private static string GetLastExceptionMessage(short handle)
{
TC08DeviceImports.ErrorCode error = (TC08DeviceImports.ErrorCode)TC08DeviceImports.GetLastError(handle);
switch (error)
{
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_OK:
return("No error occurred.");
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_OS_NOT_SUPPORTED:
return("The driver supports Windows XP SP2 or later, Windows Vista, and Windows 7.");
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_NO_CHANNELS_SET:
return("A call to usb_tc08_set_channel is required.");
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_INVALID_PARAMETER:
return("One or more of the function arguments were invalid.");
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_VARIANT_NOT_SUPPORTED:
return("The hardware version is not supported. Download the latest driver.");
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_INCORRECT_MODE:
return
("An incompatible mix of legacy and non-legacy functions was called (or usb_tc08_get_single was called while in streaming mode.)");
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_ENUMERATION_INCOMPLETE:
return("usb_tc08_open_unit_async was called again while a background enumeration was already in progress.");
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_NOT_RESPONDING:
return("Cannot get a reply from a USB TC-08.");
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_FW_FAIL:
return("Unable to download firmware.");
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_CONFIG_FAIL:
return("Missing or corrupted EEPROM.");
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_NOT_FOUND:
return("Cannot find enumerated device.");
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_THREAD_FAIL:
return("A threading function failed.");
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_PIPE_INFO_FAIL:
return("Can not get USB pipe information.");
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_NOT_CALIBRATED:
return("No calibration date was found.");
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_PICOPP_TOO_OLD:
return("An old picopp.sys driver was found on the system.");
case TC08DeviceImports.ErrorCode.USBTC08_ERROR_COMMUNICATION:
return("The PC has lost communication with the device.");
default:
return("Unknown Error");
}
}
/// <summary>
/// Devices poll to detect disconnect
/// </summary>
private void DevicePollOnElapsed(object sender, ElapsedEventArgs elapsedEventArgs)
{
TC08DeviceImports.SetChannel(Handle, 0, 'X');
short error = TC08DeviceImports.GetLastError(Handle);
if (error > 6 && Connected)
{
Connected = false;
_devicePoll.Stop();
_onClosed(Handle);
}
}