BatteryMonitor.cpp revision 42a981ddee525c55cef40d5da987d0e3d5fa4b4c
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 22752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <dirent.h> 23752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <errno.h> 24752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <fcntl.h> 25752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <stdio.h> 26752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <stdlib.h> 27bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn#include <sys/types.h> 28752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <unistd.h> 29bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn 30752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <batteryservice/BatteryService.h> 31752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <cutils/klog.h> 323db03a5ab0cb7713529c298531be6da7c2193525Todd Poynor#include <cutils/properties.h> 33bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn#include <log/log_read.h> 34c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor#include <utils/Errors.h> 35752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <utils/String8.h> 36752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#include <utils/Vector.h> 37752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 38752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#define POWER_SUPPLY_SUBSYSTEM "power_supply" 39752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor#define POWER_SUPPLY_SYSFS_PATH "/sys/class/" POWER_SUPPLY_SUBSYSTEM 40a78fc23491f3490bec4e4ac72c4bdc8c6d554fe3Ruchi Kandoi#define FAKE_BATTERY_CAPACITY 42 41a78fc23491f3490bec4e4ac72c4bdc8c6d554fe3Ruchi Kandoi#define FAKE_BATTERY_TEMPERATURE 424 4242a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi#define ALWAYS_PLUGGED_CAPACITY 100 43752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 44752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynornamespace android { 45752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 46752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorstruct sysfsStringEnumMap { 476f5b47f9144960412b0fb6bc417f0c41bf53438aMark Salyzyn const char* s; 48752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor int val; 49752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor}; 50752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 51752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorstatic int mapSysfsString(const char* str, 52752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor struct sysfsStringEnumMap map[]) { 53752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor for (int i = 0; map[i].s; i++) 54752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (!strcmp(str, map[i].s)) 55752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return map[i].val; 56752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 57752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return -1; 58752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 59752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 60752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorint BatteryMonitor::getBatteryStatus(const char* status) { 61752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor int ret; 62752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor struct sysfsStringEnumMap batteryStatusMap[] = { 63752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Unknown", BATTERY_STATUS_UNKNOWN }, 64752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Charging", BATTERY_STATUS_CHARGING }, 65752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Discharging", BATTERY_STATUS_DISCHARGING }, 66752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Not charging", BATTERY_STATUS_NOT_CHARGING }, 67752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Full", BATTERY_STATUS_FULL }, 68752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { NULL, 0 }, 69752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor }; 70752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 71752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor ret = mapSysfsString(status, batteryStatusMap); 72752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (ret < 0) { 73752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_WARNING(LOG_TAG, "Unknown battery status '%s'\n", status); 74752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor ret = BATTERY_STATUS_UNKNOWN; 75752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 76752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 77752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return ret; 78752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 79752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 80752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorint BatteryMonitor::getBatteryHealth(const char* status) { 81752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor int ret; 82752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor struct sysfsStringEnumMap batteryHealthMap[] = { 83752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Unknown", BATTERY_HEALTH_UNKNOWN }, 84752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Good", BATTERY_HEALTH_GOOD }, 85752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Overheat", BATTERY_HEALTH_OVERHEAT }, 86752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Dead", BATTERY_HEALTH_DEAD }, 87752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Over voltage", BATTERY_HEALTH_OVER_VOLTAGE }, 88752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Unspecified failure", BATTERY_HEALTH_UNSPECIFIED_FAILURE }, 89752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Cold", BATTERY_HEALTH_COLD }, 90752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { NULL, 0 }, 91752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor }; 92752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 93752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor