bug fix when elaspedTime is 0

2016-05-31 14:52:49 +02:00
parent 1a655fb7b3
commit 750f20a9d6
1 changed files with 8 additions and 2 deletions
@@ -447,8 +447,14 @@ void SerialWorker::handleTick()
        }
    }

-    framesPerSec += gotFrames * 1000 / elapsedTime->elapsed() - (framesPerSec / 4);
-    elapsedTime->restart();
+    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;