text: /**
   * Copyright (c) 2016 - 2020, Nordic Semiconductor ASA
   *
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
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   *    list of conditions and the following disclaimer.
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   *    Semiconductor ASA integrated circuit in a product or a software update for
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   *
   * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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   *
   * 4. This software, with or without modification, must only be used with a
   *    Nordic Semiconductor ASA integrated circuit.
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  /**@file
   *
   * @defgroup nrf_dfu DFU modules
   * @{
   * @ingroup  nrf_bootloader
   * @brief Modules providing Device Firmware Update (DFU) functionality.
   *
   * The DFU module, in combination with the @ref nrf_bootloader module,
   * can be used to implement a bootloader that supports Device Firmware Updates.
   */
  
  #ifndef NRF_DFU_H__
  #define NRF_DFU_H__
  
  #include <stdint.h>
  #include <stdbool.h>
  #include "nrf_dfu_types.h"
  #include "nrf_dfu_req_handler.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  
  #define NRF_DFU_SCHED_EVENT_DATA_SIZE (sizeof(nrf_dfu_request_t))
  
  
  /** @brief Function for initializing a DFU operation.
   *
   * This function initializes a DFU operation and any transports that are registered
   * in the system.
   *
   * @param[in] observer  Callback function for receiving DFU notifications.
   *
   * @retval  NRF_SUCCESS     If the DFU operation was successfully initialized.
   */
  uint32_t nrf_dfu_init(nrf_dfu_observer_t observer);
  
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif // NRF_DFU_H__
  
  /** @} */
  