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Added support for the Realtek RTL2832U OsmoSDR signal source. The Rtlsdr_Signal_Source adapter compilation is optional. See GNSS-SDR README for more information.

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git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@220 64b25241-fba3-4117-9849-534c7e92360d
This commit is contained in:
Javier Arribas
2012-08-01 13:11:02 +00:00
parent 690d7c66e7
commit bc87ea4472
11 changed files with 820 additions and 147 deletions
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5
src/algorithms/signal_source/adapters/jamfile.jam
View File

@@ -2,6 +2,7 @@ project : build-dir ../../../../build ;
#ECHO Global: [ VARNAMES ] ;
local GN3S_DRIVER = [ modules.peek : GN3S_DRIVER ] ;
local RTLSDR_DRIVER = [ modules.peek : RTLSDR_DRIVER ] ;
obj file_signal_source : file_signal_source.cc ;
obj uhd_signal_source : uhd_signal_source.cc ;
@@ -11,3 +12,7 @@ if ($(GN3S_DRIVER))
obj gn3s_signal_source : gn3s_signal_source.cc ;
}
if ($(RTLSDR_DRIVER))
{
obj rtlsdr_signal_source : rtlsdr_signal_source.cc ;
}

197
src/algorithms/signal_source/adapters/rtlsdr_signal_source.cc Normal file
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@@ -0,0 +1,197 @@
/*!
* \file rtlsdr_signal_source.cc
* \brief Signal source for the Realtek RTL2832U USB dongle DVB-T receiver
* (see http://sdr.osmocom.org/trac/wiki/rtl-sdr for more information)
* \author Javier Arribas, 2012. jarribas(at)cttc.es
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2012 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is part of GNSS-SDR.
*
* GNSS-SDR 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 of the License, or
* at your option) any later version.
*
* GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#include "rtlsdr_signal_source.h"
#include <osmosdr_api.h>
#include <osmosdr_source_c.h>
#include <gnuradio/gr_file_sink.h>
#include "configuration_interface.h"
#include "gnss_sdr_valve.h"
#include <glog/log_severity.h>
#include <glog/logging.h>
#include <iostream>
#include "GPS_L1_CA.h"
#include <boost/format.hpp>
using google::LogMessage;
RtlsdrSignalSource::RtlsdrSignalSource(ConfigurationInterface* configuration,
std::string role, unsigned int in_stream, unsigned int out_stream,
gr_msg_queue_sptr queue) :
role_(role), in_stream_(in_stream), out_stream_(out_stream),
queue_(queue)
{
// DUMP PARAMETERS
std::string empty = "";
std::string default_dump_file = "./data/signal_source.dat";
std::string default_item_type = "gr_complex";
samples_ = configuration->property(role + ".samples", 0);
dump_ = configuration->property(role + ".dump", false);
dump_filename_ = configuration->property(role + ".dump_filename",
default_dump_file);
// RTLSDR Driver parameters
AGC_enabled_=configuration->property(role + ".AGC_enabled",true);
freq_ = configuration->property(role + ".freq", GPS_L1_FREQ_HZ);
gain_ = configuration->property(role + ".gain", (double)50.0);
sample_rate_ = configuration->property(role + ".sampling_frequency", (double)2.0e6);
item_type_ = configuration->property(role + ".item_type",
default_item_type);
if (item_type_.compare("short") == 0)
{
item_size_ = sizeof(short);
}
else if (item_type_.compare("gr_complex") == 0)
{
item_size_ = sizeof(gr_complex);
// 1. Make the driver instance
rtlsdr_source_ = osmosdr_make_source_c();
// 2 set sampling rate
rtlsdr_source_->set_sample_rate(sample_rate_);
std::cout << boost::format("Actual RX Rate: %f [SPS]...") % (rtlsdr_source_->get_sample_rate()) << std::endl ;
DLOG(INFO) << boost::format("Actual RX Rate: %f [SPS]...") % (rtlsdr_source_->get_sample_rate()) << std::endl;
// 3. set rx frequency
rtlsdr_source_->set_center_freq(freq_);
std::cout << boost::format("Actual RX Freq: %f [Hz]...") % (rtlsdr_source_->get_center_freq()) << std::endl ;
DLOG(INFO) << boost::format("Actual RX Freq: %f [Hz]...") % (rtlsdr_source_->get_center_freq()) << std::endl ;
// TODO: Asign the remanent IF from the PLL tune error
std::cout << boost::format("PLL Frequency tune error %f [Hz]...") % (rtlsdr_source_->get_center_freq()-freq_) ;
DLOG(INFO) << boost::format("PLL Frequency tune error %f [Hz]...") % (rtlsdr_source_->get_center_freq()-freq_) ;
// 4. set rx gain
if (this->AGC_enabled_==true)
{
rtlsdr_source_->set_gain_mode(true);
std::cout << "AGC enabled"<< std::endl;
DLOG(INFO)<< "AGC enabled"<< std::endl;
}else{
rtlsdr_source_->set_gain_mode(false);
rtlsdr_source_->set_gain(gain_);
std::cout << boost::format("Actual RX Gain: %f dB...") % rtlsdr_source_->get_gain() << std::endl;
DLOG(INFO) << boost::format("Actual RX Gain: %f dB...") % rtlsdr_source_->get_gain() << std::endl;
}
}
else
{
LOG_AT_LEVEL(WARNING) << item_type_
<< " unrecognized item type. Using short.";
item_size_ = sizeof(short);
}
if (samples_ != 0)
{
DLOG(INFO) << "Send STOP signal after " << samples_ << " samples";
valve_ = gnss_sdr_make_valve(item_size_, samples_, queue_);
DLOG(INFO) << "valve(" << valve_->unique_id() << ")";
}
if (dump_)
{
DLOG(INFO) << "Dumping output into file " << dump_filename_;
file_sink_ = gr_make_file_sink(item_size_, dump_filename_.c_str());
DLOG(INFO) << "file_sink(" << file_sink_->unique_id() << ")";
}
}
RtlsdrSignalSource::~RtlsdrSignalSource()
{
}
void RtlsdrSignalSource::connect(gr_top_block_sptr top_block)
{
if (samples_ != 0)
{
top_block->connect(rtlsdr_source_, 0, valve_, 0);
DLOG(INFO) << "connected rtlsdr source to valve";
if (dump_)
{
top_block->connect(valve_, 0, file_sink_, 0);
DLOG(INFO) << "connected valve to file sink";
}
}
else
{
if (dump_)
{
top_block->connect(rtlsdr_source_, 0, file_sink_, 0);
DLOG(INFO) << "connected rtlsdr source to file sink";
}
}
}
void RtlsdrSignalSource::disconnect(gr_top_block_sptr top_block)
{
if (samples_ != 0)
{
top_block->disconnect(rtlsdr_source_, 0, valve_, 0);
if (dump_)
{
top_block->disconnect(valve_, 0, file_sink_, 0);
}
}
else
{
if (dump_)
{
top_block->disconnect(rtlsdr_source_, 0, file_sink_, 0);
}
}
}
gr_basic_block_sptr RtlsdrSignalSource::get_left_block()
{
LOG_AT_LEVEL(WARNING) << "Trying to get signal source left block.";
return gr_basic_block_sptr();
}
gr_basic_block_sptr RtlsdrSignalSource::get_right_block()
{
if (samples_ != 0)
{
return valve_;
}
else
{
return rtlsdr_source_;
}
}

