Unified time base now so both GVRET and Socketcan devices yield timestamps in microseconds since the program started or clear was pressed, fixed frames per second display, fixed timestamps for sent frames

connections/canconmanager.cpp

@@ -1,3 +1,5 @@
+#include <QDateTime>
+
 #include "canconmanager.h"
 
 
@@ -18,8 +20,14 @@ CANConManager::CANConManager(QObject *parent): QObject(parent)
     mTimer.setInterval(250); /*tick 4 times a second */
     mTimer.setSingleShot(false);
     mTimer.start();
+
+    resetTimeBasis();
 }
 
+void CANConManager::resetTimeBasis()
+{
+    mTimestampBasis = QDateTime::currentMSecsSinceEpoch() * 1000;
+}
 
 CANConManager::~CANConManager()
 {
@@ -70,6 +78,10 @@ void CANConManager::refreshCanList()
     }
 }
 
+uint64_t CANConManager::getTimeBasis()
+{
+    return mTimestampBasis;
+}
 
 QList<CANConnection*>& CANConManager::getConnections()
 {
@@ -139,6 +151,7 @@ bool CANConManager::sendFrame(const CANFrame& pFrame)
         {
             workingFrame.bus -= busBase;
             workingFrame.isReceived = false;
+            workingFrame.timestamp = ((QDateTime::currentMSecsSinceEpoch() * 1000) - mTimestampBasis);
             txFrame = conn->getQueue().get();
             *txFrame = workingFrame;
             conn->getQueue().queue();