The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Dependents: hello SerialTestv11 SerialTestv12 Sierpinski ... more
mbed 2
This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
Diff: TARGET_SDT51822B/TOOLCHAIN_IAR/pstorage.h
- Revision:
- 171:3a7713b1edbc
- Parent:
- 169:a7c7b631e539
diff -r e95d10626187 -r 3a7713b1edbc TARGET_SDT51822B/TOOLCHAIN_IAR/pstorage.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_SDT51822B/TOOLCHAIN_IAR/pstorage.h Thu Nov 08 11:45:42 2018 +0000 @@ -0,0 +1,408 @@ +/* + * Copyright (c) 2013 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 or object form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 persistent_storage Persistent Storage Interface + * @{ + * @ingroup app_common + * @brief Abstracted flash interface. + * + * @details An abstracted interface is provided by the module to easily port the application and + * SDK modules to an alternate option. This ensures that the SDK and application are moved + * to alternate persistent storage instead of the one provided by default. + */ + +#ifndef PSTORAGE_H__ +#define PSTORAGE_H__ + +#include "pstorage_platform.h" + + +/**@defgroup ps_opcode Persistent Storage Access Operation Codes + * @{ + * @brief Persistent Storage Access Operation Codes. + * + * @details Persistent Storage Access Operation Codes are used by Persistent storage operation + * completion callback @ref pstorage_ntf_cb_t to identify the operation type requested by + * the application. + */ +#define PSTORAGE_STORE_OP_CODE 0x01 /**< Store Operation type. */ +#define PSTORAGE_LOAD_OP_CODE 0x02 /**< Load Operation type. */ +#define PSTORAGE_CLEAR_OP_CODE 0x03 /**< Clear Operation type. */ +#define PSTORAGE_UPDATE_OP_CODE 0x04 /**< Update Operation type. */ + +/**@} */ + +/**@defgroup pstorage_data_types Persistent Memory Interface Data Types + * @{ + * @brief Data Types needed for interfacing with persistent memory. + * + * @details Data Types needed for interfacing with persistent memory. + */ + +/**@brief Persistent storage operation completion callback function type. + * + * @details The persistent storage operation completion callback is used by the interface to report + * success or failure of a flash operation. Since data is not copied for a store operation, + * a callback is an indication that the resident memory can now be reused or freed. + * + * @param[in] handle Identifies the module and block for the callback that is received. + * @param[in] op_code Identifies the operation for the event that is notified. + * @param[in] result Identifies the result of a flash access operation. NRF_SUCCESS implies + * operation succeeded. + * + * @note Unmanaged (abnormal behaviour) error codes from the SoftDevice flash + * access API are forwarded as is and are expected to be handled by the + * application. For details refer to the implementation file and corresponding + * SoftDevice flash API documentation. + * + * @param[in] p_data Identifies the application data pointer. For a store operation, this points + * to the resident source of application memory that the application can now + * free or reuse. When there is a clear operation, this is NULL since no + * application pointer is needed for this operation. + * @param[in] data_len Length data the application provided for the operation. + */ +typedef void (*pstorage_ntf_cb_t)(pstorage_handle_t * p_handle, + uint8_t op_code, + uint32_t result, + uint8_t * p_data, + uint32_t data_len); + +/**@brief Struct containing module registration context. */ +typedef struct +{ + pstorage_ntf_cb_t cb; /**< Persistent storage operation completion callback function @ref pstorage_ntf_cb_t. */ + pstorage_size_t block_size; /**< Desired block size for persistent memory storage. For example, if a module has a table with 10 entries, and each entry is 64 bytes in size, + * it can request 10 blocks with a block size of 64 bytes. The module can also request one block that is 640 bytes depending + * on how it would like to access or alter the memory in persistent memory. + * The first option is preferred when it is a single entry that needs to be updated often and doesn't impact the other entries. + * The second option is preferred when table entries are not changed individually but have a common point of loading and storing + * data. */ + pstorage_size_t block_count; /** Number of blocks requested by the module; minimum values is 1. */ +} pstorage_module_param_t; + +/**@} */ + +/**@defgroup pstorage_routines Persistent Storage Access Routines + * @{ + * @brief Functions/Interface SDK modules used to persistently store data. + * + * @details Interface for the Application and SDK modules to load/store information persistently. + * Note: While implementation of each of the persistent storage access functions + * depends on the system and is specific to system/solution, the signature of the + * interface routines should not be