BatteryMonitor.h revision 3db03a5ab0cb7713529c298531be6da7c2193525 
1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef HEALTHD_BATTERYMONITOR_H
18#define HEALTHD_BATTERYMONITOR_H
19
20#include <batteryservice/BatteryService.h>
21#include <binder/IInterface.h>
22#include <utils/String8.h>
23#include <utils/Vector.h>
24
25#include "healthd.h"
26
27namespace android {
28
29class BatteryMonitor {
30  public:
31
32    enum PowerSupplyType {
33        ANDROID_POWER_SUPPLY_TYPE_UNKNOWN = 0,
34        ANDROID_POWER_SUPPLY_TYPE_AC,
35        ANDROID_POWER_SUPPLY_TYPE_USB,
36        ANDROID_POWER_SUPPLY_TYPE_WIRELESS,
37        ANDROID_POWER_SUPPLY_TYPE_BATTERY
38    };
39
40    void init(struct healthd_config *hc);
41    bool update(void);
42    status_t getProperty(int id, struct BatteryProperty *val);
43    void dumpState(int fd);
44
45  private:
46    struct healthd_config *mHealthdConfig;
47    Vector<String8> mChargerNames;
48    bool mBatteryDevicePresent;
49    int mBatteryFixedCapacity;
50    int mBatteryFixedTemperature;
51    struct BatteryProperties props;
52
53    int getBatteryStatus(const char* status);
54    int getBatteryHealth(const char* status);
55    int readFromFile(const String8& path, char* buf, size_t size);
56    PowerSupplyType readPowerSupplyType(const String8& path);
57    bool getBooleanField(const String8& path);
58    int getIntField(const String8& path);
59};
60
61}; // namespace android
62
63#endif // HEALTHD_BATTERY_MONTIOR_H
64