ret = mapSysfsString(status, batteryHealthMap); 94752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (ret < 0) { 95752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_WARNING(LOG_TAG, "Unknown battery health '%s'\n", status); 96752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor ret = BATTERY_HEALTH_UNKNOWN; 97752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 98752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 99752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return ret; 100752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 101752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 102752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorint BatteryMonitor::readFromFile(const String8& path, char* buf, size_t size) { 103752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor char *cp = NULL; 104752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 105752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (path.isEmpty()) 106752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return -1; 107752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor int fd = open(path.string(), O_RDONLY, 0); 108752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (fd == -1) { 109752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_ERROR(LOG_TAG, "Could not open '%s'\n", path.string()); 110752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return -1; 111752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 112752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 113752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor ssize_t count = TEMP_FAILURE_RETRY(read(fd, buf, size)); 114752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (count > 0) 115752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor cp = (char *)memrchr(buf, '\n', count); 116752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 117752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (cp) 118752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor *cp = '\0'; 119752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor else 120752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor buf[0] = '\0'; 121752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 122752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor close(fd); 123752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return count; 124752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 125752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 126752faf2c18407fd79127fb3f3773910b4ddf669dTodd PoynorBatteryMonitor::PowerSupplyType BatteryMonitor::readPowerSupplyType(const String8& path) { 127752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor const int SIZE = 128; 128752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor char buf[SIZE]; 129752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor int length = readFromFile(path, buf, SIZE); 130752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor BatteryMonitor::PowerSupplyType ret; 131752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor struct sysfsStringEnumMap supplyTypeMap[] = { 132752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Unknown", ANDROID_POWER_SUPPLY_TYPE_UNKNOWN }, 133752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Battery", ANDROID_POWER_SUPPLY_TYPE_BATTERY }, 134752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "UPS", ANDROID_POWER_SUPPLY_TYPE_AC }, 135752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Mains", ANDROID_POWER_SUPPLY_TYPE_AC }, 136752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "USB", ANDROID_POWER_SUPPLY_TYPE_USB }, 137752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "USB_DCP", ANDROID_POWER_SUPPLY_TYPE_AC }, 138752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "USB_CDP", ANDROID_POWER_SUPPLY_TYPE_AC }, 139752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "USB_ACA", ANDROID_POWER_SUPPLY_TYPE_AC }, 140752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { "Wireless", ANDROID_POWER_SUPPLY_TYPE_WIRELESS }, 141752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor { NULL, 0 }, 142752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor }; 143752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 144752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (length <= 0) 145752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return ANDROID_POWER_SUPPLY_TYPE_UNKNOWN; 146752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 147752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor ret = (BatteryMonitor::PowerSupplyType)mapSysfsString(buf, supplyTypeMap); 148752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (ret < 0) 149752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor ret = ANDROID_POWER_SUPPLY_TYPE_UNKNOWN; 150752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 151752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return ret; 152752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 153752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 154752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorbool BatteryMonitor::getBooleanField(const String8& path) { 155752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor const int SIZE = 16; 156752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor char buf[SIZE]; 157752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 158752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor bool value = false; 159752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (readFromFile(path, buf, SIZE) > 0) { 160752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (buf[0] != '0') { 161752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor value = true; 162752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 163752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 164752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 165752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return