+// $Id$
+
+/* tab:4
+ * "Copyright (c) 2000-2005 The Regents of the University of California.
+ * 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 UNIVERSITY OF CALIFORNIA 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 UNIVERSITY OF
+ * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * THE UNIVERSITY OF CALIFORNIA 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 UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
+ *
+ * Copyright (c) 2002-2003 Intel Corporation
+ * All rights reserved.
+ *
+ * This file is distributed under the terms in the attached INTEL-LICENSE
+ * file. If you do not find these files, copies can be found by writing to
+ * Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300, Berkeley, CA,
+ * 94704. Attention: Intel License Inquiry.
+ */
+
+/**
+ * Implementation of the TestTimer application.
+ *
+ * @author Phil Levis
+ * @date April 7 2007
+ *
+ **/
+
+module TestCommC {
+ uses {
+ interface Boot;
+ interface Timer<TMilli> as Timer;
+ interface Receive;
+ interface AMSend;
+ interface Random;
+ interface SplitControl;
+ interface AMPacket;
+ interface PacketAcknowledgements;
+ }
+}
+implementation {
+
+ message_t packet;
+ uint8_t busy;
+
+ event void Boot.booted() {
+ call SplitControl.start();
+ }
+
+ event void SplitControl.startDone(error_t e) {
+ if (TOS_NODE_ID == 1 ||
+ TOS_NODE_ID == 3) {
+ call Timer.startPeriodic(128);
+ }
+ }
+
+ event void SplitControl.stopDone(error_t e) {
+
+ }
+
+ event void Timer.fired() {
+ if (!busy) {
+ call PacketAcknowledgements.requestAck(&packet);
+ if (call AMSend.send(2, &packet, call AMSend.maxPayloadLength()) == SUCCESS) {
+ dbg("TestComm", "Send succeeded @ %s\n", sim_time_string());
+ busy = TRUE;
+ }
+ else {
+ dbg("TestComm", "Send failed at @ %s\n", sim_time_string());
+ }
+ }
+ else {
+ dbg("TestComm", "Send when busy at @ %s\n", sim_time_string());
+ }
+ }
+
+ event void AMSend.sendDone(message_t* m, error_t s) {
+ dbg("TestComm", "Send completed with %s @ %s\n", call PacketAcknowledgements.wasAcked(m)? "ACK":"NOACK", sim_time_string());
+ busy = FALSE;
+ }
+
+
+ event message_t* Receive.receive(message_t* msg, void* p, uint8_t l) {
+ dbg("TestComm", "Received message from %hu @ %s\n", call AMPacket.source(msg), sim_time_string());
+ return msg;
+ }
+}
+
+
+
+