private void SendUpdate(byte OutputData)
{
lock (FTDILocker)
{
if (FTDI != null)
{
uint numBytes = 0;
byte[] Out = { OutputData };
FTDI.FT_STATUS Status = FTDI.Write(Out, 1, ref numBytes);
if (Status != FTDI.FT_STATUS.FT_OK)
{
FTDI.ErrorHandler(Status);
}
if (numBytes != 1)
{
throw new Exception("Wrong number of written bytes (expected 1, received {0} was returned when sending data to the FTDI chip {1}".Build(numBytes, SerialNumber));
}
}
}
}
private void Connect()
{
lock (FTDILocker)
{
if (FTDI != null)
{
Disconnect();
}
if (SerialNumber.IsNullOrWhiteSpace())
{
Log.Exception("The SerialNumber has not been set for the FT245RBitbangController named {0}. Cant connect to device.".Build(Name));
return;
}
FTDI = new FTDI();
//Try to open the device
try
{
FTDI.ErrorHandler(FTDI.OpenBySerialNumber(SerialNumber));
}
catch (Exception E)
{
Log.Exception("Could not open the connection to FTDI chip with serial number {0}.".Build(SerialNumber), E);
FTDI = null;
return;
}
// Set FT245RL to synchronous bit-bang mode, used on sainsmart relay board
try
{
FTDI.ErrorHandler(FTDI.SetBitMode(0xFF, FTDI.FT_BIT_MODES.FT_BIT_MODE_SYNC_BITBANG));
}
catch (Exception E)
{
Log.Exception("Could set the bitmode to bitbang for FTDI chip with serial number {0}.".Build(SerialNumber), E);
Disconnect();
FTDI = null;
return;
}
Log.Write("Connection to FTDI chip {0} established.".Build(SerialNumber));
}
}