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Add try-catch block to hybrid observables

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This commit is contained in:
Antonio Ramos
2018-02-14 11:56:22 +01:00
parent 8885333aa7
commit 28cc4a1a05
4 changed files with 66 additions and 59 deletions
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19
src/algorithms/observables/adapters/hybrid_observables.cc
View File

@@ -39,12 +39,8 @@
using google::LogMessage;
HybridObservables::HybridObservables(ConfigurationInterface* configuration,
std::string role,
unsigned int in_streams,
unsigned int out_streams) :
role_(role),
in_streams_(in_streams),
out_streams_(out_streams)
std::string role, unsigned int in_streams, unsigned int out_streams) :
role_(role), in_streams_(in_streams), out_streams_(out_streams)
{
std::string default_dump_filename = "./observables.dat";
DLOG(INFO) << "role " << role;
@@ -61,18 +57,14 @@ HybridObservables::HybridObservables(ConfigurationInterface* configuration,
}
unsigned int history_deep = configuration->property(role + ".history_depth", default_depth);
observables_ = hybrid_make_observables_cc(in_streams_, out_streams_, dump_, dump_filename_, history_deep);
DLOG(INFO) << "pseudorange(" << observables_->unique_id() << ")";
DLOG(INFO) << "Observables block ID (" << observables_->unique_id() << ")";
}
HybridObservables::~HybridObservables()
{}
void HybridObservables::connect(gr::top_block_sptr top_block)
{
if(top_block) { /* top_block is not null */};
@@ -81,7 +73,6 @@ void HybridObservables::connect(gr::top_block_sptr top_block)
}
void HybridObservables::disconnect(gr::top_block_sptr top_block)
{
if(top_block) { /* top_block is not null */};
@@ -89,16 +80,12 @@ void HybridObservables::disconnect(gr::top_block_sptr top_block)
}
gr::basic_block_sptr HybridObservables::get_left_block()
{
return observables_;
}
gr::basic_block_sptr HybridObservables::get_right_block()
{
return observables_;

80
src/algorithms/observables/gnuradio_blocks/hybrid_observables_cc.cc
View File

@@ -326,7 +326,7 @@ bool Hybrid_valueCompare_gnss_synchro_d_TOW(const Gnss_Synchro& a, double b)
}
void hybrid_observables_cc::forecast (int noutput_items __attribute__((unused)), gr_vector_int &ninput_items_required)
void hybrid_observables_cc::forecast(int noutput_items __attribute__((unused)), gr_vector_int &ninput_items_required)
{
for(unsigned int i = 0; i < d_nchannels; i++)
{
@@ -338,13 +338,11 @@ void hybrid_observables_cc::forecast (int noutput_items __attribute__((unused)),
}
int hybrid_observables_cc::general_work (int noutput_items ,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
int hybrid_observables_cc::general_work(int noutput_items, gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
{
const Gnss_Synchro **in = reinterpret_cast<const Gnss_Synchro **>(&input_items[0]); // Get the input buffer pointer
Gnss_Synchro **out = reinterpret_cast<Gnss_Synchro **>(&output_items[0]); // Get the output buffer pointer
const Gnss_Synchro** in = reinterpret_cast<const Gnss_Synchro**>(&input_items[0]); // Get the input buffer pointer
Gnss_Synchro** out = reinterpret_cast<Gnss_Synchro**>(&output_items[0]); // Get the output buffer pointer
int n_outputs = 0;
int n_consume[d_nchannels];
