forked from sdr/gr-osmosdr
For use with the rtl_tcp utility acting as a spectrum server. The "empty" rtl_tcp= device hint might be used to connect to rtl_tcp running on local machine.gr3.6
parent
3a066ff258
commit
f94d8da48e
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# Copyright 2012 Free Software Foundation, Inc. |
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# |
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# This file is part of GNU Radio |
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# |
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# GNU Radio is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 3, or (at your option) |
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# any later version. |
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# |
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# GNU Radio is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with GNU Radio; see the file COPYING. If not, write to |
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# the Free Software Foundation, Inc., 51 Franklin Street, |
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# Boston, MA 02110-1301, USA. |
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|
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######################################################################## |
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# This file included, use CMake directory variables |
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######################################################################## |
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include_directories(APPEND ${CMAKE_CURRENT_SOURCE_DIR}) |
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set(rtl_tcp_srcs |
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${CMAKE_CURRENT_SOURCE_DIR}/rtl_tcp_source_f.cc |
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${CMAKE_CURRENT_SOURCE_DIR}/rtl_tcp_source_c.cc |
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) |
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|
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######################################################################## |
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# Append gnuradio-osmosdr library sources |
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######################################################################## |
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list(APPEND gr_osmosdr_srcs ${rtl_tcp_srcs}) |
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list(APPEND gr_osmosdr_libs ${GNURADIO_CORE_LIBRARIES}) |
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/* -*- c++ -*- */ |
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/*
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* Copyright 2012 Dimitri Stolnikov <horiz0n@gmx.net> |
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* |
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* GNU Radio is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3, or (at your option) |
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* any later version. |
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* |
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* GNU Radio is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with GNU Radio; see the file COPYING. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, |
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* Boston, MA 02110-1301, USA. |
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*/ |
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#include <fstream> |
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#include <string> |
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#include <sstream> |
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#include <boost/assign.hpp> |
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#include <gr_io_signature.h> |
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#include <gr_deinterleave.h> |
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#include <gr_float_to_complex.h> |
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#include "rtl_tcp_source_c.h" |
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#include <osmosdr_arg_helpers.h> |
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using namespace boost::assign; |
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rtl_tcp_source_c_sptr make_rtl_tcp_source_c(const std::string &args) |
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{ |
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return gnuradio::get_initial_sptr(new rtl_tcp_source_c(args)); |
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} |
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rtl_tcp_source_c::rtl_tcp_source_c(const std::string &args) : |
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gr_hier_block2("rtl_tcp_source_c", |
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gr_make_io_signature (0, 0, 0), |
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gr_make_io_signature (1, 1, sizeof (gr_complex))) |
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{ |
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std::string host = "127.0.0.1"; |
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unsigned short port = 1234; |
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bool eof = false; |
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bool wait = true; |
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int payload_size = 16384; |
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_freq = 0; |
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_rate = 0; |
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dict_t dict = params_to_dict(args); |
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if (dict.count("host")) |
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host = dict["host"]; |
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if (dict.count("port")) |
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port = boost::lexical_cast< unsigned short >( dict["port"] ); |
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if (dict.count("eof")) |
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eof = "true" == dict["eof"] ? true : false; |
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if (dict.count("wait")) |
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wait = "true" == dict["wait"] ? true : false; |
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if (dict.count("psize")) |
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payload_size = boost::lexical_cast< int >( dict["psize"] ); |
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if (!host.length()) |
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host = "127.0.0.1"; |
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if (0 == port) |
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port = 1234; |
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if (payload_size <= 0) |
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payload_size = 16384; |
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_src = make_rtl_tcp_source_f(sizeof(float), host.c_str(), port, payload_size, |
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eof, wait); |
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/* rtl tcp source provides a stream of interleaved IQ floats */ |
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gr_deinterleave_sptr deinterleave = gr_make_deinterleave(sizeof(float)); |
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/* block to convert deinterleaved floats to a complex stream */ |
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gr_float_to_complex_sptr f2c = gr_make_float_to_complex(1); |
