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platform_system_core/healthd/BatteryMonitor.cpp
Yifan Hong 605e7d20ee BatteryMonitor: Add helper of logValues() 
... that logs values for an arbitrary health info and
health config.

This allows health 2.1 HAL implementation to log the
updated health info struct, which is not stored in
BatteryMonitor.

Test: healthd kernel log has correct values
Bug: 179326883
Change-Id: I394ef3f317229f94f4db82de5635d9380c183394
2021-02-08 15:22:28 -08:00

739 lines
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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "healthd"
#include <healthd/healthd.h>
#include <healthd/BatteryMonitor.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <algorithm>
#include <memory>
#include <optional>
#include <android-base/file.h>
#include <android-base/parseint.h>
#include <android-base/strings.h>
#include <android/hardware/health/2.1/types.h>
#include <batteryservice/BatteryService.h>
#include <cutils/klog.h>
#include <cutils/properties.h>
#include <utils/Errors.h>
#include <utils/String8.h>
#include <utils/Vector.h>
#define POWER_SUPPLY_SUBSYSTEM "power_supply"
#define POWER_SUPPLY_SYSFS_PATH "/sys/class/" POWER_SUPPLY_SUBSYSTEM
#define FAKE_BATTERY_CAPACITY 42
#define FAKE_BATTERY_TEMPERATURE 424
#define MILLION 1.0e6
#define DEFAULT_VBUS_VOLTAGE 5000000
using HealthInfo_1_0 = android::hardware::health::V1_0::HealthInfo;
using HealthInfo_2_0 = android::hardware::health::V2_0::HealthInfo;
using HealthInfo_2_1 = android::hardware::health::V2_1::HealthInfo;
using android::hardware::health::V1_0::BatteryHealth;
using android::hardware::health::V1_0::BatteryStatus;
using android::hardware::health::V2_1::BatteryCapacityLevel;
using android::hardware::health::V2_1::Constants;
namespace android {
template <typename T>
struct SysfsStringEnumMap {
const char* s;
T val;
};
template <typename T>
static std::optional<T> mapSysfsString(const char* str, SysfsStringEnumMap<T> map[]) {
for (int i = 0; map[i].s; i++)
if (!strcmp(str, map[i].s))
return map[i].val;
return std::nullopt;
}
static void initHealthInfo(HealthInfo_2_1* health_info_2_1) {
*health_info_2_1 = HealthInfo_2_1{};
// HIDL enum values are zero initialized, so they need to be initialized
// properly.
health_info_2_1->batteryCapacityLevel = BatteryCapacityLevel::UNSUPPORTED;
health_info_2_1->batteryChargeTimeToFullNowSeconds =
(int64_t)Constants::BATTERY_CHARGE_TIME_TO_FULL_NOW_SECONDS_UNSUPPORTED;
auto* props = &health_info_2_1->legacy.legacy;
props->batteryStatus = BatteryStatus::UNKNOWN;
props->batteryHealth = BatteryHealth::UNKNOWN;
}
BatteryMonitor::BatteryMonitor()
: mHealthdConfig(nullptr),
mBatteryDevicePresent(false),
mBatteryFixedCapacity(0),
mBatteryFixedTemperature(0),
mHealthInfo(std::make_unique<HealthInfo_2_1>()) {
initHealthInfo(mHealthInfo.get());
}
BatteryMonitor::~BatteryMonitor() {}
