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 #define MAX_LOG_EVENTS_PER_HOUR 4 26 27 /** 28 * A class to upload battery capacity metrics 29 */ 30 class BatteryCapacityReporter { 31 public: 32 BatteryCapacityReporter(); 33 void checkAndReport(const std::string &path); 34 35 private: 36 int64_t getTimeSecs(); 37 38 bool parse(const std::string &path); 39 bool checkLogEvent(void); 40 bool shouldReportEvent(void); 41 void reportEvent(void); 42 43 /** 44 * SOC status translation from sysfs node 45 */ 46 enum SOCStatus { 47 SOC_STATUS_UNKNOWN = 0, 48 SOC_STATUS_CONNECTED = 1, 49 SOC_STATUS_DISCONNECTED = 2, 50 SOC_STATUS_FULL = 3, 51 }; 52 53 enum LogReason { 54 LOG_REASON_UNKNOWN = 0, 55 LOG_REASON_CONNECTED = 1, 56 LOG_REASON_DISCONNECTED = 2, 57 LOG_REASON_FULL_CHARGE = 3, 58 LOG_REASON_PERCENT_SKIP = 4, 59 LOG_REASON_DIVERGING_FG = 5, 60 }; 61 62 SOCStatus status_ = SOC_STATUS_UNKNOWN; 63 SOCStatus status_previous_ = SOC_STATUS_UNKNOWN; 64 float gdf_ = 0.0; 65 float ssoc_ = 0.0f; 66 float gdf_curve_ = 0.0f; 67 float ssoc_curve_ = 0.0f; 68 float ssoc_previous_ = -1.0f; 69 float ssoc_gdf_diff_previous_ = 0.0f; 70 LogReason log_reason_ = LOG_REASON_UNKNOWN; 71 72 int num_events_in_last_hour_ = 0; 73 int64_t log_event_time_secs_[MAX_LOG_EVENTS_PER_HOUR] = {0}; 74 75 // Proto messages are 1-indexed and VendorAtom field numbers start at 2, so 76 // store everything in the values array at the index of the field number 77 // -2. 78 const int kVendorAtomOffset = 2; 79 }; 80 81 } // namespace pixel 82 } // namespace google 83 } // namespace hardware 84 } // namespace android 85 86 #endif // HARDWARE_GOOGLE_PIXEL_PIXELSTATS_BATTERYCAPACITYREPORTER_H 87