mirrors/gnss-sdr
1
0
Fork 0
mirror of https://github.com/gnss-sdr/gnss-sdr synced 2025-10-31 15:23:04 +00:00
Code Issues Releases Wiki Activity

Get TOW in E6 channels

Browse Source
This commit is contained in:
Carles Fernandez
2022-06-04 11:49:44 +02:00
parent 92e3d043d2
commit ac0209f16f
6 changed files with 92 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

137
src/algorithms/telemetry_decoder/gnuradio_blocks/galileo_telemetry_decoder_gs.cc
View File

@@ -88,7 +88,7 @@ galileo_telemetry_decoder_gs::galileo_telemetry_decoder_gs(
d_stat(0),
d_TOW_at_Preamble_ms(0),
d_TOW_at_current_symbol_ms(0),
d_received_tow(std::numeric_limits<uint32_t>::max()),
d_received_tow_ms(std::numeric_limits<uint32_t>::max()),
d_band('1'),
d_sent_tlm_failed_msg(false),
d_flag_frame_sync(false),
@@ -104,7 +104,8 @@ galileo_telemetry_decoder_gs::galileo_telemetry_decoder_gs(
d_dump_crc_stats(conf.dump_crc_stats),
d_enable_reed_solomon_inav(false),
d_valid_timetag(false),
d_E6_TOW_set(false)
d_E6_TOW_set(false),
d_there_are_e6_channels(conf.there_are_e6_channels)
{
// prevent telemetry symbols accumulation in output buffers
this->set_max_noutput_items(1);
@@ -112,10 +113,27 @@ galileo_telemetry_decoder_gs::galileo_telemetry_decoder_gs(
this->message_port_register_out(pmt::mp("telemetry"));
// Control messages to tracking block
this->message_port_register_out(pmt::mp("telemetry_to_trk"));
// register Gal E6 messages HAS out
this->message_port_register_out(pmt::mp("E6_HAS_from_TLM"));
// register TOW from map out
this->message_port_register_out(pmt::mp("TOW_from_TLM"));
if (d_there_are_e6_channels)
{
// register Gal E6 messages HAS out
this->message_port_register_out(pmt::mp("E6_HAS_from_TLM"));
// register TOW from map out
this->message_port_register_out(pmt::mp("TOW_from_TLM"));
// register TOW to TLM input
this->message_port_register_in(pmt::mp("TOW_to_TLM"));
// handler for input port
this->set_msg_handler(pmt::mp("TOW_to_TLM"),
#if HAS_GENERIC_LAMBDA
[this](auto &&PH1) { msg_handler_read_galileo_tow_map(PH1); });
#else
#if USE_BOOST_BIND_PLACEHOLDERS
boost::bind(&galileo_telemetry_decoder_gs::msg_handler_read_galileo_tow_map, this, boost::placeholders::_1));
#else
boost::bind(&galileo_telemetry_decoder_gs::msg_handler_read_galileo_tow_map, this, _1));
#endif
#endif
}
if (d_enable_navdata_monitor)
{
@@ -123,20 +141,6 @@ galileo_telemetry_decoder_gs::galileo_telemetry_decoder_gs(
this->message_port_register_out(pmt::mp("Nav_msg_from_TLM"));
}
// register TOW to TLM input
this->message_port_register_in(pmt::mp("TOW_to_TLM"));
// handler for input port
this->set_msg_handler(pmt::mp("TOW_to_TLM"),
#if HAS_GENERIC_LAMBDA
[this](auto &&PH1) { msg_handler_read_galileo_tow_map(PH1); });
#else
#if USE_BOOST_BIND_PLACEHOLDERS
boost::bind(&galileo_telemetry_decoder_gs::msg_handler_read_galileo_tow_map, this, boost::placeholders::_1));
#else
boost::bind(&galileo_telemetry_decoder_gs::msg_handler_read_galileo_tow_map, this, _1));
#endif
#endif
d_satellite = Gnss_Satellite(satellite.get_system(), satellite.get_PRN());
// Viterbi decoder vars
@@ -319,7 +323,6 @@ void galileo_telemetry_decoder_gs::msg_handler_read_galileo_tow_map(const pmt::p
{
if (d_frame_type == 3)
{
// Check if the input has the right format
try
{
const size_t msg_type_hash_code = pmt::any_ref(msg).type().hash_code();
@@ -327,9 +330,9 @@ void galileo_telemetry_decoder_gs::msg_handler_read_galileo_tow_map(const pmt::p
