esp-idf/components/wear_levelling/private_include/WL_State.h

44 lines
1.5 KiB
C
Raw Normal View History

/*
* 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 pos; /*!< current dummy block position*/
uint32_t max_pos; /*!< maximum amount of positions*/
uint32_t move_count; /*!< total amount of move counts. Used to calculate the address*/
uint32_t access_count; /*!< current access count*/
uint32_t max_count; /*!< max access count when block will be moved*/
uint32_t block_size; /*!< size of move block*/
uint32_t version; /*!< state id used to identify the version of current library implementation*/
uint32_t device_id; /*!< ID of current WL instance*/
uint32_t reserved[7]; /*!< Reserved space for future use*/
uint32_t crc; /*!< 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, device_id)
#define WL_STATE_CRC_LEN_V2 offsetof(wl_state_t, crc)
#endif // _WL_State_H_