harbour-batterybuddy/service/src/battery.cpp

479 lines
18 KiB
C++

/**
* Battery Buddy, a Sailfish application to prolong battery lifetime
*
* Copyright (C) 2019-2020 Matti Viljanen
*
* Battery Buddy is free software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Battery Buddy is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* See the GNU General Public License for more details. You should have received a copy of the GNU
* General Public License along with Battery Buddy. If not, see <http://www.gnu.org/licenses/>.
*
* Author: Matti Viljanen
*/
#include "battery.h"
Battery::Battery(Logger* newLogger, bool loglevelSet, QCoreApplication *app, QObject *parent) : QObject(parent)
{
logger = newLogger;
settings = new Settings(logger, this);
// Read log level from config - if not already set
if(!loglevelSet) {
int logLevel = settings->getLogLevel();
logger->debug = (logLevel == 2);
logger->verbose = (logLevel > 1);
logL(QString("Log level set to %1").arg((logLevel == 0 ? "low" : (logLevel == 1 ? "medium" : "high"))));
}
chargeNotification = new MyNotification(this);
healthNotification = new MyNotification(this);
QStringList filenames;
// Battery charge percentage, number, e.g. 42
filenames << "/sys/class/power_supply/battery/capacity"
<< "/sys/class/power_supply/dollar_cove_battery/capacity";
foreach(const QString& file, filenames) {
if(!chargeFile && QFile::exists(file)) {
chargeFile = new QFile(file, this);
break;
}
}
if(chargeFile) logL("Battery charge file: " + chargeFile->fileName());
else logL("Battery charge file: not found!");
// Charging/discharging current in microamps, e.g. -1450000 (-145mA)
filenames.clear();
filenames << "/sys/class/power_supply/battery/current_now"
<< "/sys/class/power_supply/dollar_cove_battery/current_now";
foreach(const QString& file, filenames) {
if(!currentFile && QFile::exists(file)) {
currentFile = new QFile(file, this);
break;
}
}
if(currentFile) logL("Charging/discharging current file: " + currentFile->fileName());
else logL("Charging/discharging current file: not found!");
// Battery/charging status: charging, discharging, full, empty, unknown (others?)
filenames.clear();
filenames << "/sys/class/power_supply/battery/status"
<< "/sys/class/power_supply/dollar_cove_battery/status";
foreach(const QString& file, filenames) {
if(!stateFile && QFile::exists(file)) {
stateFile = new QFile(file, this);
break;
}
}
if(stateFile) logL("Status file: " + stateFile->fileName());
else logL("Status file: not found!");
// Charger connected, bool (number): 0 or 1
filenames.clear();
filenames << "/sys/class/power_supply/usb/present"
<< "/sys/class/power_supply/dollar_cove_charger/present";
foreach(const QString& file, filenames) {
if(!chargerConnectedFile && QFile::exists(file)) {
chargerConnectedFile = new QFile(file, this);
break;
}
}
if(chargerConnectedFile) logL("Charger status file: " + chargerConnectedFile->fileName());
else logL("Charger status file: not found!");
// Number: temperature
filenames.clear();
filenames << "/sys/class/power_supply/battery/temp"
<< "/sys/class/power_supply/dollar_cove_battery/temp";
foreach(const QString& file, filenames) {
if(!temperatureFile && QFile::exists(file)) {
temperatureFile = new QFile(file, this);
break;
}
}
if(temperatureFile) logL("Battery temperature file: " + temperatureFile->fileName());
else logL("Battery temperature file: not found!");
// String: health state
filenames.clear();
filenames << "/sys/class/power_supply/battery/health"
<< "/sys/class/power_supply/dollar_cove_battery/health";
foreach(const QString& file, filenames) {
if(!healthFile && QFile::exists(file)) {
healthFile = new QFile(file, this);
break;
}
}
if(healthFile) logL("Battery health file: " + healthFile->fileName());
else logL("Battery health file: not found!");
// Charger control file
filenames.clear();
