Multi device support: basic multi device creation and deletion

sdrbase/dsp/dspdeviceengine.cpp

@@ -99,7 +99,6 @@ void DSPDeviceEngine::stopAcquistion()
 	m_syncMessenger.storeMessage(cmd);
 	handleSynchronousMessages();
 
-
 	if(m_dcOffsetCorrection)
 	{
 		qDebug("DC offset:%f,%f", m_iOffset, m_qOffset);

sdrbase/dsp/dspengine.cpp

@@ -59,6 +59,7 @@ void DSPEngine::removeLastDeviceEngine()
         DSPDeviceEngine *lastDeviceEngine = m_deviceEngines.back();
         delete lastDeviceEngine;
         m_deviceEngines.pop_back();
+        m_deviceEnginesUIDSequence--;
     }
 }
 

sdrbase/mainwindow.cpp

@@ -159,21 +159,24 @@ MainWindow::MainWindow(QWidget* parent) :
 
 MainWindow::~MainWindow()
 {
-	m_dspEngine->stopAllAcquisitions();
+    saveSettings();
 
-	saveSettings();
+    while (m_deviceUIs.size() > 0)
-
+    {
-	m_pluginManager->freeAll();
+        removeLastDevice();
-
+    }
-	for (int i = 0; i < m_deviceUIs.size(); i++)
-	{
-		delete m_deviceUIs[i];
-	}
-
-	delete m_pluginManager;
-
-	m_dspEngine->stopAllDeviceEngines();
 
+//	m_dspEngine->stopAllAcquisitions(); // FIXME: also present in m_pluginManager->freeAll()
+//	//m_pluginManager->freeAll();
+//    for (int i = 0; i < m_deviceUIs.size(); i++)
+//    {
+//        m_deviceUIs[i]->m_pluginManager->freeAll();
+//        delete m_deviceUIs[i];
+//    }
+//
+//    m_dspEngine->stopAllDeviceEngines();
+//
+//    //delete m_pluginManager;
 	delete m_dateTimeWidget;
 	delete m_showSystemWidget;
 
@@ -185,23 +188,57 @@ void MainWindow::addDevice()
     DSPDeviceEngine *dspDeviceEngine = m_dspEngine->addDeviceEngine();
     dspDeviceEngine->start();
 
+    uint dspDeviceEngineUID =  dspDeviceEngine->getUID();
     char tabNameCStr[16];
-    sprintf(tabNameCStr, "R%d", dspDeviceEngine->getUID());
+    sprintf(tabNameCStr, "R%d", dspDeviceEngineUID);
 
     m_deviceUIs.push_back(new DeviceUISet(m_masterTimer));
+    m_deviceUIs.back()->m_deviceEngine = dspDeviceEngine;
 
-    m_pluginManager = new PluginManager(this, dspDeviceEngine, m_deviceUIs.back()->m_spectrum);
+    PluginManager *pluginManager = new PluginManager(this, dspDeviceEngine, m_deviceUIs.back()->m_spectrum);
-    m_pluginManager->loadPlugins();
+    m_deviceUIs.back()->m_pluginManager = pluginManager;
+    pluginManager->loadPlugins();
 
+    dspDeviceEngine->addSink(m_deviceUIs.back()->m_spectrumVis);
     ui->tabSpectra->addTab(m_deviceUIs.back()->m_spectrum, tabNameCStr);
     ui->tabSpectraGUI->addTab(m_deviceUIs.back()->m_spectrumGUI, tabNameCStr);
-    dspDeviceEngine->addSink(m_deviceUIs.back()->m_spectrumVis);
     ui->tabChannels->addTab(m_deviceUIs.back()->m_channelWindow, tabNameCStr);
+
     bool sampleSourceSignalsBlocked = m_deviceUIs.back()->m_sampleSource->blockSignals(true);
-    m_pluginManager->fillSampleSourceSelector(m_deviceUIs.back()->m_sampleSource);
+    pluginManager->fillSampleSourceSelector(m_deviceUIs.back()->m_sampleSource);
     connect(m_deviceUIs.back()->m_sampleSource, SIGNAL(currentIndexChanged(int)), this, SLOT(on_sampleSource_currentIndexChanged(int)));
     m_deviceUIs.back()->m_sampleSource->blockSignals(sampleSourceSignalsBlocked);
     ui->tabInputs->addTab(m_deviceUIs.back()->m_sampleSource, tabNameCStr);
+
+    if (dspDeviceEngineUID == 0)
+    {
+        m_pluginManager = pluginManager;
+    }
+}
+
+void MainWindow::removeLastDevice()
+{
+    DSPDeviceEngine *lastDeviceEngine = m_deviceUIs.back()->m_deviceEngine;
+    lastDeviceEngine->stopAcquistion();
+    lastDeviceEngine->removeSink(m_deviceUIs.back()->m_spectrumVis);
+
+    ui->tabChannels->removeTab(ui->tabChannels->count() - 1);
+    ui->tabSpectraGUI->removeTab(ui->tabSpectraGUI->count() - 1);
+    ui->tabSpectra->removeTab(ui->tabSpectra->count() - 1);
+
+    // PluginManager destructor does freeAll() which does stopAcquistion() but stopAcquistion()
+    // can be done several times only the first is active so it is fine to do it here
+    // On the other hand freeAll() must be executed only once
+    delete m_deviceUIs.back()->m_pluginManager;
+    //m_deviceUIs.back()->m_pluginManager->freeAll();
+
+    lastDeviceEngine->stop();
+    m_dspEngine->removeLastDeviceEngine();
+
+    ui->tabInputs->removeTab(ui->tabInputs->count() - 1);
+
+    delete m_deviceUIs.back();
+    m_deviceUIs.pop_back();
 }
 
 void MainWindow::addChannelCreateAction(QAction* action)
@@ -622,9 +659,22 @@ void MainWindow::on_action_About_triggered()
 	dlg.exec();
 }
 
