neighborhoodflag.nc

来自「tinyos-2.x.rar」· NC 代码 · 共 53 行

/*
 * Copyright (c) 2007, Vanderbilt University
 * 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 VANDERBILT UNIVERSITY 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 VANDERBILT
 * UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * THE VANDERBILT UNIVERSITY 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
 * ON AN "AS IS" BASIS, AND THE VANDERBILT UNIVERSITY HAS NO OBLIGATION TO
 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 *
 * Author: Miklos Maroti
 */

#include <Tasklet.h>

/**
 * This interface provides one bit storage for each neighbor in a very
 * fast and conveint way (without using shifts for example). 
 */
interface NeighborhoodFlag
{
	/**
	 * Returns the value of the flag for the given index
	 */
	tasklet_async command bool get(uint8_t index);
	
	/**
	 * Sets the flag for the given index
	 */
	tasklet_async command void set(uint8_t index);

	/**
	 * Clears the flag for the given index. The flag is automatically
	 * cleared after the Neighborhood.evicted event is fired.
	 */
	tasklet_async command void clear(uint8_t index);

	/**
	 * Clears the flag for all indices
	 */
	tasklet_async command void clearAll();
}