nes-proj/os/sys/node-id.c

57 lines
2.1 KiB
C

/*
* Copyright (c) 2018, RISE SICS.
* 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
* Node-id management
* \author
* Simon Duquennoy <simon.duquennoy@ri.se>
*/
#include "contiki.h"
#include "sys/node-id.h"
#include "net/linkaddr.h"
#include "services/deployment/deployment.h"
uint16_t node_id = 0;
void
node_id_init(void) {
#if BUILD_WITH_DEPLOYMENT
deployment_init();
#else /* BUILD_WITH_DEPLOYMENT */
/* Initialize with a default value derived from linkaddr */
node_id = linkaddr_node_addr.u8[LINKADDR_SIZE - 1]
+ (linkaddr_node_addr.u8[LINKADDR_SIZE - 2] << 8);
#endif /* BUILD_WITH_DEPLOYMENT */
}