gnss-sdr now accepts a --config_file flag for specifying the configuration file:

./gnss-sdr --config_file="my_receiver.conf" 

and another --signal_source flag that, if specified, overrides the file in the configuration:

./gnss-sdr --signal_source=/path/to/file.dat

Requires gflags 1.6 or later.

git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@100 64b25241-fba3-4117-9849-534c7e92360d

src/algorithms/signal_source/adapters/file_signal_source.cc

@@ -40,7 +40,7 @@
 #include <iostream>
 #include <fstream>
 #include <iomanip>
-
+#include <gflags/gflags.h>
 #include <glog/log_severity.h>
 #include <glog/logging.h>
 
@@ -48,6 +48,10 @@
 
 using google::LogMessage;
 
+DEFINE_string(signal_source, "-",
+        "If defined, path to the file containing the signal samples (overrides the configuration file)");
+
+
 FileSignalSource::FileSignalSource(ConfigurationInterface* configuration,
         std::string role, unsigned int in_streams, unsigned int out_streams,
         gr_msg_queue_sptr queue) :
@@ -63,6 +67,9 @@ FileSignalSource::FileSignalSource(ConfigurationInterface* configuration,
     sampling_frequency_ = configuration->property(role
             + ".sampling_frequency", 0);
     filename_ = configuration->property(role + ".filename", default_filename);
+    // override value with commandline flag, if present
+    if (FLAGS_signal_source.compare("-") != 0) filename_= FLAGS_signal_source;
+
     item_type_ = configuration->property(role + ".item_type",
             default_item_type);
     repeat_ = configuration->property(role + ".repeat", false);

src/core/receiver/control_thread.cc

@@ -48,8 +48,7 @@
 using google::LogMessage;
 
 DEFINE_string(config_file, "../conf/gnss-sdr.conf",
-        "Path to the file containing the configuration parameters")
-;
+        "Path to the file containing the configuration parameters");
 
 ControlThread::ControlThread()
 {

src/core/receiver/gnss_block_factory.cc

@@ -63,6 +63,7 @@
 
 using google::LogMessage;
 
+
 GNSSBlockFactory::GNSSBlockFactory()
 {
 }
@@ -76,6 +77,7 @@ GNSSBlockInterface* GNSSBlockFactory::GetSignalSource(
 {
 
     std::string default_implementation = "File_Signal_Source";
+
     std::string implementation = configuration->property(
             "SignalSource.implementation", default_implementation);
 

src/main/main.cc

@@ -64,17 +64,20 @@ int main(int argc, char** argv)
             +
             "See COPYING file to see a copy of the General Public License\n \n");
 
-    std::cout<<"Initializing GNSS-SDR... Please wait"<<"\r\n";
-    google::SetUsageMessage(intro_help);
-    google::InitGoogleLogging(argv[0]);
-    google::ParseCommandLineFlags(&argc, &argv, true);
 
+    google::SetUsageMessage(intro_help);
+    google::SetVersionString("0.1");
+    google::ParseCommandLineFlags(&argc, &argv, true);
+    google::InitGoogleLogging(argv[0]);
+
+    std::cout<<"Initializing GNSS-SDR... Please wait"<<std::endl;
 
     ControlThread *control_thread = new ControlThread();
 
     control_thread->run();
 
     delete control_thread;
-    std::cout<<"GNSS-SDR program ended"<<"\r\n";
-    //google::ShutDownCommandLineFlags();
+
+    google::ShutDownCommandLineFlags();
+    std::cout<<"GNSS-SDR program ended"<<std::endl;
 }