osd-contiki/examples/rime/example-trickle.c
2010-01-15 10:24:35 +00:00

82 lines
3 KiB
C

/*
* Copyright (c) 2007, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
*
* This file is part of the Contiki operating system.
*
* $Id: example-trickle.c,v 1.5 2010/01/15 10:24:37 nifi Exp $
*/
/**
* \file
* Example for using the trickle code in Rime
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "net/rime/trickle.h"
#include "dev/button-sensor.h"
#include "dev/leds.h"
#include <stdio.h>
/*---------------------------------------------------------------------------*/
PROCESS(example_trickle_process, "Trickle example");
AUTOSTART_PROCESSES(&example_trickle_process);
/*---------------------------------------------------------------------------*/
static void
trickle_recv(struct trickle_conn *c)
{
printf("%d.%d: trickle message received '%s'\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
(char *)packetbuf_dataptr());
}
const static struct trickle_callbacks trickle_call = {trickle_recv};
static struct trickle_conn trickle;
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(example_trickle_process, ev, data)
{
PROCESS_EXITHANDLER(trickle_close(&trickle);)
PROCESS_BEGIN();
trickle_open(&trickle, CLOCK_SECOND, 145, &trickle_call);
SENSORS_ACTIVATE(button_sensor);
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == sensors_event &&
data == &button_sensor);
packetbuf_copyfrom("Hello, world", 13);
trickle_send(&trickle);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/