On Tue, 30 Sep 2014 11:57:31 +0100
Aurelien Bouin <a_bo...@yahoo.fr> wrote:
> Hello,
>
> Thank you for your answer !!
> It was exactly that ! The only way I had to understand what was wrong with
> the touch was to add weston_log into src/input.c ...
> I feel like weston-calibrator is not really usefull ...
Oh yeah... I can see weston-calibrator would not work at all in a case
where the device coordinates are *so* much off they never even hit the
weston-calibrator's window.
>
> What I actually did to solve my problem was to add a rule to udev into
> /etc/udev/rules.d with this kind of datas inside :
> ATTRS{name}=="ADS7846 Touchscreen", ENV{WL_CALIBRATION}="-0.211380 -0.007522
> 1739.4189 -0.000290 0.143116 -632.012695"
>
> I manually computed thoses 6 datas with the /etc/pointercal generated by
> tslib ...
> FYI =>
> Supposing in /etc/pointercal you have those 9 variables :
> a b c d e f g h i
> Then the 6 variables to set are ENV{WL_CALIBRATION}="a/g b/g c/g d/g e/g f/g"
>
> Hope it will help someone...
That's a good find. We would really need some way to calibrate
even when the device coordinates are really wild.
Thanks,
pq
>
> Now I am trying to make GTK+3 working with touchscreen with wayland backend
> since it has not been supported in the 3.12 ...
>
> Thank you again for the time !
>
> Aurelien BOUIN
>
>
>
> Le Mardi 30 septembre 2014 12h24, Pekka Paalanen <ppaala...@gmail.com> a
> écrit :
>
>
>
> On Wed, 24 Sep 2014 16:59:44 +0100
>
> Aurelien Bouin <a_bo...@yahoo.fr> wrote:
>
> > Hello,
> >
> > I am using weston-1.6.0 with wayland-1.6.0 libinput-0.6.0 compiled for ARM
> > with yocto
> > When I start weston I can see that the touch is detected in the logs :
> > """[13:28:20.166] input device 'ADS7846 Touchscreen', /dev/input/event0 is
> > a touch device """
> > Here is the complete log : http://pastebin.com/raw.php?i=dHjWSH16
> > But I am unable to get a launcher launch ... or weston-calibrator do not
> > detect a touch ...
> >
> > What is wierd though is that when weston goes to screensaver ... when I
> > touch the screen it wakes up ...
> > I can see event with event-debug the tools of libinput ...
> > I tried export WAYLAND_DEBUG=1 ... I am sure that debug is enable since
> > there is a bunch of messages at start up ... but i get nothing on touch
> > event ... when I plug a mouse then I get event when the mouse is moving ...
> >
> >
> > Where should I look to ?
>
> Hi,
>
> maybe the coordinates are somehow completely off... you could try
> adding weston_log() in src/input.c notify_touch() to print the
> coordinates (use e.g. wl_fixed_to_int()).
>
> If the coordinates do not hit any surface, you won't see them in the
> protocol debug either.
>
>
> Thanks,
> pq
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