filenames << "/sys/class/power_supply/battery/input_suspend" // e.g. Sony Xperia XA2
<< "/sys/class/power_supply/battery/charging_enabled" // e.g. for Sony Xperia Z3 Compact Tablet
<< "/sys/class/power_supply/usb/charger_disable" // e.g. for Jolla Phone
<< "/sys/class/power_supply/dollar_cove_battery/enable_charging"; // e.g. for Jolla Tablet
foreach(const QString& file, filenames) {
if(!chargingEnabledFile && QFile::exists(file)) {
chargingEnabledFile = new QFile(file, this);
break;
}
}
// Flip the charging control bits if necessary
if(chargingEnabledFile && chargingEnabledFile->fileName().contains("enable")) {
enableChargingValue = 1;
disableChargingValue = 0;
}
// If we found a usable file, check that it is writable
if(chargingEnabledFile) {
logL("Charger control file: " + chargingEnabledFile->fileName());
if(chargingEnabledFile->open(QIODevice::WriteOnly)) {
chargingEnabledFile->close();
}
else {
logL("Charger control file is not writable - feature disabled");
delete chargingEnabledFile;
chargingEnabledFile = Q_NULLPTR;
}
}
else if(!QSysInfo::machineHostName().contains("SailfishEmul")) {
logL("Charger control file not found!");
logL("Please contact the developer with your device model!");
}
else logL("Charger control file: not found!");
connect(settings, SIGNAL(resetTimers()), this, SLOT(resetTimers()));
updateTimer = new BackgroundActivity(app);
highNotifyTimer = new BackgroundActivity(app);
lowNotifyTimer = new BackgroundActivity(app);
healthNotifyTimer = new BackgroundActivity(app);
connect(updateTimer, SIGNAL(running()), this, SLOT(updateData()));
connect(highNotifyTimer, SIGNAL(running()), this, SLOT(showHighNotification()));
connect(lowNotifyTimer, SIGNAL(running()), this, SLOT(showLowNotification()));
connect(healthNotifyTimer, SIGNAL(running()), this, SLOT(showHealthNotification()));
connect(updateTimer, SIGNAL(running()), updateTimer, SLOT(wait()));
connect(highNotifyTimer, SIGNAL(running()), highNotifyTimer, SLOT(wait()));
connect(lowNotifyTimer, SIGNAL(running()), lowNotifyTimer, SLOT(wait()));
connect(healthNotifyTimer, SIGNAL(running()), healthNotifyTimer, SLOT(wait()));
updateData();
updateTimer->setWakeupFrequency(BackgroundActivity::ThirtySeconds);
updateTimer->wait();
// If updateData() didn't start the timers
// aka. "charging" status didn't change
// (or if both times are disabled, actually)
// manually trigger the timer startup.
if(!highNotifyTimer->isWaiting() && !lowNotifyTimer->isWaiting() && !healthNotifyTimer->isWaiting()) {
resetTimers();
}
}
Battery::~Battery() {
updateTimer->stop();
highNotifyTimer->stop();
lowNotifyTimer->stop();
healthNotifyTimer->stop();
delete updateTimer;
delete highNotifyTimer;
delete lowNotifyTimer;
delete healthNotifyTimer;
}
void Battery::updateData()
{
if(chargeFile && chargeFile->open(QIODevice::ReadOnly)) {
nextCharge = chargeFile->readLine().trimmed().toInt();
if(nextCharge != charge) {
charge = nextCharge;
logM(QString("Battery: %1%").arg(charge));
}
chargeFile->close();
}
if(chargerConnectedFile && chargerConnectedFile->open(QIODevice::ReadOnly)) {
nextChargerConnected = chargerConnectedFile->readLine().trimmed().toInt();
if(nextChargerConnected != chargerConnected) {
chargerConnected = nextChargerConnected;
logM(QString("Charger: %1").arg(chargerConnected ? "connected" : "disconnected"));
}
chargerConnectedFile->close();
}
if(currentFile && currentFile->open(QIODevice::ReadOnly)) {
current = currentFile->readLine().trimmed().toInt();
if(!invertDecided) {
invertCurrent = (!chargerConnected && current > 10);
if(invertCurrent) logL("Battery current inverted");
else logL("Battery current not inverted");
invertDecided = true;
}
current = current * (invertCurrent ? -1 : 1);
logH(QString("Current: %1mA").arg(current / 1000));
currentFile->close();
}
if(stateFile && stateFile->open(QIODevice::ReadOnly)) {
