/******************************************************************************
*
*  (c) Copyright 1998, University of Karlstad.
*
*  This program is free software; you can redistribute it and/or modify it
*  under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 1, or (at your option)
*  any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program; if not, write to the Free Software
*  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*  Please report any bugs you find in this code or any improvements to:
*
*  Hans Hedbom, Dept. of Computer Science,
*  University of Karlstad, Sweden.
*
*  Phone: +46 54 838157
*  E-mail: Hans.Hedbom@hks.se
* 
*  ============================================================================
*
*  FILE:
*
*  physlayer.h [ the Data Communication I course programming project ]
*
*  AUTHORS:
*
*  Jonny Wiederholm
*  E-mail: fr7wied@cse.hks.se or
*          jonnwied@hks.se
*
*  Per-Ola Gustafsson
*  E-mail: fr7gust@cse.hks.se
*
*  CREATION DATE:
*
*  Jan, 08, 1998
*
*  DESCRIPTION:
*
*  Includes constants used in the implementation of the Physical Layer, which
*  is part of the example implementation of the Data Communication I course
*  programming project.
*
*  MODIFICATIONS:   Date    Changes
*  ----------------------------------------------------------------------------
*
*/

#ifndef _PHYSLAYER_H    /* Avoid multiple copies of this file. */
#define _PHYSLAYER_H

#ifdef __cplusplus      /* Make this file possible to use in C++ code. */
extern "C" {
#endif

/******************************************************************************
*  INCLUDE FILES
*/

#include "systems.h"

/******************************************************************************
*  DEFINE CONSTANTS
*/

/* Byte length. */
#define BYTE_LEN  1

/*
   Primitives (signals) not visible to the service user. The service user will
   only be able to access these primitives via function calls.
   */
#define F_CONNECT_REQUEST       100
#define F_CONNECT_RESPONSE      104
#define F_DISCONNECT_REQUEST    108
#define F_DISCONNECT_RESPONSE   112
#define F_DATA_REQUEST          116
#define F_ABORT_REQUEST         188

/******************************************************************************
*  END
*/

#ifdef __cplusplus
}
#endif

#endif                  /* _PHYSLAYER_H */