soapy: began work on soapy sdr support

CMakeLists.txt

@@ -160,6 +160,7 @@ find_package(LibMiriSDR)
 find_package(LibHackRF)
 find_package(LibAIRSPY)
 find_package(LibbladeRF)
+find_package(SoapySDR CONFIG)
 find_package(Doxygen)
 
 if(NOT GNURADIO_RUNTIME_FOUND)

lib/CMakeLists.txt

@@ -214,6 +214,14 @@ if(ENABLE_AIRSPY)
 GR_INCLUDE_SUBDIRECTORY(airspy)
 endif(ENABLE_AIRSPY)
 
+########################################################################
+# Setup SoapySDR component
+########################################################################
+GR_REGISTER_COMPONENT("SoapySDR support" ENABLE_SOAPY SoapySDR_FOUND)
+if(ENABLE_SOAPY)
+GR_INCLUDE_SUBDIRECTORY(soapy)
+endif(ENABLE_SOAPY)
+
 ########################################################################
 # Setup configuration file
 ########################################################################

lib/config.h.in

@@ -15,5 +15,6 @@
 #cmakedefine ENABLE_BLADERF
 #cmakedefine ENABLE_RFSPACE
 #cmakedefine ENABLE_AIRSPY
+#cmakedefine ENABLE_SOAPY
 
 #endif // CONFIG_H_IN

lib/sink_impl.cc

@@ -42,6 +42,10 @@
 #include "bladerf_sink_c.h"
 #endif
 
+#ifdef ENABLE_SOAPY
+#include <soapy_sink_c.h>
+#endif
+
 #include "arg_helpers.h"
 #include "sink_impl.h"
 
@@ -83,6 +87,9 @@ sink_impl::sink_impl( const std::string &args )
 #endif
 #ifdef ENABLE_BLADERF
   dev_types.push_back("bladerf");
+#endif
+#ifdef ENABLE_SOAPY
+  dev_types.push_back("soapy");
 #endif
   std::cerr << "gr-osmosdr "
             << GR_OSMOSDR_VERSION << " (" << GR_OSMOSDR_LIBVER << ") "
@@ -118,6 +125,10 @@ sink_impl::sink_impl( const std::string &args )
     BOOST_FOREACH( std::string dev, hackrf_sink_c::get_devices() )
       dev_list.push_back( dev );
 #endif
+#ifdef ENABLE_SOAPY
+    BOOST_FOREACH( std::string dev, soapy_sink_c::get_devices() )
+      dev_list.push_back( dev );
+#endif
 
 //    std::cerr << std::endl;
 //    BOOST_FOREACH( std::string dev, dev_list )
@@ -159,6 +170,13 @@ sink_impl::sink_impl( const std::string &args )
     }
 #endif
 
+#ifdef ENABLE_SOAPY
+    if ( dict.count("soapy") ) {
+      soapy_sink_c_sptr src = make_soapy_sink_c( arg );
+      block = src; iface = src.get();
+    }
+#endif
+
     if ( iface != NULL && long(block.get()) != 0 ) {
       _devs.push_back( iface );
 

lib/soapy/CMakeLists.txt

@@ -0,0 +1,38 @@
+# Copyright 2015 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# 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.
+
+########################################################################
+# This file included, use CMake directory variables
+########################################################################
+
+include_directories(
+    ${CMAKE_CURRENT_SOURCE_DIR}
+    ${SoapySDR_INCLUDE_DIRS}
+)
+
+set(soapy_srcs
+    ${CMAKE_CURRENT_SOURCE_DIR}/soapy_source_c.cc
+    ${CMAKE_CURRENT_SOURCE_DIR}/soapy_sink_c.cc
+)
+
+########################################################################
+# Append gnuradio-osmosdr library sources
+########################################################################
+list(APPEND gr_osmosdr_srcs ${soapy_srcs})
+list(APPEND gr_osmosdr_libs ${SoapySDR_LIBRARIES})

