Added example announcement code
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adamdunkels
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/** \example multi-threading.c */
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/** \example multi-threading.c */
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/** \example example-announcement.c */
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/** \example example-broadcast.c */
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/** \example example-broadcast.c */
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/** \example example-collect.c */
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/** \example example-collect.c */
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/** \example example-mesh.c */
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/** \example example-mesh.c */
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104
examples/rime/example-announcement.c
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104
examples/rime/example-announcement.c
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/*
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* Copyright (c) 2009, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: example-announcement.c,v 1.1 2009/03/08 20:27:42 adamdunkels Exp $
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*/
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/**
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* \file
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* Example code that uses the annuncement module
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#include "contiki.h"
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#include "net/rime.h"
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#include "net/rime/announcement.h"
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#include <stdio.h>
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#if CONTIKI_TARGET_NETSIM
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#include "ether.h"
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#endif
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/*---------------------------------------------------------------------------*/
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PROCESS(example_announcement_process, "Example announcement process");
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AUTOSTART_PROCESSES(&example_announcement_process);
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/*---------------------------------------------------------------------------*/
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static void
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received_announcement(struct announcement *a, rimeaddr_t *from,
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uint16_t id, uint16_t value)
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{
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/* We set our own announced value to one plus that of our neighbor. */
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announcement_set_value(a, value + 1);
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printf("Got announcement from %d.%d, id %d, value %d, our new value is %d\n",
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from->u8[0], from->u8[1], id, value, value + 1);
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#if CONTIKI_TARGET_NETSIM
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{
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char buf[8];
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sprintf(buf, "%d", value + 1);
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ether_set_text(buf);
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}
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#endif
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}
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static struct announcement example_announcement;
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(example_announcement_process, ev, data)
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{
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PROCESS_EXITHANDLER(announcement_remove(&example_announcement);)
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PROCESS_BEGIN();
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/* Register an announcement with ID 128 and the lowest eight bytes
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of the Rime address as the value. We provide the
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'received_announcement' function pointer so that this function
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will be called when a announcements from neighbors are heard. */
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announcement_register(&example_announcement,
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128,
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rimeaddr_node_addr.u8[0],
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received_announcement);
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while(1) {
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static struct etimer et;
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/* Listen for announcements every ten seconds. */
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etimer_set(&et, CLOCK_SECOND * 10);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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announcement_listen(1);
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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