const HealthInfo_1_0& BatteryMonitor::getHealthInfo_1_0() const {
return getHealthInfo_2_0().legacy;
}
const HealthInfo_2_0& BatteryMonitor::getHealthInfo_2_0() const {
return getHealthInfo_2_1().legacy;
}
const HealthInfo_2_1& BatteryMonitor::getHealthInfo_2_1() const {
return *mHealthInfo;
}
BatteryStatus getBatteryStatus(const char* status) {
static SysfsStringEnumMap<BatteryStatus> batteryStatusMap[] = {
{"Unknown", BatteryStatus::UNKNOWN},
{"Charging", BatteryStatus::CHARGING},
{"Discharging", BatteryStatus::DISCHARGING},
{"Not charging", BatteryStatus::NOT_CHARGING},
{"Full", BatteryStatus::FULL},
{NULL, BatteryStatus::UNKNOWN},
};
auto ret = mapSysfsString(status, batteryStatusMap);
if (!ret) {
KLOG_WARNING(LOG_TAG, "Unknown battery status '%s'\n", status);
*ret = BatteryStatus::UNKNOWN;
}
return *ret;
}
BatteryCapacityLevel getBatteryCapacityLevel(const char* capacityLevel) {
static SysfsStringEnumMap<BatteryCapacityLevel> batteryCapacityLevelMap[] = {
{"Unknown", BatteryCapacityLevel::UNKNOWN},
{"Critical", BatteryCapacityLevel::CRITICAL},
{"Low", BatteryCapacityLevel::LOW},
{"Normal", BatteryCapacityLevel::NORMAL},
{"High", BatteryCapacityLevel::HIGH},
{"Full", BatteryCapacityLevel::FULL},
{NULL, BatteryCapacityLevel::UNSUPPORTED},
};
auto ret = mapSysfsString(capacityLevel, batteryCapacityLevelMap);
if (!ret) {
KLOG_WARNING(LOG_TAG, "Unsupported battery capacity level '%s'\n", capacityLevel);
*ret = BatteryCapacityLevel::UNSUPPORTED;
}
return *ret;
}
BatteryHealth getBatteryHealth(const char* status) {
static SysfsStringEnumMap<BatteryHealth> batteryHealthMap[] = {
{"Unknown", BatteryHealth::UNKNOWN},
{"Good", BatteryHealth::GOOD},
{"Overheat", BatteryHealth::OVERHEAT},
{"Dead", BatteryHealth::DEAD},
{"Over voltage", BatteryHealth::OVER_VOLTAGE},
{"Unspecified failure", BatteryHealth::UNSPECIFIED_FAILURE},
{"Cold", BatteryHealth::COLD},
// battery health values from JEITA spec
{"Warm", BatteryHealth::GOOD},
{"Cool", BatteryHealth::GOOD},
{"Hot", BatteryHealth::OVERHEAT},
{NULL, BatteryHealth::UNKNOWN},
};
auto ret = mapSysfsString(status, batteryHealthMap);
if (!ret) {
KLOG_WARNING(LOG_TAG, "Unknown battery health '%s'\n", status);
*ret = BatteryHealth::UNKNOWN;
}
return *ret;
}
int BatteryMonitor::readFromFile(const String8& path, std::string* buf) {
if (android::base::ReadFileToString(path.c_str(), buf)) {
*buf = android::base::Trim(*buf);
}
return buf->length();
}
BatteryMonitor::PowerSupplyType BatteryMonitor::readPowerSupplyType(const String8& path) {
static SysfsStringEnumMap<int> supplyTypeMap[] = {
{"Unknown", ANDROID_POWER_SUPPLY_TYPE_UNKNOWN},
{"Battery", ANDROID_POWER_SUPPLY_TYPE_BATTERY},
{"UPS", ANDROID_POWER_SUPPLY_TYPE_AC},
{"Mains", ANDROID_POWER_SUPPLY_TYPE_AC},
{"USB", ANDROID_POWER_SUPPLY_TYPE_USB},
{"USB_DCP", ANDROID_POWER_SUPPLY_TYPE_AC},
{"USB_HVDCP", ANDROID_POWER_SUPPLY_TYPE_AC},
