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42 lines
804 B
C
42 lines
804 B
C
/**
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* Copyright (C) 2017 Kaspar Schleiser <kaspar@schleiser.de>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup sys_random
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* @{
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* @file
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*
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* @brief PRNG seeding
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*
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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* @}
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*/
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#include <stdint.h>
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#include "log.h"
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#include "luid.h"
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#include "periph/cpuid.h"
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#include "random.h"
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#define ENABLE_DEBUG (0)
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#include "debug.h"
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void auto_init_random(void)
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{
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uint32_t seed;
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#ifdef MODULE_PERIPH_CPUID
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luid_get(&seed, 4);
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#else
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LOG_WARNING("random: NO SEED AVAILABLE!\n");
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seed = RANDOM_SEED_DEFAULT;
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#endif
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DEBUG("random: using seed value %u\n", (unsigned)seed);
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random_init(seed);
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}
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