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RIOT/cpu/native/periph/cpuid.c 902 Bytes
a752c7ab   elopes   add first test an...
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  /*
   * Copyright (C) 2014 Martine Lenders <mlenders@inf.fu-berlin.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     cpu_native
   * @ingroup     drivers_periph_cpuid
   * @{
   *
   * @file
   * @brief       Implementation
   *
   * @author      Martine Lenders <mlenders@inf.fu-berlin.de>
   *
   * @}
   */
  
  #include <string.h>
  #include <stdint.h>
  
  #include "cpu_conf.h"
  #include "native_internal.h"
  
  #include "periph/cpuid.h"
  
  void cpuid_get(void *id)
  {
      /* Just in case _native_id is shorter than CPUID_LEN: */
      size_t len = CPUID_LEN;
      if (sizeof(_native_id) < CPUID_LEN) {
          memset(((char*)id) + sizeof(_native_id), 0xff,
                  CPUID_LEN - sizeof(_native_id));
          len = sizeof(_native_id);
      }
      memcpy(id, &(_native_id), len);
  }