{"USB_CDP", ANDROID_POWER_SUPPLY_TYPE_AC},
{"USB_ACA", ANDROID_POWER_SUPPLY_TYPE_AC},
{"USB_C", ANDROID_POWER_SUPPLY_TYPE_AC},
{"USB_PD", ANDROID_POWER_SUPPLY_TYPE_AC},
{"USB_PD_DRP", ANDROID_POWER_SUPPLY_TYPE_USB},
{"Wireless", ANDROID_POWER_SUPPLY_TYPE_WIRELESS},
{NULL, 0},
};
std::string buf;
if (readFromFile(path, &buf) <= 0)
return ANDROID_POWER_SUPPLY_TYPE_UNKNOWN;
auto ret = mapSysfsString(buf.c_str(), supplyTypeMap);
if (!ret) {
KLOG_WARNING(LOG_TAG, "Unknown power supply type '%s'\n", buf.c_str());
*ret = ANDROID_POWER_SUPPLY_TYPE_UNKNOWN;
}
return static_cast<BatteryMonitor::PowerSupplyType>(*ret);
}
bool BatteryMonitor::getBooleanField(const String8& path) {
std::string buf;
bool value = false;
if (readFromFile(path, &buf) > 0)
if (buf[0] != '0')
value = true;
return value;
}
int BatteryMonitor::getIntField(const String8& path) {
std::string buf;
int value = 0;
if (readFromFile(path, &buf) > 0)
android::base::ParseInt(buf, &value);
return value;
}
bool BatteryMonitor::isScopedPowerSupply(const char* name) {
constexpr char kScopeDevice[] = "Device";
String8 path;
path.appendFormat("%s/%s/scope", POWER_SUPPLY_SYSFS_PATH, name);
std::string scope;
return (readFromFile(path, &scope) > 0 && scope == kScopeDevice);
}
void BatteryMonitor::updateValues(void) {
initHealthInfo(mHealthInfo.get());
HealthInfo_1_0& props = mHealthInfo->legacy.legacy;
if (!mHealthdConfig->batteryPresentPath.isEmpty())
props.batteryPresent = getBooleanField(mHealthdConfig->batteryPresentPath);
else
props.batteryPresent = mBatteryDevicePresent;
props.batteryLevel = mBatteryFixedCapacity ?
mBatteryFixedCapacity :
getIntField(mHealthdConfig->batteryCapacityPath);
props.batteryVoltage = getIntField(mHealthdConfig->batteryVoltagePath) / 1000;
if (!mHealthdConfig->batteryCurrentNowPath.isEmpty())
props.batteryCurrent = getIntField(mHealthdConfig->batteryCurrentNowPath);
if (!mHealthdConfig->batteryFullChargePath.isEmpty())
props.batteryFullCharge = getIntField(mHealthdConfig->batteryFullChargePath);
if (!mHealthdConfig->batteryCycleCountPath.isEmpty())
props.batteryCycleCount = getIntField(mHealthdConfig->batteryCycleCountPath);
if (!mHealthdConfig->batteryChargeCounterPath.isEmpty())
props.batteryChargeCounter = getIntField(mHealthdConfig->batteryChargeCounterPath);
if (!mHealthdConfig->batteryCurrentAvgPath.isEmpty())
mHealthInfo->legacy.batteryCurrentAverage =
getIntField(mHealthdConfig->batteryCurrentAvgPath);
if (!mHealthdConfig->batteryChargeTimeToFullNowPath.isEmpty())
mHealthInfo->batteryChargeTimeToFullNowSeconds =
getIntField(mHealthdConfig->batteryChargeTimeToFullNowPath);
if (!mHealthdConfig->batteryFullChargeDesignCapacityUahPath.isEmpty())
mHealthInfo->batteryFullChargeDesignCapacityUah =
getIntField(mHealthdConfig->batteryFullChargeDesignCapacityUahPath);
props.batteryTemperature = mBatteryFixedTemperature ?
