Color Frame Buffer Start Address missing.
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‎2025-05-08 3:03 AM - edited ‎2025-05-08 3:07 AM
Hello STM-Community.
I am currently working on some project with the "LIZARD Board" from Actron and a 800*480 LCD-screen.
I followed the Instruction in https://support.touchgfx.com/docs/development/board-bring-up/how-to/03-display-internal
and also other "tutorials" but wasnt able to get it to work.
Now i finally noticed that the "Color Frame Buffer Start Address" in LTDC is missing...
I have no idea why that is the case and if this a bug in CubeIDE v.1.17.0 or something on my side.
Does anyone know what to do?
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‎2025-05-08 6:18 AM
Hello @JanzTec-JP ,
How do you figure that the color frame buffer in LTDC is missing?
Can you look at the STM32U5G9J-DK2 TBS and compare it to your project? The STM32U5G9J-DK2 is also using LTDC, you can just change from double to single framebuffer in STM32CubeMX.
Regards,
Software engineer at ST (TouchGFX)
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‎2025-05-08 6:18 AM
Hello @JanzTec-JP ,
How do you figure that the color frame buffer in LTDC is missing?
Can you look at the STM32U5G9J-DK2 TBS and compare it to your project? The STM32U5G9J-DK2 is also using LTDC, you can just change from double to single framebuffer in STM32CubeMX.
Regards,
Software engineer at ST (TouchGFX)
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‎2025-05-13 10:56 PM
Hello @GaetanGodart
I updated STM32CubeIDE to the latest version 1.18.1 and this bug resolved itself.
The missing entry instantly appeared after i migrated my project to this version and opened the .ioc to check.
I still dont know what caused this but it seems fixed now.
Thank you for your suggestion!
With best regards,
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‎2025-05-14 1:22 AM
Hello @JanzTec-JP ,
I am glad you found the solution!
Don't hesitate to create another thread if you have a specific question.
Regards,
Software engineer at ST (TouchGFX)
