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Hello all,
I'm implementing a kernel resident touchscreen device driver and am having difficulty getting OS X to register pressure values. I've tried dispatchAbsolutePointerEvent from both IOHIPointing and from the HIDEventDriver. It fails to register touches or pen input completely in IOHIPointing which is really baffling. And from the HIDEventDriver, it registers positional input, but not pressure. I've logged it so I know the values are valid and are getting where they need to be, the pressure values just aren't being recognized. Any advice? Thanks in advance!