public override HIDReport ReadDefault()
{
if (IsOpen == false)
{
OpenDevice();
}
//do this only once
if (!DeviceGCHandle.IsAllocated)
{
try {
DeviceGCHandle = GCHandle.Alloc(this);
// The device is not normally available in the InputValueCallback (HandleDeviceValueReceived), so we include
// the device identifier as the context variable, so we can identify it and figure out the device later.
Native.IOHIDDeviceRegisterInputValueCallback(__deviceHandle, DeviceValueReceived, GCHandle.ToIntPtr(DeviceGCHandle));
//_registeredToInputReport=true;
Native.IOHIDDeviceScheduleWithRunLoop(__deviceHandle, RunLoop, Native.RunLoopModeDefault);
//_scheduleWithRunLoop=true;
} catch (Exception e) {
UnityEngine.Debug.LogException(e);
}
}
return(__lastHIDReport);
}
void RemoveDevice(IOHIDDeviceRef deviceRef)
{
if (deviceRef == IntPtr.Zero)
{
Debug.LogWarning("IOHIDeviceRef equal to IntPtr.Zero");
return;
}
int product_id = (int)(new Native.CFNumber(Native.IOHIDDeviceGetProperty(deviceRef, Native.CFSTR(Native.kIOHIDProductIDKey)))).ToInteger();
int vendor_id = (int)(new Native.CFNumber(Native.IOHIDDeviceGetProperty(deviceRef, Native.CFSTR(Native.kIOHIDVendorIDKey)))).ToInteger();
int location = (int)(new Native.CFNumber(Native.IOHIDDeviceGetProperty(deviceRef, Native.CFSTR(Native.kIOHIDLocationIDKey)))).ToInteger();
string transport = (new Native.CFString(Native.IOHIDDeviceGetProperty(deviceRef, Native.CFSTR(Native.kIOHIDTransportKey)))).ToString();
string path = String.Format("{0:s}_{1,4:X}_{2,4:X}_{3:X}",
transport, vendor_id, product_id, location); //"%s_%04hx_%04hx_%x"
lock (syncRoot) {
if (!__Generics.ContainsKey(path))
{
return;
}
HIDDevice hidDevice = __Generics [path];
Generics.Remove(path);
Debug.Log("Device " + hidDevice.index + " PID:" + hidDevice.PID + " VID:" + hidDevice.VID + " Disconnected");
}
Debug.Log("Try to unshedule,unregister and close device");
Native.IOHIDDeviceUnscheduleFromRunLoop(deviceRef, RunLoop, InputLoopMode);
Native.IOHIDDeviceRegisterInputValueCallback(deviceRef, IntPtr.Zero, IntPtr.Zero);
Native.IOHIDDeviceRegisterRemovalCallback(deviceRef, null, IntPtr.Zero);
Native.IOHIDDeviceClose(deviceRef, (int)Native.IOHIDOptionsType.kIOHIDOptionsTypeNone);
this.DeviceDisconnectEvent(this, new DeviceEventArgs <string>(path));
}
