STM32 MCUs TouchGFX and GUI

Discuss STM32 and TouchGFX implementations, including configuration, debugging, and optimization.

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Forum Posts

TouchGFX CONTEST RESULTS: Congratulations!!

Hello community!On March 18, we launched a TouchGFX Contest that had for goal for us to see our community's skills and creativity. This contest ended on May 2.We received several interesting projects, and it is now time to announce the winners! Our h...

TouchGFX documentation feedback

We wish to always improve our documentation. The best reviews and critics always come from the people that read it, so we would like to use this post to collect your thoughts and feedbacks. Please share what you like, dislike, what you think is missi...

Share your Custom Widgets!

When creating a UI project, you may need widgets that are not part of the TouchGFX library. To create your own graphical element, the TouchGFX team suggests using the Custom Container approach. Since TouchGFX 4.20