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UX17 touchscreen howto
all credit to Pete B for getting the touch screen working.Here's the resulting "howto"
VAIO UX17
This little sucker was supported pretty well out of the box with Ubunty Dapper Drake.
The machine was booted off a USB CD-ROM, and brought up an X desktop and the GUI Installer was run from there.
The Windows XP partition was resized, and The system installed without a hitch.
At this point, the only functionality required that was not supported was the touchscreen and WPA wireless
Touchscreen
The GUNZE touchscreen device on the VAIO was easily supported since the kernel has an input layer driver for these devices.
Initially, 'modprobe evdev' was used, but to ensure touchscreen operation upon reboot 'evdev' was added to /etc/modules. This may not even be necessary.
The touchscreen input-layer device must then be found by examining the output of 'cat /proc/bus/input/devices' - which showed the touchscreen adding events to /dev/input/event1.
If it is not clear, simply cat each of the 'eventX' devices in the /dev/input directory e.g. 'cat /dev/input/event1', while tapping the screen to see which one produces output (it will just look like garbage scrolling up your terminal window).
Once you have found the event device, you need to get a driver for X-Windows that can use the event interface. Since the event interface is actually pretty standard, more or less any touch screen driver for X that uses it will work.
The driver i used is available here:
http://ariescomputing.com/lifebook/
(I used the 1.0.1 version - the tarball contains a binary module which works fine on Xorg - just copy the usbtouch_drv.o to /usr/lib/xorg/modules/input/ on dapper - on other distros the X11 modules directory may be different.)
That page also has plenty of good info.
and the configuration I used is below (add the InputDevice section, and modify the ServerLayout section in /etc/X11/xorg.conf:
Section "InputDevice"
Identifier "touchscreen"
Driver "usbtouch"
Option "Device" "/dev/input/event1"
Option "DeviceName" "touchscreen"
Option "ReportingMode" "raw"
Option "SendCoreEvents"
Option "MinX" "39"
Option "MinY" "53"
Option "MaxX" "989"
OPtion "MaxY" "972"
EndSection
Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
InputDevice "stylus" "SendCoreEvents"
InputDevice "cursor" "SendCoreEvents"
InputDevice "eraser" "SendCoreEvents"
InputDevice "Synaptics Touchpad"
InputDevice "touchscreen" "CorePointer"
EndSection
The touchpad sends events nominally between 0,0 and 1000,1000, but for precise calibration, run X -verbose 9 (i ran this from an ssh session to the device from another terminal so the X display didnt obscure the debug output) and observe the values being output by the driver as you move the stylus from top-left to bottom right - note down the min/max values and tweak accordingly.
This should give a happily working touchscreen.
Wireless
THe wireless adpater was detected out of the box, but gnome-network manager was used to get WPA support working. 'apt-get install network-manager-gnome' is all that is required, and then run 'nm-applet' from a terminal, and follow your nose.
Add new comment
Re: UX17 touchscreen howto
Submitted by Gino on Tue, 2007-07-24 13:04.
Thank you a MILLION times for those instructions!!!
I have been trying to get my touchscreen working on my Sony UX280P running Slackware forever now.
The key to my success from your directions was to use the usbtouch drivers as opposed to the evdev drivers (which made X crach 34567890 times).
reply
hi, im a newbie. and i
Submitted by Anonymous on Sat, 2007-07-28 10:42.
hi, im a newbie. and i installed ubuntu on my u750p and run gunzee touchscreen using the ame confg. but my device is different from ux17. you mentioned to calibrate using x-verbose. Can you please show step by step how to run and get the x and y min max??? thanks - chris
reply
Re: Re: UX17 touchscreen howto
Submitted by percy on Fri, 2007-11-09 00:14.
can you post or email me the tuto to install slackware on ux280p, thanks
reply
Well I have been struggling
Submitted by Phoenix on Tue, 2007-11-20 16:00.
Well I have been struggling to get the touchscreen working on my UX390N using the evtouch driver. I wanted to try the usbtouch driver that you mentioned above, but the link seems to dead-end at their home page without any links to where I can download this. Can I get your copy or a pointer to somewhere else that I can download this? Thanks!
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touch screen