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connect(_src, 0, deinterleave, 0); |
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connect(deinterleave, 0, f2c, 0); /* I */ |
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connect(deinterleave, 1, f2c, 1); /* Q */ |
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connect(f2c, 0, self(), 0); |
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} |
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rtl_tcp_source_c::~rtl_tcp_source_c() |
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{ |
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} |
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gr_basic_block_sptr rtl_tcp_source_c::self() |
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{ |
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return gr_hier_block2::self(); |
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} |
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std::string rtl_tcp_source_c::name() |
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{ |
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return "RTL TCP Client Source"; |
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} |
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size_t rtl_tcp_source_c::get_num_channels( void ) |
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{ |
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return 1; |
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} |
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osmosdr::meta_range_t rtl_tcp_source_c::get_sample_rates( void ) |
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{ |
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osmosdr::meta_range_t range; |
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range += osmosdr::range_t( get_sample_rate() ); |
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return range; |
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} |
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double rtl_tcp_source_c::set_sample_rate( double rate ) |
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{ |
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return get_sample_rate(); |
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} |
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double rtl_tcp_source_c::get_sample_rate( void ) |
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{ |
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return _rate; |
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} |
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osmosdr::freq_range_t rtl_tcp_source_c::get_freq_range( size_t chan ) |
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{ |
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osmosdr::freq_range_t range(50e6, 2.2e6, 100); |
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return range; |
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} |
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double rtl_tcp_source_c::set_center_freq( double freq, size_t chan ) |
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{ |
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_src->set_freq( int(freq) ); |
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_freq = freq; |
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return get_center_freq(chan); |
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} |
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double rtl_tcp_source_c::get_center_freq( size_t chan ) |
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{ |
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return _freq; |
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} |
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double rtl_tcp_source_c::set_freq_corr( double ppm, size_t chan ) |
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{ |
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return get_freq_corr( chan ); |
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} |
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double rtl_tcp_source_c::get_freq_corr( size_t chan ) |
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{ |
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return 0; |
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} |
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std::vector<std::string> rtl_tcp_source_c::get_gain_names( size_t chan ) |
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{ |
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return std::vector< std::string >(); |
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} |
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osmosdr::gain_range_t rtl_tcp_source_c::get_gain_range( size_t chan ) |
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{ |
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osmosdr::gain_range_t range(0, 0); |
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return range; |
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} |
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osmosdr::gain_range_t rtl_tcp_source_c::get_gain_range( const std::string & name, size_t chan ) |
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{ |
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return get_gain_range( chan ); |
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} |
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bool rtl_tcp_source_c::set_gain_mode( bool mode, size_t chan ) |
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{ |
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return get_gain_mode(chan); |
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} |
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bool rtl_tcp_source_c::get_gain_mode( size_t chan ) |
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{ |
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return true; |
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} |
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double rtl_tcp_source_c::set_gain( double gain, size_t chan ) |
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{ |
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return get_gain(chan); |
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} |
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double rtl_tcp_source_c::set_gain( double gain, const std::string & name, size_t chan ) |
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{ |
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return set_gain(chan); |
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} |
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double rtl_tcp_source_c::get_gain( size_t chan ) |
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{ |
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return 0; |
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} |
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double rtl_tcp_source_c::get_gain( const std::string & name, size_t chan ) |
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{ |
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return get_gain(chan); |
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} |
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std::vector< std::string > rtl_tcp_source_c::get_antennas( size_t chan ) |
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{ |
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std::vector< std::string > antennas; |
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antennas += get_antenna(chan); |
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return antennas; |
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} |
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std::string rtl_tcp_source_c::set_antenna( const std::string & antenna, size_t chan ) |
