Contiki energy estimation demo for ACM SenSys 2007
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adamdunkels
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359
examples/energest-demo/energest-demo.c
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359
examples/energest-demo/energest-demo.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-demo.c,v 1.1 2007/10/25 12:56:28 adamdunkels Exp $
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*/
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/**
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* \file
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* Contiki application sending estimated energy to a sink node
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* \author
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* Zhitao He <zhitao@sics.se>
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*/
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#include "contiki.h"
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#include "net/rime.h"
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#include "net/mac/mac.h"
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#include "net/mac/nullmac.h"
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#include "dev/button-sensor.h"
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#include "dev/simple-cc2420.h"
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#include "dev/leds.h"
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#include "node-id.h"
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#include <stdio.h>
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#define SINK_ID 41
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/*---------------------------------------------------------------------------*/
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PROCESS(output_process, "output energest");
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PROCESS(user_process, "user input");
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AUTOSTART_PROCESSES(
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&output_process,
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&user_process
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);
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/*---------------------------------------------------------------------------*/
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static struct abc_conn abc;
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static u16_t read = 0;
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static u16_t send = 0;
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int lpm_en;
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static int radio_off;
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static int computing;
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static int sending;
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enum states{
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RADIO_OFF = 1,
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RADIO_LOW,
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RADIO_MID,
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RADIO_FULL,
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LPM_OFF,
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SENDING1k,
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SENDING12k,
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};
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struct energy_time {
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unsigned short source;
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long cpu;
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long lpm;
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long transmit;
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long listen;
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};
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static struct energy_time last;
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static struct energy_time diff;
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// FIXME: workaround to turn on/off radio. Rime should export an MAC on/off interface to avoid forcing the user to do this explicitly
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static struct mac_driver *mac = &nullmac_driver;
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static clock_time_t sleep_cycles;
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static const char send_string[] = "I am a sending string.";
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static int send_length = 10;
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static int send_amount = 10;
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/*---------------------------------------------------------------------------*/
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static void
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abc_recv(struct abc_conn *c)
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{
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struct energy_time *incoming= (struct energy_time *)rimebuf_dataptr();
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read++;
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if(node_id == SINK_ID) {
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printf("%i SICS %i %u %li %li %li %li\n", node_id, read,
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incoming->source, incoming->cpu, incoming->lpm,
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incoming->transmit, incoming->listen);
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}
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}
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/*---------------------------------------------------------------------------*/
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const static struct abc_callbacks abc_call = {abc_recv};
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/*---------------------------------------------------------------------------*/
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static void
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do_computing(void)
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{
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int i;
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for(i = 0; i < 100; i++) {
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clock_delay(1000);
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}
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}
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/*---------------------------------------------------------------------------*/
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static void
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do_sending(void)
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{
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int i;
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simple_cc2420_set_chan_pan_addr(11, 0x2024, node_id, NULL);
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simple_cc2420_set_txpower(1);
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for(i = 0;i < send_amount; i++) {
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rimebuf_copyfrom(send_string, send_length);
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mac->on();
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abc_send(&abc);
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mac->off();
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}
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simple_cc2420_set_txpower(31);
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simple_cc2420_set_chan_pan_addr(RF_CHANNEL, 0x2024, node_id, NULL);
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(output_process, ev, data)
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{
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static struct etimer et, et2;
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PROCESS_EXITHANDLER(abc_close(&abc);)
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PROCESS_BEGIN();
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etimer_set(&et, 5*CLOCK_SECOND);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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/* Energy time init */
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energest_init();
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last.cpu = energest_type_time(ENERGEST_TYPE_CPU);
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last.lpm = energest_type_time(ENERGEST_TYPE_LPM);
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last.transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT);
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last.listen = energest_type_time(ENERGEST_TYPE_LISTEN);
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abc_open(&abc, 128, &abc_call);
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if (node_id == SINK_ID) {
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while(1) {
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PROCESS_YIELD();
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printf("I'm a sink. I'm doing nothing...");
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}
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}
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etimer_set(&et, UPDATE_TICKS);
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while(1) {
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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if(computing) {
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do_computing();
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}
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/* stop-start ongoing time measurements to retrieve the diffs
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during last interval */
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ENERGEST_OFF(ENERGEST_TYPE_CPU);
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ENERGEST_ON(ENERGEST_TYPE_CPU);
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mac->on();
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mac->off();
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/* Energy time diff */
