BatteryMonitor.cpp revision 10b235e7436256da9adc827125645f141bd8fac9
1752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor/* 2752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor * Copyright (C) 2013 The Android Open Source Project 3752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor * 4752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor * Licensed under the Apache License, Version 2.0 (the "License"); 5752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor * you may not use this file except in compliance with the License. 6752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor * You may obtain a copy of the License at 7752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor * 8752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor * http://www.apache.org/licenses/LICENSE-2.0 9752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor * 10752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor * Unless required by applicable law or agreed to in writing, software 11752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor * distributed under the License is distributed on an "AS IS" BASIS, 12752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor * See the License for the specific language governing permissions and 14752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor * limitations under the License. 15752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor */ 16752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 17752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#define LOG_TAG "healthd" 18752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 1910b235e7436256da9adc827125645f141bd8fac9Todd Poynor#include "healthd.h" 20752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include "BatteryMonitor.h" 21752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include "BatteryPropertiesRegistrar.h" 22752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 23752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <dirent.h> 24752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <errno.h> 25752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <fcntl.h> 26752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <stdio.h> 27752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <stdlib.h> 28752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <unistd.h> 29752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <batteryservice/BatteryService.h> 30752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <cutils/klog.h> 31752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <utils/String8.h> 32752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <utils/Vector.h> 33752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 34752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#define POWER_SUPPLY_SUBSYSTEM "power_supply" 35752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#define POWER_SUPPLY_SYSFS_PATH "/sys/class/" POWER_SUPPLY_SUBSYSTEM 36752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 37752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynornamespace android { 38752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 39752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorstruct sysfsStringEnumMap { 40752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor char* s; 41752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor int val; 42752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor}; 43752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 44752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorstatic int mapSysfsString(const char* str, 45752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor struct sysfsStringEnumMap map[]) { 46752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor for (int i = 0; map[i].s; i++) 47752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (!strcmp(str, map[i].s)) 48752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return map[i].val; 49752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 50752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return -1; 51752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 52752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 53752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorint BatteryMonitor::getBatteryStatus(const char* status) { 54752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor int ret; 55752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor struct sysfsStringEnumMap batteryStatusMap[] = { 56752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Unknown", BATTERY_STATUS_UNKNOWN }, 57752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Charging", BATTERY_STATUS_CHARGING }, 58752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Discharging", BATTERY_STATUS_DISCHARGING }, 59752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Not charging", BATTERY_STATUS_NOT_CHARGING }, 60752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Full", BATTERY_STATUS_FULL }, 61752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { NULL, 0 }, 62752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor }; 63752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 64752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor ret = mapSysfsString(status, batteryStatusMap); 65752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (ret < 0) { 66752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_WARNING(LOG_TAG, "Unknown battery status '%s'\n", status); 67752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor ret = BATTERY_STATUS_UNKNOWN; 68752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 69752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 70752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return ret; 71752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 72752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 73752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorint BatteryMonitor::getBatteryHealth(const char* status) { 74752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor int ret; 75752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor struct sysfsStringEnumMap batteryHealthMap[] = { 76752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Unknown", BATTERY_HEALTH_UNKNOWN }, 77752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Good", BATTERY_HEALTH_GOOD }, 78752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Overheat", BATTERY_HEALTH_OVERHEAT }, 79752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Dead", BATTERY_HEALTH_DEAD }, 80752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Over voltage", BATTERY_HEALTH_OVER_VOLTAGE }, 81752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Unspecified failure", BATTERY_HEALTH_UNSPECIFIED_FAILURE }, 82752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Cold", BATTERY_HEALTH_COLD }, 83752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { NULL, 0 }, 84752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor }; 85752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 86752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor ret = mapSysfsString(status, batteryHealthMap); 87752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (ret < 0) { 88752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_WARNING(LOG_TAG, "Unknown battery health '%s'\n", status); 89752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor ret = BATTERY_HEALTH_UNKNOWN; 90752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 91752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 92752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return ret; 93752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 94752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 95752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorint BatteryMonitor::readFromFile(const String8& path, char* buf, size_t size) { 96752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor char *cp = NULL; 97752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 