Second attempt: I removed all the changes not related to Perseus.

@Sylvain: thanks for take time to review.

--- CMakeLists.txt | 1 + cmake/Modules/FindLibPERSEUS.cmake | 24 ++ lib/CMakeLists.txt | 8 + lib/config.h.in | 1 + lib/device.cc | 8 + lib/perseus/CMakeLists.txt | 37 +++ lib/perseus/perseus_source_c.cc | 613 +++++++++++++++++++++++++++++++++++++ lib/perseus/perseus_source_c.h | 135 ++++++++ lib/source_impl.cc | 18 +- 9 files changed, 844 insertions(+), 1 deletion(-) create mode 100644 cmake/Modules/FindLibPERSEUS.cmake create mode 100644 lib/perseus/CMakeLists.txt create mode 100644 lib/perseus/perseus_source_c.cc create mode 100644 lib/perseus/perseus_source_c.h

diff --git a/CMakeLists.txt b/CMakeLists.txt index 296456d..94acd4c 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -173,6 +173,7 @@ find_package(Volk) find_package(LibbladeRF) find_package(SoapySDR NO_MODULE) find_package(LibFreeSRP) +find_package(LibPERSEUS) find_package(Doxygen)

if(NOT GNURADIO_RUNTIME_FOUND) diff --git a/cmake/Modules/FindLibPERSEUS.cmake b/cmake/Modules/FindLibPERSEUS.cmake new file mode 100644 index 0000000..5477327 --- /dev/null +++ b/cmake/Modules/FindLibPERSEUS.cmake @@ -0,0 +1,24 @@ +INCLUDE(FindPkgConfig) +PKG_CHECK_MODULES(PC_LIBPERSEUS libperseus-sdr) + +FIND_PATH( + LIBPERSEUS_INCLUDE_DIRS + NAMES perseus-sdr.h + HINTS $ENV{LIBPERSEUS_DIR}/include + ${PC_LIBPERSEUS_INCLUDEDIR} + PATHS /usr/local/include + /usr/include +) + +FIND_LIBRARY( + LIBPERSEUS_LIBRARIES + NAMES perseus-sdr + HINTS $ENV{LIBPERSEUS_DIR}/lib + ${PC_LIBPERSEUS_LIBDIR} + PATHS /usr/local/lib + /usr/lib +) + +INCLUDE(FindPackageHandleStandardArgs) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(LIBPERSEUS DEFAULT_MSG LIBPERSEUS_LIBRARIES LIBPERSEUS_INCLUDE_DIRS) +MARK_AS_ADVANCED(LIBPERSEUS_LIBRARIES LIBPERSEUS_INCLUDE_DIRS) diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt index c05b8d9..f555816 100644 --- a/lib/CMakeLists.txt +++ b/lib/CMakeLists.txt @@ -249,6 +249,14 @@ GR_INCLUDE_SUBDIRECTORY(freesrp) endif(ENABLE_FREESRP)

######################################################################## +# Setup PERSEUS component +######################################################################## +GR_REGISTER_COMPONENT("Microtelecom Perseus Receiver" ENABLE_PERSEUS LIBPERSEUS_FOUND) +if(ENABLE_PERSEUS) +GR_INCLUDE_SUBDIRECTORY(perseus) +endif(ENABLE_PERSEUS) + +######################################################################## # Setup configuration file ######################################################################## ADD_DEFINITIONS(-DHAVE_CONFIG_H=1) diff --git a/lib/config.h.in b/lib/config.h.in index 42e72f1..dac7e39 100644 --- a/lib/config.h.in +++ b/lib/config.h.in @@ -19,6 +19,7 @@ #cmakedefine ENABLE_SOAPY #cmakedefine ENABLE_REDPITAYA #cmakedefine ENABLE_FREESRP +#cmakedefine ENABLE_PERSEUS

//provide NAN define for MSVC older than VC12 #if defined(_MSC_VER) && (_MSC_VER < 1800) diff --git a/lib/device.cc b/lib/device.cc index 025a22b..df0d734 100644 --- a/lib/device.cc +++ b/lib/device.cc @@ -90,6 +90,10 @@ #include <freesrp_source_c.h> #endif

