X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;f=src%2Fmainwindow.cpp;h=996f106e19339c38dd482f79d6f5fa1866d6ac8d;hb=1941cdfbeecd91428054170276d34196c5a6fdc3;hp=e33d4d5b1d7392663f6991e7f3b5050791e7791f;hpb=8438d693aaa892a7edc6c654aa9d3accb1d3a0f8;p=qcpufreq diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp old mode 100755 new mode 100644 index e33d4d5..996f106 --- a/src/mainwindow.cpp +++ b/src/mainwindow.cpp @@ -1,6 +1,6 @@ /* * QCPUFreq - a simple cpufreq GUI - * Copyright (C) 2010 Daniel Klaffenbach + * Copyright (C) 2010 Daniel Klaffenbach * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -22,46 +22,90 @@ #include #include #include -#include #include - +#if defined(Q_WS_MAEMO_5) + #include +#endif #define APPNAME "QCPUFreq" -#define APPVERSION "0.1" +#define APPVERSION "0.3.4" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), - ui(new Ui::MainWindow) + ui(new Ui::MainWindow), + //do not allow overclocking per default + allowOverclocking(false), + //create helper process + helperProcess( this ), + //create a new, stackable help window + helpWindow( this ), + //create UI refresh timer + refreshTimer( this ), + //create a QGraphicsScene for the little chip icon + scene( this ), + //the settings widget + settings(this), + //show errors about the sudo setup only once + showSudoError( true ) { + //this is a stacked window on Maemo 5 + #if defined(Q_WS_MAEMO_5) + setAttribute(Qt::WA_Maemo5StackedWindow); + #endif + ui->setupUi(this); + + init(); refresh(); // enable auto rotation - setAutoRotaion(); + setAutoRotation(); - //create a QGraphicsScene for the little chip icon - scene = new QGraphicsScene(); + //initialize orientation orientationChanged(); + //refresh UI every 10 seconds + refreshTimer.start( 10000 ); + + // initialize stackable help window + #if defined(Q_WS_MAEMO_5) + helpWindow.setAttribute(Qt::WA_Maemo5StackedWindow); + #endif + helpWindow.setWindowFlags( windowFlags() | Qt::Window ); + + settings.hide(); + //connect signals and slots + connect(ui->actionHelp, SIGNAL(triggered()), this, SLOT(showHelp())); connect( ui->actionAbout, SIGNAL(triggered()), this, SLOT(about()) ); connect( ui->freq_adjust, SIGNAL(valueChanged(int)), this, SLOT(adjustFreq()) ); connect(QApplication::desktop(), SIGNAL(resized(int)), this, SLOT(orientationChanged())); + connect(ui->sr_box, SIGNAL(clicked()), this, SLOT(setSmartReflex())); + connect(&refreshTimer, SIGNAL(timeout()), this, SLOT(refresh())); + connect(ui->actionOverclocking, SIGNAL(toggled(bool)), this, SLOT(setOverclocking())); + connect(ui->actionSettings, SIGNAL(triggered()), this, SLOT(showSettings())); + + + //disable overclocking button on vanilla kernels + if (!powerKernel) { + ui->actionOverclocking->setDisabled(true); + } } MainWindow::~MainWindow() { delete ui; - delete scene; } + /** * SLOT: Displays an about box */ void MainWindow::about() { QMessageBox::about(this, APPNAME " " APPVERSION, "

© 2010 Daniel Klaffenbach

" ); + refresh(); } @@ -71,98 +115,253 @@ void MainWindow::about() void MainWindow::adjustFreq() { int newmax = getScalingFreq( ui->freq_adjust->sliderPosition() ); + + if (newmax == getMaxFreq() ) { + //we do not need to change anything in this case + return; + } + QString max; + + //maxfreq should not be smaller than minfreq, because we do not want to decrease minfreq + if (newmax < getMinFreq()) + newmax = getMinFreq(); + max.setNum( newmax ); - QStringList arguments; -#if defined(Q_WS_MAEMO_5) - //on Maemo5 the set_scalingmaxfreq-Script is not in $PATH - arguments.append( "/opt/usr/bin/set_scalingmaxfreq" ); -#else - arguments.append( "set_scalingmaxfreq" ); -#endif - arguments.append( max ); - //execute the scaling script - QProcess script; - script.execute( "sudo", arguments ); + //check for overclocking + #if defined(Q_WS_MAEMO_5) + if (this->allowOverclocking == false && newmax > 600000) { + QMaemo5InformationBox::information(this, tr( "You need to enable overclocking in QCPUFreq's menu for setting frequencies above 600MHz!"), 0); + refresh(); + return; + } + #endif + + callHelper( "set_maxfreq", max ); refresh(); } /** - * Returns the current CPU frequency + * Calls the QCPUFreq helper script with "sudo action param" + * + * @param action : the action of the helper script + * @param param : the parameter for the action + * @return exit code */ -int MainWindow::getCurFreq() +int MainWindow::callHelper(QString action, QString param) { - QString tmp = readScalingFile( "scaling_cur_freq" ); - return tmp.toInt(); + QStringList arguments; + + #if defined(Q_WS_MAEMO_5) + //On Maemo 5 the helper script resides in /opt/usr/bin, which is usually not in $PATH + arguments.append( "/opt/usr/bin/QCPUFreq.helper" ); + #else + arguments.append( "QCPUFreq.helper" ); + #endif + + arguments.append( action ); + arguments.append( param ); + + helperProcess.start( "sudo", arguments, QIODevice::NotOpen ); + + if ( showSudoError && !helperProcess.waitForFinished( 400 )) { + //do not show this error again + showSudoError = false; + QMessageBox::critical(this, tr("QCPUFreq"), tr("There seems to be a problem with your sudo setup!")); + } + + return helperProcess.exitCode(); } + +/** + * Returns the current CPU temperature + */ +QString MainWindow::getCPUTemp() +{ +#if defined(Q_WS_MAEMO_5) + QFile file( "/sys/class/power_supply/bq27200-0/temp" ); + + //check if we can read a more accurate temperature (only for power kernel) + if (file.exists()) + return QString( readSysFile( "class/power_supply/bq27200-0/temp" ) + " " + QString::fromUtf8("\302\260") + "C" ); + else { + /* + We actually only need to read the raw temperature, but it appears that by also reading temp1_input + the raw temperature (temp1_input_raw) is being updated more frequently. + */ + readSysFile( "devices/platform/omap34xx_temp/temp1_input" ); + + //read the current system temperature + QString tstring = readSysFile( "devices/platform/omap34xx_temp/temp1_input_raw" ); + if (tstring == "0") + return tr( "Unknown" ); + + //convert it to an integer and calculate the approx. temperature from the raw value + int tint = tstring.toInt(); + tint = ( 0.65 * tint ); + tstring.setNum(tint); + return QString( tstring + " " + QString::fromUtf8("\302\260") + "C" ); + } +#endif + return tr( "Unknown" ); +} + + +/** + * Returns the maximum CPU frequency + */ int MainWindow::getMaxFreq() { - QString tmp = readScalingFile( "scaling_max_freq" ); + QString tmp = readSysFile( "devices/system/cpu/cpu0/cpufreq/scaling_max_freq" ); return tmp.toInt(); } + +/** + * Returns the minimum CPU frequency + */ int MainWindow::getMinFreq() { - QString tmp = readScalingFile( "scaling_min_freq" ); - return tmp.toInt(); + return this->minFreq; } - /** * Returns the CPU frequency for the specified scaling step */ int MainWindow::getScalingFreq(int step) { - QString tmp = readScalingFile( "scaling_available_frequencies" ); - QStringList freqs = tmp.split( " " ); step = step - 1; if ( step < 0 ) step = 0; - if ( step > getScalingSteps() ) - step = getScalingSteps(); + if ( step > getScalingSteps() - 1 ) + step = getScalingSteps() - 1; - tmp = freqs[ step ]; - return tmp.toInt(); + return this->scalingFrequencies[ step ].toInt(); } +/** + * Returns the name of the current CPU frequency scaling governor + * + * @return QString - name of governor + */ QString MainWindow::getScalingGovernor() { - return readScalingFile( "scaling_governor" ); + return readSysFile( "devices/system/cpu/cpu0/cpufreq/scaling_governor" ); } + /** * Returns the amount of available scaling steps. + * + * @return int */ int MainWindow::getScalingSteps() { - QString tmp = readScalingFile( "scaling_available_frequencies" ); - QStringList freqs = tmp.split( " " ); - return (freqs.size() - 1); + return this->scalingSteps; } /** * Returns the scaling step for the specified frequency. + * + * @return int */ int MainWindow::getScalingStep( int freq ) { - for( int i = 1; i <= getScalingSteps(); ++i ) { - if ( getScalingFreq(i) == freq ) - return i; + QString tmp; + tmp.setNum(freq); + return this->scalingFrequencies.indexOf(tmp) + 1; +} + + +/** + * Returns the SmartReflex(tm) state + * + * \return 0|1 + */ +int MainWindow::getSmartReflexState() +{ +//SmartReflex is only supprted on Maemo5 +#if defined(Q_WS_MAEMO_5) + QString tmp = readSysFile( "power/sr_vdd1_autocomp" ); + + if ( tmp == "1" ) { + return 1; + } else { + return 0; + } +#else + //disable UI checkbox + ui->sr_box->setDisabled( true ); + + return 0; +#endif +} + + +/** + * Initializes internal variables, such as: + * - scalingSteps + * - scalingFrequencies + * - minFreq + * - powerKernel + */ +void MainWindow::init() +{ + this->minFreq = 0; + QString freqs = readSysFile( "devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies" ); + QStringList freqList = freqs.split( " " ); + //change the order of the QStringList - last element becomes first + for (int i=freqList.size() - 1; i>=0; --i) { + if (freqList.at(i) != "") + this->scalingFrequencies << freqList.at(i); + } + this->scalingSteps = (this->scalingFrequencies.size()); + + //set minFreq and check avoid_frequencies + QString min = readSysFile( "devices/system/cpu/cpu0/cpufreq/scaling_min_freq" ); + //check if avoid file exists (only on power kernel) + QFile file( "/sys/devices/system/cpu/cpu0/cpufreq/ondemand/avoid_frequencies" ); + if (file.exists()) { + QString avoid = readSysFile( "devices/system/cpu/cpu0/cpufreq/ondemand/avoid_frequencies" ); + QStringList avoidList = avoid.split( " " ); + + //check if min is in avoid_frequencies + for (int i = getScalingStep( min.toInt() ); i <= this->scalingSteps; ++i) { + min.setNum( getScalingFreq(i) ); + if (!avoidList.contains(min)) { + this->minFreq = min.toInt(); + break; + } + } + } else { + this->minFreq = min.toInt(); } - return 1; + //check if we are using a power kernel + if ( getScalingFreq(getScalingSteps()) > 600000 ) { + this->powerKernel = true; + } else { + this->powerKernel = false; + } } -QString MainWindow::readScalingFile(QString scaling_file) + +/** + * Reads any file in /sys/ + * + * \param sys_file : full path to sys file - omit "/sys/" + * \return content of sys file + */ +QString MainWindow::readSysFile(QString sys_file) { - QFile file( "/sys/devices/system/cpu/cpu0/cpufreq/"+scaling_file ); + QFile file( "/sys/"+sys_file ); //open the file if ( !file.exists() || !file.open( QIODevice::ReadOnly ) ) { @@ -174,6 +373,9 @@ QString MainWindow::readScalingFile(QString scaling_file) QTextStream in( &file ); QString txt = in.readLine(); + //close the file + file.close(); + return txt; } @@ -199,12 +401,22 @@ void MainWindow::refresh() //display the current governor