Provides a stream of complex samples. More...

#include <source.h>

Inheritance diagram for osmosdr::source:

Public Types
enum	DCOffsetMode { DCOffsetOff = 0 , DCOffsetManual , DCOffsetAutomatic }

enum	IQBalanceMode { IQBalanceOff = 0 , IQBalanceManual , IQBalanceAutomatic }

typedef std::shared_ptr< source >	sptr

Public Member Functions
virtual size_t	get_num_channels (void)=0

virtual bool	seek (long seek_point, int whence, size_t chan=0)=0
	seek file to `seek_point` relative to `whence` More...

virtual osmosdr::meta_range_t	get_sample_rates (void)=0

virtual double	set_sample_rate (double rate)=0

virtual double	get_sample_rate (void)=0

virtual osmosdr::freq_range_t	get_freq_range (size_t chan=0)=0

virtual double	set_center_freq (double freq, size_t chan=0)=0

virtual double	get_center_freq (size_t chan=0)=0

virtual double	set_freq_corr (double ppm, size_t chan=0)=0

virtual double	get_freq_corr (size_t chan=0)=0

virtual std::vector< std::string >	get_gain_names (size_t chan=0)=0

virtual osmosdr::gain_range_t	get_gain_range (size_t chan=0)=0

virtual osmosdr::gain_range_t	get_gain_range (const std::string &name, size_t chan=0)=0

virtual bool	set_gain_mode (bool automatic, size_t chan=0)=0

virtual bool	get_gain_mode (size_t chan=0)=0

virtual double	set_gain (double gain, size_t chan=0)=0

virtual double	set_gain (double gain, const std::string &name, size_t chan=0)=0

virtual double	get_gain (size_t chan=0)=0

virtual double	get_gain (const std::string &name, size_t chan=0)=0

virtual double	set_if_gain (double gain, size_t chan=0)=0

virtual double	set_bb_gain (double gain, size_t chan=0)=0

virtual std::vector< std::string >	get_antennas (size_t chan=0)=0

virtual std::string	set_antenna (const std::string &antenna, size_t chan=0)=0

virtual std::string	get_antenna (size_t chan=0)=0

virtual void	set_dc_offset_mode (int mode, size_t chan=0)=0

virtual void	set_dc_offset (const std::complex< double > &offset, size_t chan=0)=0

virtual void	set_iq_balance_mode (int mode, size_t chan=0)=0

virtual void	set_iq_balance (const std::complex< double > &balance, size_t chan=0)=0

virtual double	set_bandwidth (double bandwidth, size_t chan=0)=0

virtual double	get_bandwidth (size_t chan=0)=0

virtual osmosdr::freq_range_t	get_bandwidth_range (size_t chan=0)=0

virtual void	set_time_source (const std::string &source, const size_t mboard=0)=0

virtual std::string	get_time_source (const size_t mboard)=0

virtual std::vector< std::string >	get_time_sources (const size_t mboard)=0

virtual void	set_clock_source (const std::string &source, const size_t mboard=0)=0

virtual std::string	get_clock_source (const size_t mboard)=0

virtual std::vector< std::string >	get_clock_sources (const size_t mboard)=0

virtual double	get_clock_rate (size_t mboard=0)=0

virtual void	set_clock_rate (double rate, size_t mboard=0)=0

virtual ::osmosdr::time_spec_t	get_time_now (size_t mboard=0)=0

virtual ::osmosdr::time_spec_t	get_time_last_pps (size_t mboard=0)=0

virtual void	set_time_now (const ::osmosdr::time_spec_t &time_spec, size_t mboard=0)=0

virtual void	set_time_next_pps (const ::osmosdr::time_spec_t &time_spec)=0

virtual void	set_time_unknown_pps (const ::osmosdr::time_spec_t &time_spec)=0

Static Public Member Functions
static sptr	make (const std::string &args="")
	Return a shared_ptr to a new instance of source. More...

Detailed Description

Provides a stream of complex samples.

This uses the preferred technique: subclassing gr::hier_block2.

