[BRLTTY] New HID USB standard for braille displays?

Samuel Thibault samuel.thibault at ens-lyon.org
Mon Jun 4 07:11:10 EDT 2018


Samuel Thibault, le jeu. 31 mai 2018 18:41:31 +0200, a ecrit:
> Jason White, le jeu. 31 mai 2018 12:05:27 -0400, a ecrit:
> > Does anyone on this list have further details of the following?
> > https://www.theverge.com/circuitbreaker/2018/5/31/17413178/apple-microsoft-google-usb-universal-standard-braille-displays
> 
> I don't know.
> 
> > Is BRLTTY expected to support it?
> 
> The current version won't support it, but it's then a matter of
> implementing the support.
> 
> > It isn't clear to me what is standardized, as the features of displays differ,
> > making it hard to create a common protocol.
> 
> That's what I fear: they'll either take the common denominator, which
> means reducing the available features, or they'll take the union of
> features, which means a complex standard.

The seemingly proposed standard
(http://www.usb.org/developers/hidpage/HUTRR78_-_Creation_of_a_Braille_Display_Usage_Page.pdf)
is... 13 pages long.
It does contain a few things, but not so much. Enough to get things
going, though.

Samuel


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