mBatteryFixedTemperature :
getIntField(mHealthdConfig->batteryTemperaturePath);
std::string buf;
if (readFromFile(mHealthdConfig->batteryCapacityLevelPath, &buf) > 0)
mHealthInfo->batteryCapacityLevel = getBatteryCapacityLevel(buf.c_str());
if (readFromFile(mHealthdConfig->batteryStatusPath, &buf) > 0)
props.batteryStatus = getBatteryStatus(buf.c_str());
if (readFromFile(mHealthdConfig->batteryHealthPath, &buf) > 0)
props.batteryHealth = getBatteryHealth(buf.c_str());
if (readFromFile(mHealthdConfig->batteryTechnologyPath, &buf) > 0)
props.batteryTechnology = String8(buf.c_str());
double MaxPower = 0;
for (size_t i = 0; i < mChargerNames.size(); i++) {
String8 path;
path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH,
mChargerNames[i].string());
if (getIntField(path)) {
path.clear();
path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH,
mChargerNames[i].string());
switch(readPowerSupplyType(path)) {
case ANDROID_POWER_SUPPLY_TYPE_AC:
props.chargerAcOnline = true;
break;
case ANDROID_POWER_SUPPLY_TYPE_USB:
props.chargerUsbOnline = true;
break;
case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
props.chargerWirelessOnline = true;
break;
default:
KLOG_WARNING(LOG_TAG, "%s: Unknown power supply type\n",
mChargerNames[i].string());
}
path.clear();
path.appendFormat("%s/%s/current_max", POWER_SUPPLY_SYSFS_PATH,
mChargerNames[i].string());
int ChargingCurrent =
(access(path.string(), R_OK) == 0) ? getIntField(path) : 0;
path.clear();
path.appendFormat("%s/%s/voltage_max", POWER_SUPPLY_SYSFS_PATH,
mChargerNames[i].string());
int ChargingVoltage =
(access(path.string(), R_OK) == 0) ? getIntField(path) :
DEFAULT_VBUS_VOLTAGE;
double power = ((double)ChargingCurrent / MILLION) *
((double)ChargingVoltage / MILLION);
if (MaxPower < power) {
props.maxChargingCurrent = ChargingCurrent;
props.maxChargingVoltage = ChargingVoltage;
MaxPower = power;
}
}
}
}
void BatteryMonitor::logValues(void) {
logValues(*mHealthInfo, *mHealthdConfig);
}
void BatteryMonitor::logValues(const android::hardware::health::V2_1::HealthInfo& health_info,
const struct healthd_config& healthd_config) {
char dmesgline[256];
size_t len;
const HealthInfo_1_0& props = health_info.legacy.legacy;
if (props.batteryPresent) {
snprintf(dmesgline, sizeof(dmesgline), "battery l=%d v=%d t=%s%d.%d h=%d st=%d",
props.batteryLevel, props.batteryVoltage, props.batteryTemperature < 0 ? "-" : "",
abs(props.batteryTemperature / 10), abs(props.batteryTemperature % 10),
props.batteryHealth, props.batteryStatus);
len = strlen(dmesgline);
if (!healthd_config.batteryCurrentNowPath.isEmpty()) {
len += snprintf(dmesgline + len, sizeof(dmesgline) - len, " c=%d",
props.batteryCurrent);
}
if (!healthd_config.batteryFullChargePath.isEmpty()) {
len += snprintf(dmesgline + len, sizeof(dmesgline) - len, " fc=%d",
props.batteryFullCharge);
}
if (!healthd_config.batteryCycleCountPath.isEmpty()) {
len += snprintf(dmesgline + len, sizeof(dmesgline) - len, " cc=%d",
props.batteryCycleCount);
}
} else {
len = snprintf(dmesgline, sizeof(dmesgline), "battery none");
}
snprintf(dmesgline + len, sizeof(dmesgline) - len, " chg=%s%s%s",
props.chargerAcOnline ? "a" : "", props.chargerUsbOnline ? "u" : "",
props.chargerWirelessOnline ? "w" : "");
KLOG_WARNING(LOG_TAG, "%s\n", dmesgline);
}
bool BatteryMonitor::isChargerOnline() {
const HealthInfo_1_0& props = mHealthInfo->legacy.legacy;
return props.chargerAcOnline | props.chargerUsbOnline |
props.chargerWirelessOnline;
}
int BatteryMonitor::getChargeStatus() {
BatteryStatus result = BatteryStatus::UNKNOWN;
if (!mHealthdConfig->batteryStatusPath.isEmpty()) {
std::string buf;
