Pi 4 with Pi Touch Display
- KenSea
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24 Nov 2024 03:22 - 24 Nov 2024 03:24 #315160
by KenSea
Pi 4 with Pi Touch Display was created by KenSea
I was typing up a post to ask for help getting LinuxCNC 2.9.2 running on a Raspberry Pi 4 B attached to a Raspberry Pi 7 inch Touch Display, when I finally figured out the solution. Thought I'd still make the post for helping others or possibly even future me if I have to rebuild this system one day.
The Pi Touch uses DSI for connecting to a Raspberry Pi and seems LinuxCNC doesn't have the required settings enabled in the config.txt by default. Not really a surprise as its probably an unusual pairing of hardware and OS.
The solution was adding the below text to config.txt
The Pi Touch uses DSI for connecting to a Raspberry Pi and seems LinuxCNC doesn't have the required settings enabled in the config.txt by default. Not really a surprise as its probably an unusual pairing of hardware and OS.
The solution was adding the below text to config.txt
dtoverlay=vc4-kms-v3d
#DSI1 Use
dtoverlay=vc4-kms-dsi-7inch
# Automatically load overlays for detected DSI displays
display_auto_detect=1
Last edit: 24 Nov 2024 03:24 by KenSea.
The following user(s) said Thank You: tommylight
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- tommylight
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24 Nov 2024 22:40 #315193
by tommylight
Replied by tommylight on topic Pi 4 with Pi Touch Display
Thank you for your contribution.
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- JL_90
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31 Mar 2025 14:28 #325404
by JL_90
Replied by JL_90 on topic Pi 4 with Pi Touch Display
Hello, I've the same issue on Rpi5 but your solution do not work completely.
I've on the boot the DSI display working well but after starting, Linuxcnc switch to the HDMI and I do not find anything in the configuration to display on the DSI and on the HDMI.
Do I've miss something ?
I've on the boot the DSI display working well but after starting, Linuxcnc switch to the HDMI and I do not find anything in the configuration to display on the DSI and on the HDMI.
Do I've miss something ?
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