+#ifdef ENABLE_PERSEUS +#include <perseus_source_c.h> +#endif + #include "arg_helpers.h"

using namespace osmosdr; @@ -194,6 +198,10 @@ devices_t device::find(const device_t &hint) BOOST_FOREACH( std::string dev, soapy_source_c::get_devices() ) devices.push_back( device_t(dev) ); #endif +#ifdef ENABLE_PERSEUS + BOOST_FOREACH( std::string dev, perseus_source_c::get_devices() ) + devices.push_back( device_t(dev) ); +#endif

/* software-only sources should be appended at the very end, * hopefully resulting in hardware sources to be shown first diff --git a/lib/perseus/CMakeLists.txt b/lib/perseus/CMakeLists.txt new file mode 100644 index 0000000..f45a10d --- /dev/null +++ b/lib/perseus/CMakeLists.txt @@ -0,0 +1,37 @@ +# Copyright 2017 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} + ${LIBPERSEUS_INCLUDE_DIRS} +) + +set(perseus_srcs + ${CMAKE_CURRENT_SOURCE_DIR}/perseus_source_c.cc +) + +######################################################################## +# Append gnuradio-osmosdr library sources +######################################################################## +list(APPEND gr_osmosdr_srcs ${perseus_srcs}) +list(APPEND gr_osmosdr_libs ${LIBPERSEUS_LIBRARIES} ${GNURADIO_BLOCKS_LIBRARIES}) diff --git a/lib/perseus/perseus_source_c.cc b/lib/perseus/perseus_source_c.cc new file mode 100644 index 0000000..bf7c9be --- /dev/null +++ b/lib/perseus/perseus_source_c.cc @@ -0,0 +1,613 @@ +/* -*- c++ -*- */ +/* + * Copyright 2018 Andrea Montefusco IW0HDV + * + * 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/detail/endian.hpp> +#include <boost/algorithm/string.hpp> +#include <boost/thread/thread.hpp> + +#include <gnuradio/io_signature.h> + +#include "perseus_source_c.h" +#include "arg_helpers.h" + + + +using namespace boost::assign; + +#define PERSEUS_FORMAT_ERROR(ret, msg) \ + boost::str( boost::format(msg " (%1%)") % ret ) + +#define PERSEUS_THROW_ON_ERROR(ret, msg) \ + if ( ret != PERSEUS_NOERROR ) \ + { \ + throw std::runtime_error( PERSEUS_FORMAT_ERROR(ret, msg) ); \ + } + +#define PERSEUS_FUNC_STR(func, arg) \ + boost::str(boost::format(func "(%1%)") % arg) + " has failed" + +perseus_source_c_sptr make_perseus_source_c (const std::string & args) +{ + return gnuradio::get_initial_sptr(new perseus_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 + */ +perseus_source_c::perseus_source_c (const std::string &args) + : gr::sync_block ("perseus_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), + _frun(false), + _cnt(0), + _att_value(0), + _adc_preamp(false), + _adc_dither(false), + _preselector(false) +{ + dict_t dict = params_to_dict(args); + + _dev = NULL; + + // Set debug info dumped to stderr to the maximum verbose level + perseus_set_debug(3); + + // Check how many Perseus receivers are connected to the system + int num_perseus = perseus_init(); + std::cerr << "## Microtelecom Perseus ctor: " << num_perseus << " Perseus receivers found." << std::endl; + + if (num_perseus==0) { + perseus_exit(); + PERSEUS_THROW_ON_ERROR(PERSEUS_DEVNOTFOUND, "No Perseus receivers detected"); + } + // Open the first one... + if ((_dev = perseus_open(0)) == NULL) { + PERSEUS_THROW_ON_ERROR(PERSEUS_DEVNOTFOUND, "Unable to open Perseus device"); + } + // Download the standard firmware to the unit + std::cerr << "Downloading firmware..." << std::endl; + if (int rc = perseus_firmware_download(_dev,NULL)<0) { + PERSEUS_THROW_ON_ERROR (rc, "firmware download error"); + } + + // Dump some information about the receiver (S/N and HW rev) + int flag; + perseus_is_preserie(_dev, &flag); + if (flag != 0) + fprintf(stderr, "The device is a preserie unit"); + else { + eeprom_prodid prodid; + if (perseus_get_product_id(_dev,&prodid)<0) + fprintf(stderr, "get product id error: %s", perseus_errorstr()); + else + fprintf(stderr, "Receiver S/N: %05d-%02hX%02hX-%02hX%02hX-%02hX%02hX - HW Release:%hd.%hd\n", + (uint16_t) prodid.sn, + (uint16_t) prodid.signature[5], + (uint16_t) prodid.signature[4], + (uint16_t) prodid.signature[3], + (uint16_t) prodid.signature[2], + (uint16_t) prodid.signature[1], + (uint16_t) prodid.signature[0], + (uint16_t) prodid.hwrel, + (uint16_t) prodid.hwver); + } + // Printing all sampling rates available ..... + { + int buf[BUFSIZ]; + + if (perseus_get_sampling_rates (_dev, buf, sizeof(buf)/sizeof(buf[0])) < 0) { + fprintf(stderr, "get sampling rates error: %s\n", perseus_errorstr()); + } else { + int i = 0; + while (buf[i]) { + fprintf(stderr, "#%d: sample rate: %d\n", i, buf[i]); + _sample_rates.push_back( std::pair<double, uint32_t>( buf[i], i ) ); + i++; + } + /* 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()); + + for (size_t i = 0; i < _sample_rates.size(); i++) + std::cerr << boost::format("%gM ") % (_sample_rates[i].first / 1e6); + + std::cerr << std::endl; + } + } + // Configure the receiver for 2 MS/s operations + fprintf(stderr, "Configuring FPGA...