tos/chips/rf230/CsmaConfig.nc

   1 /*
   2  * Copyright (c) 2007, Vanderbilt University
   3  * All rights reserved.
   4  *
   5  * Permission to use, copy, modify, and distribute this software and its
   6  * documentation for any purpose, without fee, and without written agreement is
   7  * hereby granted, provided that the above copyright notice, the following
   8  * two paragraphs and the author appear in all copies of this software.
   9  *
  10  * IN NO EVENT SHALL THE VANDERBILT UNIVERSITY BE LIABLE TO ANY PARTY FOR
  11  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
  12  * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE VANDERBILT
  13  * UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  14  *
  15  * THE VANDERBILT UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
  16  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
  17  * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
  18  * ON AN "AS IS" BASIS, AND THE VANDERBILT UNIVERSITY HAS NO OBLIGATION TO
  19  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  20  *
  21  * Author: Miklos Maroti
  22  */
  23
  24 interface CsmaConfig
  25 {
  26         /**
  27          * This command is called when the message is transmitted to
  28          * check if it needs software clear channel assesment.
  29          */
  30         async command bool requiresSoftwareCCA(message_t* msg);
  31 }