v6 rotational walking :D

2018-unity-sim/Assets/Serial.cs

@@ -35,9 +35,16 @@ public class Serial {
             {
                 serialPort = new SerialPort(@"\\.\" + "COM10", 115200);
 
-                serialPort.Open();
-                serialPort.DiscardOutBuffer();
-                serialPort.DiscardInBuffer();
+                try
+                {
+                    serialPort.Open();
+                    serialPort.DiscardOutBuffer();
+                    serialPort.DiscardInBuffer();
+                }
+                catch
+                {
+                    enabled = false;
+                }
             }
 
             if (serialPort is SerialPort)