double past_history_s = 100e-3;
@@ -363,19 +361,24 @@ int hybrid_observables_cc::general_work (int noutput_items ,
for (unsigned int i = 0; i < d_nchannels; i++)
{
n_consume[i] = ninput_items[i]; // full throttle
for (int j = 0; j < n_consume[i]; j++)
for(int j = 0; j < n_consume[i]; j++)
{
d_gnss_synchro_history_queue[i].push_back(in[i][j]);
}
}
bool channel_history_ok;
do
{
try
{
channel_history_ok = true;
for (unsigned int i = 0; i < d_nchannels; i++)
for(unsigned int i = 0; i < d_nchannels; i++)
{
if (d_gnss_synchro_history_queue[i].size() < history_deep && !d_gnss_synchro_history_queue[i].empty())
if (d_gnss_synchro_history_queue.at(i).size() < history_deep && !d_gnss_synchro_history_queue.at(i).empty())
{
channel_history_ok = false;
}
@@ -392,15 +395,15 @@ int hybrid_observables_cc::general_work (int noutput_items ,
std::map<int,Gnss_Synchro> gnss_synchro_map;
for (unsigned int i = 0; i < d_nchannels; i++)
{
if (!d_gnss_synchro_history_queue[i].empty())
if (!d_gnss_synchro_history_queue.at(i).empty())
{
gnss_synchro_map.insert(std::pair<int, Gnss_Synchro>(d_gnss_synchro_history_queue[i].front().Channel_ID,
d_gnss_synchro_history_queue[i].front()));
gnss_synchro_map.insert(std::pair<int, Gnss_Synchro>(d_gnss_synchro_history_queue.at(i).front().Channel_ID,
d_gnss_synchro_history_queue.at(i).front()));
}
}
if (gnss_synchro_map.empty()) break;
if(gnss_synchro_map.empty()) { break; } // Breaks the do-while loop
gnss_synchro_map_iter = min_element(gnss_synchro_map.cbegin(),
gnss_synchro_map_iter = std::min_element(gnss_synchro_map.cbegin(),
gnss_synchro_map.cend(),
Hybrid_pairCompare_gnss_synchro_sample_counter);
T_rx_s = static_cast<double>(gnss_synchro_map_iter->second.Tracking_sample_counter) / static_cast<double>(gnss_synchro_map_iter->second.fs);
@@ -414,13 +417,13 @@ int hybrid_observables_cc::general_work (int noutput_items ,
// shift channels history to match the reference TOW
for (unsigned int i = 0; i < d_nchannels; i++)
{
if (!d_gnss_synchro_history_queue[i].empty())
if (!d_gnss_synchro_history_queue.at(i).empty())
{
gnss_synchro_deque_iter = std::lower_bound(d_gnss_synchro_history_queue[i].cbegin(),
d_gnss_synchro_history_queue[i].cend(),
gnss_synchro_deque_iter = std::lower_bound(d_gnss_synchro_history_queue.at(i).cbegin(),
d_gnss_synchro_history_queue.at(i).cend(),
T_rx_s,
Hybrid_valueCompare_gnss_synchro_receiver_time);
if (gnss_synchro_deque_iter != d_gnss_synchro_history_queue[i].cend())
if (gnss_synchro_deque_iter != d_gnss_synchro_history_queue.at(i).cend())
{
if (gnss_synchro_deque_iter->Flag_valid_word == true)
{
@@ -432,24 +435,24 @@ int hybrid_observables_cc::general_work (int noutput_items ,
{
// record the word structure in a map for pseudorange computation
// save the previous observable
int distance = std::distance(d_gnss_synchro_history_queue[i].cbegin(), gnss_synchro_deque_iter);
int distance = std::distance(d_gnss_synchro_history_queue.at(i).cbegin(), gnss_synchro_deque_iter);
if (distance > 0)
{
if (d_gnss_synchro_history_queue[i].at(distance - 1).Flag_valid_word)
if (d_gnss_synchro_history_queue.at(i).at(distance - 1).Flag_valid_word)
{
double T_rx_channel_prev = static_cast<double>(d_gnss_synchro_history_queue[i].at(distance - 1).Tracking_sample_counter) / static_cast<double>(gnss_synchro_deque_iter->fs);
