2012-01-18 16:27:59 +01:00
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/*
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* Copyright (c) 2006, Swedish Institute of Computer Science.
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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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* Utility to store a node id in the external flash
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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2012-11-20 19:57:20 +01:00
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#include "sys/node-id.h"
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2012-01-18 16:27:59 +01:00
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#include "contiki-conf.h"
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#include "dev/xmem.h"
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#include <string.h>
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unsigned short node_id = 0;
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unsigned char node_mac[8];
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uint8_t id[] = {0xab, 0xcd};
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/*---------------------------------------------------------------------------*/
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void
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node_id_restore(void)
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{
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uint8_t *infomem;
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infomem = (uint8_t *) 0x1800;
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uint8_t i;
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if(infomem[0] == id[0] && infomem[1] == id[1]) {
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for(i = 0; i < 8; i++) {
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node_mac[i] = infomem[2 + i];
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}
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} else {
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/* default address */
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node_mac[0] = 0x02;
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node_mac[1] = 0x012;
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node_mac[3] = 0x074;
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node_mac[4] = 0x000;
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node_mac[5] = 0x01;
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node_mac[6] = 0x02;
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node_mac[7] = 0x03;
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}
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node_id = node_mac[7] | (node_mac[6] << 2);
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}
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/*---------------------------------------------------------------------------*/
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void
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node_id_burn(unsigned short id)
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{
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/* add this later */
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}
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/*---------------------------------------------------------------------------*/
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