// ------------------------------------------------------------------------
// Polls messages from the queue that the SerialThread object keeps. Once a
// message has been polled it is removed from the queue. There are some
// special messages that mark the start/end of the communication with the
// device.
// ------------------------------------------------------------------------
void Update()
{
// 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 = serialThread.ReadSerialMessage();
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);
}
}
public string ReadSerialMessage()
{
if (serialThread == null)
{
return(null);
}
string data = serialThread.ReadSerialMessage(); // Read the next message from the queue
if (ReferenceEquals(data, SerialController.SERIAL_DEVICE_CONNECTED))
{
Debug.Log("Connection established to " + portName);
failures = 0;
return(null);
}
else if (ReferenceEquals(data, SerialController.SERIAL_DEVICE_DISCONNECTED))
{
failures++;
if (maxFailuresAllowed > 0 && failures >= maxFailuresAllowed) //shut ourselves down
{
enabled = false;
}
Debug.LogWarning("Connection attempt failed or disconnection detected on " + portName + ". Attempting reconnection");
return(null);
}
return(data);
}
public string ReadSerialMessage()
{
if (serialThread == null)
{
return(null);
}
string data = serialThread.ReadSerialMessage(); // Read the next message from the queue
if (ReferenceEquals(data, SerialController.SERIAL_DEVICE_CONNECTED))
{
hypercube.input._debugLog("<color=#00ff00>Connection established to " + portName + "</color>");
failures = 0;
isConnected = true;
return(null);
}
else if (ReferenceEquals(data, SerialController.SERIAL_DEVICE_DISCONNECTED))
{
isConnected = false;
failures++;
if (maxFailuresAllowed > 0 && failures >= maxFailuresAllowed) //shut ourselves down
{
enabled = false;
}
hypercube.input._debugLog("<color=orange>Serial connection attempt failed or disconnection occurred on '" + portName + "'.</color>");
return(null);
}
return(data);
}
// Use this for initialization
IEnumerator Start()
{
// Connect to the robot and start the serial thread
var serialThread = new SerialThread(portName, baudRate, delayBeforeReconnecting, maxUnreadMessages);
var thread = new Thread(new ThreadStart(serialThread.RunForever));
thread.Start();
// Connect to the Tellynet web socket server
var ws = new WebSocket(tellynetSocketProtocol + tellynetServer + tellynetPort);
try {
ws.Connect();
socket = ws;
//Send a room specific join message to Tellynet
ws.Send("join #letsrobot");
//Grabs messages from TellyNet
ws.OnMessage += (sender, e) => {
//Check to see if robot says first.
string botReply = serialThread.ReadSerialMessage();
if (botReply != null)
{
Debug.Log("Bot replied: " + botReply);
}
Console.WriteLine("Laputa says: " + e.Data);
string reply = e.Data;
if (e.IsText)
{
//The messages from TellyNet are JSON objects
try {
SimpleJSON.JSONNode msg = SimpleJSON.JSON.Parse(reply);
//This is a special use case for the bitslapper,
//We need to develop a whole new command protocol instead.
if (msg ["bits"].Value != "")
{
Debug.Log(msg ["bits"].Value);
var bitAmount = int.Parse(msg ["bits"].Value);
if (bitAmount >= 100)
{
toRobot = "bitslap";
}
else if (bitAmount <= 99 && bitAmount >= 10)
{
toRobot = "bittyslap";
}
}
else
{
//Comment this out if you don't want to send all messages to robot
toRobot = msg["message"].Value;
}
//example of how to grab user chat messages from TellyNet.
Debug.Log(msg ["username"].Value + ": " + msg ["message"].Value);
} catch (KeyNotFoundException) {
}
//If there is a message we can send the robot, that happens here.
if (toRobot != null)
{
serialThread.SendSerialMessage(toRobot);
Debug.Log(toRobot);
toRobot = "";
}
}
};
} catch { Debug.Log("Can't connect to TellyNet"); }
yield return(0);
}