Re: aximx50 touchscreen

On Sunday, 25. February 2007 21:24:34 Pierre GAUFILLET wrote:
> Patrick Steiner a écrit :
> > i have also build a new image now but ts_calibrate doesnt work for me :-(
> >
> >
> > ts_calibrate
> > xres = 480, yres = 640
> > selected device is not a touchscreen I understand
> > Took 1 samples...
> > Top left : X = 0 Y = 0
> > Took 1 samples...
> > Top right : X = 0 Y = 0
> > Took 1 samples...
> > Bot right : X = 0 Y = 0
> > Took 1 samples...
> > Bot left : X = 0 Y = 0
> > Took 1 samples...
> > Center : X = 0 Y = 0
> > ts_calibrate: determinant is too small -- 0.000000
> > Calibration failed.
> >
> > any ideas whats wrong?
>
> Did you verify to which /dev/input/event<x> the touchscreen is linked ?
> Attached is my config file (kernel 2.6.20-hh1). You should compare this
> one and yours.
>
> > but ts_test outputs something if i push the screen.
>
> ok, so aximx50_ts and ts_adc_debounce at least are loaded.
> Are your sure to have loaded ads7846_adc_ssp ?
>
> Pierre

hi pierre,

touchsceen now works but is unusable, i can calibrate the screen but if i
touch the screen after that there is also a very big offset of about 2cm.

touchscreen0 is linked to event0 there is also a event1 an a ts0 device
in /dev/input/

any ideas how i can fix the problem?

 patrick

-- 
Patrick Steiner | patrick.steiner_at_a1.net
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