Initial version of TKN15.4, a platform-independent IEEE 802.15.4-2006 MAC implementat...

[tinyos-2.x.git] / tos / lib / mac / tkn154 / TransferClientP.nc

diff --git a/tos/lib/mac/tkn154/TransferClientP.nc b/tos/lib/mac/tkn154/TransferClientP.nc
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+/* 
+ * Copyright (c) 2008, Technische Universitaet Berlin
+ * 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 Technische Universitaet Berlin 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 COPYRIGHT
+ * OWNER OR 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.
+ *
+ * - Revision -------------------------------------------------------------
+ * $Revision$
+ * $Date$
+ * @author Jan Hauer <hauer@tkn.tu-berlin.de>
+ * ========================================================================
+ */
+generic module TransferClientP(uint8_t myUserId)
+{
+  provides
+  {
+    interface ResourceTransfer;
+    interface ResourceTransferred;
+    interface ResourceTransferConnector as TransferredFrom;
+  } uses {
+    interface ResourceTransferConnector as TransferTo;
+    interface ResourceTransferControl;
+    interface Leds;
+  }
+}
+implementation
+{
+  async command error_t ResourceTransfer.transfer()
+  {
+    error_t result;
+    uint8_t toClient = call TransferTo.getUserId();
+    atomic {
+      result = call ResourceTransferControl.transfer(myUserId, toClient);
+      if (result == SUCCESS)
+        call TransferTo.transfer();
+    }
+    return result;
+  }
+
+  async command uint8_t TransferredFrom.getUserId(){ return myUserId;}
+
+  async command void TransferredFrom.transfer()
+  {
+    signal ResourceTransferred.transferred();
+  }
+
+  async command error_t ResourceTransferred.release()
+  {
+    return call ResourceTransferControl.release(myUserId);
+  }
+  default async command uint8_t TransferTo.getUserId(){ call Leds.led0On(); return 0xFF;}
+  default async command void TransferTo.transfer(){ call Leds.led0On(); }
+}