nextState = (QString(stateFile->readLine().trimmed().toLower()));
if(nextState != state) {
state = nextState;
logM("State: " + state);
// Hide/show notification right away
resetTimers();
}
stateFile->close();
}
if(temperatureFile && temperatureFile->open(QIODevice::ReadOnly)) {
nextTemperature = temperatureFile->readLine().trimmed().toInt();
if(nextTemperature != temperature) {
if((nextTemperature / 10) != (temperature / 10)) {
logM(QString("Temperature: %1°C").arg(nextTemperature / 10));
}
temperature = nextTemperature;
}
temperatureFile->close();
}
if(healthFile && healthFile->open(QIODevice::ReadOnly)) {
nextHealth = (QString(healthFile->readLine().trimmed().toLower()));
if(nextHealth != health) {
health = nextHealth;
logM("Health: " + health);
// Hide/show notification right away
resetTimers();
}
healthFile->close();
}
if(chargingEnabledFile && settings->getLimitEnabled()) {
if(chargingEnabled && charge >= settings->getHighLimit()) {
logM("Disabling charging...");
setChargingEnabled(false);
}
else if(!chargingEnabled && charge <= settings->getLowLimit()) {
logM("Enabling charging...");
setChargingEnabled(true);
}
}
}
void Battery::resetTimers() {
highNotifyTimer->stop();
lowNotifyTimer->stop();
healthNotifyTimer->stop();
if(settings->getHighNotificationsInterval() > 0) {
highNotifyTimer->setWakeupFrequency(frequencies[settings->getHighNotificationsInterval()]);
logH(QString("High notifications frequency %1 => %2 seconds")
.arg(settings->getHighNotificationsInterval())
.arg(static_cast<int>(frequencies[settings->getHighNotificationsInterval()])));
logH("Starting high battery timer");
highNotifyTimer->wait();
showHighNotification();
}
else {
logH("High battery timer not started");
}
if(settings->getLowNotificationsInterval() > 0) {
lowNotifyTimer->setWakeupFrequency(frequencies[settings->getLowNotificationsInterval()]);
logH(QString("Low notifications frequency %1 => %2 seconds")
.arg(settings->getLowNotificationsInterval())
.arg(static_cast<int>(frequencies[settings->getLowNotificationsInterval()])));
logH("Start low battery timer");
lowNotifyTimer->wait();
showLowNotification();
}
else {
logH("Low battery timer not started");
}
if(settings->getHealthNotificationsInterval() > 0) {
healthNotifyTimer->setWakeupFrequency(frequencies[settings->getHealthNotificationsInterval()]);
logH(QString("Health notifications frequency %1 => %2 seconds")
.arg(settings->getHealthNotificationsInterval())
.arg(static_cast<int>(frequencies[settings->getHealthNotificationsInterval()])));
logH("Start health timer");
healthNotifyTimer->wait();
showHealthNotification();
}
else {
logH("Health timer not started");
}
}
void Battery::showHighNotification() {
if(settings->getHighNotificationsInterval() > 0 && (charge >= settings->getHighAlert() && state != "discharging")
&& !(charge == 100 && state == "idle")) {
logH(QString("Notification: %1").arg(settings->getNotificationTitle().arg(charge)));
chargeNotification->send(settings->getNotificationTitle().arg(charge), settings->getNotificationHighText(), settings->getHighAlertFile());
unclosedChargeNotification = true;
if(settings->getHighNotificationsInterval() == 50) {
logH("Stop high battery timer");
highNotifyTimer->stop();
}
}
else if(unclosedChargeNotification && charge > settings->getLowAlert()) {
logH("Close high battery notification");
chargeNotification->close();
unclosedChargeNotification = true;
}
}
void Battery::showLowNotification() {
if(settings->getLowNotificationsInterval() > 0 && charge <= settings->getLowAlert() && state != "charging") {
logH(QString("Notification: %1").arg(settings->getNotificationTitle().arg(charge)));
chargeNotification->send(settings->getNotificationTitle().arg(charge), settings->getNotificationLowText(), settings->getLowAlertFile());
unclosedChargeNotification = true;
