public void Send(byte[] universeData)
{
CheckPortOpened();
// Prepare the buffer to send (MAB + universe)
var bytesToSend = universeData.Length + 1;
var toSend = new byte[bytesToSend];
Array.Copy(universeData, 0, toSend, 1, universeData.Length);
// Purge any RX packet (useless)
FtdiInterop.Purge(_handle, 1).Validate();
// Send the BREAK signal
FtdiInterop.SetBreakOn(_handle).Validate();
FtdiInterop.SetBreakOff(_handle).Validate();
// Send the MARK-AFTER-BREAK (first value with zeros) and the Universe itself
IntPtr ptr = Marshal.AllocHGlobal(bytesToSend);
Marshal.Copy(toSend, 0, ptr, bytesToSend);
int written;
FtdiInterop.Write(_handle, ptr, (uint)bytesToSend, out written).Validate();
Marshal.Release(ptr);
}
public void Close()
{
CheckDisposed();
FtdiInterop.Close(_handle).Validate();
_handle = IntPtr.Zero;
}
public void Dispose()
{
CheckDisposed();
if (_isOpened)
{
FtdiInterop.Close(_handle);
}
_isDisposed = true;
}
public static FtdiUsbDmxPort[] GetPorts()
{
int nbDevices;
FtdiInterop.CreateDeviceInfoList(out nbDevices).Validate();
if (nbDevices == 0)
{
return(new FtdiUsbDmxPort[0]);
}
var devices = new FtdiInterop.FtDeviceListInfoNode[nbDevices];
FtdiInterop.FT_GetDeviceInfoList(devices, ref nbDevices).Validate();
return(devices.Select((x, i) => new FtdiUsbDmxPort(i, x)).ToArray());
}
public void Open()
{
CheckDisposed();
if (_handle != IntPtr.Zero)
{
throw new InvalidOperationException("Port already opened");
}
FtdiInterop.Open(_portNo, out _handle).Validate();
FtdiInterop.ResetDevice(_handle).Validate();
FtdiInterop.SetDataCharacteristics(_handle, 8, 2, 0).Validate();
FtdiInterop.SetFlowControl(_handle, 0, 0, 0).Validate();
FtdiInterop.ClrRts(_handle).Validate();
FtdiInterop.Purge(_handle, 1).Validate();
FtdiInterop.Purge(_handle, 2).Validate();
_isOpened = true;
}