File sample source plugin now functional

Readme.md

@@ -127,8 +127,8 @@ Done since the fork
   - Spectrum histogram clear
   - Trigger line display for all trigger modes
   - Coarse and fine trigger level sliders
-  - Minimalist recording
+  - Minimalist recording (no file choice)
-  - Minimalist file source (recording reader) compilable but untested
+  - File sample source plugin (recording reader) 
     
 =====
 To Do

plugins/samplesource/filesource/filesourcegui.cpp

@@ -38,13 +38,15 @@ FileSourceGui::FileSourceGui(PluginAPI* pluginAPI, QWidget* parent) :
 	m_sampleRate(0),
 	m_centerFrequency(0),
 	m_startingTimeStamp(0),
-	m_samplesCount(0)
+	m_samplesCount(0),
+	m_tickCount(0)
 {
 	ui->setupUi(this);
 	ui->centerFrequency->setColorMapper(ColorMapper(ColorMapper::ReverseGold));
 	ui->centerFrequency->setValueRange(7, 0, pow(10,7));
 	ui->fileNameText->setText(m_fileName);
 	connect(&m_updateTimer, SIGNAL(timeout()), this, SLOT(updateHardware()));
+	connect(&(m_pluginAPI->getMainWindow()->getMasterTimer()), SIGNAL(timeout()), this, SLOT(tick()));
 	displaySettings();
 
 	m_sampleSource = new FileSourceInput(m_pluginAPI->getMainWindowMessageQueue(), m_pluginAPI->getMainWindow()->getMasterTimer());
@@ -133,15 +135,17 @@ bool FileSourceGui::handleMessage(Message* message)
 		m_sampleRate = ((FileSourceInput::MsgReportFileSourceStreamData*)message)->getSampleRate();
 		m_centerFrequency = ((FileSourceInput::MsgReportFileSourceStreamData*)message)->getCenterFrequency();
 		m_startingTimeStamp = ((FileSourceInput::MsgReportFileSourceStreamData*)message)->getStartingTimeStamp();
-		updateWithStreamData();
 		message->completed();
+		updateWithStreamData();
 		return true;
 	}
 	else if(FileSourceInput::MsgReportFileSourceStreamTiming::match(message))
 	{
 		m_samplesCount = ((FileSourceInput::MsgReportFileSourceStreamTiming*)message)->getSamplesCount();
-		std::cerr << "FileSourceGui::handleMessage: MsgReportFileSourceStreamTiming: " << m_samplesCount << std::endl;
+		//std::cerr << "FileSourceGui::handleMessage: MsgReportFileSourceStreamTiming: " << m_samplesCount << std::endl;
+		message->completed();
 		updateWithStreamTime();
+		return true;
 	}
 	else
 	{
@@ -234,3 +238,11 @@ void FileSourceGui::updateWithStreamTime()
 	QString s_date = dt.toString("yyyyMMdd hh.mm.ss.zzz");
 	ui->absTimeText->setText(s_date);
 }
+
+void FileSourceGui::tick()
+{
+	if ((++m_tickCount & 0xf) == 0) {
+		FileSourceInput::MsgConfigureFileSourceStreamTiming* message = FileSourceInput::MsgConfigureFileSourceStreamTiming::create();
+		message->submit(m_pluginAPI->getDSPEngineMessageQueue());
+	}
+}

plugins/samplesource/filesource/filesourcegui.h

@@ -62,6 +62,7 @@ private:
 	quint64 m_centerFrequency;
 	std::time_t m_startingTimeStamp;
 	int m_samplesCount;
+	std::size_t m_tickCount;
 
 	void displaySettings();
 	void displayTime();
@@ -76,6 +77,7 @@ private slots:
 	void on_playLoop_toggled(bool checked);
 	void on_play_toggled(bool checked);
 	void on_showFileDialog_clicked(bool checked);
+	void tick();
 };
 
 #endif // INCLUDE_FILESOURCEGUI_H

plugins/samplesource/filesource/filesourceinput.cpp

@@ -29,6 +29,7 @@
 MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgConfigureFileSource, Message)
 MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgConfigureFileSourceName, Message)
 MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgConfigureFileSourceWork, Message)
+MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgConfigureFileSourceStreamTiming, Message)
 MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgReportFileSourceAcquisition, Message)
 MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgReportFileSourceStreamData, Message)
 MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgReportFileSourceStreamTiming, Message)
@@ -217,6 +218,14 @@ bool FileSourceInput::handleMessage(Message* message)
 		message->completed();
 		return true;
 	}
+	else if (MsgConfigureFileSourceStreamTiming::match(message))
+	{
+		if (m_fileSourceThread != 0) {
+			MsgReportFileSourceStreamTiming::create(m_fileSourceThread->getSamplesCount())->submit(m_guiMessageQueue);
+		}else {
+			MsgReportFileSourceStreamTiming::create(0)->submit(m_guiMessageQueue);
+		}
+	}
 	else
 	{
 		return false;

plugins/samplesource/filesource/filesourceinput.h

@@ -100,6 +100,23 @@ public:
 		{ }
 	};
 
+	class MsgConfigureFileSourceStreamTiming : public Message {
+		MESSAGE_CLASS_DECLARATION
+
+	public:
+
+		static MsgConfigureFileSourceStreamTiming* create()
+		{
+			return new MsgConfigureFileSourceStreamTiming();
+		}
+
+	private:
+
+		MsgConfigureFileSourceStreamTiming() :
+			Message()
+		{ }
+	};
+
 	class MsgReportFileSourceAcquisition : public Message {
 		MESSAGE_CLASS_DECLARATION