GNU Radio's LIMESDR Package
gr::limesdr::sink_impl Class Reference

#include <sink_impl.h>

Inheritance diagram for gr::limesdr::sink_impl:
gr::limesdr::sink

Public Member Functions

 sink_impl (std::string serial, int channel_mode, const std::string &filename, const std::string &length_tag_name)
 
 ~sink_impl ()
 
int work (int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
 
bool start (void)
 
bool stop (void)
 
gr::io_signature::sptr args_to_io_signature (int channel_number)
 
void init_stream (int device_number, int channel)
 
void release_stream (int device_number, lms_stream_t *stream)
 
double set_center_freq (double freq, size_t chan=0)
 
void set_antenna (int antenna, int channel=0)
 
void toggle_pa_path (int device_number, bool enable)
 
void set_nco (float nco_freq, int channel=0)
 
double set_bandwidth (double analog_bandw, int channel=0)
 
void set_digital_filter (double digital_bandw, int channel=0)
 
unsigned set_gain (unsigned gain_dB, int channel=0)
 
double set_sample_rate (double rate)
 
void set_oversampling (int oversample)
 
void set_buffer_size (uint32_t size)
 
void calibrate (double bandw, int channel=0)
 
void set_tcxo_dac (uint16_t dacVal=125)
 
void write_lms_reg (uint32_t address, uint16_t val)
 
void set_gpio_dir (uint8_t dir)
 
void write_gpio (uint8_t out)
 
uint8_t read_gpio ()
 
virtual double set_center_freq (double freq, size_t chan=0)=0
 
virtual void set_antenna (int antenna, int channel=0)=0
 
virtual void set_nco (float nco_freq, int channel)=0
 
virtual double set_bandwidth (double analog_bandw, int channel=0)=0
 
virtual void set_digital_filter (double digital_bandw, int channel)=0
 
virtual unsigned set_gain (unsigned gain_dB, int channel=0)=0
 
virtual double set_sample_rate (double rate)=0
 
virtual void set_oversampling (int oversample)=0
 
virtual void calibrate (double bandw, int channel=0)=0
 
virtual void set_buffer_size (uint32_t size)=0
 
virtual void set_tcxo_dac (uint16_t dacVal=125)=0
 
virtual void write_lms_reg (uint32_t address, uint16_t val)=0
 
virtual void set_gpio_dir (uint8_t dir)=0
 
virtual void write_gpio (uint8_t out)=0
 
virtual uint8_t read_gpio ()=0
 

Additional Inherited Members

- Public Types inherited from gr::limesdr::sink
typedef std::shared_ptr< sinksptr
 
- Static Public Member Functions inherited from gr::limesdr::sink
static sptr make (std::string serial, int channel_mode, const std::string &filename, const std::string &length_tag_name)
 Return a shared_ptr to a new instance of sink. More...
 

Constructor & Destructor Documentation

◆ sink_impl()

gr::limesdr::sink_impl::sink_impl ( std::string  serial,
int  channel_mode,
const std::string &  filename,
const std::string &  length_tag_name 
)

◆ ~sink_impl()

gr::limesdr::sink_impl::~sink_impl ( )

Member Function Documentation

◆ args_to_io_signature()

gr::io_signature::sptr gr::limesdr::sink_impl::args_to_io_signature ( int  channel_number)
inline

◆ calibrate()

void gr::limesdr::sink_impl::calibrate ( double  bandw,
int  channel = 0 
)
virtual

Perform device calibration.

Parameters
bandwSet calibration bandwidth in Hz.
channelChannel selection: A(LMS_CH_0),B(LMS_CH_1).

Implements gr::limesdr::sink.

◆ init_stream()

void gr::limesdr::sink_impl::init_stream ( int  device_number,
int  channel 
)

◆ read_gpio()

uint8_t gr::limesdr::sink_impl::read_gpio ( )
virtual

Read GPIO inputs

Read GPIO inputs by calling LMS_GPIORead()

Returns
input level bitmap (eight bits, one for each pin)

Implements gr::limesdr::sink.

◆ release_stream()

void gr::limesdr::sink_impl::release_stream ( int  device_number,
lms_stream_t *  stream 
)

◆ set_antenna()

void gr::limesdr::sink_impl::set_antenna ( int  antenna,
int  channel = 0 
)
virtual

Set which antenna is used

Note
setting antenna to BAND1 or BAND2 will enable PA path and because of that Lime boards will transmit CW signal, even when stream is stopped.
Parameters
antennaAntenna to set: None(0), BAND1(1), BAND(2), NONE(3), AUTO(255)
channelChannel selection: A(LMS_CH_0),B(LMS_CH_1).

Implements gr::limesdr::sink.

◆ set_bandwidth()

double gr::limesdr::sink_impl::set_bandwidth ( double  analog_bandw,
int  channel = 0 
)
virtual

Set analog filters.

Parameters
analog_bandwChannel filter bandwidth in Hz.
channelChannel selection: A(LMS_CH_0),B(LMS_CH_1).
Returns
actual filter bandwidth in Hz

Implements gr::limesdr::sink.

◆ set_buffer_size()

void gr::limesdr::sink_impl::set_buffer_size ( uint32_t  size)
virtual

Set stream buffer size

Parameters
sizeFIFO buffer size in samples

Implements gr::limesdr::sink.

◆ set_center_freq()

double gr::limesdr::sink_impl::set_center_freq ( double  freq,
size_t  chan = 0 
)
virtual

Set center frequency

Parameters
freqFrequency to set in Hz
chanChannel (not used)
Returns
actual center frequency

Implements gr::limesdr::sink.

◆ set_digital_filter()

void gr::limesdr::sink_impl::set_digital_filter ( double  digital_bandw,
int  channel = 0 
)
virtual

Set digital filters (GFIR).

Parameters
digital_bandwChannel filter bandwidth in Hz.
channelChannel selection: A(LMS_CH_0),B(LMS_CH_1).

Implements gr::limesdr::sink.

◆ set_gain()

unsigned gr::limesdr::sink_impl::set_gain ( unsigned  gain_dB,
int  channel = 0 
)
virtual

Set the combined gain value in dB

Note
actual gain depends on LO frequency and analog LPF configuration and resulting output signal level may be different when those values are changed
Parameters
gain_dBDesired gain: [0,73] dB
channelChannel selection: A(LMS_CH_0),B(LMS_CH_1).
Returns
actual gain in dB

Implements gr::limesdr::sink.

◆ set_gpio_dir()

void gr::limesdr::sink_impl::set_gpio_dir ( uint8_t  dir)
virtual

Set GPIO direction

Set GPIO direction by calling LMS_GPIODirWrite()

Parameters
dirDirection bitmap (eight bits, one for each pin, 1 = output, 0 = input)

Implements gr::limesdr::sink.

◆ set_nco()

void gr::limesdr::sink_impl::set_nco ( float  nco_freq,
int  channel = 0 
)
virtual

Set NCO (numerically controlled oscillator). By selecting NCO frequency configure NCO. When NCO frequency is 0, NCO is off.

Parameters
nco_freqNCO frequency in Hz.
channelChannel index.

Implements gr::limesdr::sink.

◆ set_oversampling()

void gr::limesdr::sink_impl::set_oversampling ( int  oversample)
virtual

Set oversampling for both channels.

Parameters
oversampleOversampling value (0 (default),1,2,4,8,16,32).

Implements gr::limesdr::sink.

◆ set_sample_rate()

double gr::limesdr::sink_impl::set_sample_rate ( double  rate)
virtual

Set the same sample rate for both channels.

Parameters
rateSample rate in S/s.
Returns
actual sample rate in S/s

Implements gr::limesdr::sink.

◆ set_tcxo_dac()

void gr::limesdr::sink_impl::set_tcxo_dac ( uint16_t  dacVal = 125)
virtual

Set TCXO DAC.

Note
Care must be taken as this parameter is returned to default value only after power off.
LimeSDR-Mini default value is 180 range is [0,255] LimeSDR-USB default value is 125 range is [0,255] LimeSDR-PCIe default value is 134 range is [0,255] LimeNET-Micro default value is 30714 range is [0,65535]
Parameters
dacValDAC value (0-65535)

Implements gr::limesdr::sink.

◆ start()

bool gr::limesdr::sink_impl::start ( void  )

◆ stop()

bool gr::limesdr::sink_impl::stop ( void  )

◆ toggle_pa_path()

void gr::limesdr::sink_impl::toggle_pa_path ( int  device_number,
bool  enable 
)

◆ work()

int gr::limesdr::sink_impl::work ( int  noutput_items,
gr_vector_const_void_star &  input_items,
gr_vector_void_star &  output_items 
)

◆ write_gpio()

void gr::limesdr::sink_impl::write_gpio ( uint8_t  out)
virtual

Write GPIO outputs

Write GPIO outputs by calling LMS_GPIOWrite()

Parameters
outLevel bitmap (eight bits, one for each pin)

Implements gr::limesdr::sink.

◆ write_lms_reg()

void gr::limesdr::sink_impl::write_lms_reg ( uint32_t  address,
uint16_t  val 
)
virtual

Write LMS register

Writes a parameter by calling LMS_WriteLMSReg()

Parameters
addressAddress
valValue

Implements gr::limesdr::sink.


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