101
src/algorithms/signal_source/adapters/rtlsdr_signal_source.h Normal file
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@@ -0,0 +1,101 @@
/*!
* \file rtlsdr_signal_source.h
* \brief Signal source for the Realtek RTL2832U USB dongle DVB-T receiver
* (see http://sdr.osmocom.org/trac/wiki/rtl-sdr for more information)
* \author Javier Arribas, 2012. jarribas(at)cttc.es
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2012 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is part of GNSS-SDR.
*
* GNSS-SDR 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 of the License, or
* at your option) any later version.
*
* GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#ifndef GNSS_SDR_RTLSDR_SIGNAL_SOURCE_H_
#define GNSS_SDR_RTLSDR_SIGNAL_SOURCE_H_
#include <boost/shared_ptr.hpp>
#include <osmosdr/osmosdr_source_c.h>
#include <gnuradio/gr_hier_block2.h>
#include <gnuradio/gr_msg_queue.h>
#include "gnss_block_interface.h"
class ConfigurationInterface;
/*!
* \brief This class reads samples from Realtek RTL2832U USB dongle DVB-T receiver (see http://sdr.osmocom.org/trac/wiki/rtl-sdr)
*/
class RtlsdrSignalSource: public GNSSBlockInterface
{
public:
RtlsdrSignalSource(ConfigurationInterface* configuration,
std::string role, unsigned int in_stream,
unsigned int out_stream, gr_msg_queue_sptr queue);
virtual ~RtlsdrSignalSource();
std::string role()
{
return role_;
}
std::string implementation()
{
return "Rtlsdr_Signal_Source";
}
size_t item_size()
{
return item_size_;
}
void connect(gr_top_block_sptr top_block);
void disconnect(gr_top_block_sptr top_block);
gr_basic_block_sptr get_left_block();
gr_basic_block_sptr get_right_block();
private:
std::string role_;
// UHD SETTINGS
bool AGC_enabled_;
double sample_rate_;
unsigned int in_stream_;
unsigned int out_stream_;
double freq_;
double gain_;
std::string item_type_;
size_t item_size_;
long samples_;
bool dump_;
std::string dump_filename_;
boost::shared_ptr<osmosdr_source_c> rtlsdr_source_;
gr_block_sptr valve_;
gr_block_sptr file_sink_;
gr_msg_queue_sptr queue_;
};
#endif /*GNSS_SDR_RTLSDR_SIGNAL_SOURCE_H_*/

