d76474bc13
is currently active, before returning the total time. Added energest_flush() that updates the total time for all currently active devices. It should be called periodically to avoid the time to overflow for devices that are active for long periods of time.
123 lines
4.4 KiB
C
123 lines
4.4 KiB
C
/*
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* Copyright (c) 2007, 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: energest.c,v 1.7 2008/06/02 13:12:07 nifi Exp $
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*/
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/**
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* \file
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* Implementation of the energy estimation module
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#include "lib/energest.h"
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#include "contiki-conf.h"
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#if ENERGEST_CONF_ON
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int energest_total_count;
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energest_t energest_total_time[ENERGEST_TYPE_MAX];
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unsigned short energest_current_time[ENERGEST_TYPE_MAX];
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#ifdef ENERGEST_CONF_LEVELDEVICE_LEVELS
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energest_t energest_leveldevice_current_leveltime[ENERGEST_CONF_LEVELDEVICE_LEVELS];
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#endif
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unsigned char energest_current_mode[ENERGEST_TYPE_MAX];
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/*---------------------------------------------------------------------------*/
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void
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energest_init(void)
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{
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int i;
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for(i = 0; i < ENERGEST_TYPE_MAX; ++i) {
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energest_total_time[i].current = energest_current_time[i] = 0;
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energest_current_mode[i] = 0;
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}
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#ifdef ENERGEST_CONF_LEVELDEVICE_LEVELS
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for(i = 0; i < ENERGEST_CONF_LEVELDEVICE_LEVELS; ++i) {
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energest_leveldevice_current_leveltime[i].current = 0;
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}
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#endif
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}
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/*---------------------------------------------------------------------------*/
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unsigned long
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energest_type_time(int type)
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{
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/* Note: does not support ENERGEST_CONF_LEVELDEVICE_LEVELS! */
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#ifndef ENERGEST_CONF_LEVELDEVICE_LEVELS
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if(energest_current_mode[type]) {
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rtimer_clock_t now = RTIMER_NOW();
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energest_total_time[type].current += (unsigned long)
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((signed short)now - (signed short)energest_current_time[type]);
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energest_current_time[type] = now;
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}
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#endif /* ENERGEST_CONF_LEVELDEVICE_LEVELS */
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return energest_total_time[type].current;
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}
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/*---------------------------------------------------------------------------*/
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unsigned long
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energest_leveldevice_leveltime(int powerlevel)
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{
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#ifdef ENERGEST_CONF_LEVELDEVICE_LEVELS
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return energest_leveldevice_current_leveltime[powerlevel].current;
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#else
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return 0;
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#endif
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}
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/*---------------------------------------------------------------------------*/
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void
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energest_type_set(int type, unsigned long val)
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{
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energest_total_time[type].current = val;
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}
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/*---------------------------------------------------------------------------*/
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/* Note: does not support ENERGEST_CONF_LEVELDEVICE_LEVELS! */
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void
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energest_flush(void)
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{
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rtimer_clock_t now;
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int i;
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for(i = 0; i < ENERGEST_TYPE_MAX; i++) {
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if(energest_current_mode[i]) {
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now = RTIMER_NOW();
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energest_total_time[i].current += (unsigned long)
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((signed short)now - (signed short)energest_current_time[i]);
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energest_current_time[i] = now;
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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#else /* ENERGEST_CONF_ON */
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void energest_type_set(int type, unsigned long val) {}
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void energest_init(void) {}
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unsigned long energest_type_time(int type) { return 0; }
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void energest_flush(void) {}
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#endif /* ENERGEST_CONF_ON */
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