value; 166752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 167752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 168752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorint BatteryMonitor::getIntField(const String8& path) { 169752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor const int SIZE = 128; 170752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor char buf[SIZE]; 171752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 172752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor int value = 0; 173752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (readFromFile(path, buf, SIZE) > 0) { 174752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor value = strtol(buf, NULL, 0); 175752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 176752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return value; 177752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 178752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 179752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynorbool BatteryMonitor::update(void) { 18010b235e7436256da9adc827125645f141bd8fac9Todd Poynor bool logthis; 181752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 182752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.chargerAcOnline = false; 183752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.chargerUsbOnline = false; 184752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.chargerWirelessOnline = false; 185752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.batteryStatus = BATTERY_STATUS_UNKNOWN; 186752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.batteryHealth = BATTERY_HEALTH_UNKNOWN; 187d5fe6675a73c3a831d0c4e41343ee86772633db8Adrian Roos props.maxChargingCurrent = 0; 188752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 189f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (!mHealthdConfig->batteryPresentPath.isEmpty()) 190f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor props.batteryPresent = getBooleanField(mHealthdConfig->batteryPresentPath); 191752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor else 1926dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor props.batteryPresent = mBatteryDevicePresent; 193752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 1943db03a5ab0cb7713529c298531be6da7c2193525Todd Poynor props.batteryLevel = mBatteryFixedCapacity ? 1953db03a5ab0cb7713529c298531be6da7c2193525Todd Poynor mBatteryFixedCapacity : 1963db03a5ab0cb7713529c298531be6da7c2193525Todd Poynor getIntField(mHealthdConfig->batteryCapacityPath); 197f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor props.batteryVoltage = getIntField(mHealthdConfig->batteryVoltagePath) / 1000; 198b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor 1993db03a5ab0cb7713529c298531be6da7c2193525Todd Poynor props.batteryTemperature = mBatteryFixedTemperature ? 2003db03a5ab0cb7713529c298531be6da7c2193525Todd Poynor mBatteryFixedTemperature : 2013db03a5ab0cb7713529c298531be6da7c2193525Todd Poynor getIntField(mHealthdConfig->batteryTemperaturePath); 202752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 20342a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi // For devices which do not have battery and are always plugged 20442a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi // into power souce. 20542a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi if (mAlwaysPluggedDevice) { 20642a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi props.chargerAcOnline = true; 20742a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi props.batteryPresent = true; 20842a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi props.batteryStatus = BATTERY_STATUS_CHARGING; 20942a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi props.batteryHealth = BATTERY_HEALTH_GOOD; 21042a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi } 21142a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi 212752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor const int SIZE = 128; 213752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor char buf[SIZE]; 214752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor String8 btech; 215752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 216f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (readFromFile(mHealthdConfig->batteryStatusPath, buf, SIZE) > 0) 217752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.batteryStatus = getBatteryStatus(buf); 218752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 219f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (readFromFile(mHealthdConfig->batteryHealthPath, buf, SIZE) > 0) 220752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.batteryHealth = getBatteryHealth(buf); 221752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 222f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (readFromFile(mHealthdConfig->batteryTechnologyPath, buf, SIZE) > 0) 223752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.batteryTechnology = String8(buf); 224752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 225752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor unsigned int i; 226752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 227752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor for (i = 0; i < mChargerNames.size(); i++) { 228752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor String8 path; 229752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH, 230752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mChargerNames[i].string()); 231752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 232752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (readFromFile(path, buf, SIZE) > 0) { 233752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (buf[0] != '0') { 234752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 235752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH, 