#include <QFile>
#include <QMessageBox>
#include <QTextStream>
-#include <QProcess>
#include <QDesktopWidget>
#if defined(Q_WS_MAEMO_5)
#include <QMaemo5InformationBox>
#endif
-
#define APPNAME "QCPUFreq"
-#define APPVERSION "0.2"
+#define APPVERSION "0.3.2"
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 ),
+ //set minFreq to 0
+ minFreq(0),
+ //create UI refresh timer
+ refreshTimer( this ),
+ //create a QGraphicsScene for the little chip icon
+ scene( 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);
refresh();
// enable auto rotation
- setAutoRotaion();
+ setAutoRotation();
- //create a QGraphicsScene for the little chip icon
- scene = new QGraphicsScene();
+ //initialize orientation
orientationChanged();
- //create the refresh timer
- refreshTimer = new QTimer();
//refresh UI every 10 seconds
- refreshTimer->start( 10000 );
+ refreshTimer.start( 10000 );
+
+ // initialize stackable help window
+ #if defined(Q_WS_MAEMO_5)
+ helpWindow.setAttribute(Qt::WA_Maemo5StackedWindow);
+ #endif
+ helpWindow.setWindowFlags( windowFlags() | Qt::Window );
//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_btn, SIGNAL(clicked()), this, SLOT(setSmartReflex()) );
- connect(refreshTimer, SIGNAL(timeout()), this, SLOT(refresh()));
+ 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()));
+
+ //disable overclocking button on vanilla kernels
+ if ( getScalingFreq(0) <= 600000 ) {
+ ui->actionOverclocking->setDisabled(true);
+ }
}
MainWindow::~MainWindow()
{
delete ui;
- delete refreshTimer;
- delete scene;
}
{
int newmax = getScalingFreq( ui->freq_adjust->sliderPosition() );
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 );
+ //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();
*/
int MainWindow::callHelper(QString action, QString param)
{
- QProcess helper;
QStringList arguments;
- //run sudo in non-interactive mode
- arguments.append( "-n" );
#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" );
+ //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" );
+ arguments.append( "QCPUFreq.helper" );
#endif
arguments.append( action );
arguments.append( param );
- helper.execute( "sudo", arguments );
+ 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 helper.exitCode();
+ return helperProcess.exitCode();
}
QString MainWindow::getCPUTemp()
{
#if defined(Q_WS_MAEMO_5)
- return readSysFile( "devices/platform/omap34xx_temp/temp1_input_raw" );
+ 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" );
}
*/
int MainWindow::getMinFreq()
{
- QString tmp = readSysFile( "devices/system/cpu/cpu0/cpufreq/scaling_min_freq" );
- return tmp.toInt();
+ if (this->minFreq == 0) {
+ 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>0; --i) {
+ if (!avoidList.contains(min.setNum( getScalingFreq(i) ))) {
+ this->minFreq = min.toInt();
+ return this->minFreq;
+ }
+ }
+
+ //should not happen at all
+ this->minFreq = 125000;
+ return this->minFreq;
+ } else {
+ this->minFreq = min.toInt();
+ return this->minFreq;
+ }
+ } else {
+ return this->minFreq;
+ }
}
else
return 0;
#else
+ //disable UI checkbox
+ ui->sr_box->setDisabled( true );
+
return 0;
#endif
}
QTextStream in( &file );
QString txt = in.readLine();
+ //close the file
+ file.close();
+
return txt;
}
//smart reflex button
if ( getSmartReflexState() == 1 )
- ui->sr_btn->setText( tr( "Enabled" ) );
+ ui->sr_box->setCheckState( Qt::Checked );
else
- ui->sr_btn->setText( tr( "Disabled" ) );
+ ui->sr_box->setCheckState( Qt::Unchecked );
//display frequency slider
if ( usePortrait() ) {
//in portrait mode we want to display the large image
image.load( ":/img/chip256" );
- this->scene->clear();
- this->scene->addPixmap( image );
+ scene.clear();
+ scene.addPixmap( image );
- ui->graphicsPortrait->setScene( this->scene );
+ 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 );
+ scene.clear();
+ scene.addPixmap( image );
- ui->graphicsLandscape->setScene( this->scene );
+ ui->graphicsLandscape->setScene( &scene );
ui->graphicsLandscape->setMaximumSize( 128, 128 );
ui->graphicsPortrait->setMaximumSize( 0, 0 );
}
/**
* 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: 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");
+ 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");
+ 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
/**
+ * SLOT: display the help window
+ */
+void MainWindow::showHelp()
+{
+ helpWindow.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;
}
projects / qcpufreq / blobdiff