osd-contiki/platform/pico-rv32-icoboard/params.c

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2016-03-31 12:47:05 +02:00
/*
* Copyright (c) 2016, Dr. Ralf Schlatterbeck Open Source Consulting
* 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.
*
*/
#define PRINTF(FORMAT,args...) printf_P(PSTR(FORMAT),##args)
#define DEBUG 1
#if DEBUG
#define PRINTD(FORMAT,args...) printf_P(PSTR(FORMAT),##args)
#else
#define PRINTD(...)
#endif
#include "contiki.h"
#include <stdio.h>
#include <string.h>
#include "contiki-net.h"
#include "params.h"
#if CONTIKI_CONF_RANDOM_MAC
extern uint8_t rng_get_uint8(void);
static void
generate_new_eui64(uint8_t eui64[8]) {
eui64[0] = 0x02;
eui64[1] = rng_get_uint8();
eui64[2] = rng_get_uint8();
eui64[3] = 0xFF;
eui64[4] = 0xFE;
eui64[5] = rng_get_uint8();
eui64[6] = rng_get_uint8();
eui64[7] = rng_get_uint8();
}
#endif
const uint8_t default_mac_address[8] =
{0x02, 0x00, 0x00, 0xff, 0xfe, 0x00, 0x00, 0x01};
/* Hard coded parameters. */
uint8_t
params_get_eui64(uint8_t *eui64) {
#if CONTIKI_CONF_RANDOM_MAC
PRINTD("Generating random EUI64 MAC\n");
generate_new_eui64(eui64);
return 1;
#else
uint8_t i;
for (i=0;i<sizeof(default_mac_address);i++) {
eui64[i] = default_mac_address [i];
}
return 0;
#endif
}