[hamradio-commits] [gnss-sdr] 190/303: Usign GPSTk to read observables
Carles Fernandez
carles_fernandez-guest at moszumanska.debian.org
Mon Feb 13 22:36:00 UTC 2017
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carles_fernandez-guest pushed a commit to branch master
in repository gnss-sdr.
commit cd1adc33c7ec6c8a108630c63bf49c2e76ff7d20
Author: Carles Fernandez <carles.fernandez at gmail.com>
Date: Fri Dec 23 08:49:49 2016 +0100
Usign GPSTk to read observables
---
src/tests/system-tests/trk_system_test.cc | 191 +++++++++++++++++++++++++-----
1 file changed, 162 insertions(+), 29 deletions(-)
diff --git a/src/tests/system-tests/trk_system_test.cc b/src/tests/system-tests/trk_system_test.cc
index f9f972e..0732731 100644
--- a/src/tests/system-tests/trk_system_test.cc
+++ b/src/tests/system-tests/trk_system_test.cc
@@ -1,3 +1,34 @@
+/*!
+ * \file trk_system_test.cc
+ * \brief This class implements a test for the validation of generated observables.
+ * \author Carles Fernandez-Prades, 2016. cfernandez(at)cttc.es
+ *
+ *
+ * -------------------------------------------------------------------------
+ *
+ * Copyright (C) 2010-2016 (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 <exception>
#include <iostream>
@@ -15,6 +46,12 @@
#include "concurrent_queue.h"
#include "in_memory_configuration.h"
+#include "Rinex3ObsBase.hpp"
+#include "Rinex3ObsData.hpp"
+#include "Rinex3ObsHeader.hpp"
+#include "Rinex3ObsStream.hpp"
+
+
DEFINE_string(generator_binary, std::string(SW_GENERATOR_BIN), "Path of Software Geenrator binary");
DEFINE_string(rinex_nav_file, std::string(DEFAULT_RINEX_NAV), "Input RINEX navigation file");
DEFINE_int32(duration, 100, "Duration of the experiment [in seconds]");
@@ -292,7 +329,7 @@ int Trk_System_Test::run_receiver()
fp = popen(&argum2[0], "r");
if (fp == NULL)
{
- printf("Failed to run command\n" );
+ std::cout << "Failed to run command: " << argum2 << std::endl;
}
char * without_trailing;
while (fgets(buffer, sizeof(buffer), fp) != NULL)
@@ -319,44 +356,140 @@ void Trk_System_Test::check_results()
std::string arg4 = std::string("C1C");
std::string arg5 = std::string("--headless");
- FILE *fp;
- FILE *fp2;
- int status;
- char buffer[1035];
+ try
+ {
+ gpstk::Rinex3ObsStream r_ref(FLAGS_filename_rinex_obs);
+ r_ref.exceptions(std::ios::failbit);
+ gpstk::Rinex3ObsData r_ref_data;
+ gpstk::Rinex3ObsHeader r_ref_header;
- /* Open the command for reading. */
- std::string argum = path_RinDump + " " + arg1 + " " + arg2 + " " + arg3 + " " + arg4 + " " + arg5;
+ gpstk::RinexDatum dataobj;
- fp = popen(&argum[0], "r");
- if (fp == NULL)
- {
- printf("Failed to run command\n" );
- }
+ r_ref >> r_ref_header;
- /* Read the output a line at a time - output it. */
- while (fgets(buffer, sizeof(buffer), fp) != NULL)
- {
- printf("Reading line: %s", buffer);
- }
- pclose(fp);
+ std::vector<gpstk::RinexObsID> typelist = r_ref_header.obsTypeList;
- // Open generated RINEX observables file
- std::string arg2_gen = "./" + generated_rinex_obs;
- std::string argum2 = path_RinDump + " " + arg1 + " " + arg2_gen + " " + arg3 + " " + arg4 + " " + arg5;
+ std::vector<gpstk::RinexObsID>::iterator it;
+ for(it = typelist.begin(); it != typelist.end(); it++)
+ {
+ gpstk::RinexObsID id = *it;
+ std::cout << "ID: " << id.asString() << std::endl;
+ }
+
+ //int indexC1_ref( r_ref_header.getObsIndex( "C1" ) );
+ //int indexL1_ref( r_ref_header.getObsIndex( "L1P" ) );
+ std::cout << r_ref_header.stringSystemNumObs << std::endl;
+
+ for (int myprn = 1; myprn < 33; myprn++)
+ {
+ gpstk::SatID prn( myprn, gpstk::SatID::systemGPS );
+ while (r_ref >> r_ref_data)
+ {
+ std::cout << r_ref_data.time << " " << std::endl;
+
+
+ gpstk::Rinex3ObsData::DataMap::iterator pointer = r_ref_data.obs.find(prn);
+ if( pointer == r_ref_data.obs.end() )
+ {
+ std::cout << "PRN " << myprn << " not in view " << std::endl;
+ }
+ else
+ {
+ // Get P1, P2 and L1 observations
+ // Here there are three equivalent ways to get the RinexDatum
+ // from the RinexObsData object
+
+ // The first one is a fast but DANGEROUS method, because there
+ // is a chance of unawarely change the contents of "roe.obs".
