136 lines
4.9 KiB
C
136 lines
4.9 KiB
C
/** \addtogroup sys
|
|
* @{ */
|
|
|
|
/**
|
|
* \defgroup compower Communication power accounting
|
|
* @{
|
|
*
|
|
* The compower module accumulates power consumption information and
|
|
* attributes it to communication activities. Examples of
|
|
* communication activities are packet transmission, packet reception,
|
|
* and idle listening.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2009, 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: compower.h,v 1.2 2009/03/12 21:58:21 adamdunkels Exp $
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Header file for the communication power accounting module
|
|
* \author
|
|
* Adam Dunkels <adam@sics.se>
|
|
*/
|
|
|
|
#ifndef __COMPOWER_H__
|
|
#define __COMPOWER_H__
|
|
|
|
/**
|
|
* \brief An activity record that contains power consumption information for a specific communication activity.
|
|
*
|
|
* This is a structure that holds power information about
|
|
* a communication activity. It is an opaque structure
|
|
* with no user-visible elements.
|
|
*/
|
|
struct compower_activity {
|
|
uint32_t listen, transmit;
|
|
};
|
|
|
|
/**
|
|
* \brief The default idle communication activity.
|
|
*
|
|
* This is the idle communication activity, to which all
|
|
* energy that is not possible to attribute to individual
|
|
* packets, is attributed. Examples include idle listening
|
|
* for incoming packets and MAC-level beacon
|
|
* transmissions.
|
|
*/
|
|
extern struct compower_activity compower_idle_activity;
|
|
|
|
/**
|
|
* \brief Initialize the communication power accounting module.
|
|
*
|
|
* This function initializes the communication power
|
|
* accounting module. The function is called by the system
|
|
* during boot-up.
|
|
*/
|
|
void compower_init(void);
|
|
|
|
/**
|
|
* \brief Accumulate power contumption for a communication activity
|
|
* \param a A pointer to an activity structure.
|
|
*
|
|
* This function accumulates power consumption information
|
|
* for a communication activity. The function typically is
|
|
* called by a power-saving MAC protocol when the radio is
|
|
* switched off, or when a packet is received or
|
|
* transmitted.
|
|
*
|
|
*/
|
|
void compower_accumulate(struct compower_activity *a);
|
|
|
|
/**
|
|
* \brief Clear power consumption information for a communication activity
|
|
* \param a A pointer to an activity structure.
|
|
*
|
|
* This function clears any power contumption information
|
|
* that has previously been accumulated in an activity
|
|
* structure.
|
|
*
|
|
*/
|
|
void compower_clear(struct compower_activity *a);
|
|
|
|
/**
|
|
* \brief Convert power contumption information to packet attributes
|
|
* \param a A pointer to an activity structure.
|
|
*
|
|
* This function converts accumulated power consumption
|
|
* information for a communication activity to packet
|
|
* attributes (see \ref packetbufattr "packet attributes").
|
|
*/
|
|
void compower_attrconv(struct compower_activity *a);
|
|
|
|
/**
|
|
* \brief Accumulate power contumption for a communication activity based on energy data in packet attributes
|
|
* \param a A pointer to an activity structure.
|
|
*
|
|
* This function accumulates power consumption information
|
|
* for a communication activity from packet attributes
|
|
* (see \ref packetbufattr "packet attributes").
|
|
*/
|
|
void compower_accumulate_attrs(struct compower_activity *a);
|
|
|
|
#endif /* __COMPOWER_H__ */
|
|
|
|
/** @} */
|
|
/** @} */
|