Re: Getting touchscreen to work on Fujitsu B6210

[Richard Purdie <rpurdie@rpsys.net>]

On Thu, 2007-04-05 at 22:27 -0400, Dmitry Torokhov wrote:
> > > On Thursday 22 February 2007 01:16, Stephen Hemminger wrote:
> > > > I did a little investigation and the touchscreen on B6210 is
> > > > attached via the 8250 serial port. I tried enabling it with
> > > > inputattach but seem to get garbage.
> > > > 
> > > > I can extract the initialization code from the evtouch driver
> > > > to a usermode program and read information from /dev/ttyS0.
> > > > 
> > > > The lifebook psmouse extension won't work because it tries
> > > > to grab the 8042 (touchpad) rather than the touch screen.
>
> Could ypou please load evbug module or run evtest utility and
> verify that the driver produces reasonable events?
> 
> > Do I need an Xorg driver for it? 
> 
> Mousedev (i.e. /dev/input/{mouseX|mice} will provide crude
> emulation of normal mouse; there is evtouch X driver that
> should work better. You may also try evdev X driver from
> recent releases of x.org; as far as I know they want it to
> supesede evtouch eventually.
> 
> There are also solutions based on tslib library that allows
> touchscreen calibrating, etc. but I am not familiar with it
> so I am CCing Richard Purdie.

http://tslib.berlios.de/

It has some test routines (ts_print, ts_test) and a calibration routine
(ts_calibrate) which should let you see what's going on. I've found them
invaluable for testing kernel touchscreen drivers.

Regards,

Richard