Difference between revisions of "Innovatek TM-868"

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[[Category: Hardware]]
[[Category: Hardware]]
[[Category: Video]]
[[Category: Video]]
[[Category: Displays]]
[[Category: Displays]]

Latest revision as of 16:18, 28 September 2010

Version Status Date Updated Updated By
710 Unknown N/A N/A
810 Unknown N/A N/A
1004 Unknown N/A N/A
1204 Unknown N/A N/A
1404 Unknown N/A N/A
Usage Information

Hardware description

THis is an 8" touchscreen with a resolution of 640x480. It has a VGA, a RCA video, two RCA audio and a USB connector. It works with the eGalax drivers


The installation was pretty easy, since Ubuntu seems to support touchscreens out of the box. However, because the axis were swapped and I had to calibrate that thing I had to manually configure it.

First, download the driver files from http://www.nextabyte.com/support/touchscreen/evtouch-current.tar.gz, after extracting them copy the driver file "evtouch_drv.so" to the input driver directory of xorg (/usr/lib/xorg/modules/input) and than switch to KDE desktop and from xterm run the program "calibrator" from the driver package. After touching the four points on the screen it will output the coordinates you have to add to your xorg.conf. In my case I had to swap the Y-values. This is, what I added to my xorg.conf:

Section "InputDevice"
    Identifier	"TouchScreen0"
    Driver	"evtouch"
    Option	"Device" "/dev/input/touchscreen"
    Option	"MinX" "1925"
    Option	"MinY" "41"
    Option	"MaxX" "97"
    Option	"MaxY" "1721"
    Option	"ReportingMode" "Raw"
    Option	"SendCoreEvents"

and to make the beast work as an input device I added the line about the touchscreen here:

Section "ServerLayout"
    Identifier     "XFree86 Configured"
    Screen      0  "Screen0" 0 0
    InputDevice    "Mouse0" "CorePointer"
    InputDevice    "Keyboard0" "CoreKeyboard"
    # add the following line
    InputDevice	   "TouchScreen0" "CoreTouch"

after reloading the X-server it works like charm...

A word on configuring the output: I ran the AV-Wizard selected VGA, 640x480, 60 Hz and it works fine :)