Contiki-NG
compower.c
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1 /*
2  * Copyright (c) 2009, Swedish Institute of Computer Science.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the Institute nor the names of its contributors
14  * may be used to endorse or promote products derived from this software
15  * without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * This file is part of the Contiki operating system.
30  *
31  */
32 
33 /**
34  * \file
35  * Communication power accounting module
36  * \author
37  * Adam Dunkels <adam@sics.se>
38  */
39 
40 /**
41  * \addtogroup compower
42  * @{
43  */
44 
45 #include "contiki.h"
46 #include "sys/energest.h"
47 #include "sys/compower.h"
48 #include "net/packetbuf.h"
49 
51 
52 /*---------------------------------------------------------------------------*/
53 void
55 {
57 }
58 /*---------------------------------------------------------------------------*/
59 void
61 {
62  static uint64_t last_listen, last_transmit;
63  uint64_t listen, transmit;
64 
65  energest_flush();
66 
67  listen = energest_type_time(ENERGEST_TYPE_LISTEN);
68  e->listen += listen - last_listen;
69  last_listen = listen;
70 
71  transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT);
72  e->transmit += transmit - last_transmit;
73  last_transmit = transmit;
74 }
75 /*---------------------------------------------------------------------------*/
76 void
78 {
79  e->listen = e->transmit = 0;
80 }
81 /*---------------------------------------------------------------------------*/
82 /** @} */
struct compower_activity compower_idle_activity
The default idle communication activity.
Definition: compower.c:50
An activity record that contains power consumption information for a specific communication activity...
Definition: compower.h:64
void compower_clear(struct compower_activity *e)
Clear power consumption information for a communication activity.
Definition: compower.c:77
Header file for the energy estimation mechanism
void compower_accumulate(struct compower_activity *e)
Accumulate power contumption for a communication activity.
Definition: compower.c:60
Header file for the Packet buffer (packetbuf) management
void compower_init(void)
Initialize the communication power accounting module.
Definition: compower.c:54
Header file for the communication power accounting module