Member Typedef Documentation

◆ sptr

typedef std::shared_ptr< source > osmosdr::source::sptr

Member Enumeration Documentation

◆ DCOffsetMode

enum osmosdr::source::DCOffsetMode

Enumerator
DCOffsetOff
DCOffsetManual
DCOffsetAutomatic

◆ IQBalanceMode

enum osmosdr::source::IQBalanceMode

Enumerator
IQBalanceOff
IQBalanceManual
IQBalanceAutomatic

Member Function Documentation

◆ get_antenna()

virtual std::string osmosdr::source::get_antenna ( size_t chan = 0 )

pure virtual

Get the actual underlying radio hardware antenna setting.

Parameters

chan	the channel index 0 to N-1

Returns: the actual antenna's name

Implemented in source_impl.

◆ get_antennas()

virtual std::vector< std::string > osmosdr::source::get_antennas ( size_t chan = 0 )

pure virtual

Get the available antennas of the underlying radio hardware.

Parameters

chan	the channel index 0 to N-1

Returns: a vector of strings containing the names of available antennas

Implemented in source_impl.

◆ get_bandwidth()

virtual double osmosdr::source::get_bandwidth ( size_t chan = 0 )

pure virtual

Get the actual bandpass filter setting on the radio frontend.

Parameters

chan	the channel index 0 to N-1

Returns: the actual filter bandwidth in Hz

Implemented in source_impl.

◆ get_bandwidth_range()

virtual osmosdr::freq_range_t osmosdr::source::get_bandwidth_range ( size_t chan = 0 )

pure virtual

Get the possible bandpass filter settings on the radio frontend.

Parameters

chan	the channel index 0 to N-1

Returns: a range of bandwidths in Hz

Implemented in source_impl.

◆ get_center_freq()

virtual double osmosdr::source::get_center_freq ( size_t chan = 0 )

pure virtual

Get the center frequency the underlying radio hardware is tuned to. This is the actual frequency and may differ from the frequency set.

Parameters

chan	the channel index 0 to N-1

Returns: the frequency in Hz

Implemented in source_impl.

◆ get_clock_rate()

virtual double osmosdr::source::get_clock_rate ( size_t mboard = 0 )

pure virtual

Get the master clock rate.

Parameters

mboard the motherboard index 0 to M-1

Returns: the clock rate in Hz

Implemented in source_impl.

◆ get_clock_source()

virtual std::string osmosdr::source::get_clock_source ( const size_t mboard )

pure virtual

Get the currently set clock source.

Parameters

mboard which motherboard to get the config

Returns: the string representing the clock source

Implemented in source_impl.

◆ get_clock_sources()

virtual std::vector<std::string> osmosdr::source::get_clock_sources ( const size_t mboard )

pure virtual

Get a list of possible clock sources.

Parameters

mboard which motherboard to get the list

Returns: a vector of strings for possible settings

Implemented in source_impl.

◆ get_freq_corr()

virtual double osmosdr::source::get_freq_corr ( size_t chan = 0 )

pure virtual

Get the frequency correction value.

Parameters

chan	the channel index 0 to N-1

Returns: correction value in parts per million

Implemented in source_impl.

◆ get_freq_range()

virtual osmosdr::freq_range_t osmosdr::source::get_freq_range ( size_t chan = 0 )

pure virtual

Get the tunable frequency range for the underlying radio hardware.

Parameters

chan	the channel index 0 to N-1

Returns: the frequency range in Hz

Implemented in source_impl.

◆ get_gain() [1/2]

virtual double osmosdr::source::get_gain	(	const std::string &	name,
		size_t	chan = `0`
	)

pure virtual

Get the actual gain setting of a named stage.

Parameters

name	the name of the gain stage
chan	the channel index 0 to N-1

Returns: the actual gain in dB

Implemented in source_impl.

◆ get_gain() [2/2]

virtual double osmosdr::source::get_gain ( size_t chan = 0 )

pure virtual

Get the actual gain setting of the underlying radio hardware.

Parameters

chan	the channel index 0 to N-1

Returns: the actual gain in dB

Implemented in source_impl.

◆ get_gain_mode()

virtual bool osmosdr::source::get_gain_mode ( size_t chan = 0 )

pure virtual

Get the gain mode selected for the underlying radio hardware.

Parameters

chan	the channel index 0 to N-1

Returns: the actual gain mode (true means automatic gain mode)

Implemented in source_impl.