lib/soapy/soapy_sink_c.cc

@@ -0,0 +1,293 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2015 Josh Blum <josh@joshknows.com>
+ * 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 <iostream>
+
+#include <boost/assign.hpp>
+#include <boost/format.hpp>
+#include <boost/lexical_cast.hpp>
+
+#include <gnuradio/io_signature.h>
+
+#include "arg_helpers.h"
+#include "soapy_sink_c.h"
+
+using namespace boost::assign;
+
+/*
+ * Create a new instance of soapy_sink_c and return
+ * a boost shared_ptr.  This is effectively the public constructor.
+ */
+soapy_sink_c_sptr make_soapy_sink_c (const std::string &args)
+{
+  return gnuradio::get_initial_sptr(new soapy_sink_c (args));
+}
+
+/*
+ * The private constructor
+ */
+soapy_sink_c::soapy_sink_c (const std::string &args)
+  : gr::sync_block ("soapy_sink_c",
+                    gr::io_signature::make (1, 8, sizeof (gr_complex)),
+                    gr::io_signature::make (0, 0, sizeof (gr_complex)))
+{
+
+}
+
+bool soapy_sink_c::start()
+{
+}
+
+bool soapy_sink_c::stop()
+{
+}
+
+int soapy_sink_c::work( int noutput_items,
+                            gr_vector_const_void_star &input_items,
+                            gr_vector_void_star &output_items )
+{
+}
+
+std::vector<std::string> soapy_sink_c::get_devices()
+{
+}
+
+size_t soapy_sink_c::get_num_channels( void )
+{
+    
+}
+
+osmosdr::meta_range_t soapy_sink_c::get_sample_rates( void )
+{
+    
+}
+
+double soapy_sink_c::set_sample_rate( double rate )
+{
+    
+}
+
+double soapy_sink_c::get_sample_rate( void )
+{
+    
+}
+
+osmosdr::freq_range_t soapy_sink_c::get_freq_range( size_t chan)
+{
+    
+}
+
+double soapy_sink_c::set_center_freq( double freq, size_t chan)
+{
+    
+}
+
+double soapy_sink_c::get_center_freq( size_t chan)
+{
+    
+}
+
+double soapy_sink_c::set_freq_corr( double ppm, size_t chan)
+{
+    
+}
+
+double soapy_sink_c::get_freq_corr( size_t chan)
+{
+    
+}
+
+std::vector<std::string> soapy_sink_c::get_gain_names( size_t chan)
+{
+    
+}
+
+osmosdr::gain_range_t soapy_sink_c::get_gain_range( size_t chan)
+{
+    
+}
+
+osmosdr::gain_range_t soapy_sink_c::get_gain_range( const std::string & name,
+                                                size_t chan)
+{
+    
+}
+
+bool soapy_sink_c::set_gain_mode( bool automatic, size_t chan)
+{
+    
+}
+
+bool soapy_sink_c::get_gain_mode( size_t chan)
+{
+    
+}
+
+double soapy_sink_c::set_gain( double gain, size_t chan)
+{
+    
+}
+
+double soapy_sink_c::set_gain( double gain,
+                           const std::string & name,
+                           size_t chan)
+{
+    
+}
+
+double soapy_sink_c::get_gain( size_t chan)
+{
+    
+}
+
+double soapy_sink_c::get_gain( const std::string & name, size_t chan)
+{
+    
+}
+
+double soapy_sink_c::set_if_gain( double gain, size_t chan)
+{
+    
+}
+
+double soapy_sink_c::set_bb_gain( double gain, size_t chan)
+{
+    
+}
+
+std::vector< std::string > soapy_sink_c::get_antennas( size_t chan)
+{
+    
+}
+
+std::string soapy_sink_c::set_antenna( const std::string & antenna,
+                                   size_t chan)
+{
+    
+}
+
+std::string soapy_sink_c::get_antenna( size_t chan)
+{
+    
+}
+
+void soapy_sink_c::set_dc_offset( const std::complex<double> &offset, size_t chan)
+{
+    
+}
+
+void soapy_sink_c::set_iq_balance( const std::complex<double> &balance, size_t chan)
+{
+    
+}
+
+double soapy_sink_c::set_bandwidth( double bandwidth, size_t chan)
+{
+    
+}
+
+double soapy_sink_c::get_bandwidth( size_t chan)
+{
+    
+}
+
+osmosdr::freq_range_t soapy_sink_c::get_bandwidth_range( size_t chan)
+{
+    
+}
+
+void soapy_sink_c::set_time_source(const std::string &source,
+                               const size_t mboard)
+{
+    
+}
+
+std::string soapy_sink_c::get_time_source(const size_t mboard)
+{
+    
+}
+
+std::vector<std::string> soapy_sink_c::get_time_sources(const size_t mboard)
+{
+    
+}
+
+void soapy_sink_c::set_clock_source(const std::string &source,
+                                const size_t mboard)
+{
+    
+}
+
+std::string soapy_sink_c::get_clock_source(const size_t mboard)
+{
+    
+}
+
+std::vector<std::string> soapy_sink_c::get_clock_sources(const size_t mboard)
+{
+    
+}
+
+double soapy_sink_c::get_clock_rate(size_t mboard)
+{
+    
+}
+
+void soapy_sink_c::set_clock_rate(double rate, size_t mboard)
+{
+    
+}
+
+::osmosdr::time_spec_t soapy_sink_c::get_time_now(size_t mboard)
+{
+    
+}
+
+::osmosdr::time_spec_t soapy_sink_c::get_time_last_pps(size_t mboard)
+{
+    
+}
+
+void soapy_sink_c::set_time_now(const ::osmosdr::time_spec_t &time_spec,
+                            size_t mboard)
+{
+    
+}
+
+void soapy_sink_c::set_time_next_pps(const ::osmosdr::time_spec_t &time_spec)
+{
+    
+}
+
+void soapy_sink_c::set_time_unknown_pps(const ::osmosdr::time_spec_t &time_spec)
+{
+    
+}
+