+ // -----------------------------------------------------------
+ //dataobj = r_ref_data.obs[prn][indexC1_ref];
+ //double C1 = dataobj.data;
- fp2 = popen(&argum2[0], "r");
- if (fp2 == NULL)
+ // The second method is secure but a little slower.
+ // This should be your preferred method
+ // -----------------------------------------------------------
+ dataobj = r_ref_data.getObs(prn, "P1", r_ref_header);
+ double P1 = dataobj.data;
+ std::cout << P1 << " " << std::endl;
+
+ //dataobj = r_ref_data.getObs(prn, "L1", r_ref_header);
+ //double L1 = dataobj.data;
+
+ gpstk::CommonTime time = r_ref_data.time;
+ //std::cout << time.getSecondOfDay() << std::endl;
+
+
+
+
+
+ std::cout << " PRN " << myprn << std::endl;
+
+ } // End of 'if( pointer == roe.obs.end() )'
+
+ }
+ }
+ } // End of 'try' block
+ catch(gpstk::FFStreamError& e)
{
- printf("Failed to run command\n" );
+ std::cout << e;
+ exit(1);
}
-
- /* Read the output a line at a time - output it. */
- while (fgets(buffer, sizeof(buffer), fp2) != NULL)
+ catch(gpstk::Exception& e)
{
- printf("Reading generated line: %s", buffer);
+ std::cout << e;
+ exit(1);
}
+ catch (...)
+ {
+ std::cout << "unknown error. I don't feel so well..." << std::endl;
+ exit(1);
+ }
+// FILE *fp;
+// FILE *fp2;
+// int status;
+// char buffer[1035];
+//
+// /* Open the command for reading. */
+// std::string argum = path_RinDump + " " + arg1 + " " + arg2 + " " + arg3 + " " + arg4 + " " + arg5;
+//
+// fp = popen(&argum[0], "r");
+// if (fp == NULL)
+// {
+// std::cout << "Failed to run command: " << argum << std::endl;
+// }
+//
+// /* Read the output a line at a time - output it. */
+// while (fgets(buffer, sizeof(buffer), fp) != NULL)
+// {
+// printf("Reading line: %s", buffer);
+// }
+// pclose(fp);
- pclose(fp2);
+ // Open generated RINEX observables file
+ std::string arg2_gen = std::string("./") + generated_rinex_obs;
+ gpstk::Rinex3ObsStream r_meas(arg2_gen);
+ gpstk::Rinex3ObsData r_meas_data;
+ gpstk::Rinex3ObsHeader r_meas_header;
+
+ r_meas >> r_meas_header;
+
+ //int indexC1_meas( r_meas_header.getObsIndex( "C1" ) );
+ //int indexL1_meas( r_meas_header.getObsIndex( "L1" ) );
+// std::string argum2 = path_RinDump + " " + arg1 + " " + arg2_gen + " " + arg3 + " " + arg4 + " " + arg5;
+//
+// fp2 = popen(&argum2[0], "r");
+// if (fp2 == NULL)
+// {
+// printf("Failed to run command\n" );
+// }
+//
+// /* Read the output a line at a time - output it. */
+// while (fgets(buffer, sizeof(buffer), fp2) != NULL)
+// {
+// printf("Reading generated line: %s", buffer);
+// }
+//
+// pclose(fp2);
// Time alignment!
// Read reference pseudoranges from a given satellite
--
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