[IAEP] [support-gang] XO-4 Questions After Viewing CES video
pgf at laptop.org
Fri Jan 11 19:32:10 EST 2013
> On 11.01.2013, at 05:22, Paul Fox <pgf at laptop.org> wrote:
> > bert wrote:
> >> On 10.01.2013, at 21:19, John Watlington <wad at laptop.org> wrote:
> >>>> More recent versions of the XO-4 touchscreen firmware should allow
> >>>> a many-finger keyboard. I hope someone with an XO-4 is working
> >>>> on a demo!
> >> Oh, I must have missed the announcement. How is the raw touch data
> >> exposed?
> > sorry! a few releases of the touchscreen firmware ago, the max number
> > of touches quietly went from 2 to 4. full positioning is still only
> > accurate with just 2, but the touchscreen will attempt to keep track
> > of 4 if they're separable in at least one axis. so there's nothing
> > special for a program to do (i.e., no raw data to fetch).
> > i haven't experimented with the feature much, but gonzalo has the
> > beginnings of a nice little piano playing activity floating around
> > somewhere.
> Ah, it does work indeed, see screenshot at
for well-placed touches only. :-) (i'm actually a little surprised
that that screenshot worked.)
> - Bert -
paul fox, pgf at laptop.org
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