esp-idf/components/wear_levelling/private_include/WL_State.h
Dmitry 82eca97300 Version update from V1 to V2 now done in correct way.
Before this works only first time.
The source and test updated.
State length was changed to macro.
2018-10-26 09:21:30 +03:00

52 lines
2.0 KiB
C++

// Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#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 libary implementaion*/
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_