1 /*
2  * Copyright (C) 2020 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 HARDWARE_GOOGLE_PIXEL_PIXELSTATS_BATTERYCAPACITYREPORTER_H
18 #define HARDWARE_GOOGLE_PIXEL_PIXELSTATS_BATTERYCAPACITYREPORTER_H
19 
20 namespace android {
21 namespace hardware {
22 namespace google {
23 namespace pixel {
24 
25 /**
26  * A class to upload battery capacity metrics
27  */
28 class BatteryCapacityReporter {
29   public:
30     BatteryCapacityReporter();
31     void checkAndReport(const std::string &path);
32 
33   private:
34     int64_t getTimeSecs();
35 
36     bool parse(const std::string &path);
37     bool check(void);
38     void report(void);
39 
40     /**
41      * SOC status translation from sysfs node
42      */
43     enum SOCStatus {
44         SOC_STATUS_UNKNOWN = 0,
45         SOC_STATUS_CONNECTED = 1,
46         SOC_STATUS_DISCONNECTED = 2,
47         SOC_STATUS_FULL = 3,
48     };
49 
50     enum LogReason {
51         LOG_REASON_UNKNOWN = 0,
52         LOG_REASON_CONNECTED = 1,
53         LOG_REASON_DISCONNECTED = 2,
54         LOG_REASON_FULL_CHARGE = 3,
55         LOG_REASON_PERCENT_SKIP = 4,
56         LOG_REASON_DIVERGING_FG = 5,
57     };
58 
59     SOCStatus status_ = SOC_STATUS_UNKNOWN;
60     SOCStatus status_previous_ = SOC_STATUS_UNKNOWN;
61     float gdf_ = 0.0;
62     float ssoc_ = 0.0f;
63     float gdf_curve_ = 0.0f;
64     float ssoc_curve_ = 0.0f;
65     float ssoc_previous_ = -1.0f;
66     float ssoc_gdf_diff_previous_ = 0.0f;
67     int64_t unexpected_event_timer_secs_ = 0;
68     bool unexpected_event_timer_active_ = false;
69     LogReason log_reason_ = LOG_REASON_UNKNOWN;
70 
71     // Proto messages are 1-indexed and VendorAtom field numbers start at 2, so
72     // store everything in the values array at the index of the field number
73     // -2.
74     const int kVendorAtomOffset = 2;
75 };
76 
77 }  // namespace pixel
78 }  // namespace google
79 }  // namespace hardware
80 }  // namespace android
81 
82 #endif  // HARDWARE_GOOGLE_PIXEL_PIXELSTATS_BATTERYCAPACITYREPORTER_H
83