text: /**
   * Copyright (c) 2017 - 2018, 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
   *    such product, must reproduce the above copyright notice, this list of
   *    conditions and the following disclaimer in the documentation and/or other
   *    materials provided with the distribution.
   * 
   * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
   *    contributors may be used to endorse or promote products derived from this
   *    software without specific prior written permission.
   * 
   * 4. This software, with or without modification, must only be used with a
   *    Nordic Semiconductor ASA integrated circuit.
   * 
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   *    engineered, decompiled, modified and/or disassembled.
   * 
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   */
  
  /** @file
   *
   * @defgroup background_dfu_transport background_dfu_state.h
   * @{
   * @ingroup background_dfu
   * @brief Background DFU transport API.
   *
   */
  
  #ifndef BACKGROUND_DFU_TRANSPORT_H_
  #define BACKGROUND_DFU_TRANSPORT_H_
  
  #include "background_dfu_state.h"
  
  /**@brief Create and send DFU block request with missing blocks.
   *
   * This function is used in multicast DFU.
   *
   * @param[in] p_dfu_ctx A pointer to the background DFU context.
   * @param[in] p_req_bmp A pointer to the bitmap structure that shall be sent.
   */
  void background_dfu_transport_block_request_send(background_dfu_context_t        * p_dfu_ctx,
                                                   background_dfu_request_bitmap_t * p_req_bmp);
  
  /**@brief Send background DFU request, based on DFU state.
   *
   * @param[in] p_dfu_ctx A pointer to the background DFU context.
   */
  void background_dfu_transport_send_request(background_dfu_context_t * p_dfu_ctx);
  
  /**@brief Update background DFU transport state.
   *
   * @param[in] p_dfu_ctx A pointer to the background DFU context.
   */
  void background_dfu_transport_state_update(background_dfu_context_t * p_dfu_ctx);
  
  /**@brief Get random value.
   *
   * @returns A random value of uint32_t type.
   */
  uint32_t background_dfu_random(void);
  
  /** @brief Handle DFU error.
   *
   *  Notify transport about DFU error.
   */
  void background_dfu_handle_error(void);
  
  #endif /* BACKGROUND_DFU_COAP_H_ */
  
  /** @} */
  