public async Task Send(byte[] message)
{
if (SelectedDevice?.State != DeviceState.Connected)
{
return;
}
var size = message.Length;
var lastDataPacketSize = size % Settings.PacketSize;
var numberOfCompletePackages = size / Settings.PacketSize;
for (int i = 0; i < numberOfCompletePackages; i++)
{
var data = new ArraySegment <byte>(message, i * Settings.PacketSize, Settings.PacketSize);
await WriteToDevice(data.ToArray());
}
if (lastDataPacketSize > 0)
{
var data = new ArraySegment <byte>(message, numberOfCompletePackages * Settings.PacketSize, lastDataPacketSize);
await WriteToDevice(data.ToArray());
}
BytesSent?.Invoke(this, message);
}
/// <summary>
/// Write byte array to client.
/// </summary>
/// <param name="buffer"></param>
public void WriteToClient(byte[] buffer)
{
if (buffer == null)
{
throw new ArgumentNullException(nameof(buffer));
}
TcpStream.Write(buffer, 0, buffer.Length);
BytesSent?.Invoke(this, new TcpServerDataEventArgs(this, buffer, buffer.Length));
TcpStream.Flush();
}
public void Connect(string portName)
{
Disconnect();
Arduino = new ArduinoSerial(portName);
Arduino.BytesSent += (port, bytes) => BytesSent?.Invoke(port, bytes);
Arduino.BytesReceived += (port, bytes) => BytesReceived?.Invoke(port, bytes);
Arduino.Connect(false);
_thread = new Thread(Loop);
_thread.IsBackground = true;
_thread.Start();
}
public ConnectResult TryConnect(string portName, bool sayhello)
{
if (portName == "")
{
return(ConnectResult.InvalidArgument);
}
Disconnect();
EventWaitHandle ewh = new EventWaitHandle(false, EventResetMode.AutoReset);
ConnectResult result = ConnectResult.None;
Arduino = new ArduinoSerial(portName);
Arduino.BytesSent += (port, bytes) => BytesSent?.Invoke(port, bytes);
Arduino.BytesReceived += (port, bytes) => BytesReceived?.Invoke(port, bytes);
ArduinoSerial.StatusChangedHandler statuschanged = status =>
{
lock (ewh)
{
if (result != ConnectResult.None)
{
return;
}
if (status == ArduinoSerial.Status.Connected || status == ArduinoSerial.Status.ConnectedUnsafe)
{
result = ConnectResult.Success;
ewh.Set();
}
if (status == ArduinoSerial.Status.Error)
{
result = ConnectResult.Error;
ewh.Set();
}
}
};
Arduino.StatusChanged += statuschanged;
Arduino.Connect(sayhello);
if (!ewh.WaitOne(300) && sayhello)
{
Arduino.Disconnect();
Arduino = null;
return(ConnectResult.Timeout);
}
if (result != ConnectResult.Success)
{
Arduino.Disconnect();
Arduino = null;
return(result);
}
Arduino.StatusChanged -= statuschanged;
_thread = new Thread(Loop);
_thread.IsBackground = true;
_thread.Start();
return(ConnectResult.Success);
}
private void OnBytesSent(INetworkNode To, int NumberOfBytes)
{
if ((BytesSent == null) || (To == null) || (NumberOfBytes <= 0))
{
return;
}
Task.Run(() =>
{
BytesSent?.Invoke(this, new InternetBytesTransferredEventArgs
{
Remote = To,
Local = this,
Direction = CommunicationDirection.Outbound,
NumBytes = NumberOfBytes
});
});
}
void VideosInsertRequest_ProgressChanged(IUploadProgress Progress)
{
BytesSent?.Invoke(Progress.BytesSent);
}
/// <summary>
/// Write byte array to client.
/// </summary>
/// <param name="buffer"></param>
public void WriteToClient(byte[] buffer)
{
TcpStream.Write(buffer, 0, buffer.Length);
BytesSent?.Invoke(this, new TcpServerDataEventArgs(this, buffer, buffer.Length));
TcpStream.Flush();
}