error disabling touch; cannot open display

[jasper77]

When I try to run this as "sudo ./AR100 -m -c 25" on Raspian Buster v4.19.75-v7+ I get the following:

Connected to AR1100 as generic HID
Error disabling touch!
Calibrating 25 points.

(AR100:12003): Gtk-WARNING **: 12:19:00:374: cannot open display:

I made it with DEBUG=1 and ran it again:

Connected to AR1100 as generic HID.
Sending cmd 0x13
USB tx 64:
55 01 13 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

Result 0
USB rx 64:
55 02 fc 14 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

COMMAND response: 252
Error disabeling touch!
Calibrating 25 points.
Sending cmd 0x14
USB tx 64:
55 02 14 03 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

Result 0
USB rx 64:
55 02 00 14 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

COMMAND response: 0

[tom-2015]

Are running the tool remote from putty/ssh or directly on the pi?
Must run it in a command window on the desktop screen of the pi because it needs the screen to show calibration points.

[jasper77]

Yes, on a shell directly on the desktop. This is on a system that had previously been calibrated using an older version of the utility on an old Jessie image. Actually, two such systems.

[tom-2015]

Which Raspberry are you using 3 or 4?

[jasper77]

Raspberry Pi 3

[tom-2015]

what do you get if you type:

sudo su
echo $DISPLAY

Try adding

Defaults env_keep=DISPLAY

to /etc/sudoers

[jasper77]

It returns the following: :0.0 I tried adding that line in /etc/sudoers and rebooting; the behavior is unchanged.

[SanitysObituary]

Hey I'm hitting the same wall as you with this AR1100, did you ever get this working?

[jasper77]

No change on my end. Any update, Tom?

…

On Fri, Jul 10, 2020 at 11:18 PM SanitysObituary ***@***.***> wrote: Hey I'm hitting the same wall as you with this AR1100, did you ever get this working? — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#7 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAH22JMXA7ZQZV3XLIZA7RDR27KXPANCNFSM4KRSB6LA> .

[tom-2015]

Not yet because I was not able to reproduce the problem :(

[tom-2015]

Maybe you can try this version reworled made with GTK3 instead of GTK2?

https://github.com/reworled/ar1100