Touchscreen not functioning

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Alfarotti
Posts: 1
Joined: Thu Sep 12, 2024 7:27 pm
Real Name: Mark Guerin

The output from cat /proc/bus/input/devices correctly identifies the touchscreen I'm using, Waveshare WS170120, and links it to the correct input handler "event3" for the touchscreen. But I get no response from the touchscreen using the QLCPlus image. If I swap back to my regular RPI SD then all is ok. There is no difference in the config.txt files either.
This must be a QT/QLCPLUS setting problem. Can you help please.
Best regards
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GGGss
Posts: 3145
Joined: Mon Sep 12, 2016 7:15 pm
Location: Belgium
Real Name: Fredje Gallon

Welcome to the community,

A touchscreen mimics a mouse pointer. When it is reachable at your O.S., it should be reachable in the QLC+. Am I making a mistake here by stating that?

Wait wait - you are saying the QLC+ official SD-image is __not__ working?
Did you follow the manual? There are specifics on how to enable touchscreens to work ... Did you study the accompanying .pdf?
All electric machines work on smoke... when the smoke escapes... they don't work anymore
Peetem
Posts: 20
Joined: Tue Oct 15, 2024 11:19 pm
Real Name: Patrick

There are some functions that I cannot access via my touchscreen - I have to switch over and use my wireless mouse pad.

That's why I couldn't understand how to load projects on my Pi (another thread). I couldn't access the "Design Mode" button. When I switched to using the mouse, I could access it (and some other features).
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GGGss
Posts: 3145
Joined: Mon Sep 12, 2016 7:15 pm
Location: Belgium
Real Name: Fredje Gallon

Then, you should calibrate your screen .... I don't know how this has to be done.
All electric machines work on smoke... when the smoke escapes... they don't work anymore
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