Dell S2240T Touch Screen

gzcwnk
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24 Feb 2016 00:01 - 24 Feb 2016 01:25 #70545 by gzcwnk

Replied by gzcwnk on topic Dell S2240T Touch Screen

Just built a setup with a Dell 780 and a dell P2314T xinput --list does not list the screen like RHEL7 does

Fault finding seems to suggest that the problem is with the kernel and we cant change the kernel?

Off to try Debian 7.9 i386 install method.

Last edit: 24 Feb 2016 01:25 by gzcwnk.

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gzcwnk
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08 Mar 2016 00:26 - 08 Mar 2016 00:27 #71194 by gzcwnk

Replied by gzcwnk on topic Dell S2240T Touch Screen

I have played with linuxcnc and Debian 7.9 and neither detect a touchscreen. RHEL7 and debian 8.3 livecd works no problem on boot. So my conclusion is you have to wait for linuxcnc to move to a newer kernel but probably for linuxcnc to move to Debian 8.3 or newer.

Last edit: 08 Mar 2016 00:27 by gzcwnk. Reason: typos

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andypugh
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08 Mar 2016 14:45 #71223 by andypugh

Replied by andypugh on topic Dell S2240T Touch Screen

You might be able to install a separate driver. On a previous installation (a long time ago) I needed to install egalaxtouch.

I am not saying that these are the right drivers for your screen, but it sounds like you don't have much to lose from trying:
www.eeti.com.tw/drivers.html

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gzcwnk
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09 Mar 2016 21:41 #71290 by gzcwnk

Replied by gzcwnk on topic Dell S2240T Touch Screen

Possibly but given what the OS and software is controlling ie a spindle at 20,000rpm I am not going to start messing with it too much, I think I have reached my safety limit.

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andypugh
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10 Mar 2016 15:17 #71339 by andypugh

Replied by andypugh on topic Dell S2240T Touch Screen

gzcwnk wrote:
Possibly but given what the OS and software is controlling ie a spindle at 20,000rpm I am not going to start messing with it too much, I think I have reached my safety limit.

I would not anticipate any problems with the realtime control to be caused by installing a touchscreen driver. It will either work with your screen or it won't.

I can confirm that I have a machine running the egalxtouch driver and it has been running for several years with no problems.

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