{
const auto received_tow_map = wht::any_cast<std::shared_ptr<std::map<uint32_t, std::pair<uint32_t, uint64_t>>>>(pmt::any_ref(msg));
const std::pair<uint32_t, uint64_t> received_tow_sample = received_tow_map->at(d_satellite.get_PRN());
if (received_tow_sample.first < 604800)
if (received_tow_sample.first < 604800000)
{
d_received_tow = received_tow_sample.first;
d_received_tow_ms = received_tow_sample.first;
d_received_sample_counter = received_tow_sample.second;
}
}
@@ -615,6 +618,12 @@ void galileo_telemetry_decoder_gs::decode_CNAV_word(uint64_t time_stamp, float *
page_String.push_back('0');
}
}
if (d_enable_navdata_monitor)
{
d_nav_msg_packet.nav_message = page_String;
}
d_cnav_nav.read_HAS_page(page_String);
d_cnav_nav.set_time_stamp(time_stamp);
// 4. If we have a new HAS page, read it
@@ -969,9 +978,12 @@ int galileo_telemetry_decoder_gs::general_work(int noutput_items __attribute__((
d_TOW_at_Preamble_ms = static_cast<uint32_t>(d_inav_nav.get_TOW5() * 1000.0);
d_TOW_at_current_symbol_ms = d_TOW_at_Preamble_ms + static_cast<uint32_t>(GALILEO_INAV_PAGE_PART_MS + (d_required_symbols + 1) * d_PRN_code_period_ms);
d_inav_nav.set_TOW5_flag(false);
const std::pair<uint32_t, uint64_t> tow_and_sample{d_inav_nav.get_TOW5(), current_symbol.Tracking_sample_counter};
const auto tmp_obj = std::make_shared<std::pair<uint32_t, std::pair<uint32_t, uint64_t>>>(d_satellite.get_PRN(), tow_and_sample);
this->message_port_pub(pmt::mp("TOW_from_TLM"), pmt::make_any(tmp_obj));
if (d_there_are_e6_channels && !d_valid_timetag)
{
const std::pair<uint32_t, uint64_t> tow_and_sample{d_TOW_at_current_symbol_ms, current_symbol.Tracking_sample_counter};
const auto tmp_obj = std::make_shared<std::pair<uint32_t, std::pair<uint32_t, uint64_t>>>(d_satellite.get_PRN(), tow_and_sample);
this->message_port_pub(pmt::mp("TOW_from_TLM"), pmt::make_any(tmp_obj));
}
// timetag debug
if (d_valid_timetag == true)
{
@@ -992,9 +1004,12 @@ int galileo_telemetry_decoder_gs::general_work(int noutput_items __attribute__((
d_TOW_at_Preamble_ms = static_cast<uint32_t>(d_inav_nav.get_TOW6() * 1000.0);
d_TOW_at_current_symbol_ms = d_TOW_at_Preamble_ms + static_cast<uint32_t>(GALILEO_INAV_PAGE_PART_MS + (d_required_symbols + 1) * d_PRN_code_period_ms);
d_inav_nav.set_TOW6_flag(false);
const std::pair<uint32_t, uint64_t> tow_and_sample{d_inav_nav.get_TOW6(), current_symbol.Tracking_sample_counter};
const auto tmp_obj = std::make_shared<std::pair<uint32_t, std::pair<uint32_t, uint64_t>>>(d_satellite.get_PRN(), tow_and_sample);
this->message_port_pub(pmt::mp("TOW_from_TLM"), pmt::make_any(tmp_obj));
if (d_there_are_e6_channels && !d_valid_timetag)
{
const std::pair<uint32_t, uint64_t> tow_and_sample{d_TOW_at_current_symbol_ms, current_symbol.Tracking_sample_counter};
const auto tmp_obj = std::make_shared<std::pair<uint32_t, std::pair<uint32_t, uint64_t>>>(d_satellite.get_PRN(), tow_and_sample);
this->message_port_pub(pmt::mp("TOW_from_TLM"), pmt::make_any(tmp_obj));
}
// timetag debug
if (d_valid_timetag == true)
{
@@ -1014,9 +1029,12 @@ int galileo_telemetry_decoder_gs::general_work(int noutput_items __attribute__((
d_TOW_at_Preamble_ms = static_cast<uint32_t>(d_inav_nav.get_TOW0() * 1000.0);
d_TOW_at_current_symbol_ms = d_TOW_at_Preamble_ms + static_cast<uint32_t>(GALILEO_INAV_PAGE_PART_MS + (d_required_symbols + 1) * d_PRN_code_period_ms);
