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84 lines
2.7 KiB
84 lines
2.7 KiB
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef DEVICE_GOOGLE_CROSSHATCH_HEALTH_BATTERYRECHARGINGCONTROL_H
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#define DEVICE_GOOGLE_CROSSHATCH_HEALTH_BATTERYRECHARGINGCONTROL_H
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#include <android-base/file.h>
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#include <android-base/logging.h>
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#include <android-base/strings.h>
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#include <batteryservice/BatteryService.h>
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#include <math.h>
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#include <time.h>
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#include <utils/Timers.h>
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#include <string>
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namespace device {
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namespace google {
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namespace crosshatch {
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namespace health {
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extern const std::string kChargerStatus;
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enum RechargeState {
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WAIT_EOC, // Wait for the charge done
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RECHARGING_CYCLE, // During the recharging cycle state
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OVER_LOADING, // When system power draw is higher than what charges the battery
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NO_POWER_SOURCE, // No power source detected
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INACTIVE // Not active the recharging state checking
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};
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struct sysfsStringEnumMap {
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const char *s;
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int val;
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};
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/**
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* updateBatteryProperties is called with the active Fuel Gauge properties values.
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* In bluecross case, the Maxim FG. The charger SOC level should not be considered
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* and cannot be used to make any assumption on the SOC we should reporting to the
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* user.
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*
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* Once 100% is reached, the class will track the charger status to detect
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* when reaching charge termination (EOC), then will report 100% as long as
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* in Full or Charging states.
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* The power source might be disconnected at any FG level, recharge_soc_ is used
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* to keep track of that level to be reached within defined transition time.
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*/
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class BatteryRechargingControl {
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public:
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BatteryRechargingControl();
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void updateBatteryProperties(struct android::BatteryProperties *props);
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private:
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enum RechargeState state_;
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int64_t start_time_;
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/* Keeps track of the target level to detect OVER_LOADING or 0 when no target is set */
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int recharge_soc_;
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int mapSysfsString(const char *str, struct sysfsStringEnumMap map[]);
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int getBatteryStatus(const char *status);
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int RemapSOC(int);
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int64_t getTime();
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};
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} // namespace health
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} // namespace crosshatch
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} // namespace google
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} // namespace device
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#endif
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