components/wear_levelling/private_include/WL_State.h (ESP-IDF)

/* * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #ifndef _WL_State_H_ #define _WL_State_H_ #include "esp_err.h" /** * @brief This structure is used to store current state of flash access * */ #if defined(_MSC_VER) #define ALIGNED_(x) __declspec(align(x)) #else #if defined(__GNUC__) #define ALIGNED_(x) __attribute__ ((aligned(x))) #endif #endif typedef struct ALIGNED_(32) WL_State_s { public: uint32_t wl_dummy_sec_pos; /*!< Current dummy sector position*/ uint32_t wl_part_max_sec_pos; /*!< Number of sectors in the partition (excluding config and state sectors) for dummy sector movement*/ uint32_t wl_dummy_sec_move_count; /*!< When dummy sector completes one cycle through the entire flash, wl_dummy_sector_move_count will be incremented by 1*/ uint32_t wl_sec_erase_cycle_count; /*!< After every 'sector erase cycle', this count will be incremented by 1*/ uint32_t wl_max_sec_erase_cycle_count; /*!< Max wl_sector_erase_cycle_count after which block will be moved and dummy sector position record will be updated in state sector*/ uint32_t wl_block_size; /*!< WL partition block size*/ uint32_t version; /*!< State id used to identify the version of current library implementation*/ uint32_t wl_device_id; /*!< ID of current WL instance. Generated randomly when the state is first initialized*/ uint32_t reserved[7]; /*!< Reserved space for future use*/ uint32_t crc32; /*!< CRC of structure*/ } wl_state_t; #ifndef _MSC_VER // MSVS has different format for this define static_assert(sizeof(wl_state_t) % 16 == 0, "Size of wl_state_t structure should be compatible with flash encryption"); #endif // _MSC_VER #define WL_STATE_CRC_LEN_V1 offsetof(wl_state_t, wl_device_id) #define WL_STATE_CRC_LEN_V2 offsetof(wl_state_t, crc32) #endif // _WL_State_H_