inttoledsm.nc

传感器网络中的嵌入式操作系统源代码

// $Id: IntToLedsM.nc,v 1.1.2.4 2003/08/26 09:08:14 cssharp Exp $

/*									tab:4
 * "Copyright (c) 2000-2003 The Regents of the University  of California.  
 * All rights reserved.
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 * 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.
 * 
 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
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 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
 *
 * Copyright (c) 2002-2003 Intel Corporation
 * All rights reserved.
 *
 * This file is distributed under the terms in the attached INTEL-LICENSE     
 * file. If you do not find these files, copies can be found by writing to
 * Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300, Berkeley, CA, 
 * 94704.  Attention:  Intel License Inquiry.
 */
/*
 * Authors:		Jason Hill, David Gay, Philip Levis, Nelson Lee
 * Date last modified:  6/25/02
 *
 */

/**
 * @author Jason Hill
 * @author David Gay
 * @author Philip Levis
 * @author Nelson Lee
 */


module IntToLedsM {
  uses interface Leds;

  provides interface IntOutput;
  provides interface StdControl;
}
implementation
{
  command result_t StdControl.init()
  {
    call Leds.init();
    call Leds.redOff();
    call Leds.yellowOff();
    call Leds.greenOff();
    return SUCCESS;
  }

  command result_t StdControl.start() {
    return SUCCESS;
  }

  command result_t StdControl.stop() {
    return SUCCESS;
  }
  

  task void outputDone()
  {
    signal IntOutput.outputComplete(1);
  }

  command result_t IntOutput.output(uint16_t value)
  {
    if (value & 1) call Leds.redOn();
    else call Leds.redOff();
    if (value & 2) call Leds.greenOn();
    else call Leds.greenOff();
    if (value & 4) call Leds.yellowOn();
    else call Leds.yellowOff();

    post outputDone();

    return SUCCESS;
  }
}