- IOHIDManagerRegisterDeviceMatchingCallback(_manager, add_callback, (__bridge void *)self);
- IOHIDManagerRegisterDeviceRemovalCallback(_manager, remove_callback, (__bridge void *)self);
- [self.delegate hidManagerDidStart:self];
+ IOHIDManagerRegisterDeviceMatchingCallback(_manager, _add, (__bridge void *)self);
+ IOHIDManagerRegisterDeviceRemovalCallback(_manager, _remove, (__bridge void *)self);
+ [self.delegate HIDManagerDidStart:self];