public static bool InterfaceConnect(string port, object parameter)
{
if (_usbPort != null)
{
return(true);
}
try
{
_connectPort = port;
_connectParameter = parameter;
if (!(parameter is ConnectParameterType connectParameter))
{
return(false);
}
if (!port.StartsWith(PortId, StringComparison.OrdinalIgnoreCase))
{
InterfaceDisconnect();
return(false);
}
List <IUsbSerialDriver> availableDrivers = GetDriverList(connectParameter.UsbManager);
if (availableDrivers.Count <= 0)
{
InterfaceDisconnect();
return(false);
}
string portData = port.Remove(0, PortId.Length);
int portIndex = -1;
if ((portData.Length > 0) && (portData[0] == ':'))
{ // special id
if (portData.StartsWith(":SER=", StringComparison.OrdinalIgnoreCase))
{ // serial number
string id = portData.Remove(0, 5);
int index = 0;
foreach (IUsbSerialDriver serialDriver in availableDrivers)
{
if (serialDriver.Ports[0] != null && string.Compare(serialDriver.Ports[0].Serial, id, StringComparison.Ordinal) == 0)
{
portIndex = index;
break;
}
index++;
}
}
}
else
{
portIndex = Convert.ToInt32(port.Remove(0, PortId.Length));
}
if ((portIndex < 0) || (portIndex >= availableDrivers.Count))
{
InterfaceDisconnect();
return(false);
}
IUsbSerialDriver driver = availableDrivers[portIndex];
UsbDeviceConnection connection = connectParameter.UsbManager.OpenDevice(driver.Device);
if (connection == null)
{
InterfaceDisconnect();
return(false);
}
if (driver.Ports.Count < 1)
{
InterfaceDisconnect();
return(false);
}
_usbPort = driver.Ports[0];
_usbPort.Open(connection);
_usbPort.SetParameters(9600, 8, StopBits.One, Parity.None);
if (_usbPort is FtdiSerialDriver.FtdiSerialPort ftdiPort)
{
ftdiPort.LatencyTimer = LatencyTime;
if (ftdiPort.LatencyTimer != LatencyTime)
{
InterfaceDisconnect();
return(false);
}
}
_currentWordLength = 8;
_currentParity = EdInterfaceObd.SerialParity.None;
_usbPort.DTR = false;
_usbPort.RTS = false;
lock (QueueLock)
{
ReadQueue.Clear();
}
_serialIoManager = new SerialInputOutputManager(_usbPort);
_serialIoManager.DataReceived += (sender, e) =>
{
lock (QueueLock)
{
foreach (byte value in e.Data)
{
ReadQueue.Enqueue(value);
}
DataReceiveEvent.Set();
}
};
_serialIoManager.Start(UsbBlockSize);
if (_currentBaudRate != 0 && _currentWordLength != 0)
{
if (InterfaceSetConfig(EdInterfaceObd.Protocol.Uart, _currentBaudRate, _currentWordLength, _currentParity, false) != EdInterfaceObd.InterfaceErrorResult.NoError)
{
InterfaceDisconnect();
return(false);
}
InterfaceSetDtr(_currentDtr);
InterfaceSetRts(_currentRts);
}
Ediabas?.LogString(EdiabasNet.EdLogLevel.Ifh, "Connected");
_reconnectRequired = false;
}
catch (Exception)
{
InterfaceDisconnect();
return(false);
}
return(true);
}
