hiltimermillic.nc

tinyos2.0版本驱动

//$Id: HilTimerMilliC.nc,v 1.4 2006/12/12 18:23:42 vlahan Exp $

/* "Copyright (c) 2000-2003 The Regents of the University of California.  
 * All rights reserved.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose, without fee, and without written agreement
 * is hereby granted, provided that the above copyright notice, the following
 * two paragraphs and the author appear in all copies of this software.
 * 
 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY
 * OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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/**
 * Millisecond timer for the mica family (see TEP102). The "millisecond"
 * timer system is built on hardware timer 0, running at 1024Hz.
 *
 * @author Cory Sharp <[e-mail]>
 * @author Martin Turon <[e-mail]>
 */

#include "Timer.h"

configuration HilTimerMilliC {
  provides interface Init;
  provides interface Timer<TMilli> as TimerMilli[uint8_t num];
  provides interface LocalTime<TMilli>;
}
implementation {

  enum {
    TIMER_COUNT = uniqueCount(UQ_TIMER_MILLI)
  };

  components AlarmCounterMilliP, new AlarmToTimerC(TMilli),
    new VirtualizeTimerC(TMilli, TIMER_COUNT),
    new CounterToLocalTimeC(TMilli);

  Init = AlarmCounterMilliP;

  TimerMilli = VirtualizeTimerC;
  VirtualizeTimerC.TimerFrom -> AlarmToTimerC;
  AlarmToTimerC.Alarm -> AlarmCounterMilliP;

  LocalTime = CounterToLocalTimeC;
  CounterToLocalTimeC.Counter -> AlarmCounterMilliP;
}