halcc2430emledpinp.nc

Develop Zigbee network real-time Os

/*
 * Copyright (c) 2007 University of Copenhagen
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - 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.
 * - Neither the name of University of Copenhagen 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 COPYRIGHT HOLDERS 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 STANFORD
 * UNIVERSITY OR ITS 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.
 */

/**
 *
 * @author Martin Leopold <[e-mail]>
 */

generic module Halcc2430emLedPinP() {
  provides {
    interface Init;
    interface HalMcs51Led as Led;
  } 
  uses {
    interface GeneralIO as Led_pin;
  }
}
implementation {

  /*
   * Initialize the led to off: set the pin as output and set it
   * high. It should also select the function of the pin by setting
   * the P?SEL register (this is unsupported by the interface at this
   * time).
   */
  command error_t Init.init() {
    call Led_pin.makeOutput();
    call Led_pin.set();
    return SUCCESS;
  }

  async inline command void Led.on() {
    call Led_pin.clr();
  }

  async inline command void Led.off() {
    call Led_pin.set();
  }

  async inline command void Led.toggle() {
    // Either maintain the state of the Led in a variable or read it
    if(call Led_pin.get()){
      call Led_pin.clr();}
    else {
      call Led_pin.set();}
    }
}