Contiki 2.6
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00001 /* 00002 * Copyright (c) 2006, Swedish Institute of Computer Science. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the Institute nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 * 00029 * This file is part of the Contiki operating system. 00030 * 00031 * $Id: node-id.c,v 1.2 2010/08/26 22:08:11 nifi Exp $ 00032 */ 00033 00034 /** 00035 * \file 00036 * Utility to store a node id in the external flash 00037 * \author 00038 * Adam Dunkels <adam@sics.se> 00039 */ 00040 00041 #include "node-id.h" 00042 #include "contiki-conf.h" 00043 #include "dev/xmem.h" 00044 #include <string.h> 00045 00046 00047 unsigned short node_id = 0; 00048 unsigned char node_mac[8]; 00049 00050 uint8_t id[] = {0xab, 0xcd}; 00051 00052 /*---------------------------------------------------------------------------*/ 00053 void 00054 node_id_restore(void) 00055 { 00056 uint8_t *infomem; 00057 infomem = (uint8_t *) 0x1800; 00058 uint8_t i; 00059 if(infomem[0] == id[0] && infomem[1] == id[1]) { 00060 for(i = 0; i < 8; i++) { 00061 node_mac[i] = infomem[2 + i]; 00062 } 00063 } else { 00064 /* default address */ 00065 node_mac[0] = 0x02; 00066 node_mac[1] = 0x012; 00067 node_mac[3] = 0x074; 00068 node_mac[4] = 0x000; 00069 node_mac[5] = 0x01; 00070 node_mac[6] = 0x02; 00071 node_mac[7] = 0x03; 00072 } 00073 node_id = node_mac[7] | (node_mac[6] << 2); 00074 } 00075 /*---------------------------------------------------------------------------*/ 00076 void 00077 node_id_burn(unsigned short id) 00078 { 00079 /* add this later */ 00080 } 00081 /*---------------------------------------------------------------------------*/