[Tinyos-2-commits] CVS: tinyos-2.x/tos/platforms/eyesIFX/net/lqi CC2420Packet.nc, NONE, 1.1 CC2420ActiveMessageC.nc, NONE, 1.1

[akoepke]

Update of /cvsroot/tinyos/tinyos-2.x/tos/platforms/eyesIFX/net/lqi
In directory sc8-pr-cvs10.sourceforge.net:/tmp/cvs-serv6235

Added Files:
	CC2420Packet.nc CC2420ActiveMessageC.nc 
Log Message:
 shadow components to use with MultihopLQI


--- NEW FILE: CC2420Packet.nc ---
/*
 * Copyright (c) 2005-2006 Arch Rock Corporation
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the
 *   distribution.
 * - Neither the name of the Arch Rock Corporation nor the names of
 *   its contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
 * ARCHED ROCK OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE
 */

/**
 * @author Jonathan Hui <jhui at archrock.com>
 * @author David Moss
 * @author Chad Metcalf
 */

#include "message.h"

interface CC2420Packet {
  
  /**
   * Get transmission power setting for current packet.
   *
   * @param the message
   */
  async command uint8_t getPower( message_t* p_msg );

  /**
   * Set transmission power for a given packet. Valid ranges are
   * between 0 and 31.
   *
   * @param p_msg the message.
   * @param power transmission power.
   */
  async command void setPower( message_t* p_msg, uint8_t power );
  
  /**
   * Get rssi value for a given packet. For received packets, it is
   * the received signal strength when receiving that packet. For sent
   * packets, it is the received signal strength of the ack if an ack
   * was received.
   */
  async command int8_t getRssi( message_t* p_msg );

  /**
   * Get lqi value for a given packet. For received packets, it is the
   * link quality indicator value when receiving that packet. For sent
   * packets, it is the link quality indicator value of the ack if an
   * ack was received.
   */
  async command uint8_t getLqi( message_t* p_msg );
  
}

--- NEW FILE: CC2420ActiveMessageC.nc ---
/* -*- mode:c++; indent-tabs-mode:nil -*- 
 * Copyright (c) 2008, Technische Universitaet Berlin
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met:
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright 
 *   notice, this list of conditions and the following disclaimer in the 
 *   documentation and/or other materials provided with the distribution.
 * - Neither the name of the Technische Universitaet Berlin nor the names 
 *   of its contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * Pseudo module to enable MultihopLqi on eyesIFX. The mapping of
 * strength to LQI is based on the packet delivery ratio.  For CC2420
 * the ratios were taken from: Kannan Srinivasan and Philip Levis:
 * "RSSI is Under Appreciated" Third Workshop on Embedded Networked
 * Sensors, EmNets 2006.
 * 
 * @author Andreas Köpke <koepke at tkn.tu-berlin.de>
 */

#include "radiopacketfunctions.h"

module CC2420ActiveMessageC {
    provides {
        interface CC2420Packet;
    }
}
implementation {
    async command uint8_t CC2420Packet.getPower(message_t* p_msg ) {
        return 31;
    }
    async command void CC2420Packet.setPower(message_t* p_msg, uint8_t power) {
    }
    async command int8_t CC2420Packet.getRssi(message_t* p_msg ) {
        return (getMetadata(p_msg))->strength;
    }
    async command uint8_t CC2420Packet.getLqi( message_t* p_msg ) {
        uint32_t s = (getMetadata(p_msg))->strength;
        if(s > 60) s = 10;
        return (s*13/5 + 48);
    }
}