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diff.source = node_id;
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diff.cpu = energest_type_time(ENERGEST_TYPE_CPU) - last.cpu;
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diff.lpm = energest_type_time(ENERGEST_TYPE_LPM) - last.lpm;
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diff.transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT) - last.transmit;
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diff.listen = energest_type_time(ENERGEST_TYPE_LISTEN) - last.listen;
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last.cpu = energest_type_time(ENERGEST_TYPE_CPU);
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last.lpm = energest_type_time(ENERGEST_TYPE_LPM);
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last.transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT);
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last.listen = energest_type_time(ENERGEST_TYPE_LISTEN);
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send++;
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/* printf("%i SICS %i %i %li %li %li %li\n", node_id, send, */
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/* diff.source, diff.cpu, diff.lpm, diff.transmit, diff.listen); */
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rimebuf_copyfrom((char*)&diff, sizeof(diff));
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mac->on();
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abc_send(&abc);
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if(sending) {
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mac->off();
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do_sending();
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} else if(radio_off) {
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mac->off();
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} else {
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mac->off();
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etimer_set(&et2, sleep_cycles);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et2));
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mac->on();
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}
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etimer_reset(&et);
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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static enum states
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next_state(enum states current_state)
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{
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return current_state == 7 ? current_state = 1 : current_state + 1;
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}
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/*---------------------------------------------------------------------------*/
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static void
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show_state(enum states current_state)
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{
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printf("state = %d\n", current_state);
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switch(current_state) {
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case 1:
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leds_off(LEDS_BLUE);leds_off(LEDS_GREEN);leds_on(LEDS_RED);
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break;
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case 2:
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leds_off(LEDS_BLUE);leds_on(LEDS_GREEN);leds_off(LEDS_RED);
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break;
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case 3:
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leds_off(LEDS_BLUE);leds_on(LEDS_GREEN);leds_on(LEDS_RED);
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break;
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case 4:
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leds_on(LEDS_BLUE);leds_off(LEDS_GREEN);leds_off(LEDS_RED);
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break;
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case 5:
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leds_on(LEDS_BLUE);leds_off(LEDS_GREEN);leds_on(LEDS_RED);
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break;
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case 6:
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leds_on(LEDS_BLUE);leds_on(LEDS_GREEN);leds_off(LEDS_RED);
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break;
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case 7:
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leds_on(LEDS_BLUE);leds_on(LEDS_GREEN);leds_on(LEDS_RED);
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break;
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default:
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printf("unknown state\n");
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}
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}
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/*---------------------------------------------------------------------------*/
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static void
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run_state(enum states current_state)
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{
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switch(current_state) {
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case RADIO_OFF:
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lpm_en = 1;
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radio_off = 1;
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sleep_cycles = 0;
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computing = 0;
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sending = 0;
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break;
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case RADIO_LOW:
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lpm_en = 1;
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radio_off = 0;
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sleep_cycles = UPDATE_TICKS * 99 / 100;
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computing = 0;
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sending = 0;
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break;
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case RADIO_MID:
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lpm_en = 1;
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radio_off = 0;
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sleep_cycles = UPDATE_TICKS * 90 / 100;
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computing = 0;
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sending = 0;
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break;
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case RADIO_FULL:
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lpm_en = 1;
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radio_off = 0;
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sleep_cycles = 0;
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computing = 0;
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sending = 0;
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break;
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case LPM_OFF:
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lpm_en = 0;
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radio_off = 0;
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sleep_cycles = UPDATE_TICKS * 90 / 100;
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computing = 0;
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sending = 0;
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break;
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case SENDING1k:
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lpm_en = 1;
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radio_off = 0;
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sleep_cycles = UPDATE_TICKS * 99 / 100;
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computing = 0;
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sending = 1;
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send_amount = 10;
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send_length = 100;
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break;
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case SENDING12k:
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lpm_en = 1;
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radio_off = 0;
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sleep_cycles = UPDATE_TICKS * 90 / 100;
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computing = 0;
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sending = 1;
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send_amount = 100;
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send_length = 100;
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break;
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default:
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;
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}
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(user_process, ev, data)
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{
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static enum states state;
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PROCESS_BEGIN();
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printf("Node id %d\n", node_id);
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button_sensor.activate();
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state = RADIO_OFF;
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while(1) {
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show_state(state);
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run_state(state);
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PROCESS_WAIT_EVENT();
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if(ev == sensors_event && data == &button_sensor) {
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state = next_state(state);
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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