contiki/core/sys/energest.c

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/*
* Copyright (c) 2007, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
*
* This file is part of the Contiki operating system.
*
*/
/**
* \file
* Implementation of the energy estimation module
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* \author
* Adam Dunkels <adam@sics.se>
*/
#include "sys/energest.h"
#include "contiki-conf.h"
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#if ENERGEST_CONF_ON
int energest_total_count;
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energest_t energest_total_time[ENERGEST_TYPE_MAX];
rtimer_clock_t energest_current_time[ENERGEST_TYPE_MAX];
#ifdef ENERGEST_CONF_LEVELDEVICE_LEVELS
energest_t energest_leveldevice_current_leveltime[ENERGEST_CONF_LEVELDEVICE_LEVELS];
#endif
unsigned char energest_current_mode[ENERGEST_TYPE_MAX];
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/*---------------------------------------------------------------------------*/
void
energest_init(void)
{
int i;
for(i = 0; i < ENERGEST_TYPE_MAX; ++i) {
energest_total_time[i].current = energest_current_time[i] = 0;
energest_current_mode[i] = 0;
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}
#ifdef ENERGEST_CONF_LEVELDEVICE_LEVELS
for(i = 0; i < ENERGEST_CONF_LEVELDEVICE_LEVELS; ++i) {
energest_leveldevice_current_leveltime[i].current = 0;
}
#endif
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}
/*---------------------------------------------------------------------------*/
unsigned long
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energest_type_time(int type)
{
/* Note: does not support ENERGEST_CONF_LEVELDEVICE_LEVELS! */
#ifndef ENERGEST_CONF_LEVELDEVICE_LEVELS
if(energest_current_mode[type]) {
rtimer_clock_t now = RTIMER_NOW();
energest_total_time[type].current += (rtimer_clock_t)
(now - energest_current_time[type]);
energest_current_time[type] = now;
}
#endif /* ENERGEST_CONF_LEVELDEVICE_LEVELS */
return energest_total_time[type].current;
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}
/*---------------------------------------------------------------------------*/
unsigned long
energest_leveldevice_leveltime(int powerlevel)
{
#ifdef ENERGEST_CONF_LEVELDEVICE_LEVELS
return energest_leveldevice_current_leveltime[powerlevel].current;
#else
return 0;
#endif
}
/*---------------------------------------------------------------------------*/
void
energest_type_set(int type, unsigned long val)
{
energest_total_time[type].current = val;
}
/*---------------------------------------------------------------------------*/
/* Note: does not support ENERGEST_CONF_LEVELDEVICE_LEVELS! */
void
energest_flush(void)
{
rtimer_clock_t now;
int i;
for(i = 0; i < ENERGEST_TYPE_MAX; i++) {
if(energest_current_mode[i]) {
now = RTIMER_NOW();
energest_total_time[i].current += (rtimer_clock_t)
(now - energest_current_time[i]);
energest_current_time[i] = now;
}
}
}
/*---------------------------------------------------------------------------*/
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#else /* ENERGEST_CONF_ON */
void energest_type_set(int type, unsigned long val) {}
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void energest_init(void) {}
unsigned long energest_type_time(int type) { return 0; }
void energest_flush(void) {}
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#endif /* ENERGEST_CONF_ON */