touch screen driving me nuts!

[Lorn Potter]

-stacy wrote:
> My wife would argue that it is more of a putt than a drive... however,
> my touchscreen is having some serious issues.
> 
> To demonstrate the problem, I created a 480x640 image with seven
> straight lines running across the screen, I installed mtpaint on my
> freerunner and attempted to trace the (blue) reference lines in red (I
> used a straight edge, so this isn't just my normal inability to draw a
> straight line freehand). I made three passes over each line to show the
> repeatability. The result is here:
> 
> http://www.millions.ca/~stacy/neoFreeRunner/touchscreen.png
> 
> 
> with window decoration etc, the top line is not visible so there are no
> trace lines for it.
> 
> Trying to dial a phone number or use the on screen keyboard is an
> exercise in frustration.
> 
> Anybody have any suggestions for what the problem might be or what else
> I could do to try and debug this?
> 

Have to tried to calibrate the touchscreen? I think its called 
xcalibrate, or you can use ts_calibrate from the commandline without X, 
or Qtopia has a calibrate application.

Try that, and if it still as wonky, I would say the digitizer is broken.



-- 
Lorn 'ljp' Potter
Software Engineer, Systems Group, Trolltech, a Nokia company