12
src/core/receiver/gnss_block_factory.cc
View File

@@ -64,6 +64,10 @@
#include "gn3s_signal_source.h"
#endif
#if RTLSDR_DRIVER
#include "rtlsdr_signal_source.h"
#endif
using google::LogMessage;
@@ -290,6 +294,14 @@ GNSSBlockInterface* GNSSBlockFactory::GetBlock(
}
#endif
#if RTLSDR_DRIVER
else if (implementation.compare("Rtlsdr_Signal_Source") == 0)
{
block = new RtlsdrSignalSource(configuration, role, in_streams,
out_streams, queue);
}
#endif
// DATA TYPE ADAPTER -----------------------------------------------------------
// INPUT FILTER ----------------------------------------------------------------

13
src/core/receiver/jamfile.jam
View File

@@ -6,13 +6,18 @@ obj file_configuration : file_configuration.cc ;
obj in_memory_configuration : in_memory_configuration.cc ;
local GN3S_DRIVER = [ modules.peek : GN3S_DRIVER ] ;
local RTLSDR_DRIVER = [ modules.peek : RTLSDR_DRIVER ] ;
if $(GN3S_DRIVER)
if ($(GN3S_DRIVER))
{
obj gnss_block_factory : gnss_block_factory.cc : <define>GN3S_DRIVER ;
GN3S_DRIVER_DEFINE = "GN3S_DRIVER" ;
}
else
if ($(RTLSDR_DRIVER))
{
obj gnss_block_factory : gnss_block_factory.cc ;
RTLSDR_DRIVER_DEFINE = "RTLSDR_DRIVER" ;
}
obj gnss_block_factory : gnss_block_factory.cc : <define>$(GN3S_DRIVER_DEFINE) <define>$(RTLSDR_DRIVER_DEFINE) ;
obj gnss_flowgraph : gnss_flowgraph.cc ;