d_inav_nav.set_TOW0_flag(false);
const std::pair<uint32_t, uint64_t> tow_and_sample{d_inav_nav.get_TOW0(), current_symbol.Tracking_sample_counter};
const auto tmp_obj = std::make_shared<std::pair<uint32_t, std::pair<uint32_t, uint64_t>>>(d_satellite.get_PRN(), tow_and_sample);
this->message_port_pub(pmt::mp("TOW_from_TLM"), pmt::make_any(tmp_obj));
if (d_there_are_e6_channels && !d_valid_timetag)
{
const std::pair<uint32_t, uint64_t> tow_and_sample{d_TOW_at_current_symbol_ms, current_symbol.Tracking_sample_counter};
const auto tmp_obj = std::make_shared<std::pair<uint32_t, std::pair<uint32_t, uint64_t>>>(d_satellite.get_PRN(), tow_and_sample);
this->message_port_pub(pmt::mp("TOW_from_TLM"), pmt::make_any(tmp_obj));
}
// timetag debug
if (d_valid_timetag == true)
{
@@ -1056,41 +1074,49 @@ int galileo_telemetry_decoder_gs::general_work(int noutput_items __attribute__((
{
d_TOW_at_Preamble_ms = static_cast<uint32_t>(d_fnav_nav.get_TOW1() * 1000.0);
d_TOW_at_current_symbol_ms = d_TOW_at_Preamble_ms + static_cast<uint32_t>((d_required_symbols + 1) * GALILEO_FNAV_CODES_PER_SYMBOL * GALILEO_E5A_CODE_PERIOD_MS);
// d_TOW_at_current_symbol_ms = d_TOW_at_Preamble_ms + static_cast<uint32_t>((GALILEO_FNAV_CODES_PER_PAGE + GALILEO_FNAV_CODES_PER_PREAMBLE) * GALILEO_E5a_CODE_PERIOD_MS);
d_fnav_nav.set_TOW1_flag(false);
const std::pair<uint32_t, uint64_t> tow_and_sample{d_fnav_nav.get_TOW1(), current_symbol.Tracking_sample_counter};
const auto tmp_obj = std::make_shared<std::pair<uint32_t, std::pair<uint32_t, uint64_t>>>(d_satellite.get_PRN(), tow_and_sample);
this->message_port_pub(pmt::mp("TOW_from_TLM"), pmt::make_any(tmp_obj));
if (d_there_are_e6_channels && !d_valid_timetag)
{
const std::pair<uint32_t, uint64_t> tow_and_sample{d_TOW_at_current_symbol_ms, current_symbol.Tracking_sample_counter};
const auto tmp_obj = std::make_shared<std::pair<uint32_t, std::pair<uint32_t, uint64_t>>>(d_satellite.get_PRN(), tow_and_sample);
this->message_port_pub(pmt::mp("TOW_from_TLM"), pmt::make_any(tmp_obj));
}
}
else if (d_fnav_nav.is_TOW2_set() == true)
{
d_TOW_at_Preamble_ms = static_cast<uint32_t>(d_fnav_nav.get_TOW2() * 1000.0);
// d_TOW_at_current_symbol_ms = d_TOW_at_Preamble_ms + static_cast<uint32_t>((GALILEO_FNAV_CODES_PER_PAGE + GALILEO_FNAV_CODES_PER_PREAMBLE) * GALILEO_E5a_CODE_PERIOD_MS);
d_TOW_at_current_symbol_ms = d_TOW_at_Preamble_ms + static_cast<uint32_t>((d_required_symbols + 1) * GALILEO_FNAV_CODES_PER_SYMBOL * GALILEO_E5A_CODE_PERIOD_MS);
d_fnav_nav.set_TOW2_flag(false);
const std::pair<uint32_t, uint64_t> tow_and_sample{d_fnav_nav.get_TOW2(), current_symbol.Tracking_sample_counter};
const auto tmp_obj = std::make_shared<std::pair<uint32_t, std::pair<uint32_t, uint64_t>>>(d_satellite.get_PRN(), tow_and_sample);
this->message_port_pub(pmt::mp("TOW_from_TLM"), pmt::make_any(tmp_obj));
if (d_there_are_e6_channels && !d_valid_timetag)
{
const std::pair<uint32_t, uint64_t> tow_and_sample{d_TOW_at_current_symbol_ms, current_symbol.Tracking_sample_counter};
const auto tmp_obj = std::make_shared<std::pair<uint32_t, std::pair<uint32_t, uint64_t>>>(d_satellite.get_PRN(), tow_and_sample);
this->message_port_pub(pmt::mp("TOW_from_TLM"), pmt::make_any(tmp_obj));
}
}
else if (d_fnav_nav.is_TOW3_set() == true)
{
d_TOW_at_Preamble_ms = static_cast<uint32_t>(d_fnav_nav.get_TOW3() * 1000.0);
