Re: [RFC PATCH 0/3] bluetooth/gnss: GNSS support for TiWi chips

[Andreas Kemnade <andreas@kemnade.info>]

On Mon, 27 Nov 2023 08:03:24 -0600
Adam Ford <aford173@gmail.com> wrote:

> On Sun, Nov 26, 2023 at 1:47 PM Andreas Kemnade <andreas@kemnade.info> wrote:
> >
> > Some of these chips have GNSS support. In some vendor kernels
> > a driver on top of misc/ti-st can be found providing a /dev/tigps
> > device which speaks the secretive Air Independent Interface (AI2) protocol.
> > Implement something comparable as a GNSS interface.
> >
> > With some userspace tools a proof-of-concept can be shown. A position
> > can be successfully read out.  Basic properties of the protocol are
> > understood.
> >
> > This was tested on the Epson Moverio BT-200.  
> 
> Can you tell me which WiLink chip this uses?
> 
> I'd like to try it on the WL1283, but I want to understand which
> WiLink chips you're targeting.
> 
I think, it is a WL1283 here, too.

If you want to play around with it now:
- set the devicetree node name to bluetooth-gnss
- for testing you can use the read-gps program at https://github.com/akemnade/bt200tools

Regards,
Andreas