The Receive RF Path. More...

#include <USRPRX.hxx>

Inheritance diagram for SoDa::USRPRX:

Public Member Functions
	USRPRX (Params params, uhd::usrp::multi_usrp::sptr usrp, DatMBox _rx_stream, DatMBox _if_stream, CmdMBox _cmd_stream)
	The constructor. More...

void	run ()
	USRPRX is a thread – this is its run loop. More...

Public Member Functions inherited from SoDa::SoDaThread
	SoDaThread (const std::string &oname)

void	start ()
	Execute the threads run loop. More...

void	join ()
	more properly "Wait for this thread to exit its run loop". More...

bool	waitForJoin (unsigned int m)
	wait for the thread to stop running, or the specified time to pass. More...

void	execCommand (Command *cmd)
	Execute (dispatch) a message removed from the command stream to one of the basic Command handler functions. More...

Public Member Functions inherited from SoDa::SoDaBase
	SoDaBase (const std::string &oname)
	The constructor – pass a name for the object. More...

std::string &	getObjName ()
	get the name of this object More...

SoDaBase *	findSoDaObject (const std::string &oname)
	find a SoDa Object by name. More...

double	getTime ()
	Get a time stamp in nS resolution that monotonically increases and that is very inexpensive (typically < 100nS). More...

Public Member Functions inherited from SoDa::Debug
	Debug (std::string _unit_name=std::string("UNKNOWN"))

	Debug (const char *_unit_name_cstr)

	Debug (unsigned int _debug_level, std::string _unit_name=std::string("UNKNOWN"))

	Debug (unsigned int _debug_level, const char *_unit_name_cstr)

void	debugMsg (const std::string &msg, unsigned int threshold=1)

void	debugMsg (const boost::format &fmt, unsigned int threshold=1)

void	debugMsg (const char *msg, unsigned int threshold=1)

void	setDebugLevel (unsigned int v)

unsigned int	getDebugLevel ()

Private Member Functions
void	execCommand (Command *cmd)

void	execGetCommand (Command *cmd)
	optional method to handle "GET" commands – commands that request a response More...

void	execSetCommand (Command *cmd)
	optional method to handle "SET" commands – commands that set internal state in the object. More...

void	execRepCommand (Command *cmd)
	optional method that reports status or the result of some action. More...

void	startStream ()

void	stopStream ()

void	doMixer (SoDaBuf *inout)
	implement a complex down converter with complex multiplication More...

void	set3rdLOFreq (double IF_tuning)

Private Attributes
DatMBox *	rx_stream

DatMBox *	if_stream

CmdMBox *	cmd_stream

unsigned int	cmd_subs

uhd::rx_streamer::sptr	rx_bits

uhd::usrp::multi_usrp::sptr	usrp

unsigned int	rx_buffer_size

bool	audio_rx_stream_enabled

SoDa::Command::ModulationType	rx_modulation

UI *	ui

QuadratureOscillator	IF_osc

double	current_IF_tuning

double	rx_sample_rate

bool	enable_spectrum_report

int	outf [2]

int	scount

std::ofstream	rf_dumpfile

std::ofstream	if_dumpfile

Additional Inherited Members
Static Public Member Functions inherited from SoDa::Debug
static void	setDefaultLevel (unsigned int v)

static unsigned int	getDefaultLevel ()

static void	setGlobalLevel (unsigned int v)

static unsigned int	getGlobalLevel ()

Static Public Attributes inherited from SoDa::Debug
static boost::mutex	debug_msg_mutex

Protected Member Functions inherited from SoDa::Debug
std::string	curDateTime ()

Protected Attributes inherited from SoDa::Debug
std::string	unit_name
	the name of the unit reporting status More...

unsigned int	debug_level
	the debug level (threshold) for messages More...

Static Protected Attributes inherited from SoDa::Debug
static unsigned int	default_debug_level = 0

static unsigned int	global_debug_level = 0

Detailed Description

The Receive RF Path.

Definition at line 46 of file USRPRX.hxx.

Constructor & Destructor Documentation

◆ USRPRX()

SoDa::USRPRX::USRPRX	(	Params *	params,
		uhd::usrp::multi_usrp::sptr	usrp,
		DatMBox *	_rx_stream,
		DatMBox *	_if_stream,
		CmdMBox *	_cmd_stream
	)

The constructor.

