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node-id.c
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/*
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* Copyright (c) 2018, 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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* Node-id management
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* \author
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* Simon Duquennoy <simon.duquennoy@ri.se>
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*/
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#include "contiki.h"
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#include "
sys/node-id.h
"
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#include "
net/linkaddr.h
"
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uint16_t node_id = 0;
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void
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node_id_init
(
void
) {
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/* Initialize with a default value derived from linkaddr */
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node_id =
linkaddr_node_addr
.u8[LINKADDR_SIZE - 1]
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+ (
linkaddr_node_addr
.u8[LINKADDR_SIZE - 2] << 8);
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}
linkaddr.h
Header file for the link-layer address representation
node-id.h
Node-id (simple 16-bit identifiers) handling.
linkaddr_node_addr
linkaddr_t linkaddr_node_addr
The link-layer address of the node.
Definition:
linkaddr.c:48
node_id_init
void node_id_init(void)
Initialize the node ID.
Definition:
node-id.c:47
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