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{ |
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return get_antenna(chan); |
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} |
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std::string rtl_tcp_source_c::get_antenna( size_t chan ) |
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{ |
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return "ANT"; |
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} |
@ -0,0 +1,82 @@ |
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/* -*- c++ -*- */ |
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/*
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* Copyright 2012 Dimitri Stolnikov <horiz0n@gmx.net> |
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* |
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* GNU Radio is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3, or (at your option) |
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* any later version. |
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* |
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* GNU Radio is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with GNU Radio; see the file COPYING. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, |
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* Boston, MA 02110-1301, USA. |
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*/ |
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#ifndef RTL_TCP_SOURCE_C_H |
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#define RTL_TCP_SOURCE_C_H |
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#include <gr_hier_block2.h> |
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#include "osmosdr_src_iface.h" |
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#include "rtl_tcp_source_f.h" |
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class rtl_tcp_source_c; |
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typedef boost::shared_ptr< rtl_tcp_source_c > rtl_tcp_source_c_sptr; |
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rtl_tcp_source_c_sptr make_rtl_tcp_source_c( const std::string & args = "" ); |
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class rtl_tcp_source_c : |
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public gr_hier_block2, |
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public osmosdr_src_iface |
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{ |
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private: |
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friend rtl_tcp_source_c_sptr make_rtl_tcp_source_c(const std::string &args); |
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rtl_tcp_source_c(const std::string &args); |
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public: |
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~rtl_tcp_source_c(); |
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gr_basic_block_sptr self(); |
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std::string name(); |
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size_t get_num_channels( void ); |
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osmosdr::meta_range_t get_sample_rates( void ); |
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double set_sample_rate( double rate ); |
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double get_sample_rate( void ); |
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osmosdr::freq_range_t get_freq_range( size_t chan = 0 ); |
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double set_center_freq( double freq, size_t chan = 0 ); |
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double get_center_freq( size_t chan = 0 ); |
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double set_freq_corr( double ppm, size_t chan = 0 ); |
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double get_freq_corr( size_t chan = 0 ); |
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std::vector<std::string> get_gain_names( size_t chan = 0 ); |
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osmosdr::gain_range_t get_gain_range( size_t chan = 0 ); |
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osmosdr::gain_range_t get_gain_range( const std::string & name, size_t chan = 0 ); |
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bool set_gain_mode( bool mode, size_t chan = 0 ); |
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bool get_gain_mode( size_t chan = 0 ); |
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double set_gain( double gain, size_t chan = 0 ); |
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double set_gain( double gain, const std::string & name, size_t chan = 0 ); |
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double get_gain( size_t chan = 0 ); |
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double get_gain( const std::string & name, size_t chan = 0 ); |
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std::vector< std::string > get_antennas( size_t chan = 0 ); |
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std::string set_antenna( const std::string & antenna, size_t chan = 0 ); |
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std::string get_antenna( size_t chan = 0 ); |
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private: |
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double _freq, _rate; |
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rtl_tcp_source_f_sptr _src; |
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}; |
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#endif // RTL_TCP_SOURCE_C_H
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@ -0,0 +1,259 @@ |
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/* -*- c++ -*- */ |
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/*
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* Copyright 2012 Hoernchen <la@tfc-server.de> |
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* |
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* GNU Radio is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3, or (at your option) |
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* any later version. |
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* |
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* GNU Radio is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with GNU Radio; see the file COPYING. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, |
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* Boston, MA 02110-1301, USA. |
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*/ |
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//#define HAVE_WINDOWS_H
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#include <rtl_tcp_source_f.h> |
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#include <gr_io_signature.h> |
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#include <stdexcept> |
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#include <errno.h> |
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#include <stdio.h> |
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#include <string.h> |
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#define USE_SELECT 1 // non-blocking receive on all platforms
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#define USE_RCV_TIMEO 0 // non-blocking receive on all but Cygwin
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#define SRC_VERBOSE 0 |
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#define SNK_VERBOSE 0 |
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static int is_error( int perr ) |
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{ |
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// Compare error to posix error code; return nonzero if match.
