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Started implementing the code that uses the FPGA HW accelerators and the unit tests. For now the code contains a cloned version of the tracking tests using short complex data types plus a few new class variable definitions

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This commit is contained in:
mmajoral
2017-02-13 17:20:49 +01:00
parent 8c2f1f992f
commit d22f4f5f2b
14 changed files with 2014 additions and 4 deletions
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4
src/algorithms/tracking/adapters/CMakeLists.txt
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@@ -21,6 +21,10 @@ if(ENABLE_CUDA)
set(OPT_TRACKING_INCLUDE_DIRS ${OPT_TRACKING_INCLUDE_DIRS} ${CUDA_INCLUDE_DIRS})
endif(ENABLE_CUDA)
if(ENABLE_FPGA)
SET(OPT_TRACKING_ADAPTERS ${OPT_TRACKING_ADAPTERS} gps_l1_ca_dll_pll_c_aid_tracking_fpga.cc)
endif(ENABLE_FPGA)
set(TRACKING_ADAPTER_SOURCES
galileo_e1_dll_pll_veml_tracking.cc
galileo_e1_tcp_connector_tracking.cc

243
src/algorithms/tracking/adapters/gps_l1_ca_dll_pll_c_aid_tracking_fpga.cc Normal file
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@@ -0,0 +1,243 @@
/*!
* \file gps_l1_ca_dll_pll_c_aid_tracking.cc
* \brief Implementation of an adapter of a DLL+PLL tracking loop block
* for GPS L1 C/A to a TrackingInterface
* \author Carlos Aviles, 2010. carlos.avilesr(at)googlemail.com
* Javier Arribas, 2011. jarribas(at)cttc.es
*
* Code DLL + carrier PLL according to the algorithms described in:
* K.Borre, D.M.Akos, N.Bertelsen, P.Rinder, and S.H.Jensen,
* A Software-Defined GPS and Galileo Receiver. A Single-Frequency
* Approach, Birkhauser, 2007
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2015 (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 "gps_l1_ca_dll_pll_c_aid_tracking_fpga.h"
#include <glog/logging.h>
#include "GPS_L1_CA.h"
#include "configuration_interface.h"
using google::LogMessage;
GpsL1CaDllPllCAidTrackingFpga::GpsL1CaDllPllCAidTrackingFpga(
ConfigurationInterface* configuration, std::string role,
unsigned int in_streams, unsigned int out_streams) :
role_(role), in_streams_(in_streams), out_streams_(out_streams)
{
DLOG(INFO) << "role " << role;
//################# CONFIGURATION PARAMETERS ########################
int fs_in;
int vector_length;
int f_if;
bool dump;
std::string dump_filename;
//std::string default_item_type = "gr_complex";
std::string default_item_type = "cshort";
float pll_bw_hz;
float pll_bw_narrow_hz;
float dll_bw_hz;
float dll_bw_narrow_hz;
float early_late_space_chips;
item_type_ = configuration->property(role + ".item_type", default_item_type);
//vector_length = configuration->property(role + ".vector_length", 2048);
fs_in = configuration->property("GNSS-SDR.internal_fs_hz", 2048000);
f_if = configuration->property(role + ".if", 0);
dump = configuration->property(role + ".dump", false);
pll_bw_hz = configuration->property(role + ".pll_bw_hz", 50.0);
dll_bw_hz = configuration->property(role + ".dll_bw_hz", 2.0);
pll_bw_narrow_hz = configuration->property(role + ".pll_bw_narrow_hz", 20.0);
dll_bw_narrow_hz = configuration->property(role + ".dll_bw_narrow_hz", 2.0);
int extend_correlation_ms;
extend_correlation_ms = configuration->property(role + ".extend_correlation_ms", 1);
early_late_space_chips = configuration->property(role + ".early_late_space_chips", 0.5);
std::string default_dump_filename = "./track_ch";
dump_filename = configuration->property(role + ".dump_filename",
default_dump_filename); //unused!
