82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/*
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* Copyright (c) 2016, Dr. Ralf Schlatterbeck Open Source Consulting
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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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#define PRINTF(FORMAT,args...) printf_P(PSTR(FORMAT),##args)
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#define DEBUG 1
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#if DEBUG
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#define PRINTD(FORMAT,args...) printf_P(PSTR(FORMAT),##args)
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#else
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#define PRINTD(...)
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#endif
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#include "contiki.h"
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#include <stdio.h>
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#include <string.h>
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#include "contiki-net.h"
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#include "params.h"
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#if CONTIKI_CONF_RANDOM_MAC
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extern uint8_t rng_get_uint8(void);
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static void
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generate_new_eui64(uint8_t eui64[8]) {
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eui64[0] = 0x02;
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eui64[1] = rng_get_uint8();
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eui64[2] = rng_get_uint8();
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eui64[3] = 0xFF;
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eui64[4] = 0xFE;
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eui64[5] = rng_get_uint8();
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eui64[6] = rng_get_uint8();
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eui64[7] = rng_get_uint8();
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}
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#endif
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const uint8_t default_mac_address[8] =
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{0x02, 0x00, 0x00, 0xff, 0xfe, 0x00, 0x00, 0x01};
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/* Hard coded parameters. */
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uint8_t
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params_get_eui64(uint8_t *eui64) {
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#if CONTIKI_CONF_RANDOM_MAC
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PRINTD("Generating random EUI64 MAC\n");
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generate_new_eui64(eui64);
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return 1;
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#else
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uint8_t i;
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for (i=0;i<sizeof(default_mac_address);i++) {
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eui64[i] = default_mac_address [i];
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}
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return 0;
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#endif
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}
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