On Wed, Aug 15, 2012 at 10:19 AM, Wayne E. Van Loon Sr. <w...@pacifier.com>wrote:
> Russell Senior wrote: > >>>>>> "Wayne" == Wayne E Van Loon <w...@pacifier.com> writes: > >>>>>> > > > > Wayne> Anybody successfully or unsuccessfully interfaced a touch > > Wayne> screen to a Linux box (non laptop). > > > > I am sure *someone* has, since all android phones are non-laptop linux > > boxes. ;-) > > > > Which touch screen are you looking at? > > > > I have not selected one yet. My thought was to see if there was one that > someone was able to get working without too much of a hassle or what > problems kept them from getting it to work. > > I would kind of like to keep my screen resolution up in the range of > previous projects, 1920 x 1080. I see that Newegg has a few, Planar, HP, > and Viewsonic. None of them claim to be LED backlit. I've had the > florescent backlit screens die and hope that LED backlit would have much > longer life. > > I'm still working on the big picture. There is a kernel module??? Some > sort of changes in xorg.conf??? Most of the information I've come upon > utilizes the UART serial port and XFree86 , I would guess that is out of > date. > > I'd love to know physically how the touch-screen works - what happens > when the screen is touched - what data is transmitted through the USB > connection, etc. Still googling around looking. > > Just saw the response from Scott Garman. Will check that out. > > Thanks > Wayne > > Typically, the touchscreen is run through X, which sees it as a combination of a monitor and mousy thing. You paint stuff on the screen and the touches come back as mouse clicks. Of course, what you really want to do is to use your favorite widget toolkit and it will handle both the painting of the screen and the touchscreen clicks. Ali _______________________________________________ PLUG mailing list PLUG@lists.pdxlinux.org http://lists.pdxlinux.org/mailman/listinfo/plug
