NTLabFileSignalSource Class Reference

Class that reads signals samples from a file and adapts it to a SignalSourceInterface. More...

#include <ntlab_file_signal_source.h>

Inheritance diagram for NTLabFileSignalSource:

Public Member Functions
	NTLabFileSignalSource (const ConfigurationInterface *configuration, const std::string &role, unsigned int in_streams, unsigned int out_streams, Concurrent_Queue< pmt::pmt_t > *queue)
gr::basic_block_sptr	get_left_block () override
gr::basic_block_sptr	get_right_block () override
Public Member Functions inherited from FileSourceBase
void	connect (gr::top_block_sptr top_block) override
void	disconnect (gr::top_block_sptr top_block) override
std::string	filename () const
	The file to read.
std::string	item_type () const
	The item type.
size_t	item_size () override
	The configured size of each item.
virtual size_t	item_size () const
bool	repeat () const
	Whether to repeat reading after end-of-file.
int64_t	sampling_frequency () const
	The sampling frequency of the source file.
uint64_t	samples () const
	The number of samples in the file.
Public Member Functions inherited from SignalSourceBase
std::string	role () final
std::string	implementation () final
size_t	getRfChannels () const override
gr::basic_block_sptr	get_left_block () override
Public Member Functions inherited from GNSSBlockInterface
virtual gr::basic_block_sptr	get_left_block (int RF_channel)
virtual gr::basic_block_sptr	get_right_block (int RF_channel)
virtual void	start ()
	Start the flow of samples if needed.

Protected Member Functions
std::tuple< size_t, bool >	itemTypeToSize () override
	Compute the item size, from the item_type(). Subclasses may constrain types that don't make.
double	packetsPerSample () const override
	The number of (possibly unpacked) samples in a (raw) file sample (default=1).
gnss_shared_ptr< gr::block >	source () const override
	Abstracted front-end source. Sub-classes may override if they create specialized chains to decode source files into a usable format.
void	create_file_source_hook () override
void	pre_connect_hook (gr::top_block_sptr top_block) override
void	pre_disconnect_hook (gr::top_block_sptr top_block) override
Protected Member Functions inherited from FileSourceBase
	FileSourceBase (ConfigurationInterface const *configuration, std::string const &role, std::string impl, Concurrent_Queue< pmt::pmt_t > *queue, std::string default_item_type="short")
	Constructor.
void	init ()
	Perform post-construction initialization.
virtual uint64_t	samplesToSkip () const
	Compute the number of samples to skip.
uint64_t	computeSamplesInFile () const
	Compute the number of samples in the file.
virtual size_t	source_item_size () const
	For complex source chains, the size of the file item may not be the same as the size of the.
bool	is_complex () const
gnss_shared_ptr< gr::block >	file_source () const
gnss_shared_ptr< gr::block >	valve () const
gnss_shared_ptr< gr::block >	throttle () const
gnss_shared_ptr< gr::block >	sink () const
SensorDataSource::sptr	sensor_data_source () const
gr::blocks::file_source::sptr	create_file_source ()
gr::blocks::throttle::sptr	create_throttle ()
gnss_shared_ptr< gr::block >	create_valve ()
gr::blocks::file_sink::sptr	create_sink ()
SensorDataSource::sptr	create_sensor_data_source ()
virtual void	create_throttle_hook ()
virtual void	create_valve_hook ()
virtual void	create_sink_hook ()
virtual void	post_connect_hook (gr::top_block_sptr top_block)
virtual void	post_disconnect_hook (gr::top_block_sptr top_block)
Protected Member Functions inherited from SignalSourceBase
	SignalSourceBase (ConfigurationInterface const *configuration, std::string role, std::string impl)
	Constructor.
size_t	decode_item_type (std::string const &item_type, bool *is_interleaved=nullptr, bool throw_on_error=false)
	utility for decoding passed ".item_type" values

Detailed Description

Class that reads signals samples from a file and adapts it to a SignalSourceInterface.

Definition at line 43 of file ntlab_file_signal_source.h.

Member Function Documentation

create_file_source_hook()

void NTLabFileSignalSource::create_file_source_hook ( )

overrideprotectedvirtual

Reimplemented from FileSourceBase.

get_left_block()

gr::basic_block_sptr NTLabFileSignalSource::get_left_block ( )

overridevirtual

Reimplemented from FileSourceBase.

get_right_block()

gr::basic_block_sptr NTLabFileSignalSource::get_right_block ( )

overridevirtual

Reimplemented from FileSourceBase.

itemTypeToSize()

std::tuple< size_t, bool > NTLabFileSignalSource::itemTypeToSize ( )

overrideprotectedvirtual

Compute the item size, from the item_type(). Subclasses may constrain types that don't make.

Reimplemented from FileSourceBase.

packetsPerSample()

double NTLabFileSignalSource::packetsPerSample ( ) const

overrideprotectedvirtual

The number of (possibly unpacked) samples in a (raw) file sample (default=1).

Reimplemented from FileSourceBase.

pre_connect_hook()

void NTLabFileSignalSource::pre_connect_hook ( gr::top_block_sptr top_block )

overrideprotectedvirtual

Reimplemented from FileSourceBase.

pre_disconnect_hook()

void NTLabFileSignalSource::pre_disconnect_hook ( gr::top_block_sptr top_block )

overrideprotectedvirtual

Reimplemented from FileSourceBase.

source()

gnss_shared_ptr< gr::block > NTLabFileSignalSource::source ( ) const

overrideprotectedvirtual

Abstracted front-end source. Sub-classes may override if they create specialized chains to decode source files into a usable format.

Reimplemented from FileSourceBase.

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

• ntlab_file_signal_source.h