esp-idf/components/wear_levelling/private_include/WL_Config.h
2018-03-12 15:34:16 +03:00

48 lines
2.2 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_Config_H_
#define _WL_Config_H_
#include "Flash_Access.h"
/**
* @brief This class is used as a structure to configure wear levelling module
*
*/
#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_(16) WL_Config_s { /*!< Size of wl_config_t structure should be divided by 16 for encryption*/
size_t start_addr; /*!< start address in the flash*/
uint32_t full_mem_size; /*!< Amount of memory used to store data in bytes*/
uint32_t page_size; /*!< One page size in bytes. Page could be more then memory block. This parameter must be page_size >= N*block_size.*/
uint32_t sector_size; /*!< size of flash memory sector that will be erased and stored at once (erase)*/
uint32_t updaterate; /*!< Amount of accesses before block will be moved*/
uint32_t wr_size; /*!< Minimum amount of bytes per one block at write operation: 1...*/
uint32_t version; /*!< A version of current implementatioon. To erase and reallocate complete memory this ID must be different from id before.*/
size_t 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.*/
uint32_t crc; /*!< CRC for this config*/
} wl_config_t;
#ifndef _MSC_VER // MSVS has different format for this define
static_assert(sizeof(wl_config_t) % 16 == 0, "Size of wl_config_t structure should be compatible with flash encryption");
#endif // _MSC_VER
#endif // _WL_Config_H_