altered. + */ + +/**@brief Function for initializing the module. + * + * @details Function for initializing the module. This function is called once before any other APIs + * of the module are used. + * + * @retval NRF_SUCCESS Operation success. + */ +uint32_t pstorage_init(void); + +/**@brief Function for registering with persistent storage interface. + * + * @param[in] p_module_param Module registration parameter. + * @param[out] p_block_id Block identifier to identify persistent memory blocks when + * registration succeeds. Application is expected to use the block IDs + * for subsequent operations on requested persistent memory. Maximum + * registrations permitted is determined by the configuration of the + * parameter PSTORAGE_NUM_OF_PAGES. If more than one memory block is + * requested, the identifier provided here is the base identifier for the + * first block and used to identify the subsequent block. The application + * uses \@ref pstorage_block_identifier_get with this base identifier and + * block number. Therefore if 10 blocks of size 64 are requested and the + * application wishes to store memory in the 6th block, it shall use + * \@ref pstorage_block_identifier_get with the base ID and provide a + * block number of 5. This way the application is only expected to + * remember the base block identifier. + * + * @retval NRF_SUCCESS Operation success. + * @retval NRF_ERROR_INVALID_STATE Operation failure. API is called without module + * initialization. + * @retval NRF_ERROR_NULL Operation failure. NULL parameter has been passed. + * @retval NRF_ERROR_INVALID_PARAM Operation failure. Invalid parameter has been passed. + * @retval NRF_ERROR_NO_MEM Operation failure. Additional registrations can't be + * supported. + */ +uint32_t pstorage_register(pstorage_module_param_t * p_module_param, + pstorage_handle_t * p_block_id); + +/**@brief Function for getting block ID with reference to base block identifier provided at the time + * of registration. + * + * @details Function to get the block ID with reference to base block identifier provided at the + * time of registration. + * If more than one memory block was requested when registering, the identifier provided + * here is the base identifier for the first block which is used to identify subsequent + * blocks. The application shall use this routine to get the block identifier, providing + * input as base identifier and block number. Therefore, if 10 blocks of size 64 are + * requested and the application wishes to store memory in the 6th block, it shall use + * \@ref pstorage_block_identifier_get with the base ID and provide a block number of 5. + * This way the application is only expected to remember the base block identifier. + * + * @param[in] p_base_id Base block ID received at the time of registration. + * @param[in] block_num Block Number, with first block numbered zero. + * @param[out] p_block_id Block identifier for the block number requested when the API succeeds. + * + * @retval NRF_SUCCESS Operation success. + * @retval NRF_ERROR_INVALID_STATE Operation failure. API is called without module + * initialization. + * @retval NRF_ERROR_NULL Operation failure. NULL parameter has been passed. + * @retval NRF_ERROR_INVALID_PARAM Operation failure. Invalid parameter has been passed. + */ +uint32_t pstorage_block_identifier_get(pstorage_handle_t * p_base_id, + pstorage_size_t block_num, + pstorage_handle_t * p_block_id); + +/**@brief Function for persistently storing data of length 'size' contained in the 'p_src' address + * in the storage module at 'p_dest' address. Equivalent to Storage Write. + * + * @param[in] p_dest Destination address where data is to be stored persistently. + * @param[in] p_src Source address containing data to be stored. API assumes this to be resident + * memory and no intermediate copy of data is made by the API. Must be word + * aligned. + * @param[in] size Size of data to be stored expressed in bytes. Must be word aligned and size + + * offset must be <= block size. + * @param[in] offset Offset in bytes to be applied when writing to the block. + * For example, if within a block of 100 bytes, the application wishes to + * write 20 bytes at an offset of 12, then this field should be set to 12. + * Must be word aligned. + * + * @retval NRF_SUCCESS Operation success. + * @retval NRF_ERROR_INVALID_STATE Operation failure. API is called without module + * initialization. + * @retval NRF_ERROR_NULL Operation failure. NULL parameter has been passed. + * @retval NRF_ERROR_INVALID_PARAM Operation failure. Invalid parameter has been passed. + * @retval NRF_ERROR_INVALID_ADDR Operation failure. Parameter is not aligned. + * @retval NRF_ERROR_NO_MEM Operation failure. No storage space available. + * + * @warning No copy of the data is made, meaning memory provided for the data source that is to + * be written to flash cannot be freed or reused