\n"); + if (int ret = perseus_set_sampling_rate(_dev, 96000) < 0) { // specify the sampling rate value in Samples/second + std::cerr << "fpga configuration error: " << perseus_errorstr() << std::endl; + PERSEUS_THROW_ON_ERROR(ret, "Perseus fpga configuration error"); + } + + perseus_set_attenuator_in_db(_dev, _att_value); + // Enable ADC Dither, Disable ADC Preamp + perseus_set_adc(_dev, _adc_dither == true ? 1:0, _adc_preamp == true ? 1:0); + // set the NCO frequency in the middle of the range allowed + 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. + */ +perseus_source_c::~perseus_source_c () +{ + if (_dev) { + if (_frun) stop(); + int ret = perseus_close(_dev); + if ( ret != PERSEUS_NOERROR ) { + std::cerr << PERSEUS_FORMAT_ERROR(ret, "Failed to close Perseus") << std::endl; + } else + _dev = NULL; + } + perseus_exit(); + + if (_fifo) { + delete _fifo; + _fifo = NULL; + } +} + + +typedef union { + struct { + int32_t i; + int32_t q; + } __attribute__((__packed__)) iq; + struct { + uint8_t i1; + uint8_t i2; + uint8_t i3; + uint8_t i4; + uint8_t q1; + uint8_t q2; + uint8_t q3; + uint8_t q4; + } __attribute__((__packed__)) ; +} iq_sample; + + +int perseus_source_c::perseus_rx_callback(void *buf, int buf_size) +{ + size_t i, n_avail, to_copy, num_samples; + + uint8_t *samplebuf = (uint8_t*)buf; + + num_samples = buf_size/6; + + if (buf_size % 6) + std::cerr << "FATAL !!!!!!! not on boundary" << std::endl; + + iq_sample s; + + _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++ ) { + + s.i1 = s.q1 = 0; + s.i2 = *samplebuf++; + s.i3 = *samplebuf++; + s.i4 = *samplebuf++; + s.q2 = *samplebuf++; + s.q3 = *samplebuf++; + s.q4 = *samplebuf++; + + // convert 24 bit two's complements integers to float in [-1.0 - +1.0] range + // Push sample to the fifo + _fifo->push_back( gr_complex( (float)(s.iq.i) / (INT_MAX - 256), (float)(s.iq.q) / (INT_MAX - 256) ) ); + + } + // keep a counter of processed bytes + _cnt += buf_size; + + _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 necessary */ + if (to_copy < num_samples) + std::cerr << "O" << std::flush; + + return 0; // TODO: return -1 on error/stop +} + +// static method used as callback from the libperseus-sdr library +int perseus_source_c::_perseus_rx_callback(void *buf, int buf_size, void *extra) +{ + perseus_source_c *obj = (perseus_source_c *)extra; + + return obj->perseus_rx_callback((float *)buf, buf_size); + + return 0; +} + + +bool perseus_source_c::start() +{ + int ret; + + if ( ! _dev ) + return false; + + std::cerr << "***** START COUNTER: " << _cnt + << " mod 6 " << (_cnt % 6) << std::endl; + + _frun = true; + + // in order to guarantee samples stream synchronization + // re-set the sample rate each time the stream is started + set_sample_rate( get_sample_rate() ); + + ret = perseus_start_async_input(_dev, + 6 * 1024 * 2 /* buffer size */, + perseus_source_c::_perseus_rx_callback, + (void *)this); + if (ret != PERSEUS_NOERROR) { + std::cerr << "Failed to start RX streaming (" + << ret << ")" << std::endl; + return false; + } else + return true; +} + +bool perseus_source_c::stop() +{ + if ( ! _dev ) + return false; + + _frun = false; + + std::cerr << "***** STOP COUNTER: " << _cnt + << " mod 6 " << (_cnt % 6) << std::endl; + + int ret = perseus_stop_async_input(_dev); + + if ( ret != PERSEUS_NOERROR ) { + std::cerr << "Failed to stop RX streaming (" << ret << ")" << std::endl; + return false; + } else + return true; +} + +int perseus_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]; + + if ( _frun == false ) return WORK_DONE; + + boost::unique_lockboost::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::vectorstd::string perseus_source_c::get_devices() +{ + std::vectorstd::string devices; + std::string label; + + std::string args = "perseus=0,label='Perseus'"; + devices.push_back( args ); + + return devices; +} + +size_t