file: initial file source support

Example:
  file=/path/to/file.ext,freq=428e6,rate=1e6,repeat=true,throttle=true
gr3.6
Dimitri Stolnikov 11 years ago
parent 34baaf3f93
commit f0ac70fa41
  1. 1
      grc/gen_osmosdr_blocks.py
  2. 10
      lib/CMakeLists.txt
  3. 1
      lib/config.h.in
  4. 35
      lib/file/CMakeLists.txt
  5. 212
      lib/file/file_source_c.cc
  6. 77
      lib/file/file_source_c.h
  7. 12
      lib/osmosdr_source_c_impl.cc

@ -110,6 +110,7 @@ Examples:
rtl=0 rtl=1 rtl=2,rtl_xtal=28.80001e6,tuner_xtal=26e6 ...
uhd=0|name,mcr=52e6,nchan=2,subdev='\\\\'B:0 A:0'\\\\' ...
osmosdr=0|name,mcr=64e6,nchan=5,port=/dev/ttyUSB0 ...
file=/path/to/file.ext,freq=428e6,rate=1e6,repeat=true,throttle=true
Num Channels:
Selects the total number of channels in this multi-device configuration.

@ -66,6 +66,16 @@ if(ENABLE_FCD)
GR_INCLUDE_SUBDIRECTORY(fcd)
endif(ENABLE_FCD)
########################################################################
# Setup File component
########################################################################
include(GrComponent)
GR_REGISTER_COMPONENT("File Source" ENABLE_FILE GNURADIO_CORE_FOUND)
if(ENABLE_FILE)
GR_INCLUDE_SUBDIRECTORY(file)
endif(ENABLE_FILE)
########################################################################
# Setup RTL component
########################################################################

@ -3,6 +3,7 @@
#cmakedefine ENABLE_OSMOSDR
#cmakedefine ENABLE_FCD
#cmakedefine ENABLE_FILE
#cmakedefine ENABLE_RTL
#cmakedefine ENABLE_UHD

@ -0,0 +1,35 @@
# Copyright 2012 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(APPEND ${CMAKE_CURRENT_SOURCE_DIR})
set(file_srcs
${CMAKE_CURRENT_SOURCE_DIR}/file_source_c.cc
)
########################################################################
# Append gnuradio-osmosdr library sources
########################################################################
list(APPEND gr_osmosdr_srcs ${file_srcs})
list(APPEND gr_osmosdr_libs ${GNURADIO_CORE_LIBRARIES})