by the application until this procedure + * is complete. The application is notified when the procedure is finished using the + * notification callback registered by the application. + */ +uint32_t pstorage_store(pstorage_handle_t * p_dest, + uint8_t * p_src, + pstorage_size_t size, + pstorage_size_t offset); + +/**@brief Function for updating persistently stored data of length 'size' contained in the 'p_src' + * address in the storage module at 'p_dest' address. + * + * @param[in] p_dest Destination address where data is to be updated. + * @param[in] p_src Source address containing data to be stored. API assumes this to be resident + * memory and no intermediate copy of data is made by the API. + * @param[in] size Size of data to be stored expressed in bytes. Must be word aligned and size + + * offset must be <= block size. + * @param[in] offset Offset in bytes to be applied when writing to the block. + * For example, if within a block of 100 bytes, the application wishes to + * write 20 bytes at an offset of 12 bytes, then this field should be set to 12. + * Must be word aligned. + * + * @retval NRF_SUCCESS Operation success. + * @retval NRF_ERROR_INVALID_STATE Operation failure. API is called without module + * initialization. + * @retval NRF_ERROR_NULL Operation failure. NULL parameter has been passed. + * @retval NRF_ERROR_INVALID_PARAM Operation failure. Invalid parameter has been passed. + * @retval NRF_ERROR_INVALID_ADDR Operation failure. Parameter is not aligned. + * @retval NRF_ERROR_NO_MEM Operation failure. No storage space available. + * + * @warning No copy of the data is made, meaning memory provided for the data source that is to + * be written to flash cannot be freed or reused by the application until this procedure + * is complete. The application is notified when the procedure is finished using the + * notification callback registered by the application. + */ +uint32_t pstorage_update(pstorage_handle_t * p_dest, + uint8_t * p_src, + pstorage_size_t size, + pstorage_size_t offset); + +/**@brief Function for loading persistently stored data of length 'size' from 'p_src' address + * to 'p_dest' address. Equivalent to Storage Read. + * + * @param[in] p_dest Destination address where persistently stored data is to be loaded. + * @param[in] p_src Source where data is loaded from persistent memory. + * @param[in] size Size of data to be loaded from persistent memory expressed in bytes. + * Should be word aligned. + * @param[in] offset Offset in bytes, to be applied when loading from the block. + * For example, if within a block of 100 bytes, the application wishes to + * load 20 bytes from offset of 12 bytes, then this field should be set to 12. + * Should be word aligned. + * + * @retval NRF_SUCCESS Operation success. + * @retval NRF_ERROR_INVALID_STATE Operation failure. API is called without module + * initialization. + * @retval NRF_ERROR_NULL Operation failure. NULL parameter has been passed. + * @retval NRF_ERROR_INVALID_PARAM Operation failure. Invalid parameter has been passed. + * @retval NRF_ERROR_INVALID_ADDR Operation failure. Parameter is not aligned. + * @retval NRF_ERROR_NO_MEM Operation failure. No storage space available. + */ +uint32_t pstorage_load(uint8_t * p_dest, + pstorage_handle_t * p_src, + pstorage_size_t size, + pstorage_size_t offset); + +/**@brief Function for clearing data in persistent memory. + * + * @param[in] p_base_id Base block identifier in persistent memory that needs to be cleared; + * equivalent to an Erase Operation. + * @param[in] size Size of data to be cleared from persistent memory expressed in bytes. + * This parameter is to provision for clearing of certain blocks + * of memory, or all memory blocks in a registered module. If the total size + * of the application module is used (blocks * block size) in combination with + * the identifier for the first block in the module, all blocks in the + * module will be erased. Must be multiple of block size. + * + * @retval NRF_SUCCESS Operation success. + * @retval NRF_ERROR_INVALID_STATE Operation failure. API is called without module + * initialization. + * @retval NRF_ERROR_NULL Operation failure. NULL parameter has been passed. + * @retval NRF_ERROR_INVALID_PARAM Operation failure. Invalid parameter has been passed. + * @retval NRF_ERROR_INVALID_ADDR Operation failure. Parameter is not aligned. + * @retval NRF_ERROR_NO_MEM Operation failure. No storage space available. + * + * @note Clear operations may take time. This API however, does not block until the clear + * procedure is complete. The application is notified of procedure completion using + * a notification callback registered by the application. The 'result' parameter of the + * callback indicates if the procedure was successful or not. + */ +uint32_t pstorage_clear(pstorage_handle_t * p_base_id, pstorage_size_t size); + +/**@brief Function for