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/*
* Copyright (C) 2018 The Android Open Source Project
*
* 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 HARDWARE_GOOGLE_PIXEL_HEALTH_CYCLECOUNTBACKUPRESTORE_H
#define HARDWARE_GOOGLE_PIXEL_HEALTH_CYCLECOUNTBACKUPRESTORE_H
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/strings.h>
#include <string>
namespace hardware {
namespace google {
namespace pixel {
namespace health {
class CycleCountBackupRestore {
public:
CycleCountBackupRestore(int nb_buckets, const char *sysfs_path, const char *persist_path,
const char *serial_path = "");
void Restore();
void Backup(int battery_level);
private:
const char *kPersistSerial = "/mnt/vendor/persist/battery/serial_number";
int nb_buckets_;
int *sw_bins_;
int *hw_bins_;
int saved_soc_;
int soc_inc_;
std::string sysfs_path_;
std::string persist_path_;
std::string serial_path_;
void Read(const std::string &path, int *bins);
void Write(int *bins, const std::string &path);
void UpdateAndSave();
bool CheckSerial();
};
} // namespace health
} // namespace pixel
} // namespace google
} // namespace hardware
#endif // #ifndef HARDWARE_GOOGLE_PIXEL_HEALTH_CYCLECOUNTBACKUPRESTORE_H