perseus_source_c::get_num_channels() +{ + return 1; +} + +osmosdr::meta_range_t perseus_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 ); + std::cerr << "SR: " << i << " : (" + << _sample_rates[i].first << ")" << std::endl; + } + return range; +} + +double perseus_source_c::set_sample_rate( double rate ) +{ + int ret; + if ((ret = perseus_set_sampling_rate(_dev, rate)) < 0) { + PERSEUS_THROW_ON_ERROR(ret, "Unable to set sample rate."); + } else + _sample_rate = rate; + + return get_sample_rate(); +} + +double perseus_source_c::get_sample_rate() +{ + return _sample_rate; +} + +osmosdr::freq_range_t perseus_source_c::get_freq_range( size_t chan ) +{ + osmosdr::freq_range_t range; + + range += osmosdr::range_t( PERSEUS_DDC_FREQ_MIN, PERSEUS_DDC_FREQ_MAX ); + + return range; +} + +double perseus_source_c::set_center_freq( double freq, size_t chan ) +{ + int ret; + + if (_dev) { + ret = + perseus_set_ddc_center_freq(_dev, + (uint64_t)(freq * (1.0 + (_freq_corr * 10e-6))), + _preselector == true ? 1:0); + if ( ret == PERSEUS_NOERROR ) { + _center_freq = freq; + } else { + PERSEUS_THROW_ON_ERROR( ret, PERSEUS_FUNC_STR( "perseus_set_ddc_center_freq", freq ) ) + } + } + + return get_center_freq( chan ); +} + +double perseus_source_c::get_center_freq( size_t chan ) +{ + return _center_freq; +} + +double perseus_source_c::set_freq_corr( double ppm, size_t chan ) +{ + return _freq_corr = ppm; +} + +double perseus_source_c::get_freq_corr( size_t chan ) +{ + return _freq_corr; +} + +std::vectorstd::string perseus_source_c::get_gain_names( size_t chan ) +{ + std::vector< std::string > names; + + names += "Attenuator"; + names += "ADC preamp"; + names += "ADC dither"; + + return names; +} + +// +// FIXME +// +osmosdr::gain_range_t perseus_source_c::get_gain_range( size_t chan ) +{ + return get_gain_range( "Attenuator", chan ); +} + +osmosdr::gain_range_t perseus_source_c::get_gain_range( const std::string & name, size_t chan ) +{ + if ( "Attenuator" == name ) { + return osmosdr::gain_range_t( -30, 0, 10 ); + } + if ( "ADC preamp" == name ) { + return osmosdr::gain_range_t( 0, 6, 6 ); + } + if ( "ADC dither" == name ) { + return osmosdr::gain_range_t( 0, 1, 1 ); + } + + return osmosdr::gain_range_t(); +} + + +double perseus_source_c::set_attenuator( double gain, size_t chan ) +{ + int ret; + + gain = - gain; + if (_dev && _att_value != gain) { + ret = perseus_set_attenuator_in_db (_dev, gain); + + if ( PERSEUS_NOERROR == ret ) { + _att_value = gain; + } else { + std::cerr << "ERROR: perseus_set_attenuator_in_db: " << gain << std::endl; + } + } + + return _att_value; +} + +double perseus_source_c::set_adc_preamp( double gain, size_t chan ) +{ + std::cerr << "set_adc_preamp: " << gain << std::endl; + + if (_dev) { + _adc_preamp = (gain != 0. ? true : false); + int ret = + perseus_set_adc(_dev, _adc_dither == true ? 1:0, _adc_preamp == true ? 1:0); + if ( PERSEUS_NOERROR != ret ) { + std::cerr << "ERROR: perseus_set_adc" << ret << std::endl; + } + } + return gain; +} + +double perseus_source_c::set_adc_dither( double gain, size_t chan ) +{ + std::cerr << "set_adc_dither: " << gain << std::endl; + + if (_dev) { + _adc_dither = (gain != 0. ? true : false); + int ret = + perseus_set_adc(_dev, _adc_dither == true ? 1:0, _adc_preamp == true ? 1:0); + if ( PERSEUS_NOERROR != ret ) { + std::cerr << "ERROR: perseus_set_adc" << ret << std::endl; + } + } + return gain; +} + +double perseus_source_c::get_attenuator( size_t chan ) +{ + return _att_value; +} + +double perseus_source_c::get_adc_preamp(size_t chan ) +{ + double v = _adc_preamp == true ? 6. : 0.; + std::cerr << "get_adc_preamp: " << _adc_preamp << " value" << v << std::endl; + return v; +} + +double perseus_source_c::get_adc_dither(size_t chan ) +{ + double v = _adc_dither == true ? 