Re: [pyusb-users] Reading data from 3DConnexion SpaceMouse Wireless

[Xiaofan C. <xia...@gm...>]

On Mon, May 10, 2021 at 11:26 PM Jonas Malaco via pyusb-users
<pyu...@li...> wrote:
>
> On Mon, May 10, 2021 at 02:45:56PM +0100, Bruno Rocha wrote:
> > Hello,
> >
> > I'm developping a solution that needs to read raw data from 3DConnexion
> > SpaceMouse Wireless and then send it via sockets to another application. I
> > was able to do it with the SpaceMouse cabled but I've been unable to do it
> > via the wireless receiver.
> >
> > I seeked help on 3D Connexion forums but everything I managed to get was
> > the following info:
> >
> > The Universal Receiver (UR) can pair up to five wireless devices, each on a
> > separate USB interface. Within each interface, you will find a set of
> > top-level collections (as per the HID specification; these are also known
> > as "application collections"). There's one top-level collection if the
> > interface has no pairing, two if the pairing is for a SpaceMouse and three
> > for a CadMouse type. You're interested in the second case. The two
> > top-level collections (all in the "generic" desktop usage page) consist of
> > a "multi-axis controller" usage collection (ID 0x08) and a "vendor-defined"
> > collection. You want to use the former.
> >
> >  Meanwhile, I've managed to read the data with pywinusb. Pywinusb detects
> > 6/7 devices and one (only one) of them is able to read the data. But I
> > would like to do it with pyusb as I'd also want to be linux supported. Any
> > help will be very appreciated, thank you`
>
> Since those are HIDs, and apparently also (at least partially) compliant
> with that spec, I suggest that you take a look at hidapi before trying
> to recreate it with PyUSB.
>
> https://github.com/libusb/hidapi/
> https://github.com/trezor/cython-hidapi

There is an existing project already. It should work under Windows and Linux.
https://github.com/smartavionics/RawMouse

It already uses cython-hidapi.

It may have some issues with MacOS now.
https://github.com/libusb/hidapi/issues/212

-- 
Xiaofan