public LibUsbConnectionService()
{
currentContext = SynchronizationContext.Current;
NativeMethods.Init(out context);
HotplugCallbackFunction cb = Callback;
NativeMethods.HotplugRegisterCallback(context, HotplugEvent.DeviceArrived | HotplugEvent.DeviceLeft, 0,
(int)TreehopperUsb.Settings.Vid, (int)TreehopperUsb.Settings.Pid, NativeMethods.HotplugMatchAny, cb,
IntPtr.Zero, callbackHandle);
InitialAdd();
Task.Run(async() =>
{
while (true)
{
NativeMethods.HandleEvents(context, IntPtr.Zero);
await Task.Delay(100).ConfigureAwait(false);
}
});
}
internal static extern int HotplugRegisterCallback([In] IntPtr context, HotplugEvent events, int flags,
int vendor_id, int product_id, int dev_class, HotplugCallbackFunction cb_fn, IntPtr user_data,
IntPtr HandleRef);