@ -0,0 +1,212 @@
/* -*- c++ -*- */
/*
* Copyright 2012 Dimitri Stolnikov <horiz0n@gmx.net>
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include <fstream>
#include <string>
#include <sstream>
#include <boost/assign.hpp>
#include <gr_io_signature.h>
#include <gr_file_source.h>
#include <gr_throttle.h>
#include "file_source_c.h"
#include <osmosdr_arg_helpers.h>
using namespace boost::assign;
file_source_c_sptr make_file_source_c(const std::string &args)
{
return gnuradio::get_initial_sptr(new file_source_c(args));
}
file_source_c::file_source_c(const std::string &args) :
gr_hier_block2("file_source_c",
gr_make_io_signature (0, 0, 0),
gr_make_io_signature (1, 1, sizeof (gr_complex)))
{
std::string filename;
bool repeat = false;
bool throttle = false;
_freq = 0;
_rate = 0;
dict_t dict = params_to_dict(args);
if (dict.count("file"))
filename = dict["file"];
if (dict.count("freq"))
_freq = boost::lexical_cast< double >( dict["freq"] );
if (dict.count("rate"))
_rate = boost::lexical_cast< double >( dict["rate"] );
if (dict.count("repeat"))
repeat = "true" == dict["repeat"] ? true : false;
if (dict.count("throttle"))
throttle = "true" == dict["throttle"] ? true : false;
if (!filename.length())
throw std::runtime_error("No file name specified.");
if (_freq < 0)
throw std::runtime_error("Parameter 'freq' may not be negative.");
if (0 == _rate)
throw std::runtime_error("Parameter 'rate' is missing in arguments.");
gr_file_source_sptr src = gr_make_file_source( sizeof(gr_complex),
filename.c_str(),
repeat );
if (throttle) {
gr_throttle::sptr throttle = gr_make_throttle( sizeof(gr_complex), _rate );
connect( src, 0, throttle, 0 );
connect( throttle, 0, self(), 0 );
} else {
connect( src, 0, self(), 0 );
}
}
file_source_c::~file_source_c()
{
}
gr_basic_block_sptr file_source_c::self()
{
return gr_hier_block2::self();
}
std::string file_source_c::name()
{
return "File Source";
}
size_t file_source_c::get_num_channels( void )
{
return 1;
}
osmosdr::meta_range_t file_source_c::get_sample_rates( void )
{
osmosdr::meta_range_t range;
range += osmosdr::range_t( get_sample_rate() );
return range;
}
double file_source_c::set_sample_rate( double rate )
{
return get_sample_rate();
}
double file_source_c::get_sample_rate( void )
{
return _rate;
}
osmosdr::freq_range_t file_source_c::get_freq_range( size_t chan )
{
osmosdr::freq_range_t range(_freq, _freq);
return range;
}
double file_source_c::set_center_freq( double freq, size_t chan )
{
return get_center_freq(chan);
}
double file_source_c::get_center_freq( size_t chan )
{
return _freq;
}
double file_source_c::set_freq_corr( double ppm, size_t chan )
{
return get_freq_corr( chan );
}
double file_source_c::get_freq_corr( size_t chan )
{
return 0;
}
std::vector<std::string> file_source_c::get_gain_names( size_t chan )
{
return std::vector< std::string >();
}
osmosdr::gain_range_t file_source_c::get_gain_range( size_t chan )
{
osmosdr::gain_range_t range(0, 0);
return range;
}
osmosdr::gain_range_t file_source_c::get_gain_range( const std::string & name, size_t chan )
{
return get_gain_range( chan );
}
double file_source_c::set_gain( double gain, size_t chan )
{
return get_gain(chan);
}
double file_source_c::set_gain( double gain, const std::string & name, size_t chan )
{
return set_gain(chan);
}
double file_source_c::get_gain( size_t chan )
{
return 0;
}
double file_source_c::get_gain( const std::string & name, size_t chan )
{
return get_gain(chan);
}
std::vector< std::string > file_source_c::get_antennas( size_t chan )
{
std::vector< std::string > antennas;
antennas += get_antenna(chan);
return antennas;
}
std::string file_source_c::set_antenna( const std::string & antenna, size_t chan )
{
return get_antenna(chan);
}
std::string file_source_c::get_antenna( size_t chan )
{
return "ANT";
}

@ -0,0 +1,77 @@
/* -*- c++ -*- */
/*
* Copyright 2012 Dimitri Stolnikov <horiz0n@gmx.net>
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef FILE_SOURCE_C_H
#define FILE_SOURCE_C_H
#include <gr_hier_block2.h>
#include "osmosdr_src_iface.h"
class file_source_c;
typedef boost::shared_ptr< file_source_c > file_source_c_sptr;
file_source_c_sptr make_file_source_c( const std::string & args = "" );
class file_source_c :
public gr_hier_block2,
public osmosdr_src_iface
{
private:
friend file_source_c_sptr make_file_source_c(const std::string &args);
file_source_c(const std::string &args);
public:
~file_source_c();
gr_basic_block_sptr self();
std::string name();
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::vector<std::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 );
double set_gain( double gain, const std::string & name, size_t chan = 0 );
double get_gain( 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:
double _freq, _rate;
};
#endif // FILE_SOURCE_C_H

@ -38,6 +38,10 @@
#include <fcd_source.h>
#endif
#ifdef ENABLE_FILE
#include <file_source_c.h>
#endif
#ifdef ENABLE_RTL
#include <rtl_source_c.h>
#endif
@ -95,6 +99,14 @@ osmosdr_source_c_impl::osmosdr_source_c_impl (const std::string &args)
}
#endif
#ifdef ENABLE_FILE
if ( dict.count("file") ) {
file_source_c_sptr src = make_file_source_c( arg );
connect(src, 0, self(), channel++);
_srcs.push_back( (osmosdr_src_iface *)src.get() );
}
#endif
#ifdef ENABLE_RTL
if ( dict.count("rtl") ) {
rtl_source_c_sptr src = make_rtl_source_c( arg );

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