// d_TOW_at_current_symbol_ms = d_TOW_at_Preamble_ms + static_cast<uint32_t>((GALILEO_FNAV_CODES_PER_PAGE + GALILEO_FNAV_CODES_PER_PREAMBLE) * GALILEO_E5a_CODE_PERIOD_MS);
d_TOW_at_current_symbol_ms = d_TOW_at_Preamble_ms + static_cast<uint32_t>((d_required_symbols + 1) * GALILEO_FNAV_CODES_PER_SYMBOL * GALILEO_E5A_CODE_PERIOD_MS);
d_fnav_nav.set_TOW3_flag(false);
const std::pair<uint32_t, uint64_t> tow_and_sample{d_fnav_nav.get_TOW3(), current_symbol.Tracking_sample_counter};
const auto tmp_obj = std::make_shared<std::pair<uint32_t, std::pair<uint32_t, uint64_t>>>(d_satellite.get_PRN(), tow_and_sample);
this->message_port_pub(pmt::mp("TOW_from_TLM"), pmt::make_any(tmp_obj));
if (d_there_are_e6_channels && !d_valid_timetag)
{
const std::pair<uint32_t, uint64_t> tow_and_sample{d_TOW_at_current_symbol_ms, current_symbol.Tracking_sample_counter};
const auto tmp_obj = std::make_shared<std::pair<uint32_t, std::pair<uint32_t, uint64_t>>>(d_satellite.get_PRN(), tow_and_sample);
this->message_port_pub(pmt::mp("TOW_from_TLM"), pmt::make_any(tmp_obj));
}
}
else if (d_fnav_nav.is_TOW4_set() == true)
{
d_TOW_at_Preamble_ms = static_cast<uint32_t>(d_fnav_nav.get_TOW4() * 1000.0);
// d_TOW_at_current_symbol_ms = d_TOW_at_Preamble_ms + static_cast<uint32_t>((GALILEO_FNAV_CODES_PER_PAGE + GALILEO_FNAV_CODES_PER_PREAMBLE) * GALILEO_E5a_CODE_PERIOD_MS);
d_TOW_at_current_symbol_ms = d_TOW_at_Preamble_ms + static_cast<uint32_t>((d_required_symbols + 1) * GALILEO_FNAV_CODES_PER_SYMBOL * GALILEO_E5A_CODE_PERIOD_MS);
d_fnav_nav.set_TOW4_flag(false);
const std::pair<uint32_t, uint64_t> tow_and_sample{d_fnav_nav.get_TOW4(), current_symbol.Tracking_sample_counter};
const auto tmp_obj = std::make_shared<std::pair<uint32_t, std::pair<uint32_t, uint64_t>>>(d_satellite.get_PRN(), tow_and_sample);
this->message_port_pub(pmt::mp("TOW_from_TLM"), pmt::make_any(tmp_obj));
if (d_there_are_e6_channels && !d_valid_timetag)
{
const std::pair<uint32_t, uint64_t> tow_and_sample{d_TOW_at_current_symbol_ms, current_symbol.Tracking_sample_counter};
const auto tmp_obj = std::make_shared<std::pair<uint32_t, std::pair<uint32_t, uint64_t>>>(d_satellite.get_PRN(), tow_and_sample);
this->message_port_pub(pmt::mp("TOW_from_TLM"), pmt::make_any(tmp_obj));
}
}
else
{
@@ -1113,16 +1139,13 @@ int galileo_telemetry_decoder_gs::general_work(int noutput_items __attribute__((
{
if (!d_valid_timetag)
{
if (d_received_tow < 604800)
if (d_received_tow_ms < 604800000)
{
const int64_t diff = d_received_sample_counter - current_symbol.Tracking_sample_counter;
bool overflowed = (diff < 0) ^ (d_received_sample_counter < current_symbol.Tracking_sample_counter);
if (!overflowed && (std::abs(diff) / static_cast<int64_t>(current_symbol.fs) < 1.0))
{
d_TOW_at_Preamble_ms = d_received_tow * 1000;
d_TOW_at_current_symbol_ms = d_TOW_at_Preamble_ms + static_cast<uint32_t>((d_required_symbols + 1) * GALILEO_CNAV_SYMBOLS_PER_PAGE * GALILEO_CNAV_PAGE_MS);
d_E6_TOW_set = true;
}
const int64_t diff = current_symbol.Tracking_sample_counter - d_received_sample_counter;
const double time_since_reference_ms = (double(diff) * 1000.0) / static_cast<double>(current_symbol.fs);
d_TOW_at_current_symbol_ms = d_received_tow_ms + static_cast<uint32_t>(time_since_reference_ms);
d_TOW_at_Preamble_ms = (d_TOW_at_current_symbol_ms / 1000) * 1000;
d_E6_TOW_set = true;
}
}
if (d_E6_TOW_set && d_enable_navdata_monitor && !d_nav_msg_packet.nav_message.empty())

