#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)
{
ui->setupUi(this);
+
refresh();
// enable auto rotation
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()) );
}
delete scene;
}
+
/**
* SLOT: Displays an about box
*/
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();
}
/**
- * 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();
+ 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" );
+ #else
+ arguments.append( "QCPUFreq.helper" );
+ #endif
+
+ arguments.append( action );
+ arguments.append( param );
+
+ helper.execute( "sudo", arguments );
+
+ return helper.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()
{
- 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" );
+ QString tmp = readSysFile( "devices/system/cpu/cpu0/cpufreq/scaling_min_freq" );
return tmp.toInt();
}
-
/**
* Returns the CPU frequency for the specified scaling step
*/
int MainWindow::getScalingFreq(int step)
{
- QString tmp = readScalingFile( "scaling_available_frequencies" );
+ QString tmp = readSysFile( "devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies" );
QStringList freqs = tmp.split( " " );
step = step - 1;
if ( step < 0 )
}
+/**
+ * Returns the name of the current CPU frequency scaling governor
+ *
+ * \return 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.
*/
int MainWindow::getScalingSteps()
{
- QString tmp = readScalingFile( "scaling_available_frequencies" );
+ QString tmp = readSysFile( "devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies" );
QStringList freqs = tmp.split( " " );
return (freqs.size() - 1);
}
return 1;
}
-QString MainWindow::readScalingFile(QString scaling_file)
+
+/**
+ * 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
+ 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/devices/system/cpu/cpu0/cpufreq/"+scaling_file );
+ QFile file( "/sys/"+sys_file );
//open the file
if ( !file.exists() || !file.open( QIODevice::ReadOnly ) ) {
//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_btn->setText( tr( "Enabled" ) );
+ else
+ ui->sr_btn->setText( tr( "Disabled" ) );
+
+
+ //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);
}
/**
+ * 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();
+}
+
+
+/**
* Returns true when the device is in portrait mode
*/
bool MainWindow::usePortrait()
projects / qcpufreq / blobdiff