vector_length = std::round(fs_in / (GPS_L1_CA_CODE_RATE_HZ / GPS_L1_CA_CODE_LENGTH_CHIPS));
//################# MAKE TRACKING GNURadio object ###################
// if (item_type_.compare("gr_complex") == 0)
// {
// item_size_ = sizeof(gr_complex);
// tracking_cc = gps_l1_ca_dll_pll_c_aid_make_tracking_cc(
// f_if,
// fs_in,
// vector_length,
// dump,
// dump_filename,
// pll_bw_hz,
// dll_bw_hz,
// pll_bw_narrow_hz,
// dll_bw_narrow_hz,
// extend_correlation_ms,
// early_late_space_chips);
// DLOG(INFO) << "tracking(" << tracking_cc->unique_id() << ")";
// }
// else if(item_type_.compare("cshort") == 0)
if(item_type_.compare("cshort") == 0)
{
item_size_ = sizeof(lv_16sc_t);
tracking_fpga_sc = gps_l1_ca_dll_pll_c_aid_make_tracking_fpga_sc(
f_if,
fs_in,
vector_length,
dump,
dump_filename,
pll_bw_hz,
dll_bw_hz,
pll_bw_narrow_hz,
dll_bw_narrow_hz,
extend_correlation_ms,
early_late_space_chips);
DLOG(INFO) << "tracking(" << tracking_fpga_sc->unique_id() << ")";
}
else
{
//item_size_ = sizeof(gr_complex);
item_size_ = sizeof(lv_16sc_t);
// LOG(WARNING) << item_type_ << " unknown tracking item type";
LOG(WARNING) << item_type_ << " the tracking item type for the FPGA tracking test has to be cshort";
}
channel_ = 0;
}
GpsL1CaDllPllCAidTrackingFpga::~GpsL1CaDllPllCAidTrackingFpga()
{}
void GpsL1CaDllPllCAidTrackingFpga::start_tracking()
{
// if (item_type_.compare("gr_complex") == 0)
// {
// tracking_cc->start_tracking();
// }
// else if (item_type_.compare("cshort") == 0)
if (item_type_.compare("cshort") == 0)
{
tracking_fpga_sc->start_tracking();
}
else
{
// LOG(WARNING) << item_type_ << " unknown tracking item type";
LOG(WARNING) << item_type_ << " the tracking item type for the FPGA tracking test has to be cshort";
}
}
/*
* Set tracking channel unique ID
*/
void GpsL1CaDllPllCAidTrackingFpga::set_channel(unsigned int channel)
{
channel_ = channel;
// if (item_type_.compare("gr_complex") == 0)
// {
// tracking_cc->set_channel(channel);
// }
// else if (item_type_.compare("cshort") == 0)
if (item_type_.compare("cshort") == 0)
{
tracking_fpga_sc->set_channel(channel);
}
else
{
// LOG(WARNING) << item_type_ << " unknown tracking item type";
LOG(WARNING) << item_type_ << " the tracking item type for the FPGA tracking test has to be cshort";
}
}
void GpsL1CaDllPllCAidTrackingFpga::set_gnss_synchro(Gnss_Synchro* p_gnss_synchro)
{
// if (item_type_.compare("gr_complex") == 0)
// {
// tracking_cc->set_gnss_synchro(p_gnss_synchro);
// }
// else if (item_type_.compare("cshort") == 0)
if (item_type_.compare("cshort") == 0)
{
tracking_fpga_sc->set_gnss_synchro(p_gnss_synchro);
}
else
{
// LOG(WARNING) << item_type_ << " unknown tracking item type";
LOG(WARNING) << item_type_ << " the tracking item type for the FPGA tracking test has to be cshort";
}
}
void GpsL1CaDllPllCAidTrackingFpga::connect(gr::top_block_sptr top_block)
{
if(top_block) { /* top_block is not null */};
//nothing to connect, now the tracking uses gr_sync_decimator
}
void GpsL1CaDllPllCAidTrackingFpga::disconnect(gr::top_block_sptr top_block)
{
if(top_block) { /* top_block is not null */};
//nothing to disconnect, now the tracking uses gr_sync_decimator
}
gr::basic_block_sptr GpsL1CaDllPllCAidTrackingFpga::get_left_block()
