Exemple #1
0
 public void Init()
 {
     lock (LockObject) {
         if (((++_refCount != 1) || (Running == ThreadState.Running)) || (_thread != null))
         {
             return;
         }
         try
         {
             if (_ftd2XxHandle == IntPtr.Zero)
             {
                 _data = new byte[0x201];
                 if (FTD2XX.FT_Open(0, ref _ftd2XxHandle) != FTD2XX.FT_STATUS.FT_OK)
                 {
                     throw new Exception("Error opening FTD2XX device 0");
                 }
                 FTD2XX.FT_ResetDevice(_ftd2XxHandle);
                 FTD2XX.FT_SetTimeouts(_ftd2XxHandle, 16, 50);
                 FTD2XX.FT_SetBaudRate(_ftd2XxHandle, 250000);
                 FTD2XX.FT_SetDataCharacteristics(_ftd2XxHandle, 8, 2, 0);
                 FTD2XX.FT_SetFlowControl(_ftd2XxHandle, 0, 0, 0);
             }
             _thread = new Thread(SendDataThread);
             _thread.Start();
         }
         catch
         {
             Close();
             throw;
         }
     }
 }
Exemple #2
0
 public void Close()
 {
     lock (LockObject)
     {
         if ((_refCount <= 0) || (--_refCount != 0))
         {
             return;
         }
         if (Running == ThreadState.Running)
         {
             Running = ThreadState.StopRequested;
             while (Running != ThreadState.Stopped)
             {
                 Thread.Sleep(1); //todo replace with Task.Delay() when using 4.5
             }
         }
         _thread = null;
         if (_ftd2XxHandle != IntPtr.Zero)
         {
             FTD2XX.FT_Close(_ftd2XxHandle);
             _ftd2XxHandle = IntPtr.Zero;
         }
         _data = null;
     }
 }
Exemple #3
0
        private void SendDataThread()
        {
            uint bytesWritten = 0;

            Running = ThreadState.Running;
            while (Running == ThreadState.Running)
            {
                FTD2XX.FT_SetBreakOn(_ftd2XxHandle);
                Thread.Sleep(1); //todo replace with Task.Delay() when using 4.5
                FTD2XX.FT_SetBreakOff(_ftd2XxHandle);
                if ((_data != null) && (Running == ThreadState.Running))
                {
                    lock (_data)
                    {
                        FTD2XX.FT_Write(_ftd2XxHandle, _data, (uint)_data.Length, ref bytesWritten);
                    }
                }
                Thread.Sleep(2); //todo replace with Task.Delay() when using 4.5
            }
            Running = ThreadState.Stopped;
        }