Touchscreen problem

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18 Aug 2019 00:08 - 18 Aug 2019 00:09 #142411 by Toolman321
Touchscreen problem was created by Toolman321
Hello

I am using the gmoccapy gui with a touch screen, I went into the display settings in gmoccapy and ticked the box to hide cursor, and now my touchscreen doesn’t work at all.

Maybe it’s coincidental and it simply stopped working but I was wondering if the hide cursor setting maybe caused the problem? Is there any way I can get it to work again please

Many thanks
Last edit: 18 Aug 2019 00:09 by Toolman321.

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19 Aug 2019 17:53 #142511 by pl7i92
Replied by pl7i92 on topic Touchscreen problem
the touchscreen is acting as a mouse
so to hide the mouse is not the best to go
you can give it a transparancy if you do not like to show it
axis_tcl

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19 Aug 2019 19:06 #142516 by Toolman321
Replied by Toolman321 on topic Touchscreen problem
After some thought and testing it doesn’t look like the hide cursor button is my problem. After a reboot the touchscreen works, but seems to turn off completely after a few minutes. I’m not sure what could be causing this.

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19 Aug 2019 19:43 #142517 by tommylight
Replied by tommylight on topic Touchscreen problem
What monitor ?
Some older USB 1.1 equipment has problems working on USB 2 ports. Never noticed that on USB 2 vs 3, but who knows.
Do you happen to have an old 1.1 USB HUB to test with it ?
For now paste the output of
lsusb
In a terminal before and after the failure.
Regards.

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19 Aug 2019 20:23 - 19 Aug 2019 20:24 #142518 by Toolman321
Replied by Toolman321 on topic Touchscreen problem
I just had a chance to mess about with some things to see I could remedy the problem,
I tried lsusb but the command was not found, I tried apt get install usbutils but I didn’t work but that may be because my machine is not connected to the internet.

I tried dmesg this gave me the number for the touchscreen (2-1) which is a 3m MicroTouch ex11.
So I tried
echo -1 > /sys/bus/usb/devices/2-1/power/autosuspend
But that didn’t work due to permission denied iirc.

I did notice one thing when I did the dmesg command though, it was a warning about power level depreciated, use power control instead.
I’m also using a temporary usb extension lead, I know that I’ve had power issues before when using these.
Last edit: 19 Aug 2019 20:24 by Toolman321.

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19 Aug 2019 22:27 #142521 by tommylight
Replied by tommylight on topic Touchscreen problem

So I tried
echo -1 > /sys/bus/usb/devices/2-1/power/autosuspend
But that didn’t work due to permission denied iirc.


that should be
sudo echo -1 > /sys/bus/usb/devices/2-1/power/autosuspend
The following user(s) said Thank You: Toolman321

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23 Aug 2019 20:10 #143003 by Toolman321
Replied by Toolman321 on topic Touchscreen problem
In dmesg I saw something about possible emi causing the thing to keep shutting down, it would make some sense as the usb runs right past a dc spindle drive on my very messy test bench, I have moved the wire and the problem appears to have gone.

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23 Aug 2019 21:26 #143015 by tommylight
Replied by tommylight on topic Touchscreen problem
Most new cheap USB cables have no shielding at all, some do have it but not connected to anything, so not much use.
The older ones work perfectly but i am running low on stock !
I use a lot of new ones to power things from USB, so i cut one side and the wires used are pittyful !

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