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mirror of https://github.com/gnss-sdr/gnss-sdr synced 2024-12-14 12:10:34 +00:00

Add Glonass C Aid track adapter

This commit is contained in:
Gastd 2017-08-17 11:05:03 -03:00
parent 17e38a28fa
commit c8488eff56
3 changed files with 264 additions and 0 deletions

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@ -34,6 +34,7 @@ set(TRACKING_ADAPTER_SOURCES
galileo_e5a_dll_pll_tracking.cc
gps_l2_m_dll_pll_tracking.cc
glonass_l1_ca_dll_pll_tracking.cc
glonass_l1_ca_dll_pll_c_aid_tracking.cc
${OPT_TRACKING_ADAPTERS}
)

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@ -0,0 +1,191 @@
#include "glonass_l1_ca_dll_pll_c_aid_tracking.h"
#include <glog/logging.h>
#include "Glonass_L1_CA.h"
#include "configuration_interface.h"
using google::LogMessage;
GlonassL1CaDllPllCAidTracking::GlonassL1CaDllPllCAidTracking(
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";
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 / (GLONASS_L1_CA_CODE_RATE_HZ / GLONASS_L1_CA_CODE_LENGTH_CHIPS));
//################# MAKE TRACKING GNURadio object ###################
if (item_type_.compare("gr_complex") == 0)
{
item_size_ = sizeof(gr_complex);
tracking_cc = glonass_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)
{
item_size_ = sizeof(lv_16sc_t);
tracking_sc = glonass_l1_ca_dll_pll_c_aid_make_tracking_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_sc->unique_id() << ")";
}
else
{
item_size_ = sizeof(gr_complex);
LOG(WARNING) << item_type_ << " unknown tracking item type.";
}
channel_ = 0;
}
GlonassL1CaDllPllCAidTracking::~GlonassL1CaDllPllCAidTracking()
{}
void GlonassL1CaDllPllCAidTracking::start_tracking()
{
if (item_type_.compare("gr_complex") == 0)
{
tracking_cc->start_tracking();
}
else if (item_type_.compare("cshort") == 0)
{
tracking_sc->start_tracking();
}
else
{
LOG(WARNING) << item_type_ << " unknown tracking item type";
}
}
/*
* Set tracking channel unique ID
*/
void GlonassL1CaDllPllCAidTracking::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)
{
tracking_sc->set_channel(channel);
}
else
{
LOG(WARNING) << item_type_ << " unknown tracking item type";
}
}
void GlonassL1CaDllPllCAidTracking::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)
{
tracking_sc->set_gnss_synchro(p_gnss_synchro);
}
else
{
LOG(WARNING) << item_type_ << " unknown tracking item type";
}
}
void GlonassL1CaDllPllCAidTracking::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 GlonassL1CaDllPllCAidTracking::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 GlonassL1CaDllPllCAidTracking::get_left_block()
{
if (item_type_.compare("gr_complex") == 0)
{
return tracking_cc;
}
else if (item_type_.compare("cshort") == 0)
{
return tracking_sc;
}
else
{
LOG(WARNING) << item_type_ << " unknown tracking item type";
return nullptr;
}
}
gr::basic_block_sptr GlonassL1CaDllPllCAidTracking::get_right_block()
{
if (item_type_.compare("gr_complex") == 0)
{
return tracking_cc;
}
else if (item_type_.compare("cshort") == 0)
{
return tracking_sc;
}
else
{
LOG(WARNING) << item_type_ << " unknown tracking item type";
return nullptr;
}
}

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@ -0,0 +1,72 @@
#ifndef GNSS_SDR_GLONASS_L1_CA_DLL_PLL_C_AID_TRACKING_H_
#define GNSS_SDR_GLONASS_L1_CA_DLL_PLL_C_AID_TRACKING_H_
#include <string>
#include "tracking_interface.h"
#include "glonass_l1_ca_dll_pll_c_aid_tracking_cc.h"
#include "glonass_l1_ca_dll_pll_c_aid_tracking_sc.h"
class ConfigurationInterface;
/*!
* \brief This class implements a code DLL + carrier PLL tracking loop
*/
class GlonassL1CaDllPllCAidTracking : public TrackingInterface
{
public:
GlonassL1CaDllPllCAidTracking(ConfigurationInterface* configuration,
std::string role,
unsigned int in_streams,
unsigned int out_streams);
virtual ~GlonassL1CaDllPllCAidTracking();
std::string role()
{
return role_;
}
//! Returns "GLONASS_L1_CA_DLL_PLL_C_Aid_Tracking"
std::string implementation()
{
return "GLONASS_L1_CA_DLL_PLL_C_Aid_Tracking";
}
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:
glonass_l1_ca_dll_pll_c_aid_tracking_cc_sptr tracking_cc;
glonass_l1_ca_dll_pll_c_aid_tracking_sc_sptr tracking_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_GLONASS_L1_CA_DLL_PLL_C_AID_TRACKING_H_