You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
trezor-firmware/core/embed/ble_bootloader/dfu/nrf_dfu_settings.h

213 lines
7.6 KiB

/**
* Copyright (c) 2016 - 2021, 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
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/**@file
*
* @defgroup nrf_dfu_settings DFU settings
* @{
* @ingroup nrf_dfu
*/
#ifndef NRF_DFU_SETTINGS_H__
#define NRF_DFU_SETTINGS_H__
#include <stdint.h>
#include "nrf_dfu_types.h"
#include "nrf_dfu_flash.h"
#include "sdk_config.h"
#include "sdk_errors.h"
#ifdef __cplusplus
extern "C" {
#endif
/**@brief Global 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(nrf_dfu_flash_callback_t callback);
/**@brief Function for backing up the settings.
*
* This function copies the contents of the settings page (in flash) to a separate page (in flash).
* During @ref nrf_dfu_settings_init, the backup is restored if the original is invalid.
*
* @param[in] callback Pointer to a function that is called after completing the write operation.
*/
void nrf_dfu_settings_backup(nrf_dfu_flash_callback_t callback);
/**@brief Function for writing DFU settings to flash and to backup.
*
* This function first calls @ref nrf_dfu_settings_write and then @ref nrf_dfu_settings_backup.
*
* @param[in] callback Pointer to a function that is called after completing the write and backup operation.
*
* @retval NRF_SUCCESS If the write process was successfully initiated.
* @retval NRF_ERROR_INTERNAL If a flash error occurred during the first write.
*/
ret_code_t nrf_dfu_settings_write_and_backup(nrf_dfu_flash_callback_t callback);
/**@brief Function for initializing the DFU settings structure.
*
* Initializes the RAM structure from the flash contents.
* This function is called as part of @ref nrf_dfu_settings_init.
*
* @retval NRF_SUCCESS If the initialization was successful.
* @retval NRF_ERROR_INTERNAL If a flash error occurred.
*/
void nrf_dfu_settings_reinit(void);
/**@brief Function for initializing the DFU settings module.
*
* @retval NRF_SUCCESS If the initialization was successful.
* @retval NRF_ERROR_INTERNAL If a flash error occurred.
*/
ret_code_t nrf_dfu_settings_init(bool sd_irq_initialized);
#if defined(NRF_DFU_TRANSPORT_BLE) && NRF_DFU_TRANSPORT_BLE
/** @brief Function for storing peer data received through an SVCI call in DFU settings.
*
* @note The content of the type can be verified by a CRC value stored inside the struct
* If the CRC value is 0xFFFFFFFF, it means that no data is set.
*
* @note The storage operation is an asynchronous progress. Success will be notified
* through system events raised by the SoftDevice.
*
* @param[in] p_data Peer data to be stored in flash.
*
* @retval NRF_SUCCESS Asynchronous operation was successfully started.
* @retval NRF_ERROR_NULL p_data was NULL.
* @retval Any other error code reported by SoftDevice API calls.
*/
ret_code_t nrf_dfu_settings_peer_data_write(nrf_dfu_peer_data_t * p_data);
/** @brief Function for copying peer data from DFU settings to RAM.
*
* @param[in,out] p_data Structure to copy peer data to.
*
* @retval NRF_SUCCESS Peer data was successfully copied.
* @retval NRF_ERROR_NULL p_data was NULL.
*/
ret_code_t nrf_dfu_settings_peer_data_copy(nrf_dfu_peer_data_t * p_data);
/** @brief Function for validating peer data in DFU settings.
*
* @retval True if peer data is validated by CRC, false if not.
*/
bool nrf_dfu_settings_peer_data_is_valid(void);
/** @brief Function for storing an advertisement name received through an SVCI call in DFU settings.
*
* @note The content of the type is verifyable by a CRC-value stored inside the struct.
*
* @note The storage operation is an asynchronous progress. Success will be notified
* through system events raised by the SoftDevice.
*
* @param[in] p_adv_name Structure holding information about the new advertisement name.
*
* @retval NRF_SUCCESS Asynchronous operation was successfully started.
* @retval NRF_ERROR_NULL p_adv_name was NULL.
* @retval Any other error code reported by SoftDevice API calls.
*/
ret_code_t nrf_dfu_settings_adv_name_write(nrf_dfu_adv_name_t * p_adv_name);
/** @brief Function for copying the advertisement name from DFU settings to RAM.
*
* @param[in,out] p_adv_name Structure to copy the new advertisement name to.
*
* @retval NRF_SUCCESS Advertisement name was successfully copied.
* @retval NRF_ERROR_NULL p_adv_name was NULL.
*/
ret_code_t nrf_dfu_settings_adv_name_copy(nrf_dfu_adv_name_t * p_adv_name);
/** @brief Function for validating advertisement data in DFU settings.
*
* @retval True if advertisement name is validated by CRC, false if not.
*/
bool nrf_dfu_settings_adv_name_is_valid(void);
#endif // NRF_DFU_TRANSPORT_BLE
/** @brief Function for erasing additional data in DFU settings.
*
* @note Erasing additional data in DFU settings is only possible
* if nrf_dfu_flash is initialized to not use SoftDevice calls.
*
* @retval NRF_SUCCESS Additional data was successfully erased.
* @retval Any other error code reported by nrf_dfu_flash
*/
ret_code_t nrf_dfu_settings_additional_erase(void);
/** @brief Function for resetting both init command and DFU transfer progress inside settings structure.
*
* @note This function does not perform flash operation.
* In order to save the reset state, please use @ref nrf_dfu_settings_write function.
*/
void nrf_dfu_settings_progress_reset(void);
#ifdef __cplusplus
}
#endif
#endif // NRF_DFU_SETTINGS_H__
/**@} */