multihop.h

传感器网络中的嵌入式操作系统源代码

// $Id: MultiHop.h,v 1.6.4.4 2003/08/26 09:08:14 cssharp Exp $

/*									tab:4
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 * Copyright (c) 2002-2003 Intel Corporation
 * All rights reserved.
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/*
 *
 * Authors:		Philip Buonadonna
 * Date last modified:  2/20/03
 *
 */

/**
 * @author Philip Buonadonna
 */


#ifndef _TOS_MULTIHOP_H
#define _TOS_MULTIHOP_H

#include "AM.h"
enum {
  AM_MULTIHOPMSG = 250
};

/* Fields of neighbor table */
typedef struct TOS_MHopNeighbor {
  uint16_t addr;                     // state provided by nbr
  uint16_t recv_count;               // since last goodness update
  uint16_t fail_count;               // since last goodness, adjusted by TOs
  int16_t last_seqno;
  uint8_t goodness;
  uint8_t hopcount;
  uint8_t timeouts;		     // since last recv
} TOS_MHopNeighbor;
  
typedef struct MultihopMsg {
  uint16_t sourceaddr;
  uint16_t originaddr;
  int16_t seqno;
  uint8_t hopcount;
  uint8_t data[(TOSH_DATA_LENGTH - 7)]; 
} __attribute__ ((packed)) TOS_MHopMsg;


#endif /* _TOS_MULTIHOP_H */