private async void ReceiveData()
{
while (!_performClose)
{
try
{
var incomingValue = _port.ReadByte();
Console.WriteLine("Channel > Incoming: " + incomingValue);
if (incomingValue == Constants.MESSAGE_START_BYTE)
{
//start byte received. construct message
var length = _port.ReadByte();
await Task.Delay(10);
var messageBytes = new byte[length];
messageBytes[0] = (byte)incomingValue;
messageBytes[1] = (byte)length;
await Task.Delay(10);
_port.Read(messageBytes, 2, messageBytes.Length - 2);
var message = new ArduinoMessage();
message.FromBytes(messageBytes);
//continue if the message is invalid
if (!message.IsValid)
{
Console.WriteLine("Channel > Received INVALID Message!");
continue;
}
//process the message, either send received handler or continue awaited message
ProcessReceivedMessage(message);
}
}
catch (InvalidOperationException)
{
Debug.WriteLine("Channel > Connection closed. Arduino USB cable removed?");
break;
}
catch (Exception ex)
{
Debug.WriteLine("Channel > Exception while receiving data!");
}
await Task.Delay(10);
}
//reset close flag
_performClose = false;
}