if(settings->getLowNotificationsInterval() == 50) {
logH("Stop low battery timer");
lowNotifyTimer->stop();
}
}
else if(unclosedChargeNotification && charge < settings->getHighAlert()) {
logH("Close low battery notification");
chargeNotification->close();
unclosedChargeNotification = true;
}
}
void Battery::showHealthNotification() {
// set up alert categories
// TODO: manage this more globally, use better data types(?), align with QML/Settings part
static const QMap<QString, int> HealthThresh {
{ "ok" , 0},
{ "warn" , 1},
{ "crit" , 2},
};
// map string values from sysfs file to alert category
static const QMap<QString, int> HealthState {
{ "unknown" , HealthThresh["ok"] },
{ "good" , HealthThresh["ok"] },
{ "warm" , HealthThresh["warn"] },
{ "cool" , HealthThresh["warn"] },
{ "overheat" , HealthThresh["crit"] },
{ "cold" , HealthThresh["crit"] }
};
if(settings->getHealthNotificationsInterval() > 0 && temperature != 0x7FFFFFFF && ( HealthState[health] != HealthThresh["ok"] && HealthState[health] >= settings->getHealthAlert() ) ) {
QString displayTemp = QString::number(temperature / 10.0);
if (QLocale().measurementSystem() == QLocale::ImperialUSSystem)
displayTemp = QString::number((temperature / 10) * 1.8 + 32) + " F";
QString titleArgs;
titleArgs = health + " (" + displayTemp + "), " + state; // might show other things in the future
// show different test depending on severity
QString notificationText = "";
if (HealthState[health] == HealthThresh["warn"]) {
notificationText = settings->getNotificationHealthWarnText();
} else if (HealthState[health] == HealthThresh["crit"]) {
notificationText = settings->getNotificationHealthCritText();
}
logH(QString("Notification: %1").arg(settings->getNotificationHealthTitle().arg(titleArgs)));
healthNotification->send(settings->getNotificationHealthTitle().arg(titleArgs), notificationText, settings->getHealthAlertFile());
unclosedHealthNotification = true;
if(settings->getHealthNotificationsInterval() == 50) {
logH("Stop health timer");
healthNotifyTimer->stop();
}
}
else if(unclosedHealthNotification && (HealthState[health] == HealthThresh["ok"] || HealthState[health] < settings->getHealthAlert())) {
logH("Close health notification");
healthNotification->close();
}
}
int Battery::getCharge() { return charge; }
QString Battery::getState() { return state; }
int Battery::getTemperature() { return temperature; }
QString Battery::getHealth() { return health; }
bool Battery::getChargingEnabled() { return chargingEnabled; }
bool Battery::setChargingEnabled(const bool isEnabled) {
bool success = false;
if(chargingEnabledFile) {
if(chargingEnabledFile->open(QIODevice::WriteOnly)) {
if(chargingEnabledFile->write(QString("%1").arg(isEnabled ? enableChargingValue : disableChargingValue).toLatin1())) {
chargingEnabled = isEnabled;
success = true;
if(isEnabled) {
logM("Charging resumed");
}
else {
logM("Charging paused");
}
}
else {
logL("Could not write new charger state");
}
chargingEnabledFile->close();
}
else {
logL("Could not open charger control file");
}
}
return success;
}
bool Battery::getChargerConnected() {
return chargerConnected;
}
void Battery::shutdown() {
logM("Shutting down...");
chargeNotification->close();
blockSignals(true);
if(updateTimer) {
updateTimer->stop();
logH("Update timer stopped");
}
if(highNotifyTimer) {
highNotifyTimer->stop();
logH("High battery notification stopped");
}
if(lowNotifyTimer) {
lowNotifyTimer->stop();
logH("Low battery notification stopped");
}
if(healthNotifyTimer) {
healthNotifyTimer->stop();
logH("Health notification stopped");
}
if(!setChargingEnabled(true) && !QSysInfo::machineHostName().contains("SailfishEmul")) {
logL("ERROR! Could not restore charger status! Your device "
"may not charge until reboot! If that doesn't help, "
"uninstall Battery Buddy and reboot your device.");
}
}