3
src/algorithms/telemetry_decoder/gnuradio_blocks/galileo_telemetry_decoder_gs.h
View File

@@ -133,7 +133,7 @@ private:
uint32_t d_TOW_at_Preamble_ms;
uint32_t d_TOW_at_current_symbol_ms;
uint32_t d_max_symbols_without_valid_frame;
uint32_t d_received_tow;
uint32_t d_received_tow_ms;
char d_band; // This variable will store which band we are dealing with (Galileo E1 or E5b)
@@ -152,6 +152,7 @@ private:
bool d_enable_reed_solomon_inav;
bool d_valid_timetag;
bool d_E6_TOW_set;
bool d_there_are_e6_channels;
};

4
src/algorithms/telemetry_decoder/libs/tlm_conf.cc
View File

@@ -30,4 +30,8 @@ void Tlm_Conf::SetFromConfiguration(const ConfigurationInterface *configuration,
const std::string default_crc_stats_dumpname("telemetry_crc_stats");
dump_crc_stats_filename = configuration->property(role + ".dump_crc_stats_filename", default_crc_stats_dumpname);
enable_navdata_monitor = configuration->property("NavDataMonitor.enable_monitor", false);
if (configuration->property("Channels_E6.count", 0) > 0)
{
there_are_e6_channels = true;
}
}