getting the number of pending operations with the module. + * + * @param[out] p_count Number of storage operations pending with the module. If 0, there are no + * outstanding requests. + * + * @retval NRF_SUCCESS Operation success. + * @retval NRF_ERROR_INVALID_STATE Operation failure. API is called without module + * initialization. + * @retval NRF_ERROR_NULL Operation failure. NULL parameter has been passed. + */ +uint32_t pstorage_access_status_get(uint32_t * p_count); + +#ifdef PSTORAGE_RAW_MODE_ENABLE + +/**@brief Function for registering with the persistent storage interface. + * + * @param[in] p_module_param Module registration parameter. + * @param[out] p_block_id Block identifier used to identify persistent memory blocks upon + * successful registration. The application is expected to use the block + * IDs for subsequent operations on requested persistent memory. When + * more than one memory block is requested, this identifier is the base + * identifier for the first block and used to identify subsequent blocks. + * The application shall use \@ref pstorage_block_identifier_get with + * this base identifier and block number. Therefore if 10 blocks of size + * 64 are requested and the application wishes to store memory in the 6th + * block, it shall use \@ref pstorage_block_identifier_get with the base + * ID and provide a block number of 5. Therefore, the application is only + * expected to remember the base block identifier. + * + * @retval NRF_SUCCESS Operation success. + * @retval NRF_ERROR_INVALID_STATE Operation failure. API is called without module + * initialization. + * @retval NRF_ERROR_NULL Operation failure. NULL parameter has been passed. + * @retval NRF_ERROR_INVALID_PARAM Operation failure. Invalid parameter has been passed. + * @retval NRF_ERROR_NO_MEM Operation failure. No storage space available. + */ +uint32_t pstorage_raw_register(pstorage_module_param_t * p_module_param, + pstorage_handle_t * p_block_id); + +/**@brief Function for persistently storing data of length 'size' contained in 'p_src' address in + * storage module at 'p_dest' address. Equivalent to Storage Write. + * + * @param[in] p_dest Destination address where data is to be stored persistently. + * @param[in] p_src Source address containing data to be stored. The API assumes this is resident + * memory and no intermediate copy of data is made by the API. Must be word + * aligned. + * @param[in] size Size of data to be stored expressed in bytes. Must be word aligned. + * @param[in] offset Offset in bytes to be applied when writing to the block. + * For example, if within a block of 100 bytes, the application wishes to + * write 20 bytes at an offset of 12 bytes, this field should be set to 12. + * Must be word aligned. + * + * @retval NRF_SUCCESS Operation success. + * @retval NRF_ERROR_INVALID_STATE Operation failure. API is called without module + * initialization. + * @retval NRF_ERROR_NULL Operation failure. NULL parameter has been passed. + * @retval NRF_ERROR_INVALID_PARAM Operation failure. Invalid parameter has been passed. + * @retval NRF_ERROR_INVALID_ADDR Operation failure. Parameter is not aligned. + * @retval NRF_ERROR_NO_MEM Operation failure. No storage space available. + * + * @warning No copy of the data is made, meaning memory provided for data source that is to be + * written to flash cannot be freed or reused by the application until this procedure + * is complete. The application is notified when the procedure is finished using the + * notification callback registered by the application. + */ +uint32_t pstorage_raw_store(pstorage_handle_t * p_dest, + uint8_t * p_src, + pstorage_size_t size, + pstorage_size_t offset); + +/**@brief Function for clearing data in persistent memory in raw mode. + * + * @param[in] p_dest Base block identifier in persistent memory that needs to be cleared. + * Equivalent to an Erase Operation. + * @param[in] size Size of data to be cleared from persistent memory expressed in bytes. + * Not used. + * + * @retval NRF_SUCCESS Operation success. + * @retval NRF_ERROR_INVALID_STATE Operation failure. API is called without module + * initialization. + * @retval NRF_ERROR_NULL Operation failure. NULL parameter has been passed. + * @retval NRF_ERROR_INVALID_PARAM Operation failure. Invalid parameter has been passed. + * @retval NRF_ERROR_NO_MEM Operation failure. No storage space available. + * + * @note Clear operations may take time. This API, however, does not block until the clear + * procedure is complete. The application is notified of procedure completion using + * a notification callback registered by the application. The 'result' parameter of the + * callback indicates if the procedure was successful or not. + */ +uint32_t pstorage_raw_clear(pstorage_handle_t * p_dest, pstorage_size_t size); + +#endif // PSTORAGE_RAW_MODE_ENABLE + +/**@} */ +/**@} */ + +#endif // PSTORAGE_H__ +