if (readFromFile(mHealthdConfig->batteryStatusPath, &buf) > 0)
result = getBatteryStatus(buf.c_str());
}
return static_cast<int>(result);
}
status_t BatteryMonitor::getProperty(int id, struct BatteryProperty *val) {
status_t ret = BAD_VALUE;
std::string buf;
val->valueInt64 = LONG_MIN;
switch(id) {
case BATTERY_PROP_CHARGE_COUNTER:
if (!mHealthdConfig->batteryChargeCounterPath.isEmpty()) {
val->valueInt64 =
getIntField(mHealthdConfig->batteryChargeCounterPath);
ret = OK;
} else {
ret = NAME_NOT_FOUND;
}
break;
case BATTERY_PROP_CURRENT_NOW:
if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
val->valueInt64 =
getIntField(mHealthdConfig->batteryCurrentNowPath);
ret = OK;
} else {
ret = NAME_NOT_FOUND;
}
break;
case BATTERY_PROP_CURRENT_AVG:
if (!mHealthdConfig->batteryCurrentAvgPath.isEmpty()) {
val->valueInt64 =
getIntField(mHealthdConfig->batteryCurrentAvgPath);
ret = OK;
} else {
ret = NAME_NOT_FOUND;
}
break;
case BATTERY_PROP_CAPACITY:
if (!mHealthdConfig->batteryCapacityPath.isEmpty()) {
val->valueInt64 =
getIntField(mHealthdConfig->batteryCapacityPath);
ret = OK;
} else {
ret = NAME_NOT_FOUND;
}
break;
case BATTERY_PROP_ENERGY_COUNTER:
if (mHealthdConfig->energyCounter) {
ret = mHealthdConfig->energyCounter(&val->valueInt64);
} else {
ret = NAME_NOT_FOUND;
}
break;
case BATTERY_PROP_BATTERY_STATUS:
val->valueInt64 = getChargeStatus();
ret = OK;
break;
default:
break;
}
return ret;
}
void BatteryMonitor::dumpState(int fd) {
int v;
char vs[128];
const HealthInfo_1_0& props = mHealthInfo->legacy.legacy;
snprintf(vs, sizeof(vs), "ac: %d usb: %d wireless: %d current_max: %d voltage_max: %d\n",
props.chargerAcOnline, props.chargerUsbOnline,
props.chargerWirelessOnline, props.maxChargingCurrent,
props.maxChargingVoltage);
write(fd, vs, strlen(vs));
snprintf(vs, sizeof(vs), "status: %d health: %d present: %d\n",
props.batteryStatus, props.batteryHealth, props.batteryPresent);
write(fd, vs, strlen(vs));
snprintf(vs, sizeof(vs), "level: %d voltage: %d temp: %d\n",
props.batteryLevel, props.batteryVoltage,
props.batteryTemperature);
write(fd, vs, strlen(vs));
if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
v = getIntField(mHealthdConfig->batteryCurrentNowPath);
snprintf(vs, sizeof(vs), "current now: %d\n", v);
write(fd, vs, strlen(vs));
}
if (!mHealthdConfig->batteryCurrentAvgPath.isEmpty()) {
v = getIntField(mHealthdConfig->batteryCurrentAvgPath);
snprintf(vs, sizeof(vs), "current avg: %d\n", v);
write(fd, vs, strlen(vs));
}
if (!mHealthdConfig->batteryChargeCounterPath.isEmpty()) {
v = getIntField(mHealthdConfig->batteryChargeCounterPath);
snprintf(vs, sizeof(vs), "charge counter: %d\n", v);
write(fd, vs, strlen(vs));
}
if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
snprintf(vs, sizeof(vs), "current now: %d\n", props.batteryCurrent);
write(fd, vs, strlen(vs));
}
if (!mHealthdConfig->batteryCycleCountPath.isEmpty()) {
snprintf(vs, sizeof(vs), "cycle count: %d\n", props.batteryCycleCount);
write(fd, vs, strlen(vs));
}
if (!mHealthdConfig->batteryFullChargePath.isEmpty()) {
snprintf(vs, sizeof(vs), "Full charge: %d\n", props.batteryFullCharge);
write(fd, vs, strlen(vs));
}
}
void BatteryMonitor::init(struct healthd_config *hc) {
String8 path;
char pval[PROPERTY_VALUE_MAX];
mHealthdConfig = hc;
std::unique_ptr<DIR, decltype(&closedir)> dir(opendir(POWER_SUPPLY_SYSFS_PATH), closedir);
if (dir == NULL) {
KLOG_ERROR(LOG_TAG, "Could not open %s\n", POWER_SUPPLY_SYSFS_PATH);
} else {
struct dirent* entry;
while ((entry = readdir(dir.get()))) {
const char* name = entry->d_name;
std::vector<String8>::iterator itIgnoreName;
if (!strcmp(name, ".") || !strcmp(name, ".."))
