protected static void ExecuteNetworkCommand(ExecuteNetworkDelegate command)
{
#if Android
if (Android.OS.Build.VERSION.SdkInt < Android.OS.BuildVersionCodes.Lollipop)
{
command();
return;
}
if (Android.OS.Build.VERSION.SdkInt < Android.OS.BuildVersionCodes.M)
{
#pragma warning disable 618
Android.Net.Network defaultNetwork = Android.Net.ConnectivityManager.ProcessDefaultNetwork;
try
{
Android.Net.ConnectivityManager.SetProcessDefaultNetwork(null);
command();
}
finally
{
Android.Net.ConnectivityManager.SetProcessDefaultNetwork(defaultNetwork);
}
#pragma warning restore 618
return;
}
ConnectParameterType connectParameter = ConnectParameter as ConnectParameterType;
if (connectParameter == null)
{
throw new Exception("No connect parameter");
}
Android.Net.Network boundNetwork = connectParameter.ConnectivityManager.BoundNetworkForProcess;
try
{
connectParameter.ConnectivityManager.BindProcessToNetwork(null);
command();
}
finally
{
connectParameter.ConnectivityManager.BindProcessToNetwork(boundNetwork);
}
#else
command();
#endif
}
public static bool InterfaceConnect(string port, object parameter)
{
if (_usbPort != null)
{
return(true);
}
try
{
ConnectParameterType connectParameter = parameter as ConnectParameterType;
if (connectParameter == null)
{
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);
FtdiSerialDriver.FtdiSerialPort ftdiPort = _usbPort as FtdiSerialDriver.FtdiSerialPort;
if (ftdiPort != null)
{
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);
}
catch (Exception)
{
InterfaceDisconnect();
return(false);
}
return(true);
}