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#if defined(USING_WINSOCK) |
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#define ENOPROTOOPT 109 |
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// All codes to be checked for must be defined below
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int werr = WSAGetLastError(); |
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switch( werr ) { |
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case WSAETIMEDOUT: |
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return( perr == EAGAIN ); |
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case WSAENOPROTOOPT: |
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return( perr == ENOPROTOOPT ); |
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default: |
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fprintf(stderr,"rtl_tcp_source_f: unknown error %d WS err %d \n", perr, werr ); |
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throw std::runtime_error("internal error"); |
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} |
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return 0; |
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#else |
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return( perr == errno ); |
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#endif |
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} |
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static void report_error( const char *msg1, const char *msg2 ) |
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{ |
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// Deal with errors, both posix and winsock
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#if defined(USING_WINSOCK) |
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int werr = WSAGetLastError(); |
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fprintf(stderr, "%s: winsock error %d\n", msg1, werr ); |
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#else |
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perror(msg1); |
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#endif |
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if( msg2 != NULL ) |
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throw std::runtime_error(msg2); |
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return; |
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} |
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rtl_tcp_source_f::rtl_tcp_source_f(size_t itemsize, |
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const char *host, |
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unsigned short port, |
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int payload_size, |
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bool eof, |
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bool wait) |
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: gr_sync_block ("rtl_tcp_source_f", |
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gr_make_io_signature(0, 0, 0), |
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gr_make_io_signature(1, 1, sizeof(float))), |
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d_itemsize(itemsize), |
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d_payload_size(payload_size), |
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d_eof(eof), |
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d_wait(wait), |
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d_socket(-1), |
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d_residual(0), |
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d_temp_offset(0), |
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curr_freq(0) |
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{ |
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int ret = 0; |
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struct sockaddr_in cliaddr; |
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socklen_t clilen; |
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#if defined(USING_WINSOCK) // for Windows (with MinGW)
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// initialize winsock DLL
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WSADATA wsaData; |
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int iResult = WSAStartup( MAKEWORD(2,2), &wsaData ); |
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if( iResult != NO_ERROR ) { |
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report_error( "rtl_tcp_source_f WSAStartup", "can't open socket" ); |
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} |
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#endif |
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// Set up the address stucture for the source address and port numbers
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// Get the source IP address from the host name
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struct addrinfo *ip_src; // store the source IP address to use