89
src/main/jamfile.jam
View File

@@ -1,9 +1,22 @@
project : build-dir ../../build ;
local GN3S_DRIVER = [ modules.peek : GN3S_DRIVER ] ;
local RTLSDR_DRIVER = [ modules.peek : RTLSDR_DRIVER ] ;
if $(GN3S_DRIVER)
if ($(GN3S_DRIVER))
{
GN3S_DRIVER_INCLUDE1 = "../algorithms/signal_source/adapters//gn3s_signal_source" ;
GN3S_DRIVER_INCLUDE2 = "../..//gr-gn3s" ;
}
if ($(RTLSDR_DRIVER))
{
RTLSDR_DRIVER_INCLUDE1 = "../algorithms/signal_source/adapters//rtlsdr_signal_source" ;
RTLSDR_DRIVER_INCLUDE2 = "../..//gnuradio-osmosdr" ;
}
#echo $(GN3S_DRIVER_INCLUDE1)
#echo $(GN3S_DRIVER_INCLUDE2)
exe gnss-sdr : main.cc
../algorithms/acquisition/adapters//gps_l1_ca_pcps_acquisition
@@ -68,74 +81,10 @@ exe gnss-sdr : main.cc
../..//uhd
../..//gnuradio-uhd
# GN3S DRIVER
../algorithms/signal_source/adapters//gn3s_signal_source
../..//gr-gn3s ;
}
else
{
exe gnss-sdr : main.cc
../algorithms/acquisition/adapters//gps_l1_ca_pcps_acquisition
../algorithms/acquisition/adapters//galileo_e1_pcps_ambiguous_acquisition
../algorithms/acquisition/gnuradio_blocks//pcps_acquisition_cc
../algorithms/channel/adapters//channel
../algorithms/channel/libs//gps_l1_ca_channel_fsm
../algorithms/conditioner/adapters//signal_conditioner
../algorithms/input_filter/adapters//fir_filter
../algorithms/input_filter/adapters//freq_xlating_fir_filter
../algorithms/libs//gnss_signal_processing
../algorithms/libs//gps_sdr_signal_processing
../algorithms/libs//galileo_e1_signal_processing
../algorithms/libs//gnss_sdr_valve
../algorithms/libs//pass_through
../algorithms/observables/adapters//gps_l1_ca_observables
../algorithms/observables/gnuradio_blocks//gps_l1_ca_observables_cc
../algorithms/PVT/libs//rinex_printer
../algorithms/PVT/libs//kml_printer
../algorithms/PVT/libs//gps_l1_ca_ls_pvt
../algorithms/output_filter/adapters//file_output_filter
../algorithms/output_filter/adapters//null_sink_output_filter
../algorithms/resampler/adapters//direct_resampler_conditioner
../algorithms/resampler/gnuradio_blocks//direct_resampler_conditioner_cc
../algorithms/signal_source/adapters//file_signal_source
../algorithms/signal_source/adapters//uhd_signal_source
../algorithms/telemetry_decoder/adapters//gps_l1_ca_telemetry_decoder
../algorithms/telemetry_decoder/gnuradio_blocks//gps_l1_ca_telemetry_decoder_cc
../algorithms/telemetry_decoder/libs//gps_l1_ca_subframe_fsm
../algorithms/PVT/adapters//gps_l1_ca_pvt
../algorithms/PVT/gnuradio_blocks//gps_l1_ca_pvt_cc
../algorithms/tracking/adapters//gps_l1_ca_dll_pll_tracking
../algorithms/tracking/adapters//gps_l1_ca_dll_fll_pll_tracking
../algorithms/tracking/adapters//gps_l1_ca_tcp_connector_tracking
../algorithms/tracking/gnuradio_blocks//gps_l1_ca_dll_pll_tracking_cc
../algorithms/tracking/gnuradio_blocks//gps_l1_ca_dll_fll_pll_tracking_cc
../algorithms/tracking/gnuradio_blocks//gps_l1_ca_tcp_connector_tracking_cc
../algorithms/tracking/libs//tracking_discriminators
../algorithms/tracking/libs//CN_estimators
../algorithms/tracking/libs//tracking_FLL_PLL_filter
../algorithms/tracking/libs//tracking_2nd_PLL_filter
../algorithms/tracking/libs//tracking_2nd_DLL_filter
../algorithms/tracking/libs//correlator
../algorithms/tracking/libs//cordic
../algorithms/tracking/libs//tcp_communication
../core/libs//INIReader
../core/libs//ini
../core/libs//string_converter
../core/receiver//control_message_factory
../core/receiver//control_thread
../core/receiver//file_configuration
../core/receiver//in_memory_configuration
../core/receiver//gnss_block_factory
../core/receiver//gnss_flowgraph
../core/system_parameters//gps_navigation_message
../core/system_parameters//gnss_satellite
../core/system_parameters//gnss_signal
#../core/system_parameters//gnss_synchro
../..//gflags
../..//glog
../..//gnuradio-core
../..//uhd
../..//gnuradio-uhd ;
}
$(GN3S_DRIVER_INCLUDE1)
$(GN3S_DRIVER_INCLUDE2)
# RTLSDR DRIVER
$(RTLSDR_DRIVER_INCLUDE1)
$(RTLSDR_DRIVER_INCLUDE2) ;
install ../../install : gnss-sdr ;

