From 23c51690df762c524dd1d15941adba59a056fe54 Mon Sep 17 00:00:00 2001 From: andreaskoepke Date: Wed, 27 Aug 2008 10:41:03 +0000 Subject: [PATCH] shadow components to use with MultihopLQI --- .../eyesIFX/net/lqi/CC2420ActiveMessageC.nc | 61 +++++++++++++++ tos/platforms/eyesIFX/net/lqi/CC2420Packet.nc | 74 +++++++++++++++++++ 2 files changed, 135 insertions(+) create mode 100644 tos/platforms/eyesIFX/net/lqi/CC2420ActiveMessageC.nc create mode 100644 tos/platforms/eyesIFX/net/lqi/CC2420Packet.nc diff --git a/tos/platforms/eyesIFX/net/lqi/CC2420ActiveMessageC.nc b/tos/platforms/eyesIFX/net/lqi/CC2420ActiveMessageC.nc new file mode 100644 index 00000000..36940eba --- /dev/null +++ b/tos/platforms/eyesIFX/net/lqi/CC2420ActiveMessageC.nc @@ -0,0 +1,61 @@ +/* -*- 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 + */ + +#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); + } +} diff --git a/tos/platforms/eyesIFX/net/lqi/CC2420Packet.nc b/tos/platforms/eyesIFX/net/lqi/CC2420Packet.nc new file mode 100644 index 00000000..b18df717 --- /dev/null +++ b/tos/platforms/eyesIFX/net/lqi/CC2420Packet.nc @@ -0,0 +1,74 @@ +/* + * 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 + * @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 ); + +} -- 2.39.2