blinkfailc.nc

tinyos-2.x.rar

// $Id: BlinkFailC.nc,v 1.2 2008/07/03 18:41:36 regehr Exp $

/*									tab:4
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 * Copyright (c) 2002-2003 Intel Corporation
 * All rights reserved.
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/**
 * Implementation for BlinkFail application.  Toggle the LEDs when a
 * Timer fires.  Access out of bounds storage after a few seconds.
 **/

#include "Timer.h"

module BlinkFailC @safe()
{
  uses interface Timer<TMilli> as Timer0;
  uses interface Timer<TMilli> as Timer1;
  uses interface Timer<TMilli> as Timer2;
  uses interface Leds;
  uses interface Boot;
}
implementation
{
  event void Boot.booted()
  {
    call Timer0.startPeriodic( 250 );
    call Timer1.startPeriodic( 500 );
    call Timer2.startPeriodic( 1000 );
  }

  event void Timer0.fired()
  {
    dbg("BlinkFailC", "Timer 0 fired @ %s.\n", sim_time_string());
    call Leds.led0Toggle();
  }
  
  int a[10];
  int i;

  event void Timer1.fired()
  {
    dbg("BlinkFailC", "Timer 1 fired @ %s \n", sim_time_string());
    call Leds.led1Toggle();
    // here we violate memory safety on the 11th signal of this event
    a[i++] = 1;
  }
  
  event void Timer2.fired()
  {
    dbg("BlinkFailC", "Timer 2 fired @ %s.\n", sim_time_string());
    call Leds.led2Toggle();
  }
}