New CC2420 architecture in place for 2.0.2 release. See the README.txt file for...

[tinyos-2.x.git] / tos / chips / cc2420 / packet / CC2420PacketC.nc

diff --git a/tos/chips/cc2420/packet/CC2420PacketC.nc b/tos/chips/cc2420/packet/CC2420PacketC.nc
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+/*
+ * Copyright (c) 2005-2006 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 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
+ */
+
+/**
+ * @author Jonathan Hui <jhui@archrock.com>
+ * @author David Moss
+ * @author Chad Metcalf
+ */
+
+#include "IEEE802154.h"
+#include "message.h"
+
+module CC2420PacketC {
+
+  provides {
+    interface CC2420Packet;
+    interface PacketAcknowledgements as Acks;
+    interface CC2420PacketBody;
+  }
+
+}
+
+implementation {
+
+
+  /***************** PacketAcknowledgement Commands ****************/
+  async command error_t Acks.requestAck( message_t* p_msg ) {
+    (call CC2420PacketBody.getHeader( p_msg ))->fcf |= 1 << IEEE154_FCF_ACK_REQ;
+    return SUCCESS;
+  }
+
+  async command error_t Acks.noAck( message_t* p_msg ) {
+    (call CC2420PacketBody.getHeader( p_msg ))->fcf &= ~(1 << IEEE154_FCF_ACK_REQ);
+    return SUCCESS;
+  }
+
+  async command bool Acks.wasAcked( message_t* p_msg ) {
+    return (call CC2420PacketBody.getMetadata( p_msg ))->ack;
+  }
+
+  /***************** CC2420Packet Commands ****************/
+  async command void CC2420Packet.setPower( message_t* p_msg, uint8_t power ) {
+    if ( power > 31 )
+      power = 31;
+    (call CC2420PacketBody.getMetadata( p_msg ))->tx_power = power;
+  }
+
+  async command uint8_t CC2420Packet.getPower( message_t* p_msg ) {
+    return (call CC2420PacketBody.getMetadata( p_msg ))->tx_power;
+  }
+   
+  async command int8_t CC2420Packet.getRssi( message_t* p_msg ) {
+    return (call CC2420PacketBody.getMetadata( p_msg ))->rssi;
+  }
+
+  async command error_t CC2420Packet.getLqi( message_t* p_msg ) {
+    return (call CC2420PacketBody.getMetadata( p_msg ))->lqi;
+  }
+
+  /***************** CC2420PacketBody Commands ****************/
+  async command cc2420_header_t *CC2420PacketBody.getHeader( message_t* msg ) {
+    return (cc2420_header_t*)( msg->data - sizeof( cc2420_header_t ) );
+  }
+
+  async command cc2420_metadata_t *CC2420PacketBody.getMetadata( message_t* msg ) {
+    return (cc2420_metadata_t*)msg->metadata;
+  }
+
+}