1 /* 2 * Copyright (C) 2018 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_HEALTH_BATTERYMETRICSLOGGER_H 18 #define HARDWARE_GOOGLE_PIXEL_HEALTH_BATTERYMETRICSLOGGER_H 19 20 #include <aidl/android/frameworks/stats/IStats.h> 21 #include <aidl/android/hardware/health/HealthInfo.h> 22 #include <android-base/file.h> 23 #include <android-base/logging.h> 24 #include <android-base/strings.h> 25 #include <batteryservice/BatteryService.h> 26 #include <math.h> 27 #include <time.h> 28 #include <utils/Timers.h> 29 30 #include <string> 31 32 #include "pixelatoms_defs.h" 33 34 namespace hardware { 35 namespace google { 36 namespace pixel { 37 namespace health { 38 39 using aidl::android::frameworks::stats::IStats; 40 41 using hardware::google::pixel::PixelAtoms::VendorBatteryHealthSnapshot; 42 43 class BatteryMetricsLogger { 44 public: 45 BatteryMetricsLogger(const char *const batt_res, const char *const batt_ocv, 46 const char *const batt_avg_res = "", int sample_period = TEN_MINUTES_SEC, 47 int upload_period = ONE_DAY_SEC); 48 // Deprecated. Use logBatteryProperties(const HealthInfo&) 49 void logBatteryProperties(struct android::BatteryProperties *props); 50 void logBatteryProperties(const aidl::android::hardware::health::HealthInfo &props); 51 52 private: 53 enum sampleType { 54 TIME, // time in seconds 55 CURR, // current in mA 56 VOLT, // voltage in mV 57 TEMP, // temp in deci-degC 58 SOC, // SoC in % battery level 59 RES, // resistance in milli-ohms 60 OCV, // open-circuit voltage in mV 61 NUM_FIELDS, // do not reference 62 }; 63 64 const int kStatsSnapshotType[NUM_FIELDS] = { 65 -1, 66 VendorBatteryHealthSnapshot::BATTERY_SNAPSHOT_TYPE_MIN_CURRENT, 67 VendorBatteryHealthSnapshot::BATTERY_SNAPSHOT_TYPE_MIN_VOLTAGE, 68 VendorBatteryHealthSnapshot::BATTERY_SNAPSHOT_TYPE_MIN_TEMP, 69 VendorBatteryHealthSnapshot::BATTERY_SNAPSHOT_TYPE_MIN_BATT_LEVEL, 70 VendorBatteryHealthSnapshot::BATTERY_SNAPSHOT_TYPE_MIN_RESISTANCE, 71 -1, 72 }; 73 74 const char *const kBatteryResistance; 75 const char *const kBatteryOCV; 76 const char *const kBatteryAvgResistance; 77 const int kSamplePeriod; 78 const int kUploadPeriod; 79 const int kMaxSamples; 80 static constexpr int TEN_MINUTES_SEC = 10 * 60; 81 static constexpr int ONE_DAY_SEC = 24 * 60 * 60; 82 83 // min and max are referenced by type in both the X and Y axes 84 // i.e. min[TYPE] is the event where the minimum of that type occurred, and 85 // min[TYPE][TYPE] is the reading of that type at that minimum event 86 int32_t min_[NUM_FIELDS][NUM_FIELDS]; 87 int32_t max_[NUM_FIELDS][NUM_FIELDS]; 88 int32_t num_res_samples_; // number of res samples since last upload 89 int32_t num_samples_; // number of min/max samples since last upload 90 int64_t last_sample_; // time in seconds since boot of last sample 91 int64_t last_upload_; // time in seconds since boot of last upload 92 93 int64_t getTime(); 94 bool recordSample(const aidl::android::hardware::health::HealthInfo &health_info); 95 bool uploadMetrics(); 96 bool uploadOutlierMetric(const std::shared_ptr<IStats> &stats_client, sampleType type); 97 bool uploadAverageBatteryResistance(const std::shared_ptr<IStats> &stats_client); 98 }; 99 100 } // namespace health 101 } // namespace pixel 102 } // namespace google 103 } // namespace hardware 104 105 #endif 106