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41 lines
1.9 KiB
C
41 lines
1.9 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef _WL_Config_H_
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#define _WL_Config_H_
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#include "Flash_Access.h"
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/**
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* @brief This class is used as a structure to configure wear levelling module
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*
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*/
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#if defined(_MSC_VER)
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#define ALIGNED_(x) __declspec(align(x))
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#else
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#if defined(__GNUC__)
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#define ALIGNED_(x) __attribute__ ((aligned(x)))
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#endif
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#endif
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typedef struct ALIGNED_(16) WL_Config_s {/*!< Size of wl_config_t structure should be divided by 16 for encryption*/
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size_t wl_partition_start_addr; /*!< Partition start address in the flash*/
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uint32_t wl_partition_size; /*!< Size of partition used to store data in bytes*/
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uint32_t wl_page_size; /*!< One page size in bytes. Page size can be more than memory block. Here, wl_page_size >= N*flash_sector_size, where N > 0.*/
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uint32_t flash_sector_size; /*!< Size of flash memory sector that will be erased and stored at once (erase)*/
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uint32_t wl_update_rate; /*!< Memory erase count after which physical sector and dummy sector swaps its address.*/
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uint32_t wl_pos_update_record_size; /*!< Number of bytes for storing pos update record appended on the state sector data after every wl_update_rate*/
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uint32_t version; /*!< A version of current implementation. To erase and reallocate complete memory this ID must be different from id before.*/
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size_t wl_temp_buff_size; /*!< Size of temporary allocated buffer to copy from one flash area to another. The best way, if this value will be equal to sector size.*/
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uint32_t crc32; /*!< CRC for this config*/
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} wl_config_t;
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#ifndef _MSC_VER // MSVS has different format for this define
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static_assert(sizeof(wl_config_t) % 16 == 0, "Size of wl_config_t structure should be compatible with flash encryption");
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#endif // _MSC_VER
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#endif // _WL_Config_H_
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