nes-proj/tests/08-ipv6/code-slip-radio/wait-dag.c
2017-09-22 17:09:54 +02:00

75 lines
2.6 KiB
C

/*
* Copyright (c) 2013, CETIC, www.cetic.be.
* 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.
*
*/
#include "contiki.h"
#include "contiki-lib.h"
#include "contiki-net.h"
#include "rpl.h"
#include "net/ipv6/uip.h"
#include <string.h>
#define DEBUG DEBUG_FULL
#include "net/ipv6/uip-debug.h"
#define INTERVAL 5 * CLOCK_SECOND
/*---------------------------------------------------------------------------*/
PROCESS(wait_for_dag, "Wait for DAG process");
AUTOSTART_PROCESSES(&wait_for_dag);
/*---------------------------------------------------------------------------*/
static void
timeout_handler(void)
{
rpl_dag_t *dag = rpl_get_any_dag();
if (dag != NULL) {
PRINTF("DAG Found\n");
}
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(wait_for_dag, ev, data)
{
static struct etimer et;
PROCESS_BEGIN();
PRINTF("Wait for DAG process started\n");
etimer_set(&et, INTERVAL);
while(1) {
PROCESS_YIELD();
if(etimer_expired(&et)) {
timeout_handler();
etimer_restart(&et);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/