236752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mChargerNames[i].string()); 237752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor switch(readPowerSupplyType(path)) { 238752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_AC: 239752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.chargerAcOnline = true; 240752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor break; 241752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_USB: 242752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.chargerUsbOnline = true; 243752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor break; 244752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_WIRELESS: 245752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.chargerWirelessOnline = true; 246752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor break; 247752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor default: 248752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_WARNING(LOG_TAG, "%s: Unknown power supply type\n", 249752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mChargerNames[i].string()); 250752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 251d5fe6675a73c3a831d0c4e41343ee86772633db8Adrian Roos path.clear(); 252d5fe6675a73c3a831d0c4e41343ee86772633db8Adrian Roos path.appendFormat("%s/%s/current_max", POWER_SUPPLY_SYSFS_PATH, 253d5fe6675a73c3a831d0c4e41343ee86772633db8Adrian Roos mChargerNames[i].string()); 254d5fe6675a73c3a831d0c4e41343ee86772633db8Adrian Roos if (access(path.string(), R_OK) == 0) { 255d5fe6675a73c3a831d0c4e41343ee86772633db8Adrian Roos int maxChargingCurrent = getIntField(path); 256d5fe6675a73c3a831d0c4e41343ee86772633db8Adrian Roos if (props.maxChargingCurrent < maxChargingCurrent) { 257d5fe6675a73c3a831d0c4e41343ee86772633db8Adrian Roos props.maxChargingCurrent = maxChargingCurrent; 258d5fe6675a73c3a831d0c4e41343ee86772633db8Adrian Roos } 259d5fe6675a73c3a831d0c4e41343ee86772633db8Adrian Roos } 260752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 261752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 262752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 263752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 26410b235e7436256da9adc827125645f141bd8fac9Todd Poynor logthis = !healthd_board_battery_update(&props); 265b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor 26610b235e7436256da9adc827125645f141bd8fac9Todd Poynor if (logthis) { 26710b235e7436256da9adc827125645f141bd8fac9Todd Poynor char dmesgline[256]; 2686dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor 269c15e9934675d2f6b8dc19f042e6d045415e79359Todd Poynor if (props.batteryPresent) { 2706dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor snprintf(dmesgline, sizeof(dmesgline), 27110b235e7436256da9adc827125645f141bd8fac9Todd Poynor "battery l=%d v=%d t=%s%d.%d h=%d st=%d", 27210b235e7436256da9adc827125645f141bd8fac9Todd Poynor props.batteryLevel, props.batteryVoltage, 27310b235e7436256da9adc827125645f141bd8fac9Todd Poynor props.batteryTemperature < 0 ? "-" : "", 27410b235e7436256da9adc827125645f141bd8fac9Todd Poynor abs(props.batteryTemperature / 10), 27510b235e7436256da9adc827125645f141bd8fac9Todd Poynor abs(props.batteryTemperature % 10), props.batteryHealth, 27610b235e7436256da9adc827125645f141bd8fac9Todd Poynor props.batteryStatus); 277b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor 278c15e9934675d2f6b8dc19f042e6d045415e79359Todd Poynor if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) { 279c15e9934675d2f6b8dc19f042e6d045415e79359Todd Poynor int c = getIntField(mHealthdConfig->batteryCurrentNowPath); 280c15e9934675d2f6b8dc19f042e6d045415e79359Todd Poynor char b[20]; 28110b235e7436256da9adc827125645f141bd8fac9Todd Poynor 282c15e9934675d2f6b8dc19f042e6d045415e79359Todd Poynor snprintf(b, sizeof(b), " c=%d", c / 1000); 283c15e9934675d2f6b8dc19f042e6d045415e79359Todd Poynor strlcat(dmesgline, b, sizeof(dmesgline)); 284c15e9934675d2f6b8dc19f042e6d045415e79359Todd Poynor } 285c15e9934675d2f6b8dc19f042e6d045415e79359Todd Poynor } else { 286c15e9934675d2f6b8dc19f042e6d045415e79359Todd Poynor snprintf(dmesgline, sizeof(dmesgline), 287c15e9934675d2f6b8dc19f042e6d045415e79359Todd Poynor "battery none"); 28810b235e7436256da9adc827125645f141bd8fac9Todd Poynor } 289b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor 290bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn size_t len = strlen(dmesgline); 291bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn snprintf(dmesgline + len, sizeof(dmesgline) - len, " chg=%s%s%s", 292bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn props.chargerAcOnline ? "a" : "", 293bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn props.chargerUsbOnline ? "u" : "", 294bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn props.chargerWirelessOnline ? "w" : ""); 295bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn 296bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn log_time realtime(CLOCK_REALTIME); 297bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn time_t t = realtime.tv_sec; 298bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn struct tm *tmp = gmtime(&t); 299bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn if (tmp) { 300bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn static const char fmt[] = " %Y-%m-%d %H:%M:%S.XXXXXXXXX UTC"; 301bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn len = strlen(dmesgline); 302bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn if ((len < (sizeof(dmesgline) - sizeof(fmt) - 8)) // margin 303bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn && strftime(dmesgline + len, sizeof(dmesgline) - len, 304bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn fmt, tmp)) { 305bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn char *usec = strchr(dmesgline + len, 'X'); 306bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn if (usec) { 307bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn len = usec - dmesgline; 308bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn snprintf(dmesgline + len, sizeof(dmesgline) - len, 309bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn "%09u", realtime.tv_nsec); 310bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn usec[9] = ' '; 311bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn } 312bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn } 313bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn } 314bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn 315bc193c53ecc740d0ac3de976c6654b90a24669b6Mark Salyzyn KLOG_WARNING(LOG_TAG, "%s\n", dmesgline); 31610b235e7436256da9adc827125645f141bd8fac9Todd Poynor } 317752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 318c7464c9150eb63ad277cc5b5f704f4fd5e6678c5Todd Poynor healthd_mode_ops->battery_update(&props); 319752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor return props.chargerAcOnline | props.chargerUsbOnline | 320752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor props.chargerWirelessOnline; 321752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 322752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 323c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynorstatus_t BatteryMonitor::getProperty(int id, struct BatteryProperty *val) { 324c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor status_t ret = BAD_VALUE; 325c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor 3268f132af495d208272ea55d0ca24068926fa80e51Todd Poynor val->valueInt64 = LONG_MIN; 3278f132af495d208272ea55d0ca24068926fa80e51Todd Poynor 328c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor switch(id) { 329c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor case BATTERY_PROP_CHARGE_COUNTER: 330c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor if (!mHealthdConfig->batteryChargeCounterPath.isEmpty()) { 3318f132af495d208272ea55d0ca24068926fa80e51Todd Poynor val->valueInt64 = 332c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor getIntField(mHealthdConfig->batteryChargeCounterPath); 333c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor ret = NO_ERROR; 334c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor } else { 335c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor ret = NAME_NOT_FOUND; 336c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor } 337c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor break; 338c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor 339c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor case BATTERY_PROP_CURRENT_NOW: 340c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) { 3418f132af495d208272ea55d0ca24068926fa80e51Todd Poynor val->valueInt64 = 342c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor getIntField(mHealthdConfig->batteryCurrentNowPath); 343c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor ret = NO_ERROR; 344c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor } else { 345c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor ret = NAME_NOT_FOUND; 346c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor } 347c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor break; 348c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor 349bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor case BATTERY_PROP_CURRENT_AVG: 350bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor if (!mHealthdConfig->batteryCurrentAvgPath.isEmpty()) { 3518f132af495d208272ea55d0ca24068926fa80e51Todd Poynor val->valueInt64 = 352bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor getIntField(mHealthdConfig->batteryCurrentAvgPath); 353bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor ret = NO_ERROR; 354bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor } else { 355bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor ret = NAME_NOT_FOUND; 356bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor } 357bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor break; 358bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor 359347c8de285454af2d3cba3d9b43d3bf23b20babbPaul Lawrence case BATTERY_PROP_CAPACITY: 360347c8de285454af2d3cba3d9b43d3bf23b20babbPaul Lawrence if (!mHealthdConfig->batteryCapacityPath.isEmpty()) { 3618f132af495d208272ea55d0ca24068926fa80e51Todd Poynor val->valueInt64 = 362347c8de285454af2d3cba3d9b43d3bf23b20babbPaul Lawrence getIntField(mHealthdConfig->batteryCapacityPath); 363347c8de285454af2d3cba3d9b43d3bf23b20babbPaul Lawrence ret = NO_ERROR; 364347c8de285454af2d3cba3d9b43d3bf23b20babbPaul Lawrence } else { 365347c8de285454af2d3cba3d9b43d3bf23b20babbPaul Lawrence ret = NAME_NOT_FOUND; 366347c8de285454af2d3cba3d9b43d3bf23b20babbPaul Lawrence } 367347c8de285454af2d3cba3d9b43d3bf23b20babbPaul Lawrence break; 368347c8de285454af2d3cba3d9b43d3bf23b20babbPaul Lawrence 3698f132af495d208272ea55d0ca24068926fa80e51Todd Poynor case BATTERY_PROP_ENERGY_COUNTER: 370e14b37eb07b394fef05da5ee09dc6d33e3a25711Todd Poynor if (mHealthdConfig->energyCounter) { 371e14b37eb07b394fef05da5ee09dc6d33e3a25711Todd Poynor ret = mHealthdConfig->energyCounter(&val->valueInt64); 372e14b37eb07b394fef05da5ee09dc6d33e3a25711Todd Poynor } else { 373e14b37eb07b394fef05da5ee09dc6d33e3a25711Todd Poynor ret = NAME_NOT_FOUND; 374e14b37eb07b394fef05da5ee09dc6d33e3a25711Todd Poynor } 3758f132af495d208272ea55d0ca24068926fa80e51Todd Poynor break; 3768f132af495d208272ea55d0ca24068926fa80e51Todd Poynor 377c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor default: 378c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor break; 379c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor } 380c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor 381c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor return ret; 382c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor} 383c133b7198a02c8738aeef86d6cfd921a626adce7Todd Poynor 384020369d8724eff2b87350e54e157a609846166e4Todd Poynorvoid BatteryMonitor::dumpState(int fd) { 