87
src/tests/jamfile.jam
View File

@@ -1,9 +1,19 @@
project : build-dir ../../build ;
local GN3S_DRIVER = [ modules.peek : GN3S_DRIVER ] ;
local RTLSDR_DRIVER = [ modules.peek : RTLSDR_DRIVER ] ;
if $(GN3S_DRIVER)
if ($(GN3S_DRIVER))
{
GN3S_DRIVER_INCLUDE1 = "../algorithms/signal_source/adapters//gn3s_signal_source" ;
GN3S_DRIVER_INCLUDE2 = "../..//gr-gn3s" ;
}
if ($(RTLSDR_DRIVER))
{
RTLSDR_DRIVER_INCLUDE1 = "../algorithms/signal_source/adapters//rtlsdr_signal_source" ;
RTLSDR_DRIVER_INCLUDE2 = "../..//gnuradio-osmosdr" ;
}
exe run_tests : test_main.cc
../algorithms/acquisition/adapters//gps_l1_ca_pcps_acquisition
@@ -68,76 +78,11 @@ exe run_tests : test_main.cc
../..//uhd
../..//gnuradio-uhd
# GN3S DRIVER
../algorithms/signal_source/adapters//gn3s_signal_source
../..//gr-gn3s
$(GN3S_DRIVER_INCLUDE1)
$(GN3S_DRIVER_INCLUDE2)
# RTLSDR DRIVER
$(RTLSDR_DRIVER_INCLUDE1)
$(RTLSDR_DRIVER_INCLUDE2)
../..//gtest : <include>$(GTEST_DIR)/include ;
}
else
{
exe run_tests : test_main.cc
../algorithms/acquisition/adapters//gps_l1_ca_pcps_acquisition
../algorithms/acquisition/adapters//galileo_e1_pcps_ambiguous_acquisition
../algorithms/acquisition/gnuradio_blocks//pcps_acquisition_cc
../algorithms/channel/adapters//channel
../algorithms/channel/libs//gps_l1_ca_channel_fsm
../algorithms/conditioner/adapters//signal_conditioner
../algorithms/input_filter/adapters//fir_filter
../algorithms/input_filter/adapters//freq_xlating_fir_filter
../algorithms/libs//gnss_signal_processing
../algorithms/libs//gps_sdr_signal_processing
../algorithms/libs//galileo_e1_signal_processing
../algorithms/libs//gnss_sdr_valve
../algorithms/libs//pass_through
../algorithms/observables/adapters//gps_l1_ca_observables
../algorithms/observables/gnuradio_blocks//gps_l1_ca_observables_cc
../algorithms/PVT/libs//rinex_printer
../algorithms/PVT/libs//kml_printer
../algorithms/PVT/libs//gps_l1_ca_ls_pvt
../algorithms/output_filter/adapters//file_output_filter
../algorithms/output_filter/adapters//null_sink_output_filter
../algorithms/resampler/adapters//direct_resampler_conditioner
../algorithms/resampler/gnuradio_blocks//direct_resampler_conditioner_cc
../algorithms/signal_source/adapters//file_signal_source
../algorithms/signal_source/adapters//uhd_signal_source
../algorithms/telemetry_decoder/adapters//gps_l1_ca_telemetry_decoder
../algorithms/telemetry_decoder/gnuradio_blocks//gps_l1_ca_telemetry_decoder_cc
../algorithms/telemetry_decoder/libs//gps_l1_ca_subframe_fsm
../algorithms/PVT/adapters//gps_l1_ca_pvt
../algorithms/PVT/gnuradio_blocks//gps_l1_ca_pvt_cc
../algorithms/tracking/adapters//gps_l1_ca_dll_pll_tracking
../algorithms/tracking/adapters//gps_l1_ca_dll_fll_pll_tracking
../algorithms/tracking/adapters//gps_l1_ca_tcp_connector_tracking
../algorithms/tracking/gnuradio_blocks//gps_l1_ca_dll_pll_tracking_cc
../algorithms/tracking/gnuradio_blocks//gps_l1_ca_dll_fll_pll_tracking_cc
../algorithms/tracking/gnuradio_blocks//gps_l1_ca_tcp_connector_tracking_cc
../algorithms/tracking/libs//tracking_discriminators
../algorithms/tracking/libs//CN_estimators
../algorithms/tracking/libs//tracking_FLL_PLL_filter
../algorithms/tracking/libs//tracking_2nd_PLL_filter
../algorithms/tracking/libs//tracking_2nd_DLL_filter
../algorithms/tracking/libs//correlator
../algorithms/tracking/libs//cordic
../algorithms/tracking/libs//tcp_communication
../core/libs//INIReader
../core/libs//ini
../core/libs//string_converter
../core/receiver//control_message_factory
../core/receiver//control_thread
../core/receiver//file_configuration
../core/receiver//in_memory_configuration
../core/receiver//gnss_block_factory
../core/receiver//gnss_flowgraph
../core/system_parameters//gps_navigation_message
../core/system_parameters//gnss_satellite
../core/system_parameters//gnss_signal
#../core/system_parameters//gnss_synchro
../..//gflags
../..//glog
../..//gnuradio-core
../..//uhd
../..//gnuradio-uhd
../..//gtest : <include>$(GTEST_DIR)/include ;
}
install ../../install : run_tests ;

2
src/utils/matlab/gps_l1_ca_dll_pll_plot_sample.m
View File

@@ -30,7 +30,7 @@
close all;
clear all;
samplingFreq = 64e6/16; %[Hz]
channels=6;
channels=4;
path='/home/javier/workspace/gnss-sdr/trunk/install/';
clear PRN_absolute_sample_start;
for N=1:1:channels