+void MainWindow::on_action_addDevice_triggered()
+{
+    addDevice();
+}
+
+void MainWindow::on_action_removeDevice_triggered()
+{
+    if (m_deviceUIs.size() > 1)
+    {
+        removeLastDevice();
+    }
+}
+
 void MainWindow::updateStatus()
 {
-    m_dateTimeWidget->setText(QDateTime::currentDateTime().toString("yyyy-MM-ddThh:mm:ss t"));
+    m_dateTimeWidget->setText(QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss t"));
 }
 
 MainWindow::DeviceUISet::DeviceUISet(QTimer& timer)
@@ -637,6 +687,7 @@ MainWindow::DeviceUISet::DeviceUISet(QTimer& timer)
 	m_channelWindow = new ChannelWindow;
 	m_sampleSource = new QComboBox;
 	m_deviceEngine = 0;
+	m_pluginManager = 0;
 
 	// m_spectrum needs to have its font to be set since it cannot be inherited from the main window
 	QFont font;

sdrbase/mainwindow.h

@@ -60,6 +60,7 @@ public:
 		ChannelWindow *m_channelWindow;
 		QComboBox *m_sampleSource;
 		DSPDeviceEngine *m_deviceEngine;
+		PluginManager *m_pluginManager;
 
 		DeviceUISet(QTimer& timer);
 		~DeviceUISet();
@@ -94,8 +95,6 @@ private:
 
 	MainSettings m_settings;
 
-	SpectrumVis* m_rxSpectrumVis;
-
 	std::vector<DeviceUISet*> m_deviceUIs;
 
 	DSPEngine* m_dspEngine;
@@ -147,6 +146,8 @@ private slots:
 	void on_action_DV_Serial_triggered(bool checked);
 	void on_sampleSource_currentIndexChanged(int index);
 	void on_action_About_triggered();
+	void on_action_addDevice_triggered();
+	void on_action_removeDevice_triggered();
 };
 
 #endif // INCLUDE_MAINWINDOW_H

sdrbase/mainwindow.ui

@@ -91,8 +91,8 @@
     <property name="title">
      <string>&amp;Acquisition</string>
     </property>
-    <addaction name="action_Start_Recording"/>
+    <addaction name="action_addDevice"/>
-    <addaction name="action_Stop_Recording"/>
+    <addaction name="action_removeDevice"/>
    </widget>
    <widget class="QMenu" name="menu_View">
     <property name="font">
@@ -545,27 +545,21 @@
     <font/>
    </property>
   </action>
-  <action name="action_Start_Recording">
+  <action name="action_addDevice">
    <property name="text">
-    <string>Start Recording</string>
+    <string>Add device</string>
    </property>
    <property name="font">
     <font/>
    </property>
-   <property name="shortcut">
-    <string>F7</string>
-   </property>
   </action>
-  <action name="action_Stop_Recording">
+  <action name="action_removeDevice">
    <property name="text">
-    <string>Stop Recording</string>
+    <string>Remove device</string>
    </property>
    <property name="font">
     <font/>
    </property>
-   <property name="shortcut">
-    <string>F8</string>
-   </property>
   </action>
   <action name="action_Audio">
    <property name="text">

sdrbase/plugin/pluginapi.cpp

@@ -3,15 +3,16 @@
 #include "plugin/pluginmanager.h"
 #include "mainwindow.h"
 
-QDockWidget* PluginAPI::createMainWindowDock(Qt::DockWidgetArea dockWidgetArea, const QString& title)
+// This was used in Tetra demod plugin which is not part of the build anymore
-{
+//QDockWidget* PluginAPI::createMainWindowDock(Qt::DockWidgetArea dockWidgetArea, const QString& title)
-	QDockWidget* dock = new QDockWidget(title, m_mainWindow);
+//{
-	dock->setAllowedAreas(Qt::AllDockWidgetAreas);
+//	QDockWidget* dock = new QDockWidget(title, m_mainWindow);
-	dock->setAttribute(Qt::WA_DeleteOnClose);
+//	dock->setAllowedAreas(Qt::AllDockWidgetAreas);
-	m_mainWindow->addDockWidget(dockWidgetArea, dock);
+//	dock->setAttribute(Qt::WA_DeleteOnClose);
-	m_mainWindow->addViewAction(dock->toggleViewAction());
+//	m_mainWindow->addDockWidget(dockWidgetArea, dock);
-	return dock;
+//	m_mainWindow->addViewAction(dock->toggleViewAction());
-}
+//	return dock;
+//}
 
 MessageQueue* PluginAPI::getMainWindowMessageQueue()
 {
@@ -139,3 +140,7 @@ PluginAPI::PluginAPI(PluginManager* pluginManager, MainWindow* mainWindow) :
 	m_mainWindow(mainWindow)
 {
 }
+
+PluginAPI::~PluginAPI()
+{
+}

sdrbase/plugin/pluginapi.h

@@ -26,7 +26,7 @@ class SDRANGEL_API PluginAPI : public QObject {
 
 public:
 	// MainWindow access
-	QDockWidget* createMainWindowDock(Qt::DockWidgetArea dockWidgetArea, const QString& title);
+	//QDockWidget* createMainWindowDock(Qt::DockWidgetArea dockWidgetArea, const QString& title);
 	MessageQueue* getMainWindowMessageQueue();
 	void setInputGUI(QWidget* inputGUI);
 
@@ -68,6 +68,7 @@ protected:
 	MainWindow* m_mainWindow;
 
 	PluginAPI(PluginManager* pluginManager, MainWindow* mainWindow);
+	~PluginAPI();
 
 	friend class PluginManager;
 };