Dell S2240T Touch Screen

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16 Feb 2016 19:22 #70246 by eman5oh
Hello, I purchased a Dell S2240T touch screen monitor to use on a Boss 5 Retrofit. I am running Linux CNC installed from the disk image from this site. I have read other have got this model to work with recent ubuntu distros, can anyone help me get it running and not break Linux CNC in the process? The monitor displays fine, just the touch part does not work.

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17 Feb 2016 03:18 #70272 by cmorley
Replied by cmorley on topic Dell S2240T Touch Screen
pretty much what ever they did to make it work wiht Ubuntu you will have to also do.
The problem may be that now we are using Debian and the packages needed (if there was) my not be available.
Is it a USB connected? Does it not work at all?

Google is your friend on this one I think

Chris M

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17 Feb 2016 13:14 #70285 by eman5oh
Replied by eman5oh on topic Dell S2240T Touch Screen
From what I understand is that it just works in the newest versions of ubuntu but not older ones so I am not sure where to go with this one. Some one asked how to make it work with an older version of ubuntu and it went un answered.

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17 Feb 2016 19:52 #70306 by gzcwnk
Replied by gzcwnk on topic Dell S2240T Touch Screen

From what I understand is that it just works in the newest versions of ubuntu but not older ones so I am not sure where to go with this one. Some one asked how to make it work with an older version of ubuntu and it went un answered.


Linuxcnc 2.7.4?

I suspect linuxcnc might be a bit old. Some quotes,

"I think the usual solution has to do with recognizing the touchscreen as a Wacom device. I don't have any hands-on experience with touchscreen support, however. Unless someone more knowledgeable comes along, I'd suggest Google searching for wacom device support in Ubuntu. "

So run "xinput list" and see if anything comes back. If not, after that dmesg |less and scroll through looking at the USB stuff that is detected. So if anything looks hopeful.

If neither of these shows anything you might well be wasting your time.

If you can see something paste it here and what PC is it connected to? if its a Dell and you do get an output I might root around and see if I can find something similar as we use Dell kit here at work.

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17 Feb 2016 20:25 #70309 by Todd Zuercher
googling Dell S2240T touch screen Debian Wheezy, brought up a couple of hits. Someone out there made it work on a raspberrypie.
github.com/raspberrypi/linux/issues/113
Don't know if you'll be able to make their drivers work, but worth a look.
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17 Feb 2016 22:57 #70317 by gzcwnk
Replied by gzcwnk on topic Dell S2240T Touch Screen
debian wheezy on a laptop so it looks hopeful,

forums.debian.net/viewtopic.php?f=7&t=116628
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18 Feb 2016 17:25 - 18 Feb 2016 17:26 #70346 by eman5oh
Replied by eman5oh on topic Dell S2240T Touch Screen
I will try getting it working via xinput. If that fails I was wondering how hard is to install linux cnc and a realtime kernel on the latest Ubuntu LTS?
Last edit: 18 Feb 2016 17:26 by eman5oh. Reason: typo's

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18 Feb 2016 20:10 #70350 by gzcwnk
Replied by gzcwnk on topic Dell S2240T Touch Screen

I will try getting it working via xinput. If that fails I was wondering how hard is to install linux cnc and a realtime kernel on the latest Ubuntu LTS?


From what I can briefly read Debian 7.9 is as new as you can go (so not debian 8) so it doesnt appear you can use Ubuntu 14.x LTS but 12 32bit, yes its described here, linuxcnc.org/docs/2.7/html/getting-start...etting-linuxcnc.html. My suggestion is if you are going to do you own install stick with Debian the differences are minor but might bite you and if you are "bleeding edge" ie no one else has done it may find yourself on your own. If you dont know what #freenode is go take a look at there are channels like #debian and #ubuntu with ppl on line to try and help most hours of the day and since touchscreens come on many laptops they probably have seen issues before. I have got a Dell p2314t here but I am snowed under for about 2 weeks and my boss would throw a hissy fit if I slapped some more "strange hardware" on my desk right now, LOL. having a touchscreen however looks a great idea so its something I will look at for myself. Please let me know how you are doing with it and I'll try to help if I can to get this sussed. I often hang out on #debian and #ubuntu as well.

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18 Feb 2016 23:46 #70358 by gzcwnk
Replied by gzcwnk on topic Dell S2240T Touch Screen
just came across this, its not in english but you can see the commands,



:woohoo:

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19 Feb 2016 02:53 - 19 Feb 2016 03:03 #70359 by gzcwnk
Replied by gzcwnk on topic Dell S2240T Touch Screen
wiki.archlinux.org/index.php/touchscreen

Eventually got a P1314t going fine but that is in RHEL7 since I was using 2 screens I had to map tot he second

So,

modprobe.d]# xinput --list ⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ Advanced Silicon S.A CoolTouch(TM) System id=9 [slave pointer (2)] ⎜ ↳ DELL DELL USB Laser Mouse id=10 [slave pointer (2)] ⎜ ↳ Dell Dell Wired Multimedia Keyboard id=12 [slave pointer (2)] ⎣ Virtual core keyboard id=3 [master keyboard (2)] ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)] ↳ Power Button id=6 [slave keyboard (3)] ↳ Video Bus id=7 [slave keyboard (3)] ↳ Power Button id=8 [slave keyboard (3)] ↳ Dell Dell Wired Multimedia Keyboard id=11 [slave keyboard (3)] [root@vuwunicossj0001 modprobe.d]

=========
followed by,
=========
[root@vuwunicossj0001 modprobe.d]# xrandr Screen 0: minimum 8 x 8, current 3840 x 1080, maximum 32767 x 32767 DP1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 509mm x 286mm 1920x1080 60.00*+ 1600x900 59.98 1280x1024 75.02 60.02 1152x864 75.00 1024x768 75.08 60.00 800x600 75.00 60.32 640x480 75.00 60.00 720x400 70.08 DP2 connected 1920x1080+1920+0 (normal left inverted right x axis y axis) 509mm x 286mm 1920x1080 60.00*+ 50.00 59.94 1920x1080i 60.00 50.00 59.94 1600x900 59.98 1280x1024 75.02 60.02 1152x864 75.00 1280x720 60.00 50.00 59.94 1024x768 75.08 60.00 800x600 75.00 60.32 720x576 50.00 720x480 60.00 59.94 640x480 75.00 60.00 59.94 720x400 70.08 HDMI1 disconnected (normal left inverted right x axis y axis) HDMI2 disconnected (normal left inverted right x axis y axis) VGA1 disconnected (normal left inverted right x axis y axis) VIRTUAL1 disconnected (normal left inverted right x axis y axis) [root@vuwunicossj0001 modprobe.d]#

=========
and the link,
=========
xinput --map-to-output 9 DP2
=========

I know its not ubuntu but its a start.

I also installed a virtual keyboard "florence"
Last edit: 19 Feb 2016 03:03 by gzcwnk.

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