Dateien hochladen nach „src/TactileStimulation“

src/TactileStimulation/ovpCBoxAlgorithmTactileStimulator.cpp

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+///-------------------------------------------------------------------------------------------------
+/// 
+/// \file ovpCBoxAlgorithmTactileStimulator.cpp
+/// \brief Functions of the Box Tactile Stimulator.
+/// \author Tobias Baumann (TH-Nürnberg).
+/// \version 1.0.
+/// \date Mon Feb 21 14:59:56 2022.
+/// \copyright <a href="https://choosealicense.com/licenses/agpl-3.0/">GNU Affero General Public License v3.0</a>.
+/// 
+///-------------------------------------------------------------------------------------------------
+
+//includes
+#include "ovpCBoxAlgorithmTactileStimulation.h"
+
+using namespace OpenViBE;
+using namespace /*OpenViBE::*/Kernel;
+using namespace /*OpenViBE::*/Plugins;
+using namespace /*OpenViBE::Plugins::*/Tactilebci;
+
+bool CBoxAlgorithmTactileStimulation::initialize()
+{
+	m_input0Decoder.initialize(*this, 0);
+	m_output0Encoder.initialize(*this, 0);
+	
+	// If you need to retrieve setting values, use the FSettingValueAutoCast function.
+	// For example :
+	// - CString setting at index 0 in the setting list :
+	// CString sSettingValue = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 0);
+	// - unsigned int64 setting at index 1 in the setting list :
+	// uint64_t uiSettingValue = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 1);
+	// - double setting at index 2 in the setting list :
+	// double doubleSettingValue = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 2);
+	// ...
+
+	return true;
+}
+/*******************************************************************************/
+
+bool CBoxAlgorithmTactileStimulation::uninitialize()
+{
+	m_input0Decoder.uninitialize();
+	m_output0Encoder.uninitialize();
+
+	return true;
+}
+/*******************************************************************************/
+
+
+bool CBoxAlgorithmTactileStimulation::process()
+{
+	
+	// the static box context describes the box inputs, outputs, settings structures
+	const IBox& staticBoxContext=this->getStaticBoxContext();
+	// the dynamic box context describes the current state of the box inputs and outputs (i.e. the chunks)
+	IBoxIO& boxContext = this->getDynamicBoxContext();
+
+	// here is some useful functions:
+	// - To get input/output/setting count:
+	// staticBoxContext.getInputCount();
+	// staticBoxContext.getOutputCount();
+	
+	// - To get the number of chunks currently available on a particular input :
+	// boxContext.getInputChunkCount(input_index)
+	
+	// - To send an output chunk :
+	// boxContext.markOutputAsReadyToSend(output_index, chunk_start_time, chunk_end_time);
+	
+	
+	// A typical process iteration may look like this.
+	// This example only iterate over the first input of type Signal, and output a modified Signal.
+	// thus, the box uses 1 decoder (m_signalDecoder) and 1 encoder (m_signalEncoder)
+	/*
+	IBoxIO& boxContext = this->getDynamicBoxContext();
+
+	//iterate over all chunk on input 0
+	for (size_t i = 0; i < boxContext.getInputChunkCount(0); ++i)
+	{
+		// decode the chunk i
+		m_signalDecoder.decode(i);
+		// the decoder may have decoded 3 different parts : the header, a buffer or the end of stream.
+		if(m_signalDecoder.isHeaderReceived())
+		{
+			// Header received. This happens only once when pressing "play". For example with a StreamedMatrix input, you now know the dimension count, sizes, and labels of the matrix
+			// ... maybe do some process ...
+			
+			// Pass the header to the next boxes, by encoding a header on the output 0:
+			m_signalEncoder.encodeHeader(0);
+			// send the output chunk containing the header. The dates are the same as the input chunk:
+			boxContext.markOutputAsReadyToSend(0, boxContext.getInputChunkStartTime(0, i), boxContext.getInputChunkEndTime(0, i));
+		}
+		if(m_signalDecoder.isBufferReceived())
+		{
+			// Buffer received. For example the signal values
+			// Access to the buffer can be done thanks to :
+			CMatrix* matrix = m_signalDecoder.getOutputMatrix(); // the StreamedMatrix of samples.
+			uint64_t frequency = m_signalDecoder.getOutputSamplingRate(); // the sampling rate of the signal
+			
+			// ... do some process on the matrix ...
+
+			// Encode the output buffer :
+			m_signalEncoder.encodeBuffer(0);
+			// and send it to the next boxes :
+			boxContext.markOutputAsReadyToSend(0, boxContext.getInputChunkStartTime(0, i), boxContext.getInputChunkEndTime(0, i));
+			
+		}
+		if(m_signalDecoder.isEndReceived())
+		{
+			// End of stream received. This happens only once when pressing "stop". Just pass it to the next boxes so they receive the message :
+			m_signalEncoder.encodeEnd(0);
+			boxContext.markOutputAsReadyToSend(0, boxContext.getInputChunkStartTime(0, i), boxContext.getInputChunkEndTime(0, i));
+		}
+
+		// The current input chunk has been processed, and automaticcaly discarded.
+		// you don't need to call "boxContext.markInputAsDeprecated(0, i);"
+	}
+	*/
+
+	// check the official developer documentation webpage for more example and information :
+	
+	// Tutorials:
+	// http://openvibe.inria.fr/documentation/#Developer+Documentation
+	// Codec Toolkit page :
+	// http://openvibe.inria.fr/codec-toolkit-references/
+	
+	// Feel free to ask experienced developers on the forum (http://openvibe.inria.fr/forum) and IRC (#openvibe on irc.freenode.net).
+
+	return true;
+}