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struct addrinfo hints; |
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memset( (void*)&hints, 0, sizeof(hints) ); |
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hints.ai_family = AF_INET; |
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hints.ai_socktype = SOCK_STREAM; |
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hints.ai_protocol = IPPROTO_TCP; |
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hints.ai_flags = AI_PASSIVE; |
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char port_str[12]; |
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sprintf( port_str, "%d", port ); |
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// FIXME leaks if report_error throws below
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ret = getaddrinfo( host, port_str, &hints, &ip_src ); |
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if( ret != 0 ) |
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report_error("rtl_tcp_source_f/getaddrinfo", |
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"can't initialize source socket" ); |
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// FIXME leaks if report_error throws below
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d_temp_buff = new unsigned char[d_payload_size]; // allow it to hold up to payload_size bytes
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d_LUT= new float[0xff+1]; |
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for(int i=0; i <=(0xff);++i){ |
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d_LUT[i] = (((float)(i&0xff))-127.5f)*(1.0f/128.0f); |
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} |
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// create socket
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d_socket = socket(ip_src->ai_family, ip_src->ai_socktype, |
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ip_src->ai_protocol); |
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if(d_socket == -1) { |
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report_error("socket open","can't open socket"); |
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} |
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|
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// Turn on reuse address
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int opt_val = 1; |
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if(setsockopt(d_socket, SOL_SOCKET, SO_REUSEADDR, (optval_t)&opt_val, sizeof(int)) == -1) { |
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report_error("SO_REUSEADDR","can't set socket option SO_REUSEADDR"); |
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} |
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// Don't wait when shutting down
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linger lngr; |
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lngr.l_onoff = 1; |
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lngr.l_linger = 0; |
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if(setsockopt(d_socket, SOL_SOCKET, SO_LINGER, (optval_t)&lngr, sizeof(linger)) == -1) { |
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if( !is_error(ENOPROTOOPT) ) { // no SO_LINGER for SOCK_DGRAM on Windows
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report_error("SO_LINGER","can't set socket option SO_LINGER"); |
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} |
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} |
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#if USE_RCV_TIMEO |
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// Set a timeout on the receive function to not block indefinitely
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// This value can (and probably should) be changed
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// Ignored on Cygwin
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#if defined(USING_WINSOCK) |
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DWORD timeout = 1000; // milliseconds
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#else |
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timeval timeout; |
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timeout.tv_sec = 1; |
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timeout.tv_usec = 0; |
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#endif |
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if(setsockopt(d_socket, SOL_SOCKET, SO_RCVTIMEO, (optval_t)&timeout, sizeof(timeout)) == -1) { |
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report_error("SO_RCVTIMEO","can't set socket option SO_RCVTIMEO"); |
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} |
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#endif // USE_RCV_TIMEO
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while(connect(d_socket, ip_src->ai_addr, ip_src->ai_addrlen) != 0); |
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freeaddrinfo(ip_src);
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int flag = 1; |