385020369d8724eff2b87350e54e157a609846166e4Todd Poynor int v; 386020369d8724eff2b87350e54e157a609846166e4Todd Poynor char vs[128]; 387020369d8724eff2b87350e54e157a609846166e4Todd Poynor 388d5fe6675a73c3a831d0c4e41343ee86772633db8Adrian Roos snprintf(vs, sizeof(vs), "ac: %d usb: %d wireless: %d current_max: %d\n", 389020369d8724eff2b87350e54e157a609846166e4Todd Poynor props.chargerAcOnline, props.chargerUsbOnline, 390d5fe6675a73c3a831d0c4e41343ee86772633db8Adrian Roos props.chargerWirelessOnline, props.maxChargingCurrent); 391020369d8724eff2b87350e54e157a609846166e4Todd Poynor write(fd, vs, strlen(vs)); 392020369d8724eff2b87350e54e157a609846166e4Todd Poynor snprintf(vs, sizeof(vs), "status: %d health: %d present: %d\n", 393020369d8724eff2b87350e54e157a609846166e4Todd Poynor props.batteryStatus, props.batteryHealth, props.batteryPresent); 394020369d8724eff2b87350e54e157a609846166e4Todd Poynor write(fd, vs, strlen(vs)); 395020369d8724eff2b87350e54e157a609846166e4Todd Poynor snprintf(vs, sizeof(vs), "level: %d voltage: %d temp: %d\n", 396020369d8724eff2b87350e54e157a609846166e4Todd Poynor props.batteryLevel, props.batteryVoltage, 397020369d8724eff2b87350e54e157a609846166e4Todd Poynor props.batteryTemperature); 398020369d8724eff2b87350e54e157a609846166e4Todd Poynor write(fd, vs, strlen(vs)); 399020369d8724eff2b87350e54e157a609846166e4Todd Poynor 400020369d8724eff2b87350e54e157a609846166e4Todd Poynor if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) { 401020369d8724eff2b87350e54e157a609846166e4Todd Poynor v = getIntField(mHealthdConfig->batteryCurrentNowPath); 402020369d8724eff2b87350e54e157a609846166e4Todd Poynor snprintf(vs, sizeof(vs), "current now: %d\n", v); 403020369d8724eff2b87350e54e157a609846166e4Todd Poynor write(fd, vs, strlen(vs)); 404020369d8724eff2b87350e54e157a609846166e4Todd Poynor } 405020369d8724eff2b87350e54e157a609846166e4Todd Poynor 406020369d8724eff2b87350e54e157a609846166e4Todd Poynor if (!mHealthdConfig->batteryCurrentAvgPath.isEmpty()) { 407020369d8724eff2b87350e54e157a609846166e4Todd Poynor v = getIntField(mHealthdConfig->batteryCurrentAvgPath); 408020369d8724eff2b87350e54e157a609846166e4Todd Poynor snprintf(vs, sizeof(vs), "current avg: %d\n", v); 409020369d8724eff2b87350e54e157a609846166e4Todd Poynor write(fd, vs, strlen(vs)); 410020369d8724eff2b87350e54e157a609846166e4Todd Poynor } 411020369d8724eff2b87350e54e157a609846166e4Todd Poynor 412020369d8724eff2b87350e54e157a609846166e4Todd Poynor if (!mHealthdConfig->batteryChargeCounterPath.isEmpty()) { 413020369d8724eff2b87350e54e157a609846166e4Todd Poynor v = getIntField(mHealthdConfig->batteryChargeCounterPath); 414020369d8724eff2b87350e54e157a609846166e4Todd Poynor snprintf(vs, sizeof(vs), "charge counter: %d\n", v); 415020369d8724eff2b87350e54e157a609846166e4Todd Poynor write(fd, vs, strlen(vs)); 416020369d8724eff2b87350e54e157a609846166e4Todd Poynor } 417020369d8724eff2b87350e54e157a609846166e4Todd Poynor} 418020369d8724eff2b87350e54e157a609846166e4Todd Poynor 419c7464c9150eb63ad277cc5b5f704f4fd5e6678c5Todd Poynorvoid BatteryMonitor::init(struct healthd_config *hc) { 420752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor String8 path; 4213db03a5ab0cb7713529c298531be6da7c2193525Todd Poynor char pval[PROPERTY_VALUE_MAX]; 422752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 423f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor mHealthdConfig = hc; 424752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor DIR* dir = opendir(POWER_SUPPLY_SYSFS_PATH); 425752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (dir == NULL) { 426752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_ERROR(LOG_TAG, "Could not open %s\n", POWER_SUPPLY_SYSFS_PATH); 427752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } else { 428752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor struct dirent* entry; 429752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 430752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor while ((entry = readdir(dir))) { 431752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor const char* name = entry->d_name; 432752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 433752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (!strcmp(name, ".") || !strcmp(name, "..")) 434752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor continue; 435752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 436752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor // Look for "type" file in each subdirectory 437752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 438752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH, name); 439752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor switch(readPowerSupplyType(path)) { 440752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_AC: 441752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_USB: 442752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_WIRELESS: 443752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 444752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH, name); 445752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (access(path.string(), R_OK) == 0) 446752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor mChargerNames.add(String8(name)); 447752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor break; 448752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 449752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_BATTERY: 4506dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor mBatteryDevicePresent = true; 4516dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor 452f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (mHealthdConfig->batteryStatusPath.isEmpty()) { 453f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.clear(); 454f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.appendFormat("%s/%s/status", POWER_SUPPLY_SYSFS_PATH, 455f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor