106 lines
4 KiB
C
106 lines
4 KiB
C
/*
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* Copyright (c) 2010, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: collect-view.c,v 1.4 2010/10/24 21:03:52 adamdunkels Exp $
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*/
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/**
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* \file
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* Collect view client code
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#include "contiki.h"
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#include "net/rime/collect-neighbor.h"
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#include "net/rime.h"
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#include "net/rime/timesynch.h"
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#include "collect-view.h"
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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void
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collect_view_construct_message(struct collect_view_data_msg *msg,
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const rimeaddr_t *parent,
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uint16_t parent_etx,
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uint16_t current_rtmetric,
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uint16_t num_neighbors,
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uint16_t beacon_interval)
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{
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static unsigned long last_cpu, last_lpm, last_transmit, last_listen;
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unsigned long cpu, lpm, transmit, listen;
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msg->len = sizeof(struct collect_view_data_msg) / sizeof(uint16_t);
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msg->clock = clock_time();
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#if TIMESYNCH_CONF_ENABLED
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msg->timesynch_time = timesynch_time();
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#else /* TIMESYNCH_CONF_ENABLED */
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msg->timesynch_time = 0;
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#endif /* TIMESYNCH_CONF_ENABLED */
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energest_flush();
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cpu = energest_type_time(ENERGEST_TYPE_CPU) - last_cpu;
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lpm = energest_type_time(ENERGEST_TYPE_LPM) - last_lpm;
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transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT) - last_transmit;
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listen = energest_type_time(ENERGEST_TYPE_LISTEN) - last_listen;
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/* Make sure that the values are within 16 bits. If they are larger,
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we scale them down to fit into 16 bits. */
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while(cpu >= 65536ul || lpm >= 65536ul ||
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transmit >= 65536ul || listen >= 65536ul) {
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cpu /= 2;
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lpm /= 2;
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transmit /= 2;
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listen /= 2;
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}
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msg->cpu = cpu;
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msg->lpm = lpm;
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msg->transmit = transmit;
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msg->listen = listen;
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last_cpu = energest_type_time(ENERGEST_TYPE_CPU);
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last_lpm = energest_type_time(ENERGEST_TYPE_LPM);
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last_transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT);
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last_listen = energest_type_time(ENERGEST_TYPE_LISTEN);
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memcpy(&msg->parent, &parent->u8[RIMEADDR_SIZE - 2], 2);
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msg->parent_etx = parent_etx;
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msg->current_rtmetric = current_rtmetric;
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msg->num_neighbors = num_neighbors;
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msg->beacon_interval = beacon_interval;
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memset(msg->sensors, 0, sizeof(msg->sensors));
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collect_view_arch_read_sensors(msg);
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}
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/*---------------------------------------------------------------------------*/
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