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setsockopt(d_socket, IPPROTO_TCP, TCP_NODELAY, (char *)&flag,sizeof(flag)); |
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} |
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|
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rtl_tcp_source_f_sptr make_rtl_tcp_source_f (size_t itemsize, |
||||
const char *ipaddr, |
||||
unsigned short port, |
||||
int payload_size, |
||||
bool eof, |
||||
bool wait) |
||||
{ |
||||
return gnuradio::get_initial_sptr(new rtl_tcp_source_f ( |
||||
itemsize, |
||||
ipaddr, |
||||
port, |
||||
payload_size, |
||||
eof, |
||||
wait)); |
||||
} |
||||
|
||||
rtl_tcp_source_f::~rtl_tcp_source_f () |
||||
{ |
||||
delete [] d_temp_buff; |
||||
|
||||
if (d_socket != -1){ |
||||
shutdown(d_socket, SHUT_RDWR); |
||||
#if defined(USING_WINSOCK) |
||||
closesocket(d_socket); |
||||
#else |
||||
::close(d_socket); |
||||
#endif |
||||
d_socket = -1; |
||||
} |
||||
|
||||
#if defined(USING_WINSOCK) // for Windows (with MinGW)
|
||||
// free winsock resources
|
||||
WSACleanup(); |
||||
#endif |
||||
} |
||||
|
||||
int rtl_tcp_source_f::work (int noutput_items, |
||||
gr_vector_const_void_star &input_items, |
||||
gr_vector_void_star &output_items) |
||||
{ |
||||
float *out = (float *) output_items[0]; |
||||
ssize_t r=0, nbytes=0, bytes_received=0; |
||||
ssize_t total_bytes = (ssize_t)(d_itemsize*noutput_items); |
||||
|
||||
int bytesleft = noutput_items; |
||||
int index = 0; |
||||
int receivedbytes = 0; |
||||
while(bytesleft > 0) { |
||||
receivedbytes = recv(d_socket, (char*)&d_temp_buff[index], bytesleft, 0); |
||||
|
||||
if(receivedbytes == -1 && !is_error(EAGAIN)){ |
||||
fprintf(stderr, "socket error\n"); |
||||
return -1; |
||||
} |
||||
bytesleft -= receivedbytes; |
||||
index += receivedbytes; |
||||
} |
||||
r = noutput_items; |
||||
|
||||
for(int i=0; i<r; ++i) |
||||
out[i]=d_LUT[*(d_temp_buff+d_temp_offset+i)]; |
||||
|
||||
return r; |
||||
} |
||||
|
||||
#ifdef _WIN32 |
||||
#define __attribute__(x) |
||||
#pragma pack(push, 1) |
||||
#endif |
||||
struct command{ |
||||
unsigned char cmd; |
||||
unsigned int param; |
||||
}__attribute__((packed)); |
||||
#ifdef _WIN32 |
||||
#pragma pack(pop) |
||||
#endif |
||||
|
||||
void rtl_tcp_source_f::set_freq(int freq) |
||||
{ |
||||
struct command cmd; |
||||
|
||||
if (freq != curr_freq) { |
||||
cmd.cmd = 0x01; |
||||
cmd.param = freq; |
||||
send(d_socket, (const char*)&cmd, sizeof(cmd), 0); |
||||
curr_freq = freq; |
||||
} |
||||
} |
@ -0,0 +1,99 @@ |
||||
/* -*- c++ -*- */ |
||||
/*
|
||||
* Copyright 2012 Hoernchen <la@tfc-server.de> |
||||
*
|
||||
* 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 RTL_TCP_SOURCE_F_H |
||||
#define RTL_TCP_SOURCE_F_H |
||||
|
||||
#include <osmosdr_api.h> |
||||
|
||||
#include <gr_sync_block.h> |
||||
#include <gruel/thread.h> |
||||
|
||||
#if defined(_WIN32) |
||||
// if not posix, assume winsock
|
||||
#pragma comment(lib, "ws2_32.lib") |
||||
#define USING_WINSOCK |
||||
#include <winsock2.h> |
||||
#include <ws2tcpip.h> |
||||
#define SHUT_RDWR 2 |
||||
typedef char* optval_t; |
||||
#else |
||||
#include <netdb.h> |
||||
#include <sys/types.h> |
||||
#include <sys/socket.h> |
||||
#include <netinet/in.h> |
||||
#include <netinet/tcp.h> |
||||
#include <arpa/inet.h> |
||||
typedef void* optval_t; |
||||
#endif |
||||
|
||||
#define ssize_t int |
||||
|
||||
class rtl_tcp_source_f; |
||||
typedef boost::shared_ptr<rtl_tcp_source_f> rtl_tcp_source_f_sptr; |
||||
|
||||
OSMOSDR_API rtl_tcp_source_f_sptr make_rtl_tcp_source_f ( |
||||
size_t itemsize, |
||||
const char *host, |
||||
unsigned short port, |
||||
int payload_size, |
||||
bool eof, |
||||
bool wait); |
||||
|
||||
class OSMOSDR_API rtl_tcp_source_f : public gr_sync_block |
||||
{ |
||||
private: |
||||
size_t d_itemsize; |
||||
int d_payload_size; // maximum transmission unit (packet length)
|
||||
bool d_eof; // zero-length packet is EOF
|
||||
bool d_wait; // wait if data if not immediately available
|
||||
int d_socket; // handle to socket
|
||||
unsigned char *d_temp_buff; // hold buffer between calls
|
||||
ssize_t d_residual; // hold information about number of bytes stored in the temp buffer
|
||||
size_t d_temp_offset; // point to temp buffer location offset
|
||||
int curr_freq; |
||||
float *d_LUT; |
||||
|
||||
private: |
||||
rtl_tcp_source_f(size_t itemsize, const char *host, |
||||
unsigned short port, int payload_size, bool eof, bool wait); |
||||
|
||||
// The friend declaration allows make_source_c to
|
||||
// access the private constructor.
|
||||
friend OSMOSDR_API rtl_tcp_source_f_sptr make_rtl_tcp_source_f ( |
||||
size_t itemsize, |
||||
const char *host, |
||||
unsigned short port, |
||||
int payload_size, |
||||
bool eof, |
||||
bool wait); |
||||
|
||||
public: |
||||
~rtl_tcp_source_f(); |
||||
|
||||
int work(int noutput_items, |
||||
gr_vector_const_void_star &input_items, |
||||
gr_vector_void_star &output_items); |
||||
|
||||
void set_freq(int freq); |
||||
}; |
||||
|
||||
|
||||
#endif /* RTL_TCP_SOURCE_F_H */ |
Loading…
Reference in new issue