1
src/algorithms/telemetry_decoder/libs/tlm_conf.h
View File

@@ -42,6 +42,7 @@ public:
bool enable_reed_solomon{false}; // for INAV message in Galileo E1B
bool dump_crc_stats{false}; // telemetry CRC statistics
bool enable_navdata_monitor{false};
bool there_are_e6_channels{false};
};

14
src/core/libs/galileo_tow_map.cc
View File

@@ -58,7 +58,7 @@ galileo_tow_map::galileo_tow_map() : gr::block("galileo_tow_map", gr::io_signatu
#endif
#endif
for (uint32_t prn = 1; prn < 37; prn++)
for (uint32_t prn = 0; prn < 37; prn++)
{
d_galileo_tow[prn] = std::pair<uint32_t, uint64_t>(std::numeric_limits<uint32_t>::max(), std::numeric_limits<uint64_t>::max());
}
@@ -67,9 +67,7 @@ galileo_tow_map::galileo_tow_map() : gr::block("galileo_tow_map", gr::io_signatu
void galileo_tow_map::msg_handler_galileo_tow_map(const pmt::pmt_t& msg)
{
gr::thread::scoped_lock lock(d_setlock); // require mutex with msg_handler_galileo_e6_has function called by the scheduler
// Check if the input has the right format
gr::thread::scoped_lock lock(d_setlock);
try
{
const size_t msg_type_hash_code = pmt::any_ref(msg).type().hash_code();
@@ -80,9 +78,8 @@ void galileo_tow_map::msg_handler_galileo_tow_map(const pmt::pmt_t& msg)
const uint32_t received_tow = received_tow_map->second.first;
const uint64_t received_sample_counter = received_tow_map->second.second;
//uint64_t sample_counter = std::numeric_limits<uint32_t>::max();
d_galileo_tow.erase(received_prn);
if (received_tow < 604800)
if (received_tow < 604800000) // received TOW is in ms
{
d_galileo_tow[received_prn] = std::pair<uint32_t, uint64_t>(received_tow, received_sample_counter);
}
@@ -90,13 +87,12 @@ void galileo_tow_map::msg_handler_galileo_tow_map(const pmt::pmt_t& msg)
{
d_galileo_tow[received_prn] = std::pair<uint32_t, uint64_t>(std::numeric_limits<uint32_t>::max(), std::numeric_limits<uint64_t>::max());
}
const std::shared_ptr<std::map<uint32_t, std::pair<uint32_t, uint64_t>>> tmp_obj = std::make_shared<std::map<uint32_t, std::pair<uint32_t, uint64_t>>>(d_galileo_tow);
this->message_port_pub(pmt::mp("TOW_to_TLM"), pmt::make_any(tmp_obj));
}
}
catch (const wht::bad_any_cast& e)
{
LOG(WARNING) << "galileo_tow_map Bad any_cast: " << e.what();
}
const std::shared_ptr<std::map<uint32_t, std::pair<uint32_t, uint64_t>>> tmp_obj = std::make_shared<std::map<uint32_t, std::pair<uint32_t, uint64_t>>>(d_galileo_tow);
this->message_port_pub(pmt::mp("TOW_to_TLM"), pmt::make_any(tmp_obj));
}

2
src/core/libs/galileo_tow_map.h
View File

@@ -39,8 +39,6 @@ class galileo_tow_map : public gr::block
{
public:
~galileo_tow_map() = default; //!< Default destructor
// void set_enable_navdata_monitor(bool enable);
// std::shared_ptr<Galileo_HAS_data> process_test_page(const pmt::pmt_t& msg); //!< For testing purposes only
private:
friend galileo_tow_map_sptr galileo_tow_map_make();