◆ get_gain_names()

virtual std::vector<std::string> osmosdr::source::get_gain_names ( size_t chan = 0 )

pure virtual

Get the gain stage names of the underlying radio hardware.

Parameters

chan	the channel index 0 to N-1

Returns: a vector of strings containing the names of gain stages

Implemented in source_impl.

◆ get_gain_range() [1/2]

virtual osmosdr::gain_range_t osmosdr::source::get_gain_range	(	const std::string &	name,
		size_t	chan = `0`
	)

pure virtual

Get the settable gain range for a specific gain stage.

Parameters

name	the name of the gain stage
chan	the channel index 0 to N-1

Returns: the gain range in dB

Implemented in source_impl.

◆ get_gain_range() [2/2]

virtual osmosdr::gain_range_t osmosdr::source::get_gain_range ( size_t chan = 0 )

pure virtual

Get the settable overall gain range for the underlying radio hardware.

Parameters

chan	the channel index 0 to N-1

Returns: the gain range in dB

Implemented in source_impl.

◆ get_num_channels()

virtual size_t osmosdr::source::get_num_channels ( void )

pure virtual

Get the number of channels the underlying radio hardware offers.

Returns: the number of available channels

Implemented in source_impl.

◆ get_sample_rate()

virtual double osmosdr::source::get_sample_rate ( void )

pure virtual

Get the sample rate for the underlying radio hardware. This is the actual sample rate and may differ from the rate set.

Returns: the actual rate in Sps

Implemented in source_impl.

◆ get_sample_rates()

virtual osmosdr::meta_range_t osmosdr::source::get_sample_rates ( void )

pure virtual

Get the possible sample rates for the underlying radio hardware.

Returns: a range of rates in Sps

Implemented in source_impl.

◆ get_time_last_pps()

virtual ::osmosdr::time_spec_t osmosdr::source::get_time_last_pps ( size_t mboard = 0 )

pure virtual

Get the time when the last pps pulse occured.

Parameters

mboard the motherboard index 0 to M-1

Returns: the current device time

Implemented in source_impl.

◆ get_time_now()

virtual ::osmosdr::time_spec_t osmosdr::source::get_time_now ( size_t mboard = 0 )

pure virtual

Get the current time registers.

Parameters

mboard the motherboard index 0 to M-1

Returns: the current device time

Implemented in source_impl.

◆ get_time_source()

virtual std::string osmosdr::source::get_time_source ( const size_t mboard )

pure virtual

Get the currently set time source.

Parameters

mboard which motherboard to get the config

Returns: the string representing the time source

Implemented in source_impl.

◆ get_time_sources()

virtual std::vector<std::string> osmosdr::source::get_time_sources ( const size_t mboard )

pure virtual

Get a list of possible time sources.

Parameters

mboard which motherboard to get the list

Returns: a vector of strings for possible settings

Implemented in source_impl.

◆ make()

static sptr osmosdr::source::make ( const std::string & args = "" )

static

Return a shared_ptr to a new instance of source.

To avoid accidental use of raw pointers, source's constructor is private. osmosdr::source::make is the public interface for creating new instances.

Parameters

args	the address to identify the hardware

Returns: a new osmosdr source block object

◆ seek()

virtual bool osmosdr::source::seek	(	long	seek_point,
		int	whence,
		size_t	chan = `0`
	)

pure virtual

seek file to seek_point relative to whence

Parameters

seek_point	sample offset in file
whence	one of SEEK_SET, SEEK_CUR, SEEK_END (man fseek)
chan	the channel index 0 to N-1

Returns: true on success

Implemented in source_impl.

◆ set_antenna()

virtual std::string osmosdr::source::set_antenna	(	const std::string &	antenna,
		size_t	chan = `0`
	)

pure virtual

Select the active antenna of the underlying radio hardware.

Parameters

antenna	name of the antenna to be selected
chan	the channel index 0 to N-1

Returns: the actual antenna's name

Implemented in source_impl.

◆ set_bandwidth()

virtual double osmosdr::source::set_bandwidth	(	double	bandwidth,
		size_t	chan = `0`
	)

pure virtual

Set the bandpass filter on the radio frontend.

