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Diffstat (limited to 'lib/airspyhf/airspyhf_source_c.cc')
| -rw-r--r-- | lib/airspyhf/airspyhf_source_c.cc | 437 |
1 files changed, 0 insertions, 437 deletions
diff --git a/lib/airspyhf/airspyhf_source_c.cc b/lib/airspyhf/airspyhf_source_c.cc deleted file mode 100644 index 26e0134..0000000 --- a/lib/airspyhf/airspyhf_source_c.cc +++ /dev/null @@ -1,437 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2013 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. - */ - -/* - * config.h is generated by configure. It contains the results - * of probing for features, options etc. It should be the first - * file included in your .cc file. - */ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <stdexcept> -#include <iostream> -#include <algorithm> - -#include <boost/assign.hpp> -#include <boost/format.hpp> -#include <boost/algorithm/string.hpp> -#include <boost/thread/thread.hpp> - -#include <gnuradio/io_signature.h> - -#include "airspyhf_source_c.h" -#include "arg_helpers.h" - -using namespace boost::assign; - -#define AIRSPYHF_FORMAT_ERROR(ret, msg) \ - boost::str( boost::format(msg " (%1%)") % ret ) - -#define AIRSPYHF_THROW_ON_ERROR(ret, msg) \ - if ( ret != AIRSPYHF_SUCCESS ) \ - { \ - throw std::runtime_error( AIRSPYHF_FORMAT_ERROR(ret, msg) ); \ - } - -#define AIRSPYHF_FUNC_STR(func, arg) \ - boost::str(boost::format(func "(%1%)") % arg) + " has failed" - -airspyhf_source_c_sptr make_airspyhf_source_c (const std::string & args) -{ - return gnuradio::get_initial_sptr(new airspyhf_source_c (args)); -} - -/* - * Specify constraints on number of input and output streams. - * This info is used to construct the input and output signatures - * (2nd & 3rd args to gr::block's constructor). The input and - * output signatures are used by the runtime system to - * check that a valid number and type of inputs and outputs - * are connected to this block. In this case, we accept - * only 0 input and 1 output. - */ -static const int MIN_IN = 0; // mininum number of input streams -static const int MAX_IN = 0; // maximum number of input streams -static const int MIN_OUT = 1; // minimum number of output streams -static const int MAX_OUT = 1; // maximum number of output streams - -/* - * The private constructor - */ -airspyhf_source_c::airspyhf_source_c (const std::string &args) - : gr::sync_block ("airspyhf_source_c", - gr::io_signature::make(MIN_IN, MAX_IN, sizeof (gr_complex)), - gr::io_signature::make(MIN_OUT, MAX_OUT, sizeof (gr_complex))), - _dev(NULL), - _sample_rate(0), - _center_freq(0), - _freq_corr(0) -{ - int ret; - - dict_t dict = params_to_dict(args); - - _dev = NULL; - ret = airspyhf_open( &_dev ); - AIRSPYHF_THROW_ON_ERROR(ret, "Failed to open Airspy HF+ device") - - uint32_t num_rates; - airspyhf_get_samplerates(_dev, &num_rates, 0); - uint32_t *samplerates = (uint32_t *) malloc(num_rates * sizeof(uint32_t)); - airspyhf_get_samplerates(_dev, samplerates, num_rates); - for (size_t i = 0; i < num_rates; i++) - _sample_rates.push_back( std::pair<double, uint32_t>( samplerates[i], i ) ); - free(samplerates); - - /* since they may (and will) give us an unsorted array we have to sort it here - * to play nice with the monotonic requirement of meta-range later on */ - std::sort(_sample_rates.begin(), _sample_rates.end()); - - std::cerr << "Using libairspyhf" << AIRSPYHF_VERSION << ", samplerates: "; - - for (size_t i = 0; i < _sample_rates.size(); i++) - std::cerr << boost::format("%gM ") % (_sample_rates[i].first / 1e6); - - std::cerr << std::endl; - - set_center_freq( (get_freq_range().start() + get_freq_range().stop()) / 2.0 ); - set_sample_rate( get_sample_rates().start() ); - - _fifo = new boost::circular_buffer<gr_complex>(5000000); - if (!