name); 456f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (access(path, R_OK) == 0) 457f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor mHealthdConfig->batteryStatusPath = path; 458f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor } 459752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 460f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (mHealthdConfig->batteryHealthPath.isEmpty()) { 461752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 462f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.appendFormat("%s/%s/health", POWER_SUPPLY_SYSFS_PATH, 463f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor name); 464752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (access(path, R_OK) == 0) 465f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor mHealthdConfig->batteryHealthPath = path; 466752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 467752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 468f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (mHealthdConfig->batteryPresentPath.isEmpty()) { 469f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.clear(); 470f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.appendFormat("%s/%s/present", POWER_SUPPLY_SYSFS_PATH, 471f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor name); 472f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (access(path, R_OK) == 0) 473f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor mHealthdConfig->batteryPresentPath = path; 474f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor } 475b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor 476f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (mHealthdConfig->batteryCapacityPath.isEmpty()) { 477f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.clear(); 478f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.appendFormat("%s/%s/capacity", POWER_SUPPLY_SYSFS_PATH, 479f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor name); 480f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (access(path, R_OK) == 0) 481f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor mHealthdConfig->batteryCapacityPath = path; 482f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor } 483b45f1f5bd00c9a8380960d7c439eb14b3a334f50Todd Poynor 484f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (mHealthdConfig->batteryVoltagePath.isEmpty()) { 485f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.clear(); 486f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.appendFormat("%s/%s/voltage_now", 487f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor POWER_SUPPLY_SYSFS_PATH, name); 488f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (access(path, R_OK) == 0) { 489f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor mHealthdConfig->batteryVoltagePath = path; 490f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor } else { 491f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.clear(); 492f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.appendFormat("%s/%s/batt_vol", 493f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor POWER_SUPPLY_SYSFS_PATH, name); 494f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (access(path, R_OK) == 0) 495f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor mHealthdConfig->batteryVoltagePath = path; 496f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor } 497f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor } 498f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor 499f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (mHealthdConfig->batteryCurrentNowPath.isEmpty()) { 500752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor path.clear(); 501f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.appendFormat("%s/%s/current_now", 502f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor POWER_SUPPLY_SYSFS_PATH, name); 503752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor if (access(path, R_OK) == 0) 504f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor mHealthdConfig->batteryCurrentNowPath = path; 505f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor } 506f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor 507bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor if (mHealthdConfig->batteryCurrentAvgPath.isEmpty()) { 508bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor path.clear(); 509bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor path.appendFormat("%s/%s/current_avg", 510bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor POWER_SUPPLY_SYSFS_PATH, name); 511bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor if (access(path, R_OK) == 0) 512bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor mHealthdConfig->batteryCurrentAvgPath = path; 513bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor } 514bc102111845a48f79a4cf6ea058a0ca334cd613cTodd Poynor 515f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (mHealthdConfig->batteryChargeCounterPath.isEmpty()) { 516f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.clear(); 517f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.appendFormat("%s/%s/charge_counter", 518f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor POWER_SUPPLY_SYSFS_PATH, name); 519f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (access(path, R_OK) == 0) 520f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor mHealthdConfig->batteryChargeCounterPath = path; 521f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor } 522f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor 523f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (mHealthdConfig->batteryTemperaturePath.isEmpty()) { 524f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.clear(); 525f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.appendFormat("%s/%s/temp", POWER_SUPPLY_SYSFS_PATH, 526f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor name); 