lib/soapy/soapy_sink_c.h

@@ -0,0 +1,125 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2015 Josh Blum <josh@joshknows.com>
+ * 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.
+ */
+#ifndef INCLUDED_SOAPY_SINK_C_H
+#define INCLUDED_SOAPY_SINK_C_H
+
+#include <gnuradio/block.h>
+#include <gnuradio/sync_block.h>
+
+#include "osmosdr/ranges.h"
+#include "sink_iface.h"
+
+class soapy_sink_c;
+
+/*
+ * We use boost::shared_ptr's instead of raw pointers for all access
+ * to gr_blocks (and many other data structures).  The shared_ptr gets
+ * us transparent reference counting, which greatly simplifies storage
+ * management issues.  This is especially helpful in our hybrid
+ * C++ / Python system.
+ *
+ * See http://www.boost.org/libs/smart_ptr/smart_ptr.htm
+ *
+ * As a convention, the _sptr suffix indicates a boost::shared_ptr
+ */
+typedef boost::shared_ptr<soapy_sink_c> soapy_sink_c_sptr;
+
+/*!
+ * \brief Return a shared_ptr to a new instance of soapy_sink_c.
+ *
+ * To avoid accidental use of raw pointers, soapy_sink_c's
+ * constructor is private.  make_soapy_sink_c is the public
+ * interface for creating new instances.
+ */
+soapy_sink_c_sptr make_soapy_sink_c (const std::string & args = "");
+
+class soapy_sink_c :
+    public gr::sync_block,
+    public sink_iface
+{
+private:
+  // The friend declaration allows soapy_make_sink_c to
+  // access the private constructor.
+  friend soapy_sink_c_sptr make_soapy_sink_c (const std::string & args);
+
+  soapy_sink_c (const std::string & args);  	// private constructor
+
+public:
+  bool start();
+  bool stop();
+
+  int work( int noutput_items,
+            gr_vector_const_void_star &input_items,
+            gr_vector_void_star &output_items );
+
+  static std::vector< std::string > get_devices();
+
+size_t get_num_channels( void );
+osmosdr::meta_range_t get_sample_rates( void );
+double set_sample_rate( double rate );
+double get_sample_rate( void );
+osmosdr::freq_range_t get_freq_range( size_t chan);
+double set_center_freq( double freq, size_t chan);
+double get_center_freq( size_t chan);
+double set_freq_corr( double ppm, size_t chan);
+double get_freq_corr( size_t chan);
+std::vector<std::string> get_gain_names( size_t chan);
+osmosdr::gain_range_t get_gain_range( size_t chan);
+osmosdr::gain_range_t get_gain_range( const std::string & name,
+                                                size_t chan);
+bool set_gain_mode( bool automatic, size_t chan);
+bool get_gain_mode( size_t chan);
+double set_gain( double gain, size_t chan);
+double set_gain( double gain,
+                           const std::string & name,
+                           size_t chan);
+double get_gain( size_t chan);
+double get_gain( const std::string & name, size_t chan);
+double set_if_gain( double gain, size_t chan);
+double set_bb_gain( double gain, size_t chan);
+std::vector< std::string > get_antennas( size_t chan);
+std::string set_antenna( const std::string & antenna,
+                                   size_t chan);
+std::string get_antenna( size_t chan);
+void set_dc_offset( const std::complex<double> &offset, size_t chan);
+void set_iq_balance( const std::complex<double> &balance, size_t chan);
+double set_bandwidth( double bandwidth, size_t chan);
+double get_bandwidth( size_t chan);
+osmosdr::freq_range_t get_bandwidth_range( size_t chan);
+void set_time_source(const std::string &source,
+                               const size_t mboard);
+std::string get_time_source(const size_t mboard);
+std::vector<std::string> get_time_sources(const size_t mboard);
+void set_clock_source(const std::string &source,
+                                const size_t mboard);
+std::string get_clock_source(const size_t mboard);
+std::vector<std::string> get_clock_sources(const size_t mboard);
+double get_clock_rate(size_t mboard);
+void set_clock_rate(double rate, size_t mboard);
+::osmosdr::time_spec_t get_time_now(size_t mboard);
+::osmosdr::time_spec_t get_time_last_pps(size_t mboard);
+void set_time_now(const ::osmosdr::time_spec_t &time_spec,
+                            size_t mboard);
+void set_time_next_pps(const ::osmosdr::time_spec_t &time_spec);
+void set_time_unknown_pps(const ::osmosdr::time_spec_t &time_spec);
+};
+
+#endif /* INCLUDED_SOAPY_SINK_C_H */

