EEGDataStream Class Reference

#include <EEGDataStream.hpp>

Public Member Functions
	EEGDataStream ()
virtual	~EEGDataStream ()
void	start ()
void	stop ()
void	setSampleRate (int sr)
bool	isStarted ()
int	getSamplesAvailable ()
EEGData	read (int samples)
	read and remove n samples from the buffer
EEGData	readAll ()
	read all samples from the buffer and clear the buffer
Public Member Functions inherited from TimeoutThread
	TimeoutThread ()
virtual	~TimeoutThread ()
bool	isHalted ()
double	getTimeoutLength ()
	get length of timeout in milliseconds
void	setTimeoutLength (double l)
	set length of timeotu in milliseconds

Protected Member Functions
virtual void	updater ()=0
virtual void	onStart ()
virtual void	onStop ()
Protected Member Functions inherited from TimeoutThread
void	timeoutStart ()
	start the thread
void	haltAndJoin ()
	halt the thread and wait for it to finish
void	sleep (double stime)
	sleep for stime in milliseconds

Protected Attributes
EEGData	buffer
int	sample_rate
Protected Attributes inherited from TimeoutThread
boost::thread *	updater_thread
	the thread object
bool	is_started
	flag to indicate whether or not the thread is started
bool	halt
	flag to order thread to halt on next iteration
bool	halted
	flag to indicate whether or not thread has hlated
boost::mutex	thread_lock
	mutex to lock the thread
double	timeout_length
	how often updater is called

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Detailed Description

EEGDataStream.cpp

Author:

Jeshua Bratman

Provides threaded buffer interface to a data source.

Definition at line 34 of file EEGDataStream.hpp.

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Constructor & Destructor Documentation

EEGDataStream::EEGDataStream

(

)

Definition at line 20 of file EEGDataStream.cpp.

EEGDataStream::~EEGDataStream ( )

virtual

Definition at line 27 of file EEGDataStream.cpp.

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Member Function Documentation

int EEGDataStream::getSamplesAvailable ( )

inline

Definition at line 58 of file EEGDataStream.hpp.

References buffer, and EEGData::numSamples().

Referenced by DataSource::samplesAvailable().

bool EEGDataStream::isStarted ( )

inline

Reimplemented from TimeoutThread.

Definition at line 57 of file EEGDataStream.hpp.

References TimeoutThread::is_started.

Referenced by DataSource::isStarted(), and DataSource::sourceReady().

virtual void EEGDataStream::onStart ( )

inlineprotectedvirtual

Definition at line 45 of file EEGDataStream.hpp.

virtual void EEGDataStream::onStop ( )

inlineprotectedvirtual

Definition at line 46 of file EEGDataStream.hpp.

EEGData EEGDataStream::read

(

int

samples

)

read and remove n samples from the buffer

Definition at line 36 of file EEGDataStream.cpp.

References cppR::submatrix().

Referenced by DataSource::read().

EEGData EEGDataStream::readAll

(

)

read all samples from the buffer and clear the buffer

Definition at line 58 of file EEGDataStream.cpp.

References EEGData::clear().

Referenced by DataSource::clearSamples(), and DataSource::readAll().

void EEGDataStream::setSampleRate ( int  sr )

inline

Definition at line 55 of file EEGDataStream.hpp.

References sample_rate.

void EEGDataStream::start

(

)

Definition at line 74 of file EEGDataStream.cpp.

Referenced by DataSource::start().

void EEGDataStream::stop

(

)

Definition at line 88 of file EEGDataStream.cpp.

Referenced by DataSource::stop().

virtual void EEGDataStream::updater ( )

protectedpure virtual

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Field Documentation

EEGData EEGDataStream::buffer

protected

Definition at line 40 of file EEGDataStream.hpp.

Referenced by getSamplesAvailable().

int EEGDataStream::sample_rate

protected

Definition at line 42 of file EEGDataStream.hpp.

Referenced by setSampleRate().

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The documentation for this class was generated from the following files:

• model/EEGDataStream.hpp
• model/EEGDataStream.cpp