Parameters

bandwidth	the filter bandwidth in Hz, set to 0 for automatic selection
chan	the channel index 0 to N-1

Returns: the actual filter bandwidth in Hz

Implemented in source_impl.

◆ set_bb_gain()

virtual double osmosdr::source::set_bb_gain	(	double	gain,
		size_t	chan = `0`
	)

pure virtual

Set the BB gain for the underlying radio hardware. This function will automatically distribute the desired gain value over available BB gain stages in an appropriate way and return the actual value.

Parameters

gain	the gain in dB
chan	the channel index 0 to N-1

Returns: the actual gain in dB

Implemented in source_impl.

◆ set_center_freq()

virtual double osmosdr::source::set_center_freq	(	double	freq,
		size_t	chan = `0`
	)

pure virtual

Tune the underlying radio hardware to the desired center frequency. This also will select the appropriate RF bandpass.

Parameters

freq	the desired frequency in Hz
chan	the channel index 0 to N-1

Returns: the actual frequency in Hz

Implemented in source_impl.

◆ set_clock_rate()

virtual void osmosdr::source::set_clock_rate	(	double	rate,
		size_t	mboard = `0`
	)

pure virtual

Set the master clock rate.

Parameters

rate	the new rate in Hz
mboard	the motherboard index 0 to M-1

Implemented in source_impl.

◆ set_clock_source()

virtual void osmosdr::source::set_clock_source	(	const std::string &	source,
		const size_t	mboard = `0`
	)

pure virtual

Set the clock source for the device. This sets the source for a 10 Mhz reference clock. Typical options for source: internal, external, MIMO.

Parameters

source	a string representing the clock source
mboard	which motherboard to set the config

Implemented in source_impl.

◆ set_dc_offset()

virtual void osmosdr::source::set_dc_offset	(	const std::complex< double > &	offset,
		size_t	chan = `0`
	)

pure virtual

Set the RX frontend DC offset value. The value is complex to control both I and Q. Only set this when automatic correction is disabled.

Parameters

offset	the dc offset (1.0 is full-scale)
chan	the channel index 0 to N-1

Implemented in source_impl.

◆ set_dc_offset_mode()

virtual void osmosdr::source::set_dc_offset_mode	(	int	mode,
		size_t	chan = `0`
	)

pure virtual

Set the RX frontend DC correction mode. The automatic correction subtracts out the long-run average.

When disabled, the averaging option operation is reset. Once in Manual mode, the average value will be held constant until the user re-enables the automatic correction or overrides the value by manually setting the offset.

Parameters

mode	dc offset correction mode: 0 = Off, 1 = Manual, 2 = Automatic
chan	the channel index 0 to N-1

Implemented in source_impl.

◆ set_freq_corr()

virtual double osmosdr::source::set_freq_corr	(	double	ppm,
		size_t	chan = `0`
	)

pure virtual

Set the frequency correction value in parts per million.

Parameters

ppm	the desired correction value in parts per million
chan	the channel index 0 to N-1

Returns: correction value in parts per million

Implemented in source_impl.

◆ set_gain() [1/2]

virtual double osmosdr::source::set_gain	(	double	gain,
		const std::string &	name,
		size_t	chan = `0`
	)

pure virtual

Set the named gain on the underlying radio hardware.

Parameters

gain	the gain in dB
name	the name of the gain stage
chan	the channel index 0 to N-1

Returns: the actual gain in dB

Implemented in source_impl.

◆ set_gain() [2/2]

virtual double osmosdr::source::set_gain	(	double	gain,
		size_t	chan = `0`
	)

pure virtual

Set the gain for the underlying radio hardware. This function will automatically distribute the desired gain value over available gain stages in an appropriate way and return the actual value.

Parameters

gain	the gain in dB
chan	the channel index 0 to N-1

Returns: the actual gain in dB

Implemented in source_impl.

◆ set_gain_mode()

virtual bool osmosdr::source::set_gain_mode	(	bool	automatic,
		size_t	chan = `0`
	)

pure virtual

Set the gain mode for the underlying radio hardware. This might be supported only for certain hardware types.

Parameters

automatic	the gain mode (true means automatic gain mode)
chan	the channel index 0 to N-1

Returns: the actual gain mode

Implemented in source_impl.

