77 lines
2.1 KiB
C
77 lines
2.1 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_Flash_H_
|
||
|
|
#define _WL_Flash_H_
|
||
|
|
|
||
|
|
#include "esp_err.h"
|
||
|
|
#include "Flash_Access.h"
|
||
|
|
#include "WL_Config.h"
|
||
|
|
#include "WL_State.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief This class is used to make wear levelling for flash devices. Class implements Flash_Access interface
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
class WL_Flash : public Flash_Access
|
||
|
|
{
|
||
|
|
public :
|
||
|
|
WL_Flash();
|
||
|
|
~WL_Flash() override;
|
||
|
|
|
||
|
|
virtual esp_err_t config(wl_config_t *cfg, Flash_Access *flash_drv);
|
||
|
|
virtual esp_err_t init();
|
||
|
|
|
||
|
|
size_t chip_size() override;
|
||
|
|
size_t sector_size() override;
|
||
|
|
|
||
|
|
|
||
|
|
esp_err_t erase_sector(size_t sector) override;
|
||
|
|
esp_err_t erase_range(size_t start_address, size_t size) override;
|
||
|
|
|
||
|
|
esp_err_t write(size_t dest_addr, const void *src, size_t size) override;
|
||
|
|
esp_err_t read(size_t src_addr, void *dest, size_t size) override;
|
||
|
|
|
||
|
|
esp_err_t flush() override;
|
||
|
|
|
||
|
|
Flash_Access *get_drv();
|
||
|
|
wl_config_t *get_cfg();
|
||
|
|
|
||
|
|
protected:
|
||
|
|
bool configured = false;
|
||
|
|
bool initialized = false;
|
||
|
|
wl_state_t state;
|
||
|
|
wl_config_t cfg;
|
||
|
|
Flash_Access *flash_drv = NULL;
|
||
|
|
|
||
|
|
size_t addr_cfg;
|
||
|
|
size_t addr_state1;
|
||
|
|
size_t addr_state2;
|
||
|
|
size_t index_state1;
|
||
|
|
size_t index_state2;
|
||
|
|
|
||
|
|
size_t flash_size;
|
||
|
|
uint32_t state_size;
|
||
|
|
uint32_t cfg_size;
|
||
|
|
uint8_t *temp_buff = NULL;
|
||
|
|
size_t dummy_addr;
|
||
|
|
uint8_t used_bits;
|
||
|
|
|
||
|
|
esp_err_t initSections();
|
||
|
|
esp_err_t updateWL();
|
||
|
|
esp_err_t recoverPos();
|
||
|
|
size_t calcAddr(size_t addr);
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // _WL_Flash_H_
|