/**
 * Copyright (c) 2016 - 2017, 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:
 * 
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form, except as embedded into a Nordic
 *    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.
 * 
 * 5. Any software provided in binary form under this license must not be reverse
 *    engineered, decompiled, modified and/or disassembled.
 * 
 * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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 */
/**@file
 *
 * @defgroup nrf_dfu_settings DFU settings
 * @{
 * @ingroup  sdk_nrf_dfu
 */

#ifndef NRF_DFU_SETTINGS_H__
#define NRF_DFU_SETTINGS_H__

#include <stdint.h>
#include "app_util_platform.h"
#include "nrf_dfu_types.h"
#include "nrf_dfu_flash.h"

#ifdef __cplusplus
extern "C" {
#endif

/**@brief Global DFU settings.
 *
 * @note Using this variable is not thread-safe.
 *
 */
extern nrf_dfu_settings_t s_dfu_settings;


/** @brief Function for writing DFU settings to flash.
 *
 * @param[in]   callback    Pointer to a function that is called after completing the write operation.
 *
 * @retval      NRF_SUCCESS         If the write process was successfully initiated.
 * @retval      NRF_ERROR_INTERNAL  If a flash error occurred.
 */
ret_code_t nrf_dfu_settings_write(dfu_flash_callback_t callback);


/** @brief Function for initializing the DFU settings module.
 */
void nrf_dfu_settings_init(void);


#ifdef __cplusplus
}
#endif

#endif // NRF_DFU_SETTINGS_H__

/**@} */