src/TactileStimulation/ovpCBoxAlgorithmTactileStimulator.h

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+///-------------------------------------------------------------------------------------------------
+/// 
+/// \file ovpCBoxAlgorithmTactileStimulator.h
+/// \brief Classes of the Box Tactile Stimulator.
+/// \author Tobias Baumann (TH-Nürnberg).
+/// \version 1.0.
+/// \date Mon Feb 21 14:59:56 2022.
+/// \copyright <a href="https://choosealicense.com/licenses/agpl-3.0/">GNU Affero General Public License v3.0</a>.
+/// 
+///-------------------------------------------------------------------------------------------------
+
+//includes
+#pragma once
+
+#include "../ovp_defines.h"
+#include <boost/asio>
+#include <openvibe/ov_all.h>
+#include <toolkit/ovtk_all.h>
+
+namespace OpenViBE
+{
+	namespace Plugins
+	{
+		namespace Tactilebci
+		{
+			/// <summary> The class CBoxAlgorithmTactileStimulator describes the box Tactile Stimulator. </summary>
+			class CBoxAlgorithmTactileStimulation final : virtual public Toolkit::TBoxAlgorithm<IBoxAlgorithm>
+			{
+			public:
+				void release() override { delete this; }
+
+				bool initialize() override;
+				bool uninitialize() override;
+
+				//Here is the different process callbacks possible
+				// - On clock ticks :
+				//bool processClock(Kernel::CMessageClock& msg) override;		
+				// - On new input received (the most common behaviour for signal processing) :
+				//bool processInput(const size_t index) override;
+
+				// If you want to use processClock, you must provide the clock frequency.
+				//uint64_t getClockFrequency() override;
+
+				bool process() override;
+
+				// As we do with any class in openvibe, we use the macro below to associate this box to an unique identifier. 
+				// The inheritance information is also made available, as we provide the superclass Toolkit::TBoxAlgorithm < IBoxAlgorithm >
+				_IsDerivedFromClass_Final_(Toolkit::TBoxAlgorithm<IBoxAlgorithm>, OVP_ClassId_BoxAlgorithm_TactileStimulation)
+
+			protected:
+				// Input decoder:
+				Toolkit::TStimulationDecoder<CBoxAlgorithmTactileStimulation> m_input0Decoder;
+			// Output decoder:
+				Toolkit::TStimulationEncoder<CBoxAlgorithmTactileStimulation> m_output0Encoder;
+
+			};
+
+			/// <summary> Descriptor of the box Tactile Stimulator. </summary>
+			class CBoxAlgorithmTactileStimulationDesc final : virtual public IBoxAlgorithmDesc
+			{
+			public:
+
+				void release() override { }
+
+				CString getName() const override { return CString("Tactile Stimulation"); }
+				CString getAuthorName() const override { return CString("Tobias Baumann"); }
+				CString getAuthorCompanyName() const override { return CString("TH-Nürnberg"); }
+				CString getShortDescription() const override { return CString("Controls the Tactilos on the Lattepanda GPIOs"); }
+				CString getDetailedDescription() const override { return CString(""); }
+				CString getCategory() const override { return CString("TactileBCI"); }
+				CString getVersion() const override { return CString("1.0"); }
+				CString getStockItemName() const override { return CString("gtk-network"); }
+
+				CIdentifier getCreatedClass() const override { return OVP_ClassId_BoxAlgorithm_TactileStimulator; }
+				IPluginObject* create() override { return new CBoxAlgorithmTactileStimulator; }
+
+				/*
+				IBoxListener* createBoxListener() const override { return new CBoxAlgorithmTactileStimulatorListener; }
+				void releaseBoxListener(IBoxListener* listener) const override { delete listener; }
+				*/
+				bool getBoxPrototype(Kernel::IBoxProto& prototype) const override
+				{
+					prototype.addInput("StimInput",OV_TypeId_Stimulations);
+
+					//prototype.addFlag(Kernel::BoxFlag_CanModifyInput);
+					//prototype.addFlag(Kernel::BoxFlag_CanAddInput);
+
+					prototype.addOutput("StimOutput",OV_TypeId_Stimulations);
+
+					//prototype.addFlag(Kernel::BoxFlag_CanModifyOutput);
+					//prototype.addFlag(Kernel::BoxFlag_CanAddOutput);
+
+					//No setting specified.To add settings use :
+					//prototype.addSetting("SettingName",OV_TypeId_XXXX,"default value");
+
+					//prototype.addFlag(Kernel::BoxFlag_CanModifySetting);
+					//prototype.addFlag(Kernel::BoxFlag_CanAddSetting);
+
+					prototype.addFlag(OV_AttributeId_Box_FlagIsUnstable);
+
+					return true;
+				}
+				_IsDerivedFromClass_Final_(IBoxAlgorithmDesc, OVP_ClassId_BoxAlgorithm_TactileStimulationDesc)
+			};
+		}  // namespace Tactilebci
+	}  // namespace Plugins
+}  // namespace OpenViBE