nes-proj/examples/rime/example-unicast.c

89 lines
3.0 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-unicast.c,v 1.2 2009/03/12 21:58:21 adamdunkels Exp $
*/
/**
* \file
* Best-effort single-hop unicast example
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "net/rime.h"
#include "dev/button-sensor.h"
#include "dev/leds.h"
#include <stdio.h>
/*---------------------------------------------------------------------------*/
PROCESS(example_unicast_process, "Example unicast");
AUTOSTART_PROCESSES(&example_unicast_process);
/*---------------------------------------------------------------------------*/
static void
recv_uc(struct unicast_conn *c, rimeaddr_t *from)
{
printf("unicast message received from %d.%d\n",
from->u8[0], from->u8[1]);
}
static const struct unicast_callbacks unicast_callbacks = {recv_uc};
static struct unicast_conn uc;
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(example_unicast_process, ev, data)
{
PROCESS_EXITHANDLER(unicast_close(&uc);)
PROCESS_BEGIN();
unicast_open(&uc, 128, &unicast_callbacks);
while(1) {
static struct etimer et;
rimeaddr_t addr;
etimer_set(&et, CLOCK_SECOND);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
packetbuf_copyfrom("Hello", 5);
addr.u8[0] = 41;
addr.u8[1] = 41;
unicast_send(&uc, &addr);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/