2 files changed, 19 insertions, 1 deletions
diff --git a/opentrack-logic/tracklogger.cpp b/opentrack-logic/tracklogger.cpp
index c644df16..64dda579 100644
--- a/opentrack-logic/tracklogger.cpp
+++ b/opentrack-logic/tracklogger.cpp
@@ -3,6 +3,17 @@
 
 TrackLogger::~TrackLogger() {}
 
+void TrackLogger::reset_dt()
+{
+    t.start();
+}
+
+void TrackLogger::write_dt()
+{
+    const double dt = t.elapsed_seconds();
+    write(&dt, 1);
+}
+
 void TrackLoggerCSV::handle_first_col_sep()
 {
     if (!first_col)
@@ -32,4 +43,5 @@ void TrackLoggerCSV::next_line()
 {
     out << std::endl;
     first_col = true;
-}
-\ No newline at end of file
+}
+
diff --git a/opentrack-logic/tracklogger.hpp b/opentrack-logic/tracklogger.hpp
index 990fc88b..c6c145cf 100644
--- a/opentrack-logic/tracklogger.hpp
+++ b/opentrack-logic/tracklogger.hpp
@@ -1,6 +1,7 @@
 #pragma once
 #include "main-settings.hpp"
 #include "opentrack-compat/options.hpp"
+#include "opentrack-compat/timer.hpp"
 
 #include <fstream>
 #include <QString>
@@ -14,6 +15,8 @@ class OPENTRACK_LOGIC_EXPORT TrackLogger
     TrackLogger& operator=(const TrackLogger&) = delete;
     TrackLogger& operator=(TrackLogger&&) = delete;
 
+    Timer t;
+
 public:
     TrackLogger()
     {
@@ -37,6 +40,9 @@ public:
     {
         write(p, 6);
     }
+
+    void reset_dt();
+    void write_dt();
 };