Parameters

params	a pointer to a params object that will tell us about sample rates and other configuration details.
usrp	a pointer to the UHD USRP object that we are streaming data from.
_rx_stream	data mailbox used to pass the baseband (IF3) shifted incoming RF samples to other units
_if_stream	data mailbox used to pass the IF2 data to the spectrum units
_cmd_stream	data mailbox used to carry command, query, and report messages

Definition at line 42 of file USRPRX.cxx.

References audio_rx_stream_enabled, cmd_stream, cmd_subs, doFFTandDump(), enable_spectrum_report, SoDa::Params::getRFBufferSize(), SoDa::Params::getRXRate(), if_dumpfile, if_stream, rf_dumpfile, rx_bits, rx_buffer_size, rx_modulation, rx_sample_rate, rx_stream, scount, SoDa::MultiMBox< T >::subscribe(), ui, SoDa::Command::USB, and usrp.

Member Function Documentation

◆ doMixer()

void SoDa::USRPRX::doMixer ( SoDaBuf * inout )

private

implement a complex down converter with complex multiplication

This is a complex downconverter in the manner presented in Lyons pp 457-458

Parameters

inout the input/output RF buffer

Definition at line 187 of file USRPRX.cxx.

References SoDa::SoDaBuf::getComplexBuf(), SoDa::SoDaBuf::getComplexMaxLen(), IF_osc, and SoDa::QuadratureOscillator::stepOscCF().

Referenced by run().

◆ execCommand()

void SoDa::USRPRX::execCommand ( Command * cmd )

private

Definition at line 206 of file USRPRX.cxx.

References SoDa::Command::cmd, execGetCommand(), execRepCommand(), execSetCommand(), SoDa::Command::GET, SoDa::Command::REP, and SoDa::Command::SET.

Referenced by run().

◆ execGetCommand()

void SoDa::USRPRX::execGetCommand ( Command * cmd )

privatevirtual

optional method to handle "GET" commands – commands that request a response

Reimplemented from SoDa::SoDaThread.

Definition at line 280 of file USRPRX.cxx.

Referenced by execCommand().

◆ execRepCommand()

void SoDa::USRPRX::execRepCommand ( Command * cmd )

privatevirtual

optional method that reports status or the result of some action.

Reimplemented from SoDa::SoDaThread.

Definition at line 285 of file USRPRX.cxx.

Referenced by execCommand().

◆ execSetCommand()

void SoDa::USRPRX::execSetCommand ( Command * cmd )

privatevirtual

optional method to handle "SET" commands – commands that set internal state in the object.

Reimplemented from SoDa::SoDaThread.

Definition at line 240 of file USRPRX.cxx.

References current_IF_tuning, SoDa::Command::CW_L, SoDa::Command::CW_U, SoDa::Debug::debugMsg(), SoDa::Command::dparms, enable_spectrum_report, SoDa::Command::iparms, SoDa::Command::RX_LO3_FREQ, SoDa::Command::RX_MODE, rx_modulation, set3rdLOFreq(), startStream(), stopStream(), SoDa::Command::target, and SoDa::Command::TX_STATE.

Referenced by execCommand().

◆ run()

void SoDa::USRPRX::run ( )

virtual

USRPRX is a thread – this is its run loop.

Implements SoDa::SoDaThread.

Definition at line 104 of file USRPRX.cxx.

References SoDa::MultiMBox< T >::alloc(), audio_rx_stream_enabled, cmd_stream, cmd_subs, SoDa::SoDaBuf::copy(), SoDa::Debug::debugMsg(), doMixer(), enable_spectrum_report, execCommand(), SoDa::MultiMBox< T >::free(), SoDa::MultiMBox< T >::get(), SoDa::SoDaBuf::getComplexBuf(), SoDa::MultiMBox< T >::getSubscriberCount(), if_stream, SoDa::MultiMBox< T >::put(), rx_bits, rx_buffer_size, rx_stream, scount, SoDa::Command::STOP, stopStream(), and SoDa::Command::target.

◆ set3rdLOFreq()

void SoDa::USRPRX::set3rdLOFreq ( double IF_tuning )

private

Definition at line 198 of file USRPRX.cxx.

References SoDa::Debug::debugMsg(), IF_osc, rx_sample_rate, and SoDa::QuadratureOscillator::setPhaseIncr().

Referenced by execSetCommand().

◆ startStream()

void SoDa::USRPRX::startStream ( )

private

Definition at line 224 of file USRPRX.cxx.

References audio_rx_stream_enabled, and usrp.

