ieee154packet.h

tinyos-2.x.rar

/*
 * "Copyright (c) 2008 The Regents of the University  of California.
 * All rights reserved."
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose, without fee, and without written agreement is
 * hereby granted, provided that the above copyright notice, the following
 * two paragraphs and the author appear in all copies of this software.
 *
 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
 * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
 * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
 *
 */
#ifndef _IEEE154_H_
#define _IEEE154_H_

typedef struct IEEE154_header {
  uint8_t length;
  uint16_t fcf;
  uint8_t dsn;
  uint16_t destpan;
  uint16_t dest;
  uint16_t src;
} __attribute__((packed)) IEEE154_header_t;

typedef struct serial_header {
  uint16_t dest;
  uint16_t src;
  uint8_t length;
  uint8_t group;
  uint8_t type;
} __attribute__((packed)) serial_header_t;

enum {
  // size of the header not including the length byte
  MAC_HEADER_SIZE = sizeof( IEEE154_header_t ) - 1,
  // size of the footer (FCS field)
  MAC_FOOTER_SIZE = sizeof( uint16_t ),
};

#endif