// ------------------------------------------------------------------------
// Invoked whenever the SerialController gameobject is deactivated.
// It stops and destroys the thread that was reading from the serial device.
// ------------------------------------------------------------------------
void OnDisable()
{
// If there is a user-defined tear-down function, execute it before
// closing the underlying COM port.
if (userDefinedTearDownFunction != null)
{
userDefinedTearDownFunction();
}
// The serialThread reference should never be null at this point,
// unless an Exception happened in the OnEnable(), in which case I've
// no idea what face Unity will make.
if (serialThread != null)
{
serialThread.RequestStop();
serialThread = null;
}
// This reference shouldn't be null at this point anyway.
if (thread != null)
{
thread.Join();
thread = null;
}
}
// ------------------------------------------------------------------------
// Invoked whenever the SerialController gameobject is activated.
// It creates a new thread that tries to connect to the serial device
// and start reading from it.
// ------------------------------------------------------------------------
void OnEnable()
{
serialThread = new SerialThreadLines(portName,
baudRate,
reconnectionDelay,
maxUnreadMessages);
thread = new Thread(new ThreadStart(serialThread.RunForever));
thread.Start();
}
// ------------------------------------------------------------------------
// Invoked whenever the SerialController gameobject is activated.
// It creates a new thread that tries to connect to the serial device
// and start reading from it.
// ------------------------------------------------------------------------
void OnEnable()
{
serialThread = new SerialThreadLines(portName,
baudRate,
reconnectionDelay,
maxUnreadMessages);
thread = new Thread(new ThreadStart(serialThread.RunForever));
thread.Start();
gameManager = GameObject.Find("GameManager").GetComponent <GameManager>();
}
public void StartListeningToPort(string portName)
{
serialThread = new SerialThreadLines(portName,
baudRate,
reconnectionDelay,
maxUnreadMessages);
thread = new Thread(new ThreadStart(serialThread.RunForever));
thread.Start();
exists = true;
}
void Update()
{
if (portName != "COM3")
{
if (firstTime)
{
serialThread = new SerialThreadLines(portName,
baudRate,
reconnectionDelay,
maxUnreadMessages);
thread = new Thread(new ThreadStart(serialThread.RunForever));
thread.Start();
firstTime = false;
}
// If the user prefers to poll the messages instead of receiving them
// via SendMessage, then the message listener should be null.
if (messageListener == null)
{
return;
}
// Read the next message from the queue
string message = (string)serialThread.ReadMessage();
if (message == null)
{
return;
}
// Check if the message is plain data or a connect/disconnect event.
if (ReferenceEquals(message, SERIAL_DEVICE_CONNECTED))
{
messageListener.SendMessage("OnConnectionEvent", true);
}
else if (ReferenceEquals(message, SERIAL_DEVICE_DISCONNECTED))
{
messageListener.SendMessage("OnConnectionEvent", false);
}
else
{
messageListener.SendMessage("OnMessageArrived", message);
}
}
}
