]> oss.titaniummirror.com Git - tinyos-2.x.git/blobdiff - tos/chips/rf230/UniqueLayerP.nc
Merge TinyOS 2.1.1 into master.
[tinyos-2.x.git] / tos / chips / rf230 / UniqueLayerP.nc
diff --git a/tos/chips/rf230/UniqueLayerP.nc b/tos/chips/rf230/UniqueLayerP.nc
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+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * 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>
-#include <Neighborhood.h>
-
-module UniqueLayerP
-{
-       provides
-       {
-               interface Send;
-               interface RadioReceive;
-
-               interface Init;
-       }
-
-       uses
-       {
-               interface Send as SubSend;
-               interface RadioReceive as SubReceive;
-
-               interface UniqueConfig;
-               interface Neighborhood;
-               interface NeighborhoodFlag;
-       }
-}
-
-implementation
-{
-       uint8_t sequenceNumber;
-
-       command error_t Init.init()
-       {
-               sequenceNumber = TOS_NODE_ID << 4;
-               return SUCCESS;
-       }
-
-       command error_t Send.send(message_t* msg, uint8_t len)
-       {
-               call UniqueConfig.setSequenceNumber(msg, ++sequenceNumber);
-               return call SubSend.send(msg, len);
-       }
-
-       command error_t Send.cancel(message_t* msg)
-       {
-               return call SubSend.cancel(msg);
-       }
-
-       event void SubSend.sendDone(message_t* msg, error_t error)
-       {
-               signal Send.sendDone(msg, error);
-       }
-
-       command uint8_t Send.maxPayloadLength()
-       {
-               return call SubSend.maxPayloadLength();
-       }
-
-       command void* Send.getPayload(message_t* msg, uint8_t len)
-       {
-               return call SubSend.getPayload(msg, len);
-       }
-
-       tasklet_async event bool SubReceive.header(message_t* msg)
-       {
-               // we could scan here, but better be lazy
-               return signal RadioReceive.header(msg);
-       }
-
-       tasklet_norace uint8_t receivedNumbers[NEIGHBORHOOD_SIZE];
-
-       tasklet_async event message_t* SubReceive.receive(message_t* msg)
-       {
-               uint8_t index = call Neighborhood.insertNode(call UniqueConfig.getSender(msg));
-               uint8_t dsn = call UniqueConfig.getSequenceNumber(msg);
-
-               if( call NeighborhoodFlag.get(index) )
-               {
-                       uint8_t diff = dsn - receivedNumbers[index];
-
-                       if( diff == 0 )
-                       {
-                               call UniqueConfig.reportChannelError();
-                               return msg;
-                       }
-               }
-               else
-                       call NeighborhoodFlag.set(index);
-
-               receivedNumbers[index] = dsn;
-
-               return signal RadioReceive.receive(msg);
-       }
-
-       tasklet_async event void Neighborhood.evicted(uint8_t index) { }
-}