forked from sdr/gr-osmosdr
Example: file=/path/to/file.ext,freq=428e6,rate=1e6,repeat=true,throttle=truegr3.6
parent
34baaf3f93
commit
f0ac70fa41
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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 ${CMAKE_CURRENT_SOURCE_DIR}) |
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set(file_srcs |
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${CMAKE_CURRENT_SOURCE_DIR}/file_source_c.cc |
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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 ${file_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_file_source.h> |
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#include <gr_throttle.h> |
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#include "file_source_c.h" |
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#include <osmosdr_arg_helpers.h> |
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using namespace boost::assign; |
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file_source_c_sptr make_file_source_c(const std::string &args) |
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{ |
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return gnuradio::get_initial_sptr(new file_source_c(args)); |
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} |
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file_source_c::file_source_c(const std::string &args) : |
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gr_hier_block2("file_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 filename; |
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bool repeat = false; |
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bool throttle = false; |
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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("file")) |
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filename = dict["file"]; |
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if (dict.count("freq")) |
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_freq = boost::lexical_cast< double >( dict["freq"] ); |
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if (dict.count("rate")) |
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_rate = boost::lexical_cast< double >( dict["rate"] ); |
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if (dict.count("repeat")) |
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repeat = "true" == dict["repeat"] ? true : false; |
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if (dict.count("throttle")) |
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throttle = "true" == dict["throttle"] ? true : false; |
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if (!filename.length()) |
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throw std::runtime_error("No file name specified."); |
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if (_freq < 0) |
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throw std::runtime_error("Parameter 'freq' may not be negative."); |
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if (0 == _rate) |
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throw std::runtime_error("Parameter 'rate' is missing in arguments."); |
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gr_file_source_sptr src = gr_make_file_source( sizeof(gr_complex), |
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filename.c_str(), |
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repeat ); |
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if (throttle) { |
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gr_throttle::sptr throttle = gr_make_throttle( sizeof(gr_complex), _rate ); |
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connect( src, 0, throttle, 0 ); |
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connect( throttle, 0, self(), 0 ); |
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} else { |
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connect( src, 0, self(), 0 ); |
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} |
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} |
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file_source_c::~file_source_c() |
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{ |
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} |
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gr_basic_block_sptr file_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 file_source_c::name() |
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{ |
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return "File Source"; |
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} |
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size_t file_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 file_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 file_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 file_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 file_source_c::get_freq_range( size_t chan ) |
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{ |
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osmosdr::freq_range_t range(_freq, _freq); |
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return range; |
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} |
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double file_source_c::set_center_freq( double freq, size_t chan ) |
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{ |
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return get_center_freq(chan); |
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} |
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double file_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 file_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 file_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> file_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 file_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 file_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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double file_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 file_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 file_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 file_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 > file_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 file_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 file_source_c::get_antenna( size_t chan ) |
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{ |
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return "ANT"; |
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} |
@ -0,0 +1,77 @@ |
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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 FILE_SOURCE_C_H |
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#define FILE_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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class file_source_c; |
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typedef boost::shared_ptr< file_source_c > file_source_c_sptr; |
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file_source_c_sptr make_file_source_c( const std::string & args = "" ); |
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class file_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 file_source_c_sptr make_file_source_c(const std::string &args); |
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file_source_c(const std::string &args); |
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public: |
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~file_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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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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}; |
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#endif // FILE_SOURCE_C_H
|
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