98752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (path.isEmpty()) 99752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return -1; 100752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor int fd = open(path.string(), O_RDONLY, 0); 101752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (fd == -1) { 102752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_ERROR(LOG_TAG, "Could not open '%s'\n", path.string()); 103752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return -1; 104752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 105752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 106752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor ssize_t count = TEMP_FAILURE_RETRY(read(fd, buf, size)); 107752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (count > 0) 108752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor cp = (char *)memrchr(buf, '\n', count); 109752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 110752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (cp) 111752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor *cp = '\0'; 112752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor else 113752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor buf[0] = '\0'; 114752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 115752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor close(fd); 116752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return count; 117752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 118752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 119752faf2c18407fd79127fb3f3773910b4ddf669dTodd PoynorBatteryMonitor::PowerSupplyType BatteryMonitor::readPowerSupplyType(const String8& path) { 120752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor const int SIZE = 128; 121752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor char buf[SIZE]; 122752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor int length = readFromFile(path, buf, SIZE); 123752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor BatteryMonitor::PowerSupplyType ret; 124752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor struct sysfsStringEnumMap supplyTypeMap[] = { 125752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Unknown", ANDROID_POWER_SUPPLY_TYPE_UNKNOWN }, 126752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Battery", ANDROID_POWER_SUPPLY_TYPE_BATTERY }, 127752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "UPS", ANDROID_POWER_SUPPLY_TYPE_AC }, 128752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Mains", ANDROID_POWER_SUPPLY_TYPE_AC }, 129752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "USB", ANDROID_POWER_SUPPLY_TYPE_USB }, 130752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "USB_DCP", ANDROID_POWER_SUPPLY_TYPE_AC }, 131752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "USB_CDP", ANDROID_POWER_SUPPLY_TYPE_AC }, 132752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "USB_ACA", ANDROID_POWER_SUPPLY_TYPE_AC }, 133752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Wireless", ANDROID_POWER_SUPPLY_TYPE_WIRELESS }, 134752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { NULL, 0 }, 135752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor }; 136752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 137752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (length <= 0) 138752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return ANDROID_POWER_SUPPLY_TYPE_UNKNOWN; 139752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 140752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor ret = (BatteryMonitor::PowerSupplyType)mapSysfsString(buf, supplyTypeMap); 141752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (ret < 0) 142752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor ret = ANDROID_POWER_SUPPLY_TYPE_UNKNOWN; 143752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 144752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return ret; 145752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 146752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 147752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorbool BatteryMonitor::getBooleanField(const String8& path) { 148752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor const int SIZE = 16; 149752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor char buf[SIZE]; 150752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 151752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor bool value = false; 152752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (readFromFile(path, buf, SIZE) > 0) { 153752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (buf[0] != '0') { 154752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor value = true; 155752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 156752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 157752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 158752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return value; 159752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 160752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 161752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorint BatteryMonitor::getIntField(const String8& path) { 162752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor const int SIZE = 128; 163752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor char buf[SIZE]; 164752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 165752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor int value = 0; 166752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (readFromFile(path, buf, SIZE) > 0) { 167752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor value = strtol(buf, NULL, 0); 168752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 169752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return value; 170752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 171752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 172752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorbool BatteryMonitor::update(void) { 173752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor struct BatteryProperties props; 17410b235e7436256da9adc827125645f141bd8fac9Todd Poynor bool logthis; 175752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 176752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.chargerAcOnline = false; 177752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.chargerUsbOnline = false; 178752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.chargerWirelessOnline = false; 179752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.batteryStatus = BATTERY_STATUS_UNKNOWN; 180752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.batteryHealth = BATTERY_HEALTH_UNKNOWN; 181b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor props.batteryCurrentNow = INT_MIN; 182b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor props.batteryChargeCounter = INT_MIN; 183752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 184752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (!mBatteryPresentPath.isEmpty()) 185752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.batteryPresent = getBooleanField(mBatteryPresentPath); 186752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor else 187752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.batteryPresent = true; 188752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 189752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.batteryLevel = getIntField(mBatteryCapacityPath); 190752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.batteryVoltage = getIntField(mBatteryVoltagePath) / 1000; 191b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor 192b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor if (!mBatteryCurrentNowPath.isEmpty()) 193b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor props.batteryCurrentNow = getIntField(mBatteryCurrentNowPath) / 1000; 194b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor 