81 lines
3 KiB
C
81 lines
3 KiB
C
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/*
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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-arch.c,v 1.1 2007/05/15 07:42:22 adamdunkels Exp $
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*/
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/**
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* \file
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* Architecture (board) dependent code for energy estimation
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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 "sys/clock.h"
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#include "sys/rtimer.h"
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#define DEC2FIX(h,d) ((h << 6) + (unsigned long)(0.64 * d))
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/*#define DEC2FIX(h, d) (h << 8)*/
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/*---------------------------------------------------------------------------*/
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unsigned long
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energest_arch_current_estimate(void)
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{
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return
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energest_type_time(ENERGEST_TYPE_CPU) * DEC2FIX(1,1) +
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energest_type_time(ENERGEST_TYPE_LPM) * DEC2FIX(1,0) +
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energest_type_time(ENERGEST_TYPE_LED_GREEN) * DEC2FIX(6,36) +
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energest_type_time(ENERGEST_TYPE_LED_YELLOW) * DEC2FIX(3,46) +
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energest_type_time(ENERGEST_TYPE_LED_RED) * DEC2FIX(3,69) +
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energest_type_time(ENERGEST_TYPE_SENSORS) * DEC2FIX(3,76) +
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energest_type_time(ENERGEST_TYPE_TRANSMIT) * DEC2FIX(5,1) +
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energest_type_time(ENERGEST_TYPE_RECEIVE) * DEC2FIX(4,8);
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}
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/*---------------------------------------------------------------------------*/
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unsigned short
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energest_arch_now(void)
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{
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unsigned long time;
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#define ENERGEST_USE_CLOCK_TIME 0
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#if ENERGEST_USE_CLOCK_TIME
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time = clock_time();
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#else
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time = rtimer_arch_now();
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#endif
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return time;
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}
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/*---------------------------------------------------------------------------*/
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