111 lines
3.7 KiB
C
111 lines
3.7 KiB
C
/*
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* Copyright (c) 2017, RISE SICS.
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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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*/
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/**
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* \file
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* NullNet broadcast example
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* \author
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* Simon Duquennoy <simon.duquennoy@ri.se>
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*
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*/
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#include "contiki.h"
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#include "net/netstack.h"
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#include "net/nullnet/nullnet.h"
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#include <string.h>
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#include <stdio.h> /* For printf() */
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/* Log configuration */
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#include "sys/log.h"
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#define LOG_MODULE "App"
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#define LOG_LEVEL LOG_LEVEL_INFO
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/* Configuration */
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#define SEND_INTERVAL (8 * CLOCK_SECOND)
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#if MAC_CONF_WITH_TSCH
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#include "net/mac/tsch/tsch.h"
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static linkaddr_t coordinator_addr = {{ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }};
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#endif /* MAC_CONF_WITH_TSCH */
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/*---------------------------------------------------------------------------*/
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PROCESS(nullnet_example_process, "NullNet broadcast example");
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AUTOSTART_PROCESSES(&nullnet_example_process);
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/*---------------------------------------------------------------------------*/
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void input_callback(const void *data, uint16_t len,
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const linkaddr_t *src, const linkaddr_t *dest)
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{
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if(len == sizeof(unsigned)) {
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unsigned count;
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memcpy(&count, data, sizeof(count));
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LOG_INFO("Received %u from ", count);
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LOG_INFO_LLADDR(src);
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LOG_INFO_("\n");
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}
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(nullnet_example_process, ev, data)
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{
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static struct etimer periodic_timer;
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static unsigned count = 0;
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PROCESS_BEGIN();
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#if MAC_CONF_WITH_TSCH
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tsch_set_coordinator(linkaddr_cmp(&coordinator_addr, &linkaddr_node_addr));
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#endif /* MAC_CONF_WITH_TSCH */
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/* Initialize NullNet */
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nullnet_buf = (uint8_t *)&count;
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nullnet_len = sizeof(count);
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nullnet_set_input_callback(input_callback);
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etimer_set(&periodic_timer, SEND_INTERVAL);
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while(1) {
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&periodic_timer));
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LOG_INFO("Sending %u to ", count);
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LOG_INFO_LLADDR(NULL);
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LOG_INFO_("\n");
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memcpy(nullnet_buf, &count, sizeof(count));
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nullnet_len = sizeof(count);
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NETSTACK_NETWORK.output(NULL);
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count++;
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etimer_reset(&periodic_timer);
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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