GNU Radio block for interfacing with various radio hardware
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gr-osmosdr/lib/source_iface.h

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/* -*- c++ -*- */
/*
* Copyright 2012 Dimitri Stolnikov <horiz0n@gmx.net>
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef OSMOSDR_SOURCE_IFACE_H
#define OSMOSDR_SOURCE_IFACE_H
#include <osmosdr/ranges.h>
#include <osmosdr/time_spec.h>
#include <gnuradio/basic_block.h>
/*!
* TODO: document
*
*/
class source_iface
{
public:
virtual ~source_iface() = default;
/*!
* Get the number of channels the underlying radio hardware offers.
* \return the number of available channels
*/
virtual size_t get_num_channels( void ) = 0;
/*!
* \brief seek file to \p seek_point relative to \p whence
*
* \param seek_point sample offset in file
* \param whence one of SEEK_SET, SEEK_CUR, SEEK_END (man fseek)
* \param chan the channel index 0 to N-1
* \return true on success
*/
virtual bool seek( long seek_point, int whence, size_t chan = 0 ) { return false; }
/*!
* Get the possible sample rates for the underlying radio hardware.
* \return a range of rates in Sps
*/
virtual osmosdr::meta_range_t get_sample_rates( void ) = 0;
/*!
* Set the sample rate for the underlying radio hardware.
* This also will select the appropriate IF bandpass, if applicable.
* \param rate a new rate in Sps
*/
virtual double set_sample_rate( double rate ) = 0;
/*!
* Get the sample rate for the underlying radio hardware.
* This is the actual sample rate and may differ from the rate set.
* \return the actual rate in Sps
*/
virtual double get_sample_rate( void ) = 0;
/*!
* Get the tunable frequency range for the underlying radio hardware.
* \param chan the channel index 0 to N-1
* \return the frequency range in Hz
*/
virtual osmosdr::freq_range_t get_freq_range( size_t chan = 0 ) = 0;
/*!
* Tune the underlying radio hardware to the desired center frequency.
* This also will select the appropriate RF bandpass.
* \param freq the desired frequency in Hz
* \param chan the channel index 0 to N-1
* \return the actual frequency in Hz
*/
virtual double set_center_freq( double freq, size_t chan = 0 ) = 0;
/*!
* Get the center frequency the underlying radio hardware is tuned to.
* This is the actual frequency and may differ from the frequency set.
* \param chan the channel index 0 to N-1
* \return the frequency in Hz
*/
virtual double get_center_freq( size_t chan = 0 ) = 0;
/*!
* Set the frequency correction value in parts per million.
* \param ppm the desired correction value in parts per million
* \param chan the channel index 0 to N-1
* \return correction value in parts per million
*/
virtual double set_freq_corr( double ppm, size_t chan = 0 ) = 0;
/*!
* Get the frequency correction value.
* \param chan the channel index 0 to N-1
* \return correction value in parts per million
*/
virtual double get_freq_corr( size_t chan = 0 ) = 0;
/*!
* Get the gain stage names of the underlying radio hardware.
* \param chan the channel index 0 to N-1
* \return a vector of strings containing the names of gain stages
*/
virtual std::vector<std::string> get_gain_names( size_t chan = 0 ) = 0;
/*!
* Get the settable overall gain range for the underlying radio hardware.
* \param chan the channel index 0 to N-1
* \return the gain range in dB
*/
virtual osmosdr::gain_range_t get_gain_range( size_t chan = 0 ) = 0;
/*!
* Get the settable gain range for a specific gain stage.
* \param name the name of the gain stage
* \param chan the channel index 0 to N-1
* \return the gain range in dB
*/
virtual osmosdr::gain_range_t get_gain_range( const std::string & name,
size_t chan = 0 ) = 0;
/*!
* Set the gain mode for the underlying radio hardware.
* This might be supported only for certain hardware types.
* \param automatic the gain mode (true means automatic gain mode)
* \param chan the channel index 0 to N-1
* \return the actual gain mode
*/
virtual bool set_gain_mode( bool automatic, size_t chan = 0 ) { return false; }
/*!
* Get the gain mode selected for the underlying radio hardware.
* \param chan the channel index 0 to N-1
* \return the actual gain mode (true means automatic gain mode)
*/
virtual bool get_gain_mode( size_t chan = 0 ) { return false; }
/*!
* 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.
* \param gain the gain in dB
* \param chan the channel index 0 to N-1
* \return the actual gain in dB
*/
virtual double set_gain( double gain, size_t chan = 0 ) = 0;
/*!
* Set the named gain on the underlying radio hardware.
* \param gain the gain in dB
* \param name the name of the gain stage
* \param chan the channel index 0 to N-1
* \return the actual gain in dB
*/
virtual double set_gain( double gain,
const std::string & name,
size_t chan = 0 ) = 0;
/*!
* Get the actual gain setting of the underlying radio hardware.
* \param chan the channel index 0 to N-1
* \return the actual gain in dB
*/
virtual double get_gain( size_t chan = 0 ) = 0;
/*!
* Get the actual gain setting of a named stage.
* \param name the name of the gain stage
* \param chan the channel index 0 to N-1
* \return the actual gain in dB
*/
virtual double get_gain( const std::string & name, size_t chan = 0 ) = 0;
/*!
* 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.
* \param gain the gain in dB
* \param chan the channel index 0 to N-1
* \return the actual gain in dB
*/
virtual double set_if_gain( double gain, size_t chan = 0 ) { return 0; }
/*!
* 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.
* \param gain the gain in dB
* \param chan the channel index 0 to N-1
* \return the actual gain in dB
*/
virtual double set_bb_gain( double gain, size_t chan = 0 ) { return 0; }
/*!