lib/soapy/soapy_source_c.cc

@@ -0,0 +1,259 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2015 Josh Blum <josh@joshknows.com>
+ * 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 <iostream>
+
+#include <boost/assign.hpp>
+#include <boost/format.hpp>
+#include <boost/lexical_cast.hpp>
+
+#include <gnuradio/io_signature.h>
+
+#include "arg_helpers.h"
+#include "soapy_source_c.h"
+
+using namespace boost::assign;
+
+/*
+ * Create a new instance of soapy_source_c and return
+ * a boost shared_ptr.  This is effectively the public constructor.
+ */
+soapy_source_c_sptr make_soapy_source_c (const std::string &args)
+{
+  return gnuradio::get_initial_sptr(new soapy_source_c (args));
+}
+
+/*
+ * The private constructor
+ */
+soapy_source_c::soapy_source_c (const std::string &args)
+  : gr::sync_block ("soapy_source_c",
+                    gr::io_signature::make (0, 0, sizeof (gr_complex)),
+                    gr::io_signature::make (1, 8, sizeof (gr_complex)))
+{
+
+}
+
+bool soapy_source_c::start()
+{
+}
+
+bool soapy_source_c::stop()
+{
+}
+
+int soapy_source_c::work( int noutput_items,
+                            gr_vector_const_void_star &input_items,
+                            gr_vector_void_star &output_items )
+{
+}
+
+std::vector<std::string> soapy_source_c::get_devices()
+{
+}
+
+size_t soapy_source_c::get_num_channels( void )
+{
+}
+
+osmosdr::meta_range_t soapy_source_c::get_sample_rates( void )
+{
+}
+
+double soapy_source_c::set_sample_rate( double rate )
+{
+}
+
+double soapy_source_c::get_sample_rate( void )
+{
+}
+
+osmosdr::freq_range_t soapy_source_c::get_freq_range( size_t chan )
+{
+}
+
+double soapy_source_c::set_center_freq( double freq, size_t chan )
+{
+}
+
+double soapy_source_c::get_center_freq( size_t chan )
+{
+}
+
+double soapy_source_c::set_freq_corr( double ppm, size_t chan )
+{
+}
+
+double soapy_source_c::get_freq_corr( size_t chan )
+{
+}
+
+std::vector<std::string> soapy_source_c::get_gain_names( size_t chan )
+{
+}
+
+osmosdr::gain_range_t soapy_source_c::get_gain_range( size_t chan )
+{
+}
+
+osmosdr::gain_range_t soapy_source_c::get_gain_range( const std::string & name,
+                                                size_t chan )
+{
+}
+
+bool soapy_source_c::set_gain_mode( bool automatic, size_t chan )
+{
+}
+
+bool soapy_source_c::get_gain_mode( size_t chan )
+{
+}
+
+double soapy_source_c::set_gain( double gain, size_t chan )
+{
+}
+
+double soapy_source_c::set_gain( double gain,
+                           const std::string & name,
+                           size_t chan )
+{
+}
+
+double soapy_source_c::get_gain( size_t chan )
+{
+}
+
+double soapy_source_c::soapy_source_c::get_gain( const std::string & name, size_t chan )
+{
+}
+
+double soapy_source_c::set_if_gain( double gain, size_t chan )
+{
+}
+
+double soapy_source_c::set_bb_gain( double gain, size_t chan )
+{
+}
+
+std::vector< std::string > soapy_source_c::get_antennas( size_t chan )
+{
+}
+
+std::string soapy_source_c::set_antenna( const std::string & antenna,
+                                   size_t chan )
+{
+}
+
+std::string soapy_source_c::get_antenna( size_t chan )
+{
+}
+
+void soapy_source_c::set_dc_offset_mode( int mode, size_t chan )
+{
+}
+
+void soapy_source_c::set_dc_offset( const std::complex<double> &offset, size_t chan )
+{
+}
+
+void soapy_source_c::set_iq_balance_mode( int mode, size_t chan )
+{
+}
+
+void soapy_source_c::set_iq_balance( const std::complex<double> &balance, size_t chan )
+{
+}
+
+double soapy_source_c::set_bandwidth( double bandwidth, size_t chan )
+{
+}
+
+double soapy_source_c::get_bandwidth( size_t chan ) 
+{
+}
+
+osmosdr::freq_range_t soapy_source_c::get_bandwidth_range( size_t chan )
+{
+}
+
+void soapy_source_c::set_time_source(const std::string &source,
+                               const size_t mboard)
+{
+}
+
+std::string soapy_source_c::get_time_source(const size_t mboard)
+{
+}
+
+std::vector<std::string> soapy_source_c::get_time_sources(const size_t mboard)
+{
+}
+
+void soapy_source_c::set_clock_source(const std::string &source,
+                                const size_t mboard)
+{
+}
+
+std::string soapy_source_c::get_clock_source(const size_t mboard)
+{
+}
+
+std::vector<std::string> soapy_source_c::get_clock_sources(const size_t mboard)
+{
+}
+
+double soapy_source_c::get_clock_rate(size_t mboard)
+{
+}
+
+void soapy_source_c::set_clock_rate(double rate, size_t mboard)
+{
+}
+
+::osmosdr::time_spec_t soapy_source_c::get_time_now(size_t mboard)
+{
+}
+
+::osmosdr::time_spec_t soapy_source_c::get_time_last_pps(size_t mboard)
+{
+}
+
+void soapy_source_c::set_time_now(const ::osmosdr::time_spec_t &time_spec,
+                            size_t mboard)
+{
+}
+
+void soapy_source_c::set_time_next_pps(const ::osmosdr::time_spec_t &time_spec)
+{
+}
+
+void soapy_source_c::set_time_unknown_pps(const ::osmosdr::time_spec_t &time_spec)
+{
+}