1. : 0.; + std::cerr << "get_adc_dither: " << _adc_dither << " value" << v << std::endl; + return v; +} + + +double perseus_source_c::set_gain( double gain, const std::string & name, size_t chan) +{ + if ( "Attenuator" == name ) { + return set_attenuator( gain, chan ); + } + if ( "ADC preamp" == name ) { + return set_adc_preamp( gain, chan ); + } + if ( "ADC dither" == name ) { + return set_adc_dither( gain, chan ); + } + return gain; +} + + +double perseus_source_c::get_gain( const std::string & name, size_t chan ) +{ + if ( "Attenuator" == name ) { + return get_attenuator( chan ); + } + if ( "ADC preamp" == name ) { + return get_adc_preamp( chan ); + } + if ( "ADC dither" == name ) { + return get_adc_dither( chan ); + } + return 0.0; +} + + + +std::vector< std::string > perseus_source_c::get_antennas( size_t chan ) +{ + std::vector< std::string > antennas; + + antennas += "RX"; + antennas += "RX+PRESELECTOR"; + + return antennas; +} + +std::string perseus_source_c::set_antenna( const std::string & antenna, size_t chan ) +{ + if ( antenna == "RX" ) { + _preselector = false; + set_center_freq( get_center_freq() ); + return "RX"; + } + if ( antenna == "RX+PRESELECTOR" ) { + _preselector = true; + set_center_freq( get_center_freq() ); + return "RX+PRESELECTOR"; + } + return get_antenna( chan ); +} + +std::string perseus_source_c::get_antenna( size_t chan ) +{ + std::cerr << "perseus_source_c::get_antenna: " << chan << std::endl; + return "RX"; +} diff --git a/lib/perseus/perseus_source_c.h b/lib/perseus/perseus_source_c.h new file mode 100644 index 0000000..55d3f89 --- /dev/null +++ b/lib/perseus/perseus_source_c.h @@ -0,0 +1,135 @@ +/* -*- c++ -*- */ +/* + * Copyright 2013 Dimitri Stolnikov horiz0n@gmx.net + * + * 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. + */ +#ifndef INCLUDED_PERSEUS_SOURCE_C_H +#define INCLUDED_PERSEUS_SOURCE_C_H + +#include <boost/circular_buffer.hpp> +#include <boost/thread/mutex.hpp> +#include <boost/thread/condition_variable.hpp> + +#include <gnuradio/sync_block.h> + +#include "source_iface.h" +#include <perseus-sdr.h> + +class perseus_source_c; + +typedef boost::shared_ptr<perseus_source_c> perseus_source_c_sptr; + +/*! + * \brief Return a shared_ptr to a new instance of perseus_source_c. + * + * To avoid accidental use of raw pointers, perseus_source_c's + * constructor is private. make_perseus_source_c is the public + * interface for creating new instances. + */ +perseus_source_c_sptr make_perseus_source_c (const std::string & args = ""); + +/*! + * \brief Provides a stream of complex samples. + * \ingroup block + */ +class perseus_source_c : + public gr::sync_block, + public source_iface +{ +private: + // The friend declaration allows make_perseus_source_c to + // access the private constructor. + + friend perseus_source_c_sptr make_perseus_source_c (const std::string & args); + + perseus_source_c (const std::string & args); + +public: + ~perseus_source_c (); + + 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 = 0 ); + double set_center_freq( double freq, size_t chan = 0 ); + double get_center_freq( size_t chan = 0 ); + double set_freq_corr( double ppm, size_t chan = 0 ); + double get_freq_corr( size_t chan = 0 ); + + std::vectorstd::string get_gain_names( size_t chan = 0 ); + osmosdr::gain_range_t get_gain_range( size_t chan = 0 ); + osmosdr::gain_range_t get_gain_range( const std::string & name, size_t chan = 0 ); + + double set_gain( double gain, size_t chan = 0 ) {return gain; } + double get_gain( size_t chan = 0 ) {return _att_value; } + + double set_attenuator( double gain, size_t chan = 0 ); + double get_attenuator( size_t chan = 0 ); + + double set_adc_preamp( double gain, size_t chan = 0 ); + double get_adc_preamp( size_t chan = 0 ); + + double set_adc_dither( double gain, size_t chan = 0 ); + double get_adc_dither( size_t chan = 0 ); + + double set_gain( double gain, const std::string & name, size_t chan = 0 ); + double get_gain( const std::string & name, size_t chan = 0 ); + + std::vector< std::string > get_antennas( size_t chan = 0 ); + std::string set_antenna( const std::string & antenna, size_t chan = 0 ); + std::string get_antenna( size_t chan = 0 ); + + +private: + static int _perseus_rx_callback(void *buf, int buf_size, void *extra); + + int perseus_rx_callback(void *samples, int sample_count); + + perseus_descr *_dev; + + boost::circular_buffer<gr_complex> *_fifo; + boost::mutex _fifo_lock; + boost::condition_variable _samp_avail; + + std::vector< std::pair<double, uint32_t> > _sample_rates; + double _sample_rate; + double _center_freq; + double _freq_corr; + + bool _frun; + int _cnt; + double _att_value; + bool _adc_preamp; + bool _adc_dither; + bool _preselector; +}; + +#endif /* INCLUDED_PERSEUS_SOURCE_C_H */ diff --git a/lib/source_impl.cc b/lib/source_impl.cc index a28f314..ead4ef7 100644 --- a/lib/source_impl.cc +++ b/lib/source_impl.cc @@ -92,6 +92,9 @@ #include <freesrp_source_c.h> #endif

