halpxa27xgpiointerrupt.nc

来自「tinyos-2.x.rar」· NC 代码 · 共 68 行

/*
 * Copyright (c) 2005 Arch Rock Corporation 
 * 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 the Arch Rock Corporation 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 THE ARCHED
 * ROCK 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
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 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */

/* 
 * Variant of the standard GpioInterrupt interface that provides a 
 * 'BOTH' trigger.
 * 
 * @author Phil Buonadonna
 * 
 */

interface HalPXA27xGpioInterrupt {

  /** 
   * Enable an edge based interrupt. Calls to these functions are
   * not cumulative: only the transition type of the last called 
   * function will be monitored for.
   *
   *
   * @return SUCCESS if the interrupt has been enabled
   */
  async command error_t enableRisingEdge();
  async command error_t enableFallingEdge();
  async command error_t enableBothEdge();

  /**  
   * Diables an edge interrupt or capture interrupt
   * 
   * @return SUCCESS if the interrupt has been disabled
   */ 
  async command error_t disable();

  /**
   * Fired when an edge interrupt occurs.
   *
   * NOTE: Interrupts keep running until "disable()" is called
   */
  async event void fired();

}