◆ set_if_gain()

virtual double osmosdr::source::set_if_gain	(	double	gain,
		size_t	chan = `0`
	)

pure virtual

Set the IF gain for the underlying radio hardware. This function will automatically distribute the desired gain value over available IF gain stages in an appropriate way and return the actual value.

Parameters

gain	the gain in dB
chan	the channel index 0 to N-1

Returns: the actual gain in dB

Implemented in source_impl.

◆ set_iq_balance()

virtual void osmosdr::source::set_iq_balance	(	const std::complex< double > &	balance,
		size_t	chan = `0`
	)

pure virtual

Set the RX frontend IQ balance correction. Use this to adjust the magnitude and phase of I and Q.

Parameters

balance	the complex correction value
chan	the channel index 0 to N-1

Implemented in source_impl.

◆ set_iq_balance_mode()

virtual void osmosdr::source::set_iq_balance_mode	(	int	mode,
		size_t	chan = `0`
	)

pure virtual

Set the RX frontend IQ balance mode.

Parameters

mode	iq balance correction mode: 0 = Off, 1 = Manual, 2 = Automatic
chan	the channel index 0 to N-1

Implemented in source_impl.

◆ set_sample_rate()

virtual double osmosdr::source::set_sample_rate ( double rate )

pure virtual

Set the sample rate for the underlying radio hardware. This also will select the appropriate IF bandpass, if applicable.

Parameters

rate	a new rate in Sps

Implemented in source_impl.

◆ set_time_next_pps()

virtual void osmosdr::source::set_time_next_pps ( const ::osmosdr::time_spec_t & time_spec )

pure virtual

Set the time registers at the next pps.

Parameters

time_spec the new time

Implemented in source_impl.

◆ set_time_now()

virtual void osmosdr::source::set_time_now	(	const ::osmosdr::time_spec_t &	time_spec,
		size_t	mboard = `0`
	)

pure virtual

Sets the time registers immediately.

Parameters

time_spec	the new time
mboard	the motherboard index 0 to M-1

Implemented in source_impl.

◆ set_time_source()

virtual void osmosdr::source::set_time_source	(	const std::string &	source,
		const size_t	mboard = `0`
	)

pure virtual

Set the time source for the device. This sets the method of time synchronization, typically a pulse per second or an encoded time. Typical options for source: external, MIMO.

Parameters

source	a string representing the time source
mboard	which motherboard to set the config

Implemented in source_impl.

◆ set_time_unknown_pps()

virtual void osmosdr::source::set_time_unknown_pps ( const ::osmosdr::time_spec_t & time_spec )

pure virtual

Sync the time registers with an unknown pps edge.

Parameters

time_spec the new time

Implemented in source_impl.

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

source.h

Public Types

Public Member Functions

Static Public Member Functions

Detailed Description

Member Typedef Documentation

◆ sptr

Member Enumeration Documentation

◆ DCOffsetMode

◆ IQBalanceMode

Member Function Documentation

◆ get_antenna()

◆ get_antennas()

◆ get_bandwidth()

◆ get_bandwidth_range()

◆ get_center_freq()

◆ get_clock_rate()

◆ get_clock_source()

◆ get_clock_sources()

◆ get_freq_corr()

◆ get_freq_range()

◆ get_gain() [1/2]

◆ get_gain() [2/2]

◆ get_gain_mode()

◆ get_gain_names()

◆ get_gain_range() [1/2]

◆ get_gain_range() [2/2]

◆ get_num_channels()

◆ get_sample_rate()

◆ get_sample_rates()

◆ get_time_last_pps()

◆ get_time_now()

◆ get_time_source()

◆ get_time_sources()

◆ make()

◆ seek()

◆ set_antenna()

◆ set_bandwidth()

◆ set_bb_gain()

◆ set_center_freq()

◆ set_clock_rate()

◆ set_clock_source()

◆ set_dc_offset()

◆ set_dc_offset_mode()

◆ set_freq_corr()

◆ set_gain() [1/2]

◆ set_gain() [2/2]

◆ set_gain_mode()

◆ set_if_gain()

◆ set_iq_balance()

◆ set_iq_balance_mode()

◆ set_sample_rate()

◆ set_time_next_pps()

◆ set_time_now()

◆ set_time_source()

◆ set_time_unknown_pps()