private static void OnCallback(object state)
{
switch ((ETimer)state)
{
case ETimer.Ping:
if (NetduinoMQTT == null)
{
break;
}
lock (NetduinoMQTT)
{
// Our keep alive is 15 seconds - we ping again every 10, So we should live forever
Debug.Print("Pinging <" + MQTT_PORT + "> port on <" + MQTT_SERVER + "> server...");
if (NetduinoMQTT.PingMQTT(Socket) == -1)
{
NetduinoMQTT.DisconnectMQTT(Socket);
NetduinoMQTT = null;
}
}
break;
case ETimer.Scan:
if (I2C == null)
{
break;
}
lock (I2C) lock (NetduinoMQTT)
{
Scanner.ScanSlaves(I2C);
FetchFunction();
}
break;
case ETimer.RGB:
if (LockRGB == null)
{
break;
}
lock (LockRGB)
{
if (Notify.Length != 0)
{
// Notify end user, status is reserved
Debug.Print("Done! RGB LED status was changed from <" + NotifyFlag.ToString() + "> to <" + Notify.Peek().ToString() + "> status.");
SetRGBStatus(Notify.Dequeue());
}
}
break;
default:
break;
}
}
// the interrupt handler
static void button_OnInterrupt(uint data1, uint data2, DateTime time)
{
int returnCode = 0;
int connectionError = 0;
// Get broker's IP address.
IPHostEntry hostEntry = Dns.GetHostEntry("192.168.1.106");
// Create socket and connect to the broker's IP address and port
Socket mySocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
mySocket.Connect(new IPEndPoint(hostEntry.AddressList[0], 1883));
}
catch (SocketException SE)
{
Debug.Print("Connection Error");
connectionError = 1;
}
if (connectionError != 1)
{
// Send the connect message
returnCode = NetduinoMQTT.ConnectMQTT(mySocket, "tester\u00A5", 2, true, "roger\u00A5", "password\u00A5");
if (returnCode != 0)
{
Debug.Print("Connection Error:");
Debug.Print(returnCode.ToString());
}
else
{
// Send our message
NetduinoMQTT.PublishMQTT(mySocket, "test", "Ow! Quit it!");
for (int i = 0; i < 11; i++)
{
returnCode = NetduinoMQTT.PingMQTT(mySocket);
if (returnCode == 0)
{
Debug.Print("Ping Received");
Thread.Sleep(1000);
}
}
Thread.Sleep(3000);
// Send the disconnect message
NetduinoMQTT.DisconnectMQTT(mySocket);
}
// Close the socket
mySocket.Close();
}
}
