esp-idf/components/nvs_flash/src/nvs_pagemanager.hpp
Jakob Hasse aca9ec28b3 NVS: using esp_partition API
* partition api changed from spi_flash* API to
  esp_partition* API and is abstracted as a C++
  interface.
* The old nvs encryption is still possible
* changed default unit test app partition table
* Partitions coming from esp_partition API are
  checked for generic flash encryption. If yes,
  an error is returned since generic flash
  encryption isn't compatible with nvs
  encryption
* esp32, esp32s2 tests don't require nvs_flash
  but mbedtls now

Closes IDF-1340
Closes IDF-858
2020-09-14 10:34:34 +08:00

82 lines
1.8 KiB
C++

// Copyright 2015-2016 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 nvs_pagemanager_hpp
#define nvs_pagemanager_hpp
#include <memory>
#include <list>
#include "nvs_types.hpp"
#include "nvs_page.hpp"
#include "partition.hpp"
#include "intrusive_list.h"
namespace nvs
{
class PageManager
{
using TPageList = intrusive_list<Page>;
using TPageListIterator = TPageList::iterator;
public:
PageManager() {}
esp_err_t load(Partition *partition, uint32_t baseSector, uint32_t sectorCount);
TPageListIterator begin()
{
return mPageList.begin();
}
TPageListIterator end()
{
return mPageList.end();
}
Page& back()
{
return mPageList.back();
}
uint32_t getPageCount() {
return mPageCount;
}
esp_err_t requestNewPage();
esp_err_t fillStats(nvs_stats_t& nvsStats);
uint32_t getBaseSector()
{
return mBaseSector;
}
protected:
friend class Iterator;
esp_err_t activatePage();
TPageList mPageList;
TPageList mFreePageList;
std::unique_ptr<Page[]> mPages;
uint32_t mBaseSector;
uint32_t mPageCount;
uint32_t mSeqNumber;
}; // class PageManager
} // namespace nvs
#endif /* nvs_pagemanager_hpp */