public static void ThrowOnError(this FT_ERROR ftErrorCondition)
{
// Check for other error conditions not handled by FTD2XX DLL
switch (ftErrorCondition)
{
case FT_ERROR.FT_NO_ERROR:
return;
case FT_ERROR.FT_INCORRECT_DEVICE:
throw new FtdiIncorrectDeviceException(
"The current device type does not match the EEPROM structure.");
case FT_ERROR.FT_INVALID_BITMODE:
throw new FtdiInvalidBitmodeException(
"The requested bit mode is not valid for the current device.");
case FT_ERROR.FT_BUFFER_SIZE:
throw new FtdiBufferSizeException("The supplied buffer is not big enough.");
default:
throw new ArgumentOutOfRangeException(nameof(ftErrorCondition), ftErrorCondition, null);
}
}
//**************************************************************************
//**************************************************************************
//
// HELPER METHODS
//
//**************************************************************************
//**************************************************************************
//**************************************************************************
// ErrorHandler
//**************************************************************************
/// <summary>
/// Method to check ftStatus and ftErrorCondition values for error conditions and throw exceptions accordingly.
/// </summary>
private void ErrorHandler(FT_STATUS ftStatus, FT_ERROR ftErrorCondition)
{
if (ftStatus != FT_STATUS.FT_OK)
{
// Check FT_STATUS values returned from FTD2XX DLL calls
switch (ftStatus)
{
case FT_STATUS.FT_DEVICE_NOT_FOUND:
{
throw new FT_EXCEPTION("FTDI device not found.");
}
case FT_STATUS.FT_DEVICE_NOT_OPENED:
{
throw new FT_EXCEPTION("FTDI device not opened.");
}
case FT_STATUS.FT_DEVICE_NOT_OPENED_FOR_ERASE:
{
throw new FT_EXCEPTION("FTDI device not opened for erase.");
}
case FT_STATUS.FT_DEVICE_NOT_OPENED_FOR_WRITE:
{
throw new FT_EXCEPTION("FTDI device not opened for write.");
}
case FT_STATUS.FT_EEPROM_ERASE_FAILED:
{
throw new FT_EXCEPTION("Failed to erase FTDI device EEPROM.");
}
case FT_STATUS.FT_EEPROM_NOT_PRESENT:
{
throw new FT_EXCEPTION("No EEPROM fitted to FTDI device.");
}
case FT_STATUS.FT_EEPROM_NOT_PROGRAMMED:
{
throw new FT_EXCEPTION("FTDI device EEPROM not programmed.");
}
case FT_STATUS.FT_EEPROM_READ_FAILED:
{
throw new FT_EXCEPTION("Failed to read FTDI device EEPROM.");
}
case FT_STATUS.FT_EEPROM_WRITE_FAILED:
{
throw new FT_EXCEPTION("Failed to write FTDI device EEPROM.");
}
case FT_STATUS.FT_FAILED_TO_WRITE_DEVICE:
{
throw new FT_EXCEPTION("Failed to write to FTDI device.");
}
case FT_STATUS.FT_INSUFFICIENT_RESOURCES:
{
throw new FT_EXCEPTION("Insufficient resources.");
}
case FT_STATUS.FT_INVALID_ARGS:
{
throw new FT_EXCEPTION("Invalid arguments for FTD2XX function call.");
}
case FT_STATUS.FT_INVALID_BAUD_RATE:
{
throw new FT_EXCEPTION("Invalid Baud rate for FTDI device.");
}
case FT_STATUS.FT_INVALID_HANDLE:
{
throw new FT_EXCEPTION("Invalid handle for FTDI device.");
}
case FT_STATUS.FT_INVALID_PARAMETER:
{
throw new FT_EXCEPTION("Invalid parameter for FTD2XX function call.");
}
case FT_STATUS.FT_IO_ERROR:
{
throw new FT_EXCEPTION("FTDI device IO error.");
}
case FT_STATUS.FT_OTHER_ERROR:
{
throw new FT_EXCEPTION("An unexpected error has occurred when trying to communicate with the FTDI device.");
}
default:
break;
}
}
if (ftErrorCondition != FT_ERROR.FT_NO_ERROR)
{
// Check for other error conditions not handled by FTD2XX DLL
switch (ftErrorCondition)
{
case FT_ERROR.FT_INCORRECT_DEVICE:
{
throw new FT_EXCEPTION("The current device type does not match the EEPROM structure.");
}
case FT_ERROR.FT_INVALID_BITMODE:
{
throw new FT_EXCEPTION("The requested bit mode is not valid for the current device.");
}
case FT_ERROR.FT_BUFFER_SIZE:
{
throw new FT_EXCEPTION("The supplied buffer is not big enough.");
}
default:
break;
}
}
return;
}
/// <summary>
/// Method to check ftStatus and ftErrorCondition values for error conditions and throw exceptions accordingly.
/// </summary>
public static void ThrowOnError(this FT_STATUS ftStatus, FT_ERROR ftErrorCondition)
{
ftStatus.ThrowOnError();
ftErrorCondition.ThrowOnError();
}