527f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (access(path, R_OK) == 0) { 528f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor mHealthdConfig->batteryTemperaturePath = path; 529f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor } else { 530f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.clear(); 531f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.appendFormat("%s/%s/batt_temp", 532f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor POWER_SUPPLY_SYSFS_PATH, name); 533f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (access(path, R_OK) == 0) 534f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor mHealthdConfig->batteryTemperaturePath = path; 535f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor } 536f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor } 537f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor 538f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (mHealthdConfig->batteryTechnologyPath.isEmpty()) { 539f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.clear(); 540f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor path.appendFormat("%s/%s/technology", 541f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor POWER_SUPPLY_SYSFS_PATH, name); 542f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor if (access(path, R_OK) == 0) 543f5d3012d2c6ac343a0b8bcc95b9cd5137d9ef02fTodd Poynor mHealthdConfig->batteryTechnologyPath = path; 544752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 545752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 546752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor break; 547752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 548752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor case ANDROID_POWER_SUPPLY_TYPE_UNKNOWN: 549752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor break; 550752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 551752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 552752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor closedir(dir); 553752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor } 554752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 55542a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi // This indicates that there is no charger driver registered. 55642a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi // Typically the case for devices which do not have a battery and 55742a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi // and are always plugged into AC mains. 55842a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi if (!mChargerNames.size()) { 559752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor KLOG_ERROR(LOG_TAG, "No charger supplies found\n"); 56042a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi mBatteryFixedCapacity = ALWAYS_PLUGGED_CAPACITY; 56142a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi mBatteryFixedTemperature = FAKE_BATTERY_TEMPERATURE; 56242a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi mAlwaysPluggedDevice = true; 56342a981ddee525c55cef40d5da987d0e3d5fa4b4cRuchi Kandoi } 5646dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor if (!mBatteryDevicePresent) { 565ebeb0c0ea63af9fd8b2c8a7a20f919e48098ad9aTodd Poynor KLOG_WARNING(LOG_TAG, "No battery devices found\n"); 5666dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor hc->periodic_chores_interval_fast = -1; 5676dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor hc->periodic_chores_interval_slow = -1; 5686dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor } else { 5696dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor if (mHealthdConfig->batteryStatusPath.isEmpty()) 5706dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor KLOG_WARNING(LOG_TAG, "BatteryStatusPath not found\n"); 5716dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor if (mHealthdConfig->batteryHealthPath.isEmpty()) 5726dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor KLOG_WARNING(LOG_TAG, "BatteryHealthPath not found\n"); 5736dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor if (mHealthdConfig->batteryPresentPath.isEmpty()) 5746dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor KLOG_WARNING(LOG_TAG, "BatteryPresentPath not found\n"); 5756dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor if (mHealthdConfig->batteryCapacityPath.isEmpty()) 5766dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor KLOG_WARNING(LOG_TAG, "BatteryCapacityPath not found\n"); 5776dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor if (mHealthdConfig->batteryVoltagePath.isEmpty()) 5786dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor KLOG_WARNING(LOG_TAG, "BatteryVoltagePath not found\n"); 5796dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor if (mHealthdConfig->batteryTemperaturePath.isEmpty()) 5806dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor KLOG_WARNING(LOG_TAG, "BatteryTemperaturePath not found\n"); 5816dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor if (mHealthdConfig->batteryTechnologyPath.isEmpty()) 5826dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor KLOG_WARNING(LOG_TAG, "BatteryTechnologyPath not found\n"); 5836dcc45ed6dd455d82ecfb3addf247125846f3019Todd Poynor } 5843db03a5ab0cb7713529c298531be6da7c2193525Todd Poynor 585a78fc23491f3490bec4e4ac72c4bdc8c6d554fe3Ruchi Kandoi if (property_get("ro.boot.fake_battery", pval, NULL) > 0 586a78fc23491f3490bec4e4ac72c4bdc8c6d554fe3Ruchi Kandoi && strtol(pval, NULL, 10) != 0) { 587a78fc23491f3490bec4e4ac72c4bdc8c6d554fe3Ruchi Kandoi mBatteryFixedCapacity = FAKE_BATTERY_CAPACITY; 588a78fc23491f3490bec4e4ac72c4bdc8c6d554fe3Ruchi Kandoi mBatteryFixedTemperature = FAKE_BATTERY_TEMPERATURE; 589a78fc23491f3490bec4e4ac72c4bdc8c6d554fe3Ruchi Kandoi } 590752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor} 591752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor 592752faf2c18407fd79127fb3f3773910b4ddf669dTodd Poynor}; // namespace android 593