unsafe void ReadThread() { if (!HandleAcquire()) { return; } _readRunLoop = NativeMethods.CFRunLoopGetCurrent(); try { var inputCallback = new NativeMethods.IOHIDReportCallback(ReadThreadCallback); var removalCallback = new NativeMethods.IOHIDCallback(RemovalCallback); byte[] inputReport = new byte[Device.GetMaxInputReportLength()]; fixed(byte *inputReportBytes = inputReport) { NativeMethods.IOHIDDeviceRegisterInputReportCallback(_handle, (IntPtr)inputReportBytes, (IntPtr)inputReport.Length, inputCallback, IntPtr.Zero); NativeMethods.IOHIDDeviceRegisterRemovalCallback(_handle, removalCallback, IntPtr.Zero); NativeMethods.IOHIDDeviceScheduleWithRunLoop(_handle, _readRunLoop, NativeMethods.kCFRunLoopDefaultMode); NativeMethods.CFRunLoopRun(); NativeMethods.IOHIDDeviceUnscheduleFromRunLoop(_handle, _readRunLoop, NativeMethods.kCFRunLoopDefaultMode); } GC.KeepAlive(this); GC.KeepAlive(inputCallback); GC.KeepAlive(removalCallback); GC.KeepAlive(_inputQueue); } finally { HandleRelease(); } }
protected override void Run(Action readyCallback) { using (var manager = NativeMethods.IOHIDManagerCreate(IntPtr.Zero).ToCFType()) { RunAssert(manager.IsSet, "HidSharp IOHIDManagerCreate failed."); using (var matching = NativeMethods.IOServiceMatching("IOHIDDevice").ToCFType()) { RunAssert(matching.IsSet, "HidSharp IOServiceMatching failed."); var devicesChangedCallback = new NativeMethods.IOHIDDeviceCallback(DevicesChangedCallback); NativeMethods.IOHIDManagerSetDeviceMatching(manager.Handle, matching.Handle); NativeMethods.IOHIDManagerRegisterDeviceMatchingCallback(manager.Handle, devicesChangedCallback, IntPtr.Zero); NativeMethods.IOHIDManagerRegisterDeviceRemovalCallback(manager.Handle, devicesChangedCallback, IntPtr.Zero); var runLoop = NativeMethods.CFRunLoopGetCurrent(); NativeMethods.CFRetain(runLoop); NativeMethods.IOHIDManagerScheduleWithRunLoop(manager, runLoop, NativeMethods.kCFRunLoopDefaultMode); try { readyCallback(); NativeMethods.CFRunLoopRun(); } finally { NativeMethods.IOHIDManagerUnscheduleFromRunLoop(manager, runLoop, NativeMethods.kCFRunLoopDefaultMode); NativeMethods.CFRelease(runLoop); } GC.KeepAlive(devicesChangedCallback); } } }