forked from sdr/gr-osmosdr
file: initial file source support
Example: file=/path/to/file.ext,freq=428e6,rate=1e6,repeat=true,throttle=truegr3.6
parent
34baaf3f93
commit
f0ac70fa41
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@ -110,6 +110,7 @@ Examples:
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rtl=0 rtl=1 rtl=2,rtl_xtal=28.80001e6,tuner_xtal=26e6 ...
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uhd=0|name,mcr=52e6,nchan=2,subdev='\\\\'B:0 A:0'\\\\' ...
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osmosdr=0|name,mcr=64e6,nchan=5,port=/dev/ttyUSB0 ...
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file=/path/to/file.ext,freq=428e6,rate=1e6,repeat=true,throttle=true
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Num Channels:
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Selects the total number of channels in this multi-device configuration.
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@ -66,6 +66,16 @@ if(ENABLE_FCD)
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GR_INCLUDE_SUBDIRECTORY(fcd)
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endif(ENABLE_FCD)
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########################################################################
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# Setup File component
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########################################################################
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include(GrComponent)
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GR_REGISTER_COMPONENT("File Source" ENABLE_FILE GNURADIO_CORE_FOUND)
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if(ENABLE_FILE)
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GR_INCLUDE_SUBDIRECTORY(file)
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endif(ENABLE_FILE)
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########################################################################
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# Setup RTL component
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########################################################################
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@ -3,6 +3,7 @@
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#cmakedefine ENABLE_OSMOSDR
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#cmakedefine ENABLE_FCD
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#cmakedefine ENABLE_FILE
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#cmakedefine ENABLE_RTL
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#cmakedefine ENABLE_UHD
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@ -0,0 +1,35 @@
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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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# 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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@ -0,0 +1,212 @@
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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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}
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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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@ -38,6 +38,10 @@
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#include <fcd_source.h>
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#endif
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#ifdef ENABLE_FILE
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#include <file_source_c.h>
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#endif
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#ifdef ENABLE_RTL
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#include <rtl_source_c.h>
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#endif
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@ -95,6 +99,14 @@ osmosdr_source_c_impl::osmosdr_source_c_impl (const std::string &args)
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}
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#endif
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#ifdef ENABLE_FILE
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if ( dict.count("file") ) {
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file_source_c_sptr src = make_file_source_c( arg );
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connect(src, 0, self(), channel++);
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_srcs.push_back( (osmosdr_src_iface *)src.get() );
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}
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#endif
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#ifdef ENABLE_RTL
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if ( dict.count("rtl") ) {
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rtl_source_c_sptr src = make_rtl_source_c( arg );
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