Previous commit with merge of fixes from another user added code in the wrong place for this branch and I didn't catch it. Fixed now.

mainwindow.cpp

@@ -515,8 +515,14 @@ void MainWindow::filterClearAll()
 
 void MainWindow::tickGUIUpdate()
 {
-    framesPerSec += rxFrames * 1000 / elapsedTime->elapsed() - (framesPerSec / 4);
-    elapsedTime->restart();
+    int elapsed = elapsedTime->elapsed();
+    if(elapsed) {
+        framesPerSec += rxFrames * 1000 / elapsed - (framesPerSec / 4);
+        elapsedTime->restart();
+    }
+    else
+        framesPerSec = 0;
+
     model->sendBulkRefresh(rxFrames);
 
     ui->lbNumFrames->setText(QString::number(model->rowCount()));

serialworker.cpp

@@ -478,18 +478,6 @@ void SerialWorker::handleTick()
         }
     }
 
-    int elapsed = elapsedTime->elapsed();
-    if(elapsed) {
-        framesPerSec += gotFrames * 1000 / elapsed - (framesPerSec / 4);
-        elapsedTime->restart();
-    }
-    else
-        framesPerSec = 0;
-
-    emit frameUpdateTick(framesPerSec / 4, gotFrames); //sends stats to interested parties
-    canModel->sendBulkRefresh(gotFrames);
-    gotFrames = 0;
-
     if (doValidation && serial && serial->isOpen()) sendCommValidation();
 }