+#ifdef ENABLE_PERSEUS +#include <perseus_source_c.h> +#endif

#include "arg_helpers.h" #include "source_impl.h" @@ -171,6 +174,9 @@ source_impl::source_impl( const std::string &args ) #ifdef ENABLE_FREESRP dev_types.push_back("freesrp"); #endif +#ifdef ENABLE_PERSEUS + dev_types.push_back("perseus"); +#endif std::cerr << "gr-osmosdr " << GR_OSMOSDR_VERSION << " (" << GR_OSMOSDR_LIBVER << ") " << "gnuradio " << gr::version() << std::endl; @@ -252,7 +258,10 @@ source_impl::source_impl( const std::string &args ) BOOST_FOREACH( std::string dev, freesrp_source_c::get_devices() ) dev_list.push_back( dev ); #endif - +#ifdef ENABLE_PERSEUS + BOOST_FOREACH( std::string dev, perseus_source_c::get_devices() ) + dev_list.push_back( dev ); +#endif // std::cerr << std::endl; // BOOST_FOREACH( std::string dev, dev_list ) // std::cerr << "'" << dev << "'" << std::endl; @@ -383,6 +392,13 @@ source_impl::source_impl( const std::string &args ) } #endif

+#ifdef ENABLE_PERSEUS + if ( dict.count("perseus") ) { + perseus_source_c_sptr src = make_perseus_source_c( arg ); + block = src; iface = src.get(); + } +#endif + if ( iface != NULL && long(block.get()) != 0 ) { _devs.push_back( iface );