81 lines
3.1 KiB
C
81 lines
3.1 KiB
C
/*
|
|
* 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 1.4 2007/12/17 18:47:17 nvt-se 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 * 64) + (unsigned long)(0.64 * d))
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
unsigned long
|
|
energest_arch_current_estimate(void)
|
|
{
|
|
return 3 * /* The voltage is 3 V */ /* The DEC2FIX() stuff is
|
|
the current */
|
|
(energest_type_time(ENERGEST_TYPE_CPU) * DEC2FIX(18,0) +
|
|
energest_type_time(ENERGEST_TYPE_LPM) * DEC2FIX(0,545) +
|
|
energest_type_time(ENERGEST_TYPE_LED_GREEN) * DEC2FIX(46,0) + /* Not measured */
|
|
energest_type_time(ENERGEST_TYPE_LED_YELLOW) * DEC2FIX(46,0) + /* Not measured */
|
|
energest_type_time(ENERGEST_TYPE_LED_RED) * DEC2FIX(46,0) +
|
|
energest_type_time(ENERGEST_TYPE_SENSORS) * DEC2FIX(60,0) + /* Not measured */
|
|
energest_type_time(ENERGEST_TYPE_TRANSMIT) * DEC2FIX(177,0) +
|
|
energest_type_time(ENERGEST_TYPE_LISTEN) * DEC2FIX(200,0)) / 10;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
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;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|