_fifo) { - throw std::runtime_error( std::string(__FUNCTION__) + " " + - "Failed to allocate a sample FIFO!" ); - } -} - -/* - * Our virtual destructor. - */ -airspyhf_source_c::~airspyhf_source_c () -{ - int ret; - - if (_dev) { - if ( airspyhf_is_streaming( _dev ) ) - { - ret = airspyhf_stop( _dev ); - if ( ret != AIRSPYHF_SUCCESS ) - { - std::cerr << AIRSPYHF_FORMAT_ERROR(ret, "Failed to stop RX streaming") << std::endl; - } - } - - ret = airspyhf_close( _dev ); - if ( ret != AIRSPYHF_SUCCESS ) - { - std::cerr << AIRSPYHF_FORMAT_ERROR(ret, "Failed to close AirSpy") << std::endl; - } - _dev = NULL; - } - - if (_fifo) - { - delete _fifo; - _fifo = NULL; - } -} - -int airspyhf_source_c::_airspyhf_rx_callback(airspyhf_transfer_t *transfer) -{ - airspyhf_source_c *obj = (airspyhf_source_c *)transfer->ctx; - - return obj->airspyhf_rx_callback((float *)transfer->samples, transfer->sample_count); -} - -int airspyhf_source_c::airspyhf_rx_callback(void *samples, int sample_count) -{ - size_t i, n_avail, to_copy, num_samples = sample_count; - float *sample = (float *)samples; - - _fifo_lock.lock(); - - n_avail = _fifo->capacity() - _fifo->size(); - to_copy = (n_avail < num_samples ? n_avail : num_samples); - - for (i = 0; i < to_copy; i++ ) - { - /* Push sample to the fifo */ - _fifo->push_back( gr_complex( *sample, *(sample+1) ) ); - - /* offset to the next I+Q sample */ - sample += 2; - } - - _fifo_lock.unlock(); - - /* We have made some new samples available to the consumer in work() */ - if (to_copy) { - //std::cerr << "+" << std::flush; - _samp_avail.notify_one(); - } - - /* Indicate overrun, if neccesary */ - if (to_copy < num_samples) - std::cerr << "O" << std::flush; - - return 0; // TODO: return -1 on error/stop -} - -bool airspyhf_source_c::start() -{ - if ( ! _dev ) - return false; - - int ret = airspyhf_start( _dev, _airspyhf_rx_callback, (void *)this ); - if ( ret != AIRSPYHF_SUCCESS ) { - std::cerr << "Failed to start RX streaming (" << ret << ")" << std::endl; - return false; - } - - return true; -} - -bool airspyhf_source_c::stop() -{ - if ( ! _dev ) - return false; - - int ret = airspyhf_stop( _dev ); - if ( ret != AIRSPYHF_SUCCESS ) { - std::cerr << "Failed to stop RX streaming (" << ret << ")" << std::endl; - return false; - } - - return true; -} - -int airspyhf_source_c::work( int noutput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items ) -{ - gr_complex *out = (gr_complex *)output_items[0]; - - bool running = false; - - if ( _dev ) - running = airspyhf_is_streaming( _dev ); - - if ( ! running ) - return WORK_DONE; - - std::unique_lock<std::mutex> lock(_fifo_lock); - - /* Wait until we have the requested number of samples */ - int n_samples_avail = _fifo->size(); - - while (n_samples_avail < noutput_items) { - _samp_avail.wait(lock); - n_samples_avail = _fifo->size(); - } - - for(int i = 0; i < noutput_items; ++i) { - out[i] = _fifo->at(0); - _fifo->pop_front(); - } - - return noutput_items; -} - -std::vector<std::string> airspyhf_source_c::get_devices() -{ - std::vector<std::string> devices; - std::string label; - - int ret; - airspyhf_device *dev = NULL; - ret = airspyhf_open(&dev); - if ( AIRSPYHF_SUCCESS == ret ) - { - std::string args = "airspyhf=0,label='AirspyHF'"; - devices.push_back( args ); - ret = airspyhf_close(dev); - } - - return devices; -} - -size_t airspyhf_source_c::get_num_channels() -{ - return 1; -} - -osmosdr::meta_range_t airspyhf_source_c::get_sample_rates() -{ - osmosdr::meta_range_t range; - - for (size_t i = 0; i < _sample_rates.size(); i++) - range += osmosdr::range_t( _sample_rates[i].first ); - - return range; -} - -double airspyhf_source_c::set_sample_rate( double rate ) -{ - int ret = AIRSPYHF_SUCCESS; - - if (_dev) { - bool found_supported_rate = false; - uint32_t samp_rate_index = 0; - - for( unsigned int i = 0; i < _sample_rates.size(); i++ ) - { - if( _sample_rates[i].first == rate ) - { - samp_rate_index = _sample_rates[i].second; - - found_supported_rate = true; - } - } - - if ( ! found_supported_rate ) - { - throw std::runtime_error( - boost::str( boost::format("Unsupported samplerate: %gM") % (rate/1e6) ) ); - } - - ret = airspyhf_set_samplerate( _dev, samp_rate_index ); - if ( AIRSPYHF_SUCCESS == ret ) { - _sample_rate = rate; - } else { - AIRSPYHF_THROW_ON_ERROR( ret, AIRSPYHF_FUNC_STR( "airspyhf_set_samplerate", rate ) ) - } - } - - return get_sample_rate(); -} - -double airspyhf_source_c::get_sample_rate() -{ - return _sample_rate; -} - -osmosdr::freq_range_t airspyhf_source_c::get_freq_range( size_t chan ) -{ - osmosdr::freq_range_t range; - - range += osmosdr::range_t( 0.0, 260.0e6 ); - - return range; -} - -double airspyhf_source_c::set_center_freq( double freq, size_t chan ) -{ - int ret; - - if (_dev) { - ret = airspyhf_set_freq( _dev, freq ); - if ( AIRSPYHF_SUCCESS == ret ) { - _center_freq = freq; - } else { - AIRSPYHF_THROW_ON_ERROR( ret, AIRSPYHF_FUNC_STR( "airspyhf_set_freq", freq ) ) - } - } - - return get_center_freq( chan ); -} - -double airspyhf_source_c::get_center_freq( size_t chan ) -{ - return _center_freq; -} - -double airspyhf_source_c::set_freq_corr( double ppm, size_t chan ) -{ - int ret; - int32_t ppb = (int32_t) (ppm * 1.0e3); - - if (_dev) { - ret = airspyhf_set_calibration( _dev, ppb ); - if ( AIRSPYHF_SUCCESS == ret ) { - _freq_corr = ppm; - } else { - AIRSPYHF_THROW_ON_ERROR( ret, AIRSPYHF_FUNC_STR( "airspyhf_set_calibration", ppm ) ) - } - } - - return ppm; -} - -double airspyhf_source_c::get_freq_corr( size_t chan ) -{ - return _freq_corr; -} - -std::vector<std::string> airspyhf_source_c::get_gain_names( size_t chan ) -{ - return {}; -} - -osmosdr::gain_range_t airspyhf_source_c::get_gain_range( size_t chan ) -{ - return osmosdr::gain_range_t(); -} - -osmosdr::gain_range_t airspyhf_source_c::get_gain_range( const std::string & name, size_t chan ) -{ - return osmosdr::gain_range_t(); -} - - -double airspyhf_source_c::set_gain( double gain, size_t chan ) -{ - return gain; -} - -double airspyhf_source_c::set_gain( double gain, const std::string & name, size_t chan) -{ - return gain; -} - -double airspyhf_source_c::get_gain( size_t chan ) -{ - return 0.0; -} - -double airspyhf_source_c::get_gain( const std::string & name, size_t chan ) -{ - return 0.0; -} - -std::vector< std::string > airspyhf_source_c::get_antennas( size_t chan ) -{ - std::vector< std::string > antennas; - - antennas += get_antenna( chan ); - - return antennas; -} - -std::string airspyhf_source_c::set_antenna( const std::string & antenna, size_t chan ) -{ - return get_antenna( chan ); -} - -std::string airspyhf_source_c::get_antenna( size_t chan ) -{ - return "RX"; -} |