lib/soapy/soapy_source_c.h

@@ -0,0 +1,127 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2015 Josh Blum <josh@joshknows.com>
+ * 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.
+ */
+#ifndef INCLUDED_SOAPY_SOURCE_C_H
+#define INCLUDED_SOAPY_SOURCE_C_H
+
+#include <gnuradio/block.h>
+#include <gnuradio/sync_block.h>
+
+#include "osmosdr/ranges.h"
+#include "source_iface.h"
+
+class soapy_source_c;
+
+/*
+ * We use boost::shared_ptr's instead of raw pointers for all access
+ * to gr_blocks (and many other data structures).  The shared_ptr gets
+ * us transparent reference counting, which greatly simplifies storage
+ * management issues.  This is especially helpful in our hybrid
+ * C++ / Python system.
+ *
+ * See http://www.boost.org/libs/smart_ptr/smart_ptr.htm
+ *
+ * As a convention, the _sptr suffix indicates a boost::shared_ptr
+ */
+typedef boost::shared_ptr<soapy_source_c> soapy_source_c_sptr;
+
+/*!
+ * \brief Return a shared_ptr to a new instance of soapy_source_c.
+ *
+ * To avoid accidental use of raw pointers, soapy_source_c's
+ * constructor is private.  soapy_make_source_c is the public
+ * interface for creating new instances.
+ */
+soapy_source_c_sptr make_soapy_source_c (const std::string & args = "");
+
+class soapy_source_c :
+    public gr::sync_block,
+    public source_iface
+{
+private:
+  // The friend declaration allows soapy_make_source_c to
+  // access the private constructor.
+  friend soapy_source_c_sptr make_soapy_source_c (const std::string & args);
+
+  soapy_source_c (const std::string & args);  	// private constructor
+
+public:
+  bool start();
+  bool stop();
+
+  int work( int noutput_items,
+            gr_vector_const_void_star &input_items,
+            gr_vector_void_star &output_items );
+
+  static std::vector< std::string > get_devices();
+
+size_t get_num_channels( void );
+osmosdr::meta_range_t get_sample_rates( void );
+double set_sample_rate( double rate );
+double get_sample_rate( void );
+osmosdr::freq_range_t get_freq_range( size_t chan );
+double set_center_freq( double freq, size_t chan );
+double get_center_freq( size_t chan );
+double set_freq_corr( double ppm, size_t chan );
+double get_freq_corr( size_t chan );
+std::vector<std::string> get_gain_names( size_t chan );
+osmosdr::gain_range_t get_gain_range( size_t chan );
+osmosdr::gain_range_t get_gain_range( const std::string & name,
+                                                size_t chan );
+bool set_gain_mode( bool automatic, size_t chan );
+bool get_gain_mode( size_t chan );
+double set_gain( double gain, size_t chan );
+double set_gain( double gain,
+                           const std::string & name,
+                           size_t chan );
+double get_gain( size_t chan );
+double get_gain( const std::string & name, size_t chan );
+double set_if_gain( double gain, size_t chan );
