contiki/platform/esb/energest-arch.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.
*
* $Id: energest-arch.c,v 1.2 2007/10/25 09:30:39 adamdunkels Exp $
*/
/**
* \file
* Architecture (board) dependent code for energy estimation
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "lib/energest.h"
#include "sys/clock.h"
#include "sys/rtimer.h"
#define DEC2FIX(h,d) ((h << 6) + (unsigned long)(0.64 * d))
/*#define DEC2FIX(h, d) (h << 8)*/
/*---------------------------------------------------------------------------*/
unsigned long
energest_arch_current_estimate(void)
{
return
energest_type_time(ENERGEST_TYPE_CPU) * DEC2FIX(1,1) +
energest_type_time(ENERGEST_TYPE_LPM) * DEC2FIX(1,0) +
energest_type_time(ENERGEST_TYPE_LED_GREEN) * DEC2FIX(6,36) +
energest_type_time(ENERGEST_TYPE_LED_YELLOW) * DEC2FIX(3,46) +
energest_type_time(ENERGEST_TYPE_LED_RED) * DEC2FIX(3,69) +
energest_type_time(ENERGEST_TYPE_SENSORS) * DEC2FIX(3,76) +
energest_type_time(ENERGEST_TYPE_TRANSMIT) * DEC2FIX(5,1) +
energest_type_time(ENERGEST_TYPE_LISTEN) * DEC2FIX(4,8);
}
/*---------------------------------------------------------------------------*/
unsigned short
energest_arch_now(void)
{
unsigned long time;
#define ENERGEST_USE_CLOCK_TIME 0
#if ENERGEST_USE_CLOCK_TIME
time = clock_time();
#else
time = rtimer_arch_now();
#endif
return time;
}
/*---------------------------------------------------------------------------*/