double T_rx_channel_prev = static_cast<double>(d_gnss_synchro_history_queue.at(i).at(distance - 1).Tracking_sample_counter) / static_cast<double>(gnss_synchro_deque_iter->fs);
double delta_T_rx_s_prev = T_rx_channel_prev - T_rx_s;
if (fabs(delta_T_rx_s_prev) < fabs(delta_T_rx_s))
{
realigned_gnss_synchro_map.insert(std::pair<int, Gnss_Synchro>(d_gnss_synchro_history_queue[i].at(distance - 1).Channel_ID,
d_gnss_synchro_history_queue[i].at(distance - 1)));
realigned_gnss_synchro_map.insert(std::pair<int, Gnss_Synchro>(d_gnss_synchro_history_queue.at(i).at(distance - 1).Channel_ID,
d_gnss_synchro_history_queue.at(i).at(distance - 1)));
adjacent_gnss_synchro_map.insert(std::pair<int, Gnss_Synchro>(gnss_synchro_deque_iter->Channel_ID, *gnss_synchro_deque_iter));
}
else
{
realigned_gnss_synchro_map.insert(std::pair<int, Gnss_Synchro>(gnss_synchro_deque_iter->Channel_ID, *gnss_synchro_deque_iter));
adjacent_gnss_synchro_map.insert(std::pair<int, Gnss_Synchro>(d_gnss_synchro_history_queue[i].at(distance - 1).Channel_ID,
d_gnss_synchro_history_queue[i].at(distance - 1)));
adjacent_gnss_synchro_map.insert(std::pair<int, Gnss_Synchro>(d_gnss_synchro_history_queue.at(i).at(distance - 1).Channel_ID,
d_gnss_synchro_history_queue.at(i).at(distance - 1)));
}
}
@@ -472,7 +475,7 @@ int hybrid_observables_cc::general_work (int noutput_items ,
* common RX time algorithm
*/
// what is the most recent symbol TOW in the current set? -> this will be the reference symbol
gnss_synchro_map_iter = max_element(realigned_gnss_synchro_map.cbegin(),
gnss_synchro_map_iter = std::max_element(realigned_gnss_synchro_map.cbegin(),
realigned_gnss_synchro_map.cend(),
Hybrid_pairCompare_gnss_synchro_d_TOW);
double ref_fs_hz = static_cast<double>(gnss_synchro_map_iter->second.fs);
@@ -575,20 +578,33 @@ int hybrid_observables_cc::general_work (int noutput_items ,
}
// Move RX time
T_rx_s = T_rx_s + T_rx_step_s;
T_rx_s += T_rx_step_s;
// pop old elements from queue
for (unsigned int i = 0; i < d_nchannels; i++)
{
if (!d_gnss_synchro_history_queue[i].empty())
if (!d_gnss_synchro_history_queue.at(i).empty())
{
while (static_cast<double>(d_gnss_synchro_history_queue[i].front().Tracking_sample_counter) / static_cast<double>(d_gnss_synchro_history_queue[i].front().fs) < (T_rx_s - past_history_s))
while (static_cast<double>(d_gnss_synchro_history_queue.at(i).front().Tracking_sample_counter) / static_cast<double>(d_gnss_synchro_history_queue.at(i).front().fs) < (T_rx_s - past_history_s))
{
d_gnss_synchro_history_queue[i].pop_front();
d_gnss_synchro_history_queue.at(i).pop_front();
}
}
}
}
} while(channel_history_ok == true && noutput_items > n_outputs);
}// End of try{...}
catch(std::out_of_range& e)
{
LOG(WARNING) << "Out of range exception thrown by Hybrid Observables block. Exception message: " << e.what();
std::cout << "Out of range exception thrown by Hybrid Observables block. Exception message: " << e.what() << std::endl;
}
catch(...)
{
LOG(WARNING) << "Undefined exception thrown by Hybrid Observables block.";
std::cout << "Undefined exception thrown by Hybrid Observables block." << std::endl;
}
}while(channel_history_ok == true && noutput_items > n_outputs);
// Multi-rate consume!
for (unsigned int i = 0; i < d_nchannels; i++)