tobiss::SineGenerator Class Reference

A dummy hardware device for simulation and testing purposes. More...

#include <sine_generator.h>

Inheritance diagram for tobiss::SineGenerator:

Collaboration diagram for tobiss::SineGenerator:

Public Member Functions
	SineGenerator (boost::asio::io_service &io, ticpp::Iterator< ticpp::Element > hw)
	Constructor for initialization with an XML object.
virtual	~SineGenerator ()
	Destructor.
	SineGenerator (boost::asio::io_service &io, const int sampling_rate, const int nr_ch, const int blocks)
	Constructor for direct initialization.
	SineGenerator (boost::asio::io_service &io, ticpp::Iterator< ticpp::Element > hw)
	Constructor for initialization with an XML object.
virtual	~SineGenerator ()
	Destructor.
virtual SampleBlock< double >	getSyncData ()
	Method to achieve synchronous data acquisition (method is blocking).
virtual SampleBlock< double >	getAsyncData ()
	Method to achieve asynchronous data acquisition (method is non-blocking).
virtual void	run ()
	Method to start data acquisition.
virtual void	stop ()
	Method to stop data acquisition.
Private Member Functions
void	setHardware (ticpp::Iterator< ticpp::Element >const &hw)
	Set the configuration of the SineGenerator with a XML object.
void	genSine ()
	Generate a sine curve and store it into the objects data vector.
void	generateSignal ()
	Calls genSine()
virtual void	setDeviceSettings (ticpp::Iterator< ticpp::Element >const &father)
	Set configuration listed in the <device_settings> section in the XML file.
virtual void	setChannelSettings (ticpp::Iterator< ticpp::Element >const &father)
	Set configuration listed in the <channel_settings> section in the XML file.
void	setHardware (ticpp::Iterator< ticpp::Element >const &hw)
	Set the configuration of the SineGenerator with a XML object.
void	genSine ()
	Generate a sine curve and store it into the objects data vector.
virtual void	setDeviceSettings (ticpp::Iterator< ticpp::Element >const &father)
	Set configuration listed in the <device_settings> section in the XML file.
virtual void	setChannelSettings (ticpp::Iterator< ticpp::Element >const &father)
	Set configuration listed in the <channel_settings> section in the XML file.
Private Attributes
boost::shared_ptr< SineGenerator >	shd_ptr_
bool	acquiring_
	to check, if data acquisition has started (needed if used as master)
boost::asio::deadline_timer *	t_
	timer object for accurate timing
double	step_
	needed for sine generation
double	cycle_dur_
	needed for sine generation
boost::uint16_t	current_block_
	counter variable -- only used if blocks >1
boost::posix_time::microseconds	td_
	time period for the timer
boost::mutex	sync_mut_
	mutex neede for synchronisation
boost::condition_variable_any	cond_
	condition variable to wake up getSyncData()
std::vector< double >	samples_
	temporary vector holding recent samples of the sine (1 element per channel)
SampleBlock< double >	buffer_
	Buffer object used if blockwise data generation is set.
Static Private Attributes
static const HWThreadBuilderTemplateRegistrator < SineGenerator >	factory_registrator_

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Detailed Description

A dummy hardware device for simulation and testing purposes.

SineGenerator provides a fully functional and equivalent dummy hardware device for testing purposes without any external data acquisition device. It supports synchronous and asynchronous data acquisition. Data can be produced with freely selectable frequencies in a block-based or non-block based way. To achive a consistent access to hardware devices, this class is a derived class.

Bug:

Sometimes the SineGenerator crashes in Windows, especially using high sampling rates.

SineGenerator provides a fully functional and equivalent dummy hardware device for testing purposes without any external data acquisition device. It supports synchronous and asynchronous data acquisition. Data can be produced with freely selectable frequencies in a block-based or non-block based way. To achive a consistent access to hardware devices, this class is a derived class.

Definition at line 79 of file sine_generator.h.

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

• /home/breidi/Dropbox/signalserver/include/hardware/sine_generator.h
• /home/breidi/Dropbox/signalserver/include/hardware/sine_generator_no_artificial_base.h
• /home/breidi/Dropbox/signalserver/src/hardware/sine_generator.cpp
• /home/breidi/Dropbox/signalserver/src/hardware/sine_generator_no_artificial_base.cpp