Referenced by execSetCommand().

◆ stopStream()

void SoDa::USRPRX::stopStream ( )

private

Definition at line 233 of file USRPRX.cxx.

References audio_rx_stream_enabled, and usrp.

Referenced by execSetCommand(), and run().

Member Data Documentation

◆ audio_rx_stream_enabled

bool SoDa::USRPRX::audio_rx_stream_enabled

private

Definition at line 99 of file USRPRX.hxx.

Referenced by run(), startStream(), stopStream(), and USRPRX().

◆ cmd_stream

CmdMBox* SoDa::USRPRX::cmd_stream

private

Definition at line 89 of file USRPRX.hxx.

Referenced by run(), and USRPRX().

◆ cmd_subs

unsigned int SoDa::USRPRX::cmd_subs

private

Definition at line 90 of file USRPRX.hxx.

Referenced by run(), and USRPRX().

◆ current_IF_tuning

double SoDa::USRPRX::current_IF_tuning

private

Definition at line 108 of file USRPRX.hxx.

Referenced by execSetCommand().

◆ enable_spectrum_report

bool SoDa::USRPRX::enable_spectrum_report

private

Definition at line 112 of file USRPRX.hxx.

Referenced by execSetCommand(), run(), and USRPRX().

◆ if_dumpfile

std::ofstream SoDa::USRPRX::if_dumpfile

private

Definition at line 119 of file USRPRX.hxx.

Referenced by USRPRX().

◆ IF_osc

QuadratureOscillator SoDa::USRPRX::IF_osc

private

Definition at line 107 of file USRPRX.hxx.

Referenced by doMixer(), and set3rdLOFreq().

◆ if_stream

DatMBox* SoDa::USRPRX::if_stream

private

Definition at line 88 of file USRPRX.hxx.

Referenced by run(), and USRPRX().

◆ outf

int SoDa::USRPRX::outf[2]

private

Definition at line 115 of file USRPRX.hxx.

◆ rf_dumpfile

std::ofstream SoDa::USRPRX::rf_dumpfile

private

Definition at line 118 of file USRPRX.hxx.

Referenced by USRPRX().

◆ rx_bits

uhd::rx_streamer::sptr SoDa::USRPRX::rx_bits

private

Definition at line 93 of file USRPRX.hxx.

Referenced by run(), and USRPRX().

◆ rx_buffer_size

unsigned int SoDa::USRPRX::rx_buffer_size

private

Definition at line 96 of file USRPRX.hxx.

Referenced by run(), and USRPRX().

◆ rx_modulation

SoDa::Command::ModulationType SoDa::USRPRX::rx_modulation

private

Definition at line 101 of file USRPRX.hxx.

Referenced by execSetCommand(), and USRPRX().

◆ rx_sample_rate

double SoDa::USRPRX::rx_sample_rate

private

Definition at line 109 of file USRPRX.hxx.

Referenced by set3rdLOFreq(), and USRPRX().

◆ rx_stream

DatMBox* SoDa::USRPRX::rx_stream

private

Definition at line 87 of file USRPRX.hxx.

Referenced by run(), and USRPRX().

◆ scount

int SoDa::USRPRX::scount

private

Definition at line 116 of file USRPRX.hxx.

Referenced by run(), and USRPRX().

◆ ui

UI* SoDa::USRPRX::ui

private

Definition at line 104 of file USRPRX.hxx.

Referenced by USRPRX().

◆ usrp

uhd::usrp::multi_usrp::sptr SoDa::USRPRX::usrp

private

Definition at line 94 of file USRPRX.hxx.

Referenced by startStream(), stopStream(), and USRPRX().

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

src/USRPRX.hxx
src/USRPRX.cxx

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ USRPRX()

Member Function Documentation

◆ doMixer()

◆ execCommand()

◆ execGetCommand()

◆ execRepCommand()

◆ execSetCommand()

◆ run()

◆ set3rdLOFreq()

◆ startStream()

◆ stopStream()

Member Data Documentation

◆ audio_rx_stream_enabled

◆ cmd_stream

◆ cmd_subs

◆ current_IF_tuning

◆ enable_spectrum_report

◆ if_dumpfile

◆ IF_osc

◆ if_stream

◆ outf

◆ rf_dumpfile

◆ rx_bits

◆ rx_buffer_size

◆ rx_modulation

◆ rx_sample_rate

◆ rx_stream

◆ scount

◆ ui

◆ usrp