119 lines
4.0 KiB
C
119 lines
4.0 KiB
C
/*
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* Copyright (c) 2015, SICS Swedish ICT.
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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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*/
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/**
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* \file
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* A RPL node able to act as either DAG Root (6dr) or simple node (6ln).
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* Press use button at startup to configure.
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*
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* \author Simon Duquennoy <simonduq@sics.se>
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*/
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#include "contiki.h"
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#include "net/ipv6/uip-ds6.h"
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#include "rpl.h"
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#include "tools/rpl-tools.h"
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#define DEBUG DEBUG_PRINT
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#include "net/ipv6/uip-debug.h"
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#define CONFIG_VIA_BUTTON PLATFORM_HAS_BUTTON
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#if CONFIG_VIA_BUTTON
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#include "button-sensor.h"
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#endif /* CONFIG_VIA_BUTTON */
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/*---------------------------------------------------------------------------*/
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PROCESS(node_process, "RPL Node");
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#if CONFIG_VIA_BUTTON
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AUTOSTART_PROCESSES(&node_process, &sensors_process);
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#else /* CONFIG_VIA_BUTTON */
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AUTOSTART_PROCESSES(&node_process);
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#endif /* CONFIG_VIA_BUTTON */
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(node_process, ev, data)
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{
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static struct etimer et;
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PROCESS_BEGIN();
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/* 3 possible roles:
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* - role_6ln: simple node, will join any network, secured or not
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* - role_6dg: DAG root, will advertise (unsecured) beacons
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* */
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static int is_coordinator = 0;
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static enum { role_6ln, role_6dr } node_role;
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node_role = role_6ln;
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#if CONFIG_VIA_BUTTON
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{
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#define CONFIG_WAIT_TIME 5
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SENSORS_ACTIVATE(button_sensor);
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etimer_set(&et, CLOCK_SECOND * CONFIG_WAIT_TIME);
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while(!etimer_expired(&et)) {
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printf("Init: current role: %s. Will start in %u seconds.\n",
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node_role == role_6ln ? "6ln" : "6dr",
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CONFIG_WAIT_TIME);
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PROCESS_WAIT_EVENT_UNTIL(((ev == sensors_event) &&
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(data == &button_sensor) && button_sensor.value(0) > 0)
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|| etimer_expired(&et));
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if(ev == sensors_event && data == &button_sensor && button_sensor.value(0) > 0) {
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node_role = (node_role + 1) % 2;
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etimer_restart(&et);
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}
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}
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}
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#endif /* CONFIG_VIA_BUTTON */
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printf("Init: node starting with role %s\n",
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node_role == role_6ln ? "6ln" : "6dr");
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is_coordinator = node_role > role_6ln;
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if(is_coordinator) {
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uip_ipaddr_t prefix;
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uip_ip6addr(&prefix, UIP_DS6_DEFAULT_PREFIX, 0, 0, 0, 0, 0, 0, 0);
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rpl_tools_init(&prefix);
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} else {
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rpl_tools_init(NULL);
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}
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/* Print out routing tables every minute */
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etimer_set(&et, CLOCK_SECOND * 60);
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while(1) {
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print_network_status();
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PROCESS_YIELD_UNTIL(etimer_expired(&et));
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etimer_reset(&et);
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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