ui->freq_governor->setText( getScalingGovernor() ); - //display.setNum( getScalingFreq(1) ); - //ui->freq_max->setText( display ); + //display current temperature + ui->cpu_temp->setText( getCPUTemp() ); + + //smart reflex button + if ( getSmartReflexState() == 1 ) + ui->sr_box->setCheckState( Qt::Checked ); + else + ui->sr_box->setCheckState( Qt::Unchecked ); + + + //display frequency slider ui->freq_adjust->setMinimum( 1 ); ui->freq_adjust->setMaximum( getScalingSteps() ); - ui->freq_adjust->setInvertedAppearance( true ); ui->freq_adjust->setSliderPosition( getScalingStep(getMaxFreq()) ); + + //ui->retranslateUi(this); } @@ -217,22 +429,22 @@ void MainWindow::orientationChanged() //check whether we are using portrait or landscape mode if ( usePortrait() ) { - //in portrait mode we want to display the large image - image.load( ":/img/chip256" ); - this->scene->clear(); - this->scene->addPixmap( image ); - - ui->graphicsPortrait->setScene( this->scene ); - ui->graphicsPortrait->setMaximumSize( 256, 256 ); - ui->graphicsLandscape->setMaximumSize( 0, 0 ); + //in portrait mode we want to display the large image + image.load( ":/img/chip256" ); + scene.clear(); + scene.addPixmap( image ); + + ui->graphicsPortrait->setScene( &scene ); + ui->graphicsPortrait->setMaximumSize( 256, 256 ); + ui->graphicsLandscape->setMaximumSize( 0, 0 ); } else { - image.load( ":/img/chip128" ); - this->scene->clear(); - this->scene->addPixmap( image ); + image.load( ":/img/chip128" ); + scene.clear(); + scene.addPixmap( image ); - ui->graphicsLandscape->setScene( this->scene ); - ui->graphicsLandscape->setMaximumSize( 128, 128 ); - ui->graphicsPortrait->setMaximumSize( 0, 0 ); + ui->graphicsLandscape->setScene( &scene ); + ui->graphicsLandscape->setMaximumSize( 128, 128 ); + ui->graphicsPortrait->setMaximumSize( 0, 0 ); } } @@ -240,7 +452,7 @@ void MainWindow::orientationChanged() /** * Enables the auto-rotation feature of Maemo5 devices */ -void MainWindow::setAutoRotaion() +void MainWindow::setAutoRotation() { #if defined(Q_WS_MAEMO_5) setAttribute(Qt::WA_Maemo5AutoOrientation, true); @@ -249,13 +461,68 @@ void MainWindow::setAutoRotaion() /** + * SLOT: enable/disable overclocking. + */ +void MainWindow::setOverclocking() +{ + if (ui->actionOverclocking->isChecked()) { + #if defined(Q_WS_MAEMO_5) + QMaemo5InformationBox::information(this, tr( "Please note that overclocking voids your warranty and may break your device! Be careful!"), 0); + #endif + this->allowOverclocking = true; + } else { + this->allowOverclocking = false; + } +} + + +/** + * SLOT: Enables or disables Smart Reflex(tm) after pressing sr_btn + */ +void MainWindow::setSmartReflex() +{ +//SmartReflex is only supported on Maemo5 +#if defined(Q_WS_MAEMO_5) + if ( getSmartReflexState() == 1 ) + callHelper( "set_sr", "off"); + else { + QMaemo5InformationBox::information(this, tr( "SmartReflex support is known to be unstable on some devices and may cause random reboots." ), 0); + callHelper( "set_sr", "on"); + } + +#endif + //refresh the UI + refresh(); +} + + +/** + * SLOT: display the help window + */ +void MainWindow::showHelp() +{ + helpWindow.show(); +} + + +/** + * SLOT: displays the settings widget + */ +void MainWindow::showSettings() +{ + settings.setWindowFlags(Qt::Popup); + settings.show(); +} + + +/** * Returns true when the device is in portrait mode */ bool MainWindow::usePortrait() { QRect screenGeometry = QApplication::desktop()->screenGeometry(); if (screenGeometry.width() > screenGeometry.height()) - return false; + return false; else - return true; + return true; }