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Beginners • Re: Making a GUI for the RPI CM 4 connected to a ST7789v TFT, GT911 touch interface

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What the driver does should be clear from the driver source - https://github.com/raspberrypi/linux/bl ... mipi-dbi.c

Sorry, will not google for your display data sheet!

You must be looking at another driver or I have missed the 'rotate' property
https://github.com/raspberrypi/linux/bl ... i-spi.yaml

If you want to rotate you can achieve that from the TCON register settings (example given here viewtopic.php?t=355870&hilit=St7789&start=25#p2145763) or simply use screen configuration editor

Why don't you know the size of your active area? Strange ... Because https://github.com/raspberrypi/linux/bl ... i.yaml#L83

Use a dedicated name for your display .bin file! Overwriting the default may cause you issues! There is an override for that! Replace 'myfreakypanel' with the name of your .bin file

Code:

dtparam=compatible=myfreakypanel\0panel-mipi-dbi-spi
so if your bin file is called 4in.bin this translates to

Code:

dtparam=compatible=4in\0panel-mipi-dbi-spi

Statistics: Posted by aBUGSworstnightmare — Tue Jan 16, 2024 6:44 am



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