195b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor if (!mBatteryChargeCounterPath.isEmpty()) 196b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor props.batteryChargeCounter = getIntField(mBatteryChargeCounterPath) / 1000; 197b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor 198752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.batteryTemperature = getIntField(mBatteryTemperaturePath); 199752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 200752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor const int SIZE = 128; 201752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor char buf[SIZE]; 202752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor String8 btech; 203752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 204752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (readFromFile(mBatteryStatusPath, buf, SIZE) > 0) 205752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.batteryStatus = getBatteryStatus(buf); 206752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 207752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (readFromFile(mBatteryHealthPath, buf, SIZE) > 0) 208752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.batteryHealth = getBatteryHealth(buf); 209752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 210752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (readFromFile(mBatteryTechnologyPath, buf, SIZE) > 0) 211752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.batteryTechnology = String8(buf); 212752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 213752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor unsigned int i; 214752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 215752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor for (i = 0; i < mChargerNames.size(); i++) { 216752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor String8 path; 217752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH, 218752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mChargerNames[i].string()); 219752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 220752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (readFromFile(path, buf, SIZE) > 0) { 221752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (buf[0] != '0') { 222752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 223752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH, 224752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mChargerNames[i].string()); 225752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor switch(readPowerSupplyType(path)) { 226752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_AC: 227752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.chargerAcOnline = true; 228752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor break; 229752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_USB: 230752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.chargerUsbOnline = true; 231752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor break; 232752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_WIRELESS: 233752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.chargerWirelessOnline = true; 234752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor break; 235752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor default: 236752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_WARNING(LOG_TAG, "%s: Unknown power supply type\n", 237752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mChargerNames[i].string()); 238752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 239752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 240752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 241752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 242752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 24310b235e7436256da9adc827125645f141bd8fac9Todd Poynor logthis = !healthd_board_battery_update(&props); 244b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor 24510b235e7436256da9adc827125645f141bd8fac9Todd Poynor if (logthis) { 24610b235e7436256da9adc827125645f141bd8fac9Todd Poynor char dmesgline[256]; 24710b235e7436256da9adc827125645f141bd8fac9Todd Poynor snprintf(dmesgline, sizeof(dmesgline), 24810b235e7436256da9adc827125645f141bd8fac9Todd Poynor "battery l=%d v=%d t=%s%d.%d h=%d st=%d", 24910b235e7436256da9adc827125645f141bd8fac9Todd Poynor props.batteryLevel, props.batteryVoltage, 25010b235e7436256da9adc827125645f141bd8fac9Todd Poynor props.batteryTemperature < 0 ? "-" : "", 25110b235e7436256da9adc827125645f141bd8fac9Todd Poynor abs(props.batteryTemperature / 10), 25210b235e7436256da9adc827125645f141bd8fac9Todd Poynor abs(props.batteryTemperature % 10), props.batteryHealth, 25310b235e7436256da9adc827125645f141bd8fac9Todd Poynor props.batteryStatus); 254b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor 25510b235e7436256da9adc827125645f141bd8fac9Todd Poynor if (!mBatteryCurrentNowPath.isEmpty()) { 25610b235e7436256da9adc827125645f141bd8fac9Todd Poynor char b[20]; 25710b235e7436256da9adc827125645f141bd8fac9Todd Poynor 25810b235e7436256da9adc827125645f141bd8fac9Todd Poynor snprintf(b, sizeof(b), " c=%d", props.batteryCurrentNow); 25910b235e7436256da9adc827125645f141bd8fac9Todd Poynor strlcat(dmesgline, b, sizeof(dmesgline)); 26010b235e7436256da9adc827125645f141bd8fac9Todd Poynor } 261b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor 26210b235e7436256da9adc827125645f141bd8fac9Todd Poynor KLOG_INFO(LOG_TAG, "%s chg=%s%s%s\n", dmesgline, 26310b235e7436256da9adc827125645f141bd8fac9Todd Poynor props.chargerAcOnline ? "a" : "", 26410b235e7436256da9adc827125645f141bd8fac9Todd Poynor props.chargerUsbOnline ? "u" : "", 26510b235e7436256da9adc827125645f141bd8fac9Todd Poynor props.chargerWirelessOnline ? "w" : ""); 26610b235e7436256da9adc827125645f141bd8fac9Todd Poynor } 267752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 268752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (mBatteryPropertiesRegistrar != NULL) 269752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mBatteryPropertiesRegistrar->notifyListeners(props); 270752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 271752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return props.chargerAcOnline | props.chargerUsbOnline | 272752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.chargerWirelessOnline; 273752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 274752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 275752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorvoid BatteryMonitor::init(bool nosvcmgr) { 276752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor String8 path; 277752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 278752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor DIR* dir = opendir(POWER_SUPPLY_SYSFS_PATH); 279752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (dir == NULL) { 280752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_ERROR(LOG_TAG, "Could not open %s\n", POWER_SUPPLY_SYSFS_PATH); 281752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } else { 282752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor struct dirent* entry; 283752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 284752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor while ((entry = readdir(dir))) { 285752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor const char* name = entry->d_name; 286752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 287752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (!strcmp(name, ".") || !strcmp(name, "..")) 