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nes-proj/examples/energest-demo/energest-demo.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-demo.c,v 1.8 2009/03/12 21:58:21 adamdunkels Exp $
*/
/**
* \file
* Contiki application sending estimated energy to a sink node
* \author
* Zhitao He <zhitao@sics.se>
*/
#include "contiki.h"
#include "net/rime.h"
#include "net/mac/mac.h"
#include "net/mac/nullmac.h"
#include "dev/button-sensor.h"
#include "dev/cc2420.h"
#include "dev/leds.h"
#include "node-id.h"
#include <stdio.h>
#define SINK_ID 41
/*---------------------------------------------------------------------------*/
PROCESS(output_process, "output energest");
PROCESS(user_process, "user input");
AUTOSTART_PROCESSES(
&output_process,
&user_process
);
/*---------------------------------------------------------------------------*/
static struct abc_conn abc;
static u16_t read = 0;
static u16_t send = 0;
int lpm_en;
static int radio_off;
static int computing;
static int sending;
enum states{
RADIO_OFF = 1,
RADIO_LOW,
RADIO_MID,
RADIO_FULL,
LPM_OFF,
SENDING1k,
SENDING12k,
};
struct energy_time {
unsigned short source;
long cpu;
long lpm;
long transmit;
long listen;
};
static struct energy_time last;
static struct energy_time diff;
// FIXME: workaround to turn on/off radio. Rime should export an MAC on/off interface to avoid forcing the user to do this explicitly
static const struct mac_driver *mac = &nullmac_driver;
static clock_time_t sleep_cycles;
static const char send_string[] = "I am a sending string.";
static int send_length = 10;
static int send_amount = 10;
/*---------------------------------------------------------------------------*/
static void
abc_recv(struct abc_conn *c)
{
struct energy_time *incoming= (struct energy_time *)packetbuf_dataptr();
read++;
if(node_id == SINK_ID) {
printf("%i SICS %i %u %li %li %li %li\n", node_id, read,
incoming->source, incoming->cpu, incoming->lpm,
incoming->transmit, incoming->listen);
}
}
/*---------------------------------------------------------------------------*/
const static struct abc_callbacks abc_call = {abc_recv};
/*---------------------------------------------------------------------------*/
static void
do_computing(void)
{
int i;
for(i = 0; i < 100; i++) {
clock_delay(1000);
}
}
/*---------------------------------------------------------------------------*/
static void
do_sending(void)
{
int i;
cc2420_set_channel(11);
cc2420_set_txpower(1);
for(i = 0;i < send_amount; i++) {
packetbuf_copyfrom(send_string, send_length);
mac->on();
abc_send(&abc);
mac->off(0);
}
cc2420_set_txpower(31);
cc2420_set_channel(RF_CHANNEL);
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(output_process, ev, data)
{
static struct etimer et, et2;
PROCESS_EXITHANDLER(abc_close(&abc);)
PROCESS_BEGIN();
etimer_set(&et, 5*CLOCK_SECOND);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
/* Energy time init */
last.cpu = energest_type_time(ENERGEST_TYPE_CPU);
last.lpm = energest_type_time(ENERGEST_TYPE_LPM);
last.transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT);
last.listen = energest_type_time(ENERGEST_TYPE_LISTEN);
abc_open(&abc, 128, &abc_call);
if (node_id == SINK_ID) {
while(1) {
PROCESS_YIELD();
printf("I'm a sink. I'm doing nothing...");
}
}
etimer_set(&et, UPDATE_TICKS);
while(1) {
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
if(computing) {
do_computing();
}
/* stop-start ongoing time measurements to retrieve the diffs
during last interval */
