contiki/examples/esb/blinker.c

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/*
* Copyright (c) 2006, Swedish Institute of Computer Science.
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* 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.
*
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* $Id: blinker.c,v 1.3 2010/01/14 18:18:51 nifi Exp $
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*
* -----------------------------------------------------------------
*
* Author : Adam Dunkels, Joakim Eriksson, Niclas Finne
* Created : 2006-08-28
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* Updated : $Date: 2010/01/14 18:18:51 $
* $Revision: 1.3 $
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*/
#include "contiki-esb.h"
PROCESS(blinker_process, "Blinker");
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AUTOSTART_PROCESSES(&blinker_process);
PROCESS_THREAD(blinker_process, ev, data)
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{
static struct etimer etimer, pir_timer, vib_timer;
static int on = 0;
PROCESS_EXITHANDLER(goto exit);
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PROCESS_BEGIN();
etimer_stop(&pir_timer);
etimer_stop(&vib_timer);
etimer_set(&etimer, CLOCK_SECOND * 4);
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button_sensor.configure(SENSORS_ACTIVE, 1);
vib_sensor.configure(SENSORS_ACTIVE, 1);
pir_sensor.configure(SENSORS_ACTIVE, 1);
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while(1) {
PROCESS_WAIT_EVENT();
if(ev == sensors_event) {
if(data == &vib_sensor) {
if(etimer_expired(&vib_timer)) {
leds_on(LEDS_RED);
etimer_set(&vib_timer, CLOCK_SECOND);
} else {
leds_off(LEDS_RED);
etimer_stop(&vib_timer);
}
beep();
} else if(data == &pir_sensor) {
leds_on(LEDS_YELLOW);
etimer_set(&pir_timer, CLOCK_SECOND);
} else if(data == &button_sensor) {
beep_beep(100);
}
} else if(ev == PROCESS_EVENT_TIMER) {
if(data == &etimer) {
if(on) {
etimer_set(&etimer, CLOCK_SECOND * 4);
leds_off(LEDS_GREEN);
} else {
etimer_set(&etimer, CLOCK_SECOND / 2);
leds_on(LEDS_GREEN);
}
on = !on;
} else if(data == &pir_timer) {
leds_off(LEDS_YELLOW);
} else if(data == &vib_timer) {
leds_off(LEDS_RED);
}
}
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}
exit:
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leds_off(LEDS_ALL);
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PROCESS_END();
}