continue;
itIgnoreName = find(hc->ignorePowerSupplyNames.begin(),
hc->ignorePowerSupplyNames.end(), String8(name));
if (itIgnoreName != hc->ignorePowerSupplyNames.end())
continue;
// Look for "type" file in each subdirectory
path.clear();
path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH, name);
switch(readPowerSupplyType(path)) {
case ANDROID_POWER_SUPPLY_TYPE_AC:
case ANDROID_POWER_SUPPLY_TYPE_USB:
case ANDROID_POWER_SUPPLY_TYPE_WIRELESS:
path.clear();
path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH, name);
if (access(path.string(), R_OK) == 0)
mChargerNames.add(String8(name));
break;
case ANDROID_POWER_SUPPLY_TYPE_BATTERY:
// Some devices expose the battery status of sub-component like
// stylus. Such a device-scoped battery info needs to be skipped
// in BatteryMonitor, which is intended to report the status of
// the battery supplying the power to the whole system.
if (isScopedPowerSupply(name)) continue;
mBatteryDevicePresent = true;
if (mHealthdConfig->batteryStatusPath.isEmpty()) {
path.clear();
path.appendFormat("%s/%s/status", POWER_SUPPLY_SYSFS_PATH,
name);
if (access(path, R_OK) == 0)
mHealthdConfig->batteryStatusPath = path;
}
if (mHealthdConfig->batteryHealthPath.isEmpty()) {
path.clear();
path.appendFormat("%s/%s/health", POWER_SUPPLY_SYSFS_PATH,
name);
if (access(path, R_OK) == 0)
mHealthdConfig->batteryHealthPath = path;
}
if (mHealthdConfig->batteryPresentPath.isEmpty()) {
path.clear();
path.appendFormat("%s/%s/present", POWER_SUPPLY_SYSFS_PATH,
name);
if (access(path, R_OK) == 0)
mHealthdConfig->batteryPresentPath = path;
}
if (mHealthdConfig->batteryCapacityPath.isEmpty()) {
path.clear();
path.appendFormat("%s/%s/capacity", POWER_SUPPLY_SYSFS_PATH,
name);
if (access(path, R_OK) == 0)
mHealthdConfig->batteryCapacityPath = path;
}
if (mHealthdConfig->batteryVoltagePath.isEmpty()) {
path.clear();
path.appendFormat("%s/%s/voltage_now",
POWER_SUPPLY_SYSFS_PATH, name);
if (access(path, R_OK) == 0) {
mHealthdConfig->batteryVoltagePath = path;
}
}
if (mHealthdConfig->batteryFullChargePath.isEmpty()) {
path.clear();
path.appendFormat("%s/%s/charge_full",
POWER_SUPPLY_SYSFS_PATH, name);
if (access(path, R_OK) == 0)
mHealthdConfig->batteryFullChargePath = path;
}
if (mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
path.clear();
path.appendFormat("%s/%s/current_now",
POWER_SUPPLY_SYSFS_PATH, name);
if (access(path, R_OK) == 0)
mHealthdConfig->batteryCurrentNowPath = path;
}
if (mHealthdConfig->batteryCycleCountPath.isEmpty()) {
path.clear();
path.appendFormat("%s/%s/cycle_count",
POWER_SUPPLY_SYSFS_PATH, name);
if (access(path, R_OK) == 0)
mHealthdConfig->batteryCycleCountPath = path;
}
if (mHealthdConfig->batteryCapacityLevelPath.isEmpty()) {
path.clear();
path.appendFormat("%s/%s/capacity_level", POWER_SUPPLY_SYSFS_PATH, name);
if (access(path, R_OK) == 0) mHealthdConfig->batteryCapacityLevelPath = path;
}
if (mHealthdConfig->batteryChargeTimeToFullNowPath.isEmpty()) {
path.clear();
path.appendFormat("%s/%s/time_to_full_now", POWER_SUPPLY_SYSFS_PATH, name);
if (access(path, R_OK) == 0)
mHealthdConfig->batteryChargeTimeToFullNowPath = path;
}
if (mHealthdConfig->batteryFullChargeDesignCapacityUahPath.isEmpty()) {