288752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor continue; 289752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 290752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor char buf[20]; 291752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor // Look for "type" file in each subdirectory 292752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 293752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH, name); 294752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor switch(readPowerSupplyType(path)) { 295752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_AC: 296752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_USB: 297752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_WIRELESS: 298752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 299752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH, name); 300752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (access(path.string(), R_OK) == 0) 301752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mChargerNames.add(String8(name)); 302752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor break; 303752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 304752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_BATTERY: 305752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 306752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/status", POWER_SUPPLY_SYSFS_PATH, name); 307752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (access(path, R_OK) == 0) 308752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mBatteryStatusPath = path; 309752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 310752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/health", POWER_SUPPLY_SYSFS_PATH, name); 311752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (access(path, R_OK) == 0) 312752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mBatteryHealthPath = path; 313752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 314752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/present", POWER_SUPPLY_SYSFS_PATH, name); 315752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (access(path, R_OK) == 0) 316752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mBatteryPresentPath = path; 317752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 318752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/capacity", POWER_SUPPLY_SYSFS_PATH, name); 319752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (access(path, R_OK) == 0) 320752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mBatteryCapacityPath = path; 321752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 322752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 323752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/voltage_now", POWER_SUPPLY_SYSFS_PATH, name); 324752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (access(path, R_OK) == 0) { 325752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mBatteryVoltagePath = path; 326752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } else { 327752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 328752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/batt_vol", POWER_SUPPLY_SYSFS_PATH, name); 329752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (access(path, R_OK) == 0) 330752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mBatteryVoltagePath = path; 331752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 332752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 333752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 334b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor path.appendFormat("%s/%s/current_now", POWER_SUPPLY_SYSFS_PATH, name); 335b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor if (access(path, R_OK) == 0) 336b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor mBatteryCurrentNowPath = path; 337b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor 338b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor path.clear(); 339b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor path.appendFormat("%s/%s/charge_counter", POWER_SUPPLY_SYSFS_PATH, name); 340b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor if (access(path, R_OK) == 0) 341b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor mBatteryChargeCounterPath = path; 342b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor 343b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor path.clear(); 344752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/temp", POWER_SUPPLY_SYSFS_PATH, name); 345752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (access(path, R_OK) == 0) { 346752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mBatteryTemperaturePath = path; 347752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } else { 348752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 349752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/batt_temp", POWER_SUPPLY_SYSFS_PATH, name); 350752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (access(path, R_OK) == 0) 351752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mBatteryTemperaturePath = path; 352752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 353752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 354752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 355752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/technology", POWER_SUPPLY_SYSFS_PATH, name); 356752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (access(path, R_OK) == 0) 357752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mBatteryTechnologyPath = path; 358752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor break; 359752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 360752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_UNKNOWN: 361752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor break; 362752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 363752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 364752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor closedir(dir); 365752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 366752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 367752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (!mChargerNames.size()) 368752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_ERROR(LOG_TAG, "No charger supplies found\n"); 369752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (mBatteryStatusPath.isEmpty()) 370752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_WARNING(LOG_TAG, "BatteryStatusPath not found\n"); 371752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (mBatteryHealthPath.isEmpty()) 372752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_WARNING("BatteryHealthPath not found\n"); 373752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (mBatteryPresentPath.isEmpty()) 374752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_WARNING(LOG_TAG, "BatteryPresentPath not found\n"); 375752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (mBatteryCapacityPath.isEmpty()) 376752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_WARNING(LOG_TAG, "BatteryCapacityPath not found\n"); 377752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (mBatteryVoltagePath.isEmpty()) 378752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_WARNING(LOG_TAG, "BatteryVoltagePath not found\n"); 379752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (mBatteryTemperaturePath.isEmpty()) 380752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_WARNING(LOG_TAG, "BatteryTemperaturePath not found\n"); 381752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (mBatteryTechnologyPath.isEmpty()) 382752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_WARNING(LOG_TAG, "BatteryTechnologyPath not found\n"); 383752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 384752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (nosvcmgr == false) { 385752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mBatteryPropertiesRegistrar = new BatteryPropertiesRegistrar(this); 386752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mBatteryPropertiesRegistrar->publish(); 387752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 388752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 389752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 390752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor}; // namespace android 391