Multi device support: moved DSPDeviceEngine start/stop actions and status from main window to each source plugin GUI

sdrbase/plugin/pluginapi.cpp

@@ -2,7 +2,6 @@
 #include "plugin/pluginapi.h"
 #include "plugin/pluginmanager.h"
 #include "mainwindow.h"
-#include "dsp/dspengine.h"
 
 QDockWidget* PluginAPI::createMainWindowDock(Qt::DockWidgetArea dockWidgetArea, const QString& title)
 {
@@ -69,6 +68,31 @@ void PluginAPI::removeThreadedSink(ThreadedSampleSink* sink)
     m_pluginManager->removeThreadedSink(sink);
 }
 
+bool PluginAPI::initAcquisition()
+{
+    return m_pluginManager->initAcquisition();
+}
+
+bool PluginAPI::startAcquisition()
+{
+    return m_pluginManager->startAcquisition();
+}
+
+void PluginAPI::stopAcquistion()
+{
+    m_pluginManager->stopAcquistion();
+}
+
+DSPDeviceEngine::State PluginAPI::state() const
+{
+    return m_pluginManager->state();
+}
+
+QString PluginAPI::errorMessage()
+{
+    return m_pluginManager->errorMessage();
+}
+
 PluginAPI::PluginAPI(PluginManager* pluginManager, MainWindow* mainWindow) :
 	QObject(mainWindow),
 	m_pluginManager(pluginManager),

sdrbase/plugin/pluginapi.h

@@ -3,6 +3,7 @@
 
 #include <QObject>
 #include "util/export.h"
+#include "dsp/dspdeviceengine.h"
 
 class QDockWidget;
 class QAction;
@@ -43,6 +44,11 @@ public:
 	// Device engine stuff
 	void addThreadedSink(ThreadedSampleSink* sink);
 	void removeThreadedSink(ThreadedSampleSink* sink);
+    bool initAcquisition();               //!< Initialize device engine acquisition sequence
+    bool startAcquisition();              //!< Start device engine acquisition sequence
+    void stopAcquistion();                //!< Stop device engine acquisition sequence
+    DSPDeviceEngine::State state() const; //!< device engine state
+    QString errorMessage();               //!< Return the current device engine error message
 
 	// R/O access to main window
 	const MainWindow* getMainWindow() const { return m_mainWindow; }

sdrbase/plugin/pluginmanager.h

@@ -51,6 +51,11 @@ public:
 
 	void addThreadedSink(ThreadedSampleSink* sink);
 	void removeThreadedSink(ThreadedSampleSink* sink);
+    bool initAcquisition() { return m_dspDeviceEngine->initAcquisition(); }   //!< Initialize device engine acquisition sequence
+    bool startAcquisition() { return m_dspDeviceEngine->startAcquisition(); } //!< Start device engine acquisition sequence
+    void stopAcquistion() { m_dspDeviceEngine->stopAcquistion(); }            //!< Stop device engine acquisition sequence
+    DSPDeviceEngine::State state() const { return m_dspDeviceEngine->state(); }
+    QString errorMessage() { return m_dspDeviceEngine->errorMessage(); }      //!< Return the current device engine error message
 
 	void loadSettings(const Preset* preset);
 	void loadSourceSettings(const Preset* preset);