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RIOT/sys/random/prng_tinymt32.c 817 Bytes
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  /**
   * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
   *
   * This file is subject to the terms and conditions of the GNU Lesser
   * General Public License v2.1. See the file LICENSE in the top level
   * directory for more details.
   */
  
   /**
   * @ingroup sys_random
   * @{
   * @file
   *
   * @brief Glue-code for tinymt32
   *
   * See https://github.com/MersenneTwister-Lab/TinyMT for details.
   *
   * @author Kaspar Schleiser <kaspar@schleiser.de>
   * @}
   */
  
  #include <stdint.h>
  
  #include "tinymt32/tinymt32.h"
  
  static tinymt32_t _random;
  
  void random_init(uint32_t seed)
  {
      tinymt32_init(&_random, seed);
  }
  
  uint32_t random_uint32(void)
  {
      return tinymt32_generate_uint32(&_random);
  }
  
  void random_init_by_array(uint32_t init_key[], int key_length)
  {
      tinymt32_init_by_array(&_random, init_key, key_length);
  }