+double set_bb_gain( double gain, size_t chan );
+std::vector< std::string > get_antennas( size_t chan );
+std::string set_antenna( const std::string & antenna,
+                                   size_t chan );
+std::string get_antenna( size_t chan );
+void set_dc_offset_mode( int mode, size_t chan );
+void set_dc_offset( const std::complex<double> &offset, size_t chan );
+void set_iq_balance_mode( int mode, size_t chan );
+void set_iq_balance( const std::complex<double> &balance, size_t chan );
+double set_bandwidth( double bandwidth, size_t chan );
+double get_bandwidth( size_t chan ) ;
+osmosdr::freq_range_t get_bandwidth_range( size_t chan );
+void set_time_source(const std::string &source,
+                               const size_t mboard);
+std::string get_time_source(const size_t mboard);
+std::vector<std::string> get_time_sources(const size_t mboard);
+void set_clock_source(const std::string &source,
+                                const size_t mboard);
+std::string get_clock_source(const size_t mboard);
+std::vector<std::string> get_clock_sources(const size_t mboard);
+double get_clock_rate(size_t mboard);
+void set_clock_rate(double rate, size_t mboard);
+::osmosdr::time_spec_t get_time_now(size_t mboard);
+::osmosdr::time_spec_t get_time_last_pps(size_t mboard);
+void set_time_now(const ::osmosdr::time_spec_t &time_spec,
+                            size_t mboard);
+void set_time_next_pps(const ::osmosdr::time_spec_t &time_spec);
+void set_time_unknown_pps(const ::osmosdr::time_spec_t &time_spec);
+};
+
+#endif /* INCLUDED_SOAPY_SOURCE_C_H */

lib/source_impl.cc

@@ -76,6 +76,10 @@
 #include <airspy_source_c.h>
 #endif
 
+#ifdef ENABLE_SOAPY
+#include <soapy_source_c.h>
+#endif
+
 #include "arg_helpers.h"
 #include "source_impl.h"
 
@@ -141,6 +145,9 @@ source_impl::source_impl( const std::string &args )
 #endif
 #ifdef ENABLE_AIRSPY
   dev_types.push_back("airspy");
+#endif
+#ifdef ENABLE_SOAPY
+  dev_types.push_back("soapy");
 #endif
   std::cerr << "gr-osmosdr "
             << GR_OSMOSDR_VERSION << " (" << GR_OSMOSDR_LIBVER << ") "
@@ -206,6 +213,10 @@ source_impl::source_impl( const std::string &args )
     BOOST_FOREACH( std::string dev, airspy_source_c::get_devices() )
       dev_list.push_back( dev );
 #endif
+#ifdef ENABLE_SOAPY
+    BOOST_FOREACH( std::string dev, soapy_source_c::get_devices() )
+      dev_list.push_back( dev );
+#endif
 
 //    std::cerr << std::endl;
 //    BOOST_FOREACH( std::string dev, dev_list )
@@ -308,6 +319,13 @@ source_impl::source_impl( const std::string &args )
     }
 #endif
 
+#ifdef ENABLE_SOAPY
+    if ( dict.count("soapy") ) {
+      soapy_source_c_sptr src = make_soapy_source_c( arg );
+      block = src; iface = src.get();
+    }
+#endif
+
     if ( iface != NULL && long(block.get()) != 0 ) {
       _devs.push_back( iface );