mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-24 22:32:23 +00:00
93 lines
3.2 KiB
C
93 lines
3.2 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.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Demonstrating the powertrace application with broadcasts
|
|
* \author
|
|
* Adam Dunkels <adam@sics.se>
|
|
*/
|
|
|
|
#include "contiki.h"
|
|
#include "net/rime/rime.h"
|
|
#include "random.h"
|
|
|
|
#include "powertrace.h"
|
|
|
|
#include "dev/button-sensor.h"
|
|
|
|
#include "dev/leds.h"
|
|
|
|
#include <stdio.h>
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS(example_broadcast_process, "BROADCAST example");
|
|
AUTOSTART_PROCESSES(&example_broadcast_process);
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
broadcast_recv(struct broadcast_conn *c, const linkaddr_t *from)
|
|
{
|
|
printf("broadcast message received from %d.%d: '%s'\n",
|
|
from->u8[0], from->u8[1], (char *)packetbuf_dataptr());
|
|
}
|
|
static const struct broadcast_callbacks broadcast_call = {broadcast_recv};
|
|
static struct broadcast_conn broadcast;
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(example_broadcast_process, ev, data)
|
|
{
|
|
static struct etimer et;
|
|
|
|
PROCESS_EXITHANDLER(broadcast_close(&broadcast);)
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
|
|
/* Start powertracing, once every two seconds. */
|
|
powertrace_start(CLOCK_SECOND * 2);
|
|
|
|
broadcast_open(&broadcast, 129, &broadcast_call);
|
|
|
|
while(1) {
|
|
|
|
/* Delay 2-4 seconds */
|
|
etimer_set(&et, CLOCK_SECOND * 4 + random_rand() % (CLOCK_SECOND * 4));
|
|
|
|
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
|
|
|
|
packetbuf_copyfrom("Hello", 6);
|
|
broadcast_send(&broadcast);
|
|
printf("broadcast message sent\n");
|
|
}
|
|
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|