#include <QFile>
#include <QMessageBox>
#include <QTextStream>
-#include <QProcess>
#include <QDesktopWidget>
+#if defined(Q_WS_MAEMO_5)
+ #include <QMaemo5InformationBox>
+#endif
#define APPNAME "QCPUFreq"
-#define APPVERSION "0.1"
+#define APPVERSION "0.2"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
+ //this is a stacked window on Maemo 5
+ #if defined(Q_WS_MAEMO_5)
+ setAttribute(Qt::WA_Maemo5StackedWindow);
+ #endif
+
ui->setupUi(this);
+
refresh();
// enable auto rotation
- setAutoRotaion();
+ setAutoRotation();
//create a QGraphicsScene for the little chip icon
scene = new QGraphicsScene();
orientationChanged();
+ //create the refresh timer
+ refreshTimer = new QTimer();
+ //refresh UI every 10 seconds
+ refreshTimer->start( 10000 );
+
+ //create helper process
+ helperProcess = new QProcess;
+
+ //create a new, stackable help window
+ helpWindow = new HelpWindow( this );
+ #if defined(Q_WS_MAEMO_5)
+ helpWindow->setAttribute(Qt::WA_Maemo5StackedWindow);
+ #endif
+ helpWindow->setWindowFlags( windowFlags() | Qt::Window );
+
+ //show errors about the sudo setup only once
+ showSudoError = true;
+
//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()));
}
MainWindow::~MainWindow()
{
- delete ui;
+ delete helpWindow;
+ delete refreshTimer;
delete scene;
+ delete ui;
}
void MainWindow::about()
{
QMessageBox::about(this, APPNAME " " APPVERSION, "<p style=\"align:center;\">© 2010 Daniel Klaffenbach</p>" );
+ refresh();
}
int newmax = getScalingFreq( ui->freq_adjust->sliderPosition() );
QString max;
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 );
+ callHelper( "set_maxfreq", max );
refresh();
}
/**
+ * 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::callHelper(QString action, QString param)
+{
+ QStringList arguments;
+
+ #if defined(Q_WS_MAEMO_5)
+ //On Maemo 5 the helper script resides in /opt/usr/bin, which us 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( 200 )) {
+ //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)
+ return readSysFile( "devices/platform/omap34xx_temp/temp1_input_raw" );
+#endif
+ return tr( "Unknown" );
+}
+
+
+/**
* Returns the maximum CPU frequency
*/
int MainWindow::getMaxFreq()
}
+/**
+ * Returns the name of the current CPU frequency scaling governor
+ *
+ * \return name of governor
+ */
QString MainWindow::getScalingGovernor()
{
return readSysFile( "devices/system/cpu/cpu0/cpufreq/scaling_governor" );
}
+
/**
* Returns the amount of available scaling steps.
*/
return 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
+}
+
+
+/**
+ * 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/"+sys_file );
//open the file
if ( !file.exists() || !file.open( QIODevice::ReadOnly ) ) {
- QMessageBox::critical(this, tr("QCPUFreq"), tr("Could not get information from /sys!"));
- return "";
+ QMessageBox::critical(this, tr("QCPUFreq"), tr("Could not get information from /sys!"));
+ return "";
}
//read the file
//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);
}
/**
* 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);
/**
+ * 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." ), QMaemo5InformationBox::DefaultTimeout);
+ callHelper( "set_sr", "on");
+ }
+
+#endif
+ //refresh the UI
+ refresh();
+}
+
+
+/**
+ * SLOT: display the help window
+ */
+void MainWindow::showHelp()
+{
+ helpWindow->show();
+}
+
+
+/**
* Returns true when the device is in portrait mode
*/
bool MainWindow::usePortrait()
projects / qcpufreq / blobdiff