
      uint8_t addrType = RX_NONE_RESPONSE;
      uint64_t msb = 0;
      uint64_t lsb = 0;

		public:
			XBeeWrapper(Node &node);

			// initialises the XBee interface
			void begin(const unsigned long baud);

			// tries to extract a received packet
			uint8_t receive(Packet& pkt);

			// tries to broadcast a packet
			uint8_t broadcast(Packet& pkt);

      // tries to send to the nearest node (of a lower level)
      uint32_t sendToNearest(Packet& pkt);

	};



#endif