ENERGEST_OFF(ENERGEST_TYPE_CPU);
ENERGEST_ON(ENERGEST_TYPE_CPU);
mac->on();
mac->off(0);
/* Energy time diff */
diff.source = node_id;
diff.cpu = energest_type_time(ENERGEST_TYPE_CPU) - last.cpu;
diff.lpm = energest_type_time(ENERGEST_TYPE_LPM) - last.lpm;
diff.transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT) - last.transmit;
diff.listen = energest_type_time(ENERGEST_TYPE_LISTEN) - last.listen;
last.cpu = energest_type_time(ENERGEST_TYPE_CPU);
last.lpm = energest_type_time(ENERGEST_TYPE_LPM);
last.transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT);
last.listen = energest_type_time(ENERGEST_TYPE_LISTEN);
send++;
/* printf("%i SICS %i %i %li %li %li %li\n", node_id, send, */
/* diff.source, diff.cpu, diff.lpm, diff.transmit, diff.listen); */
packetbuf_copyfrom((char*)&diff, sizeof(diff));
mac->on();
abc_send(&abc);
if(sending) {
mac->off(0);
do_sending();
} else if(radio_off) {
mac->off(0);
} else {
mac->off(0);
etimer_set(&et2, sleep_cycles);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et2));
mac->on();
}
etimer_reset(&et);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
static enum states
next_state(enum states current_state)
{
return current_state == 7 ? current_state = 1 : current_state + 1;
}
/*---------------------------------------------------------------------------*/
static void
show_state(enum states current_state)
{
printf("state = %d\n", current_state);
switch(current_state) {
case 1:
leds_off(LEDS_BLUE);leds_off(LEDS_GREEN);leds_on(LEDS_RED);
break;
case 2:
leds_off(LEDS_BLUE);leds_on(LEDS_GREEN);leds_off(LEDS_RED);
break;
case 3:
leds_off(LEDS_BLUE);leds_on(LEDS_GREEN);leds_on(LEDS_RED);
break;
case 4:
leds_on(LEDS_BLUE);leds_off(LEDS_GREEN);leds_off(LEDS_RED);
break;
case 5:
leds_on(LEDS_BLUE);leds_off(LEDS_GREEN);leds_on(LEDS_RED);
break;
case 6:
leds_on(LEDS_BLUE);leds_on(LEDS_GREEN);leds_off(LEDS_RED);
break;
case 7:
leds_on(LEDS_BLUE);leds_on(LEDS_GREEN);leds_on(LEDS_RED);
break;
default:
printf("unknown state\n");
}
}
/*---------------------------------------------------------------------------*/
static void
run_state(enum states current_state)
{
switch(current_state) {
case RADIO_OFF:
lpm_en = 1;
radio_off = 1;
sleep_cycles = 0;
computing = 0;
sending = 0;
break;
case RADIO_LOW:
lpm_en = 1;
radio_off = 0;
sleep_cycles = UPDATE_TICKS * 99 / 100;
computing = 0;
sending = 0;
break;
case RADIO_MID:
lpm_en = 1;
radio_off = 0;
sleep_cycles = UPDATE_TICKS * 90 / 100;
computing = 0;
sending = 0;
break;
case RADIO_FULL:
lpm_en = 1;
radio_off = 0;
sleep_cycles = 0;
computing = 0;
sending = 0;
break;
case LPM_OFF:
lpm_en = 0;
radio_off = 0;
sleep_cycles = UPDATE_TICKS * 90 / 100;
computing = 0;
sending = 0;
break;
case SENDING1k:
lpm_en = 1;
radio_off = 0;
sleep_cycles = UPDATE_TICKS * 99 / 100;
computing = 0;
sending = 1;
send_amount = 10;
send_length = 100;
break;
case SENDING12k:
lpm_en = 1;
radio_off = 0;
sleep_cycles = UPDATE_TICKS * 90 / 100;
computing = 0;
sending = 1;
send_amount = 100;
send_length = 100;
break;
default:
;
}
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(user_process, ev, data)
{
static enum states state;
PROCESS_BEGIN();
printf("Node id %d\n", node_id);
button_sensor.activate();
state = RADIO_OFF;
while(1) {
show_state(state);
run_state(state);
PROCESS_WAIT_EVENT();
if(ev == sensors_event && data == &button_sensor) {
state = next_state(state);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
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