{
// if (item_type_.compare("gr_complex") == 0)
// {
// return tracking_cc;
// }
// else if (item_type_.compare("cshort") == 0)
if (item_type_.compare("cshort") == 0)
{
return tracking_fpga_sc;
}
else
{
// LOG(WARNING) << item_type_ << " unknown tracking item type";
LOG(WARNING) << item_type_ << " the tracking item type for the FPGA tracking test has to be cshort";
return nullptr;
}
}
gr::basic_block_sptr GpsL1CaDllPllCAidTrackingFpga::get_right_block()
{
// if (item_type_.compare("gr_complex") == 0)
// {
// return tracking_cc;
// }
// else if (item_type_.compare("cshort") == 0)
if (item_type_.compare("cshort") == 0)
{
return tracking_fpga_sc;
}
else
{
//LOG(WARNING) << item_type_ << " unknown tracking item type";
LOG(WARNING) << item_type_ << " the tracking item type for the FPGA tracking test has to be cshort";
return nullptr;
}
}

111
src/algorithms/tracking/adapters/gps_l1_ca_dll_pll_c_aid_tracking_fpga.h Normal file
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@@ -0,0 +1,111 @@
/*!
* \file gps_l1_ca_dll_pll_c_aid_tracking.h
* \brief Interface of an adapter of a DLL+PLL tracking loop block
* for GPS L1 C/A to a TrackingInterface
* \author Carlos Aviles, 2010. carlos.avilesr(at)googlemail.com
* Javier Arribas, 2011. jarribas(at)cttc.es
*
* Code DLL + carrier PLL according to the algorithms described in:
* K.Borre, D.M.Akos, N.Bertelsen, P.Rinder, and S.H.Jensen,
* A Software-Defined GPS and Galileo Receiver. A Single-Frequency
* Approach, Birkha user, 2007
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2015 (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_GPS_L1_CA_DLL_PLL_C_AID_TRACKING_FPGA__H_
#define GNSS_SDR_GPS_L1_CA_DLL_PLL_C_AID_TRACKING_FPGA__H_
#include <string>
#include "tracking_interface.h"
//#include "gps_l1_ca_dll_pll_c_aid_tracking_cc.h"
//#include "gps_l1_ca_dll_pll_c_aid_tracking_sc.h"
#include "gps_l1_ca_dll_pll_c_aid_tracking_fpga_sc.h"
class ConfigurationInterface;
/*!
* \brief This class implements a code DLL + carrier PLL tracking loop
*/
class GpsL1CaDllPllCAidTrackingFpga : public TrackingInterface
{
public:
GpsL1CaDllPllCAidTrackingFpga(ConfigurationInterface* configuration,
std::string role,
unsigned int in_streams,
unsigned int out_streams);
virtual ~GpsL1CaDllPllCAidTrackingFpga();
std::string role()
{
return role_;
}
//! Returns "GPS_L1_CA_DLL_PLL_C_Aid_Tracking_Fpga"
std::string implementation()
{
return "GPS_L1_CA_DLL_PLL_C_Aid_Tracking_Fpga";
}
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();
/*!
* \brief Set tracking channel unique ID
*/
void set_channel(unsigned int channel);
/*!
* \brief Set acquisition/tracking common Gnss_Synchro object pointer
* to efficiently exchange synchronization data between acquisition and tracking blocks
*/
void set_gnss_synchro(Gnss_Synchro* p_gnss_synchro);
void start_tracking();
private:
//gps_l1_ca_dll_pll_c_aid_tracking_cc_sptr tracking_cc;
//gps_l1_ca_dll_pll_c_aid_tracking_sc_sptr tracking_sc;
gps_l1_ca_dll_pll_c_aid_tracking_fpga_sc_sptr tracking_fpga_sc;
size_t item_size_;
std::string item_type_;
unsigned int channel_;
std::string role_;
unsigned int in_streams_;
unsigned int out_streams_;
};
#endif // GNSS_SDR_GPS_L1_CA_DLL_PLL_C_AID_TRACKING_FPGA__H_