path.clear();
path.appendFormat("%s/%s/charge_full_design", POWER_SUPPLY_SYSFS_PATH, name);
if (access(path, R_OK) == 0)
mHealthdConfig->batteryFullChargeDesignCapacityUahPath = path;
}
if (mHealthdConfig->batteryCurrentAvgPath.isEmpty()) {
path.clear();
path.appendFormat("%s/%s/current_avg",
POWER_SUPPLY_SYSFS_PATH, name);
if (access(path, R_OK) == 0)
mHealthdConfig->batteryCurrentAvgPath = path;
}
if (mHealthdConfig->batteryChargeCounterPath.isEmpty()) {
path.clear();
path.appendFormat("%s/%s/charge_counter",
POWER_SUPPLY_SYSFS_PATH, name);
if (access(path, R_OK) == 0)
mHealthdConfig->batteryChargeCounterPath = path;
}
if (mHealthdConfig->batteryTemperaturePath.isEmpty()) {
path.clear();
path.appendFormat("%s/%s/temp", POWER_SUPPLY_SYSFS_PATH,
name);
if (access(path, R_OK) == 0) {
mHealthdConfig->batteryTemperaturePath = path;
}
}
if (mHealthdConfig->batteryTechnologyPath.isEmpty()) {
path.clear();
path.appendFormat("%s/%s/technology",
POWER_SUPPLY_SYSFS_PATH, name);
if (access(path, R_OK) == 0)
mHealthdConfig->batteryTechnologyPath = path;
}
break;
case ANDROID_POWER_SUPPLY_TYPE_UNKNOWN:
break;
}
}
}
// Typically the case for devices which do not have a battery and
// and are always plugged into AC mains.
if (!mBatteryDevicePresent) {
KLOG_WARNING(LOG_TAG, "No battery devices found\n");
hc->periodic_chores_interval_fast = -1;
hc->periodic_chores_interval_slow = -1;
} else {
if (mHealthdConfig->batteryStatusPath.isEmpty())
KLOG_WARNING(LOG_TAG, "BatteryStatusPath not found\n");
if (mHealthdConfig->batteryHealthPath.isEmpty())
KLOG_WARNING(LOG_TAG, "BatteryHealthPath not found\n");
if (mHealthdConfig->batteryPresentPath.isEmpty())
KLOG_WARNING(LOG_TAG, "BatteryPresentPath not found\n");
if (mHealthdConfig->batteryCapacityPath.isEmpty())
KLOG_WARNING(LOG_TAG, "BatteryCapacityPath not found\n");
if (mHealthdConfig->batteryVoltagePath.isEmpty())
KLOG_WARNING(LOG_TAG, "BatteryVoltagePath not found\n");
if (mHealthdConfig->batteryTemperaturePath.isEmpty())
KLOG_WARNING(LOG_TAG, "BatteryTemperaturePath not found\n");
if (mHealthdConfig->batteryTechnologyPath.isEmpty())
KLOG_WARNING(LOG_TAG, "BatteryTechnologyPath not found\n");
if (mHealthdConfig->batteryCurrentNowPath.isEmpty())
KLOG_WARNING(LOG_TAG, "BatteryCurrentNowPath not found\n");
if (mHealthdConfig->batteryFullChargePath.isEmpty())
KLOG_WARNING(LOG_TAG, "BatteryFullChargePath not found\n");
if (mHealthdConfig->batteryCycleCountPath.isEmpty())
KLOG_WARNING(LOG_TAG, "BatteryCycleCountPath not found\n");
if (mHealthdConfig->batteryCapacityLevelPath.isEmpty())
KLOG_WARNING(LOG_TAG, "batteryCapacityLevelPath not found\n");
if (mHealthdConfig->batteryChargeTimeToFullNowPath.isEmpty())
KLOG_WARNING(LOG_TAG, "batteryChargeTimeToFullNowPath. not found\n");
if (mHealthdConfig->batteryFullChargeDesignCapacityUahPath.isEmpty())
KLOG_WARNING(LOG_TAG, "batteryFullChargeDesignCapacityUahPath. not found\n");
}
if (property_get("ro.boot.fake_battery", pval, NULL) > 0
&& strtol(pval, NULL, 10) != 0) {
mBatteryFixedCapacity = FAKE_BATTERY_CAPACITY;
mBatteryFixedTemperature = FAKE_BATTERY_TEMPERATURE;
}
}
}; // namespace android
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