text: /****************************************************************************
   * boards/arm/kinetis/freedom-k66f/src/k66_uid.c
   *
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.  The
   * ASF licenses this file to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance with the
   * License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
   * License for the specific language governing permissions and limitations
   * under the License.
   *
   ****************************************************************************/
  
  /****************************************************************************
   * Included Files
   ****************************************************************************/
  
  #include <nuttx/config.h>
  
  #include <stddef.h>
  #include <errno.h>
  
  #include "hardware/kinetis_k66memorymap.h"
  #include "hardware/kinetis_sim.h"
  #include "kinetis_uid.h"
  
  #include <nuttx/board.h>
  
  #if defined(CONFIG_BOARDCTL_UNIQUEID)
  
  /****************************************************************************
   * Pre-processor Definitions
   ****************************************************************************/
  
  /****************************************************************************
   * Public Functions
   ****************************************************************************/
  
  /****************************************************************************
   * Name: board_uniqueid
   ****************************************************************************/
  
  int board_uniqueid(uint8_t *uniqueid)
  {
    if (uniqueid == NULL)
      {
        return -EINVAL;
      }
  
    kinetis_get_uniqueid(uniqueid);
    return OK;
  }
  
  #endif /* CONFIG_BOARDCTL_UNIQUEID */
  