* Get the available antennas of the underlying radio hardware.
* \param chan the channel index 0 to N-1
* \return a vector of strings containing the names of available antennas
*/
virtual std::vector< std::string > get_antennas( size_t chan = 0 ) = 0;
/*!
* Select the active antenna of the underlying radio hardware.
* \param antenna the antenna name
* \param chan the channel index 0 to N-1
* \return the actual antenna's name
*/
virtual std::string set_antenna( const std::string & antenna,
size_t chan = 0 ) = 0;
/*!
* Get the actual underlying radio hardware antenna setting.
* \param chan the channel index 0 to N-1
* \return the actual antenna's name
*/
virtual std::string get_antenna( size_t chan = 0 ) = 0;
/*!
* 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.
*
* \param mode dc offset correction mode: 0 = Off, 1 = Manual, 2 = Automatic
* \param chan the channel index 0 to N-1
*/
virtual void set_dc_offset_mode( int mode, size_t chan = 0 ) { }
/*!
* Set a constant DC offset value.
* The value is complex to control both I and Q.
* Only set this when automatic correction is disabled.
*
* \param offset the dc offset (1.0 is full-scale)
* \param chan the channel index 0 to N-1
*/
virtual void set_dc_offset( const std::complex<double> &offset, size_t chan = 0 ) { }
/*!
* Set the RX frontend IQ balance mode.
*
* \param mode iq balance correction mode: 0 = Off, 1 = Manual, 2 = Automatic
* \param chan the channel index 0 to N-1
*/
virtual void set_iq_balance_mode( int mode, size_t chan = 0 ) { }
/*!
* Set the RX frontend IQ balance correction.
* Use this to adjust the magnitude and phase of I and Q.
*
* \param balance the complex correction value
* \param chan the channel index 0 to N-1
*/
virtual void set_iq_balance( const std::complex<double> &balance, size_t chan = 0 ) { }
/*!
* Set the bandpass filter on the radio frontend.
* \param bandwidth the filter bandwidth in Hz, set to 0 for automatic selection
* \param chan the channel index 0 to N-1
* \return the actual filter bandwidth in Hz
*/
virtual double set_bandwidth( double bandwidth, size_t chan = 0 ) { return 0; }
/*!
* Get the actual bandpass filter setting on the radio frontend.
* \param chan the channel index 0 to N-1
* \return the actual filter bandwidth in Hz
*/
virtual double get_bandwidth( size_t chan = 0 ) { return 0; }
/*!
* Get the possible bandpass filter settings on the radio frontend.
* \param chan the channel index 0 to N-1
* \return a range of bandwidths in Hz
*/
virtual osmosdr::freq_range_t get_bandwidth_range( size_t chan = 0 )
{ return osmosdr::freq_range_t(); }
/*!
* 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.
* \param source a string representing the time source
* \param mboard which motherboard to set the config
*/
virtual void set_time_source(const std::string &source,
const size_t mboard = 0) { }
/*!
* Get the currently set time source.
* \param mboard which motherboard to get the config
* \return the string representing the time source
*/
virtual std::string get_time_source(const size_t mboard) { return ""; }
/*!
* Get a list of possible time sources.
* \param mboard which motherboard to get the list
* \return a vector of strings for possible settings
*/
virtual std::vector<std::string> get_time_sources(const size_t mboard)
{
return std::vector<std::string>();
}
/*!
* Set the clock source for the device.
* This sets the source for a 10 Mhz reference clock.
* Typical options for source: internal, external, MIMO.
* \param source a string representing the clock source
* \param mboard which motherboard to set the config
*/
virtual void set_clock_source(const std::string &source,
const size_t mboard = 0) { }
/*!
* Get the currently set clock source.
* \param mboard which motherboard to get the config
* \return the string representing the clock source
*/
virtual std::string get_clock_source(const size_t mboard) { return ""; }
/*!
* Get a list of possible clock sources.
* \param mboard which motherboard to get the list
* \return a vector of strings for possible settings
*/
virtual std::vector<std::string> get_clock_sources(const size_t mboard)
{
return std::vector<std::string>();
}
/*!
* Get the master clock rate.
* \param mboard the motherboard index 0 to M-1
* \return the clock rate in Hz
*/
virtual double get_clock_rate(size_t mboard = 0) { return 0; }
/*!
* Set the master clock rate.
* \param rate the new rate in Hz
* \param mboard the motherboard index 0 to M-1
*/
virtual void set_clock_rate(double rate, size_t mboard = 0) { }
/*!
* Get the current time registers.
* \param mboard the motherboard index 0 to M-1
* \return the current device time
*/
virtual ::osmosdr::time_spec_t get_time_now(size_t mboard = 0)
{
return ::osmosdr::time_spec_t::get_system_time();
}
/*!
* Get the time when the last pps pulse occured.
* \param mboard the motherboard index 0 to M-1
* \return the current device time
*/
virtual ::osmosdr::time_spec_t get_time_last_pps(size_t mboard = 0)
{
return ::osmosdr::time_spec_t::get_system_time();
}
/*!
* Sets the time registers immediately.
* \param time_spec the new time
* \param mboard the motherboard index 0 to M-1
*/
virtual void set_time_now(const ::osmosdr::time_spec_t &time_spec,
size_t mboard = 0) { }
/*!
* Set the time registers at the next pps.
* \param time_spec the new time
*/
virtual void set_time_next_pps(const ::osmosdr::time_spec_t &time_spec) { }
/*!
* Sync the time registers with an unknown pps edge.
* \param time_spec the new time
*/
virtual void set_time_unknown_pps(const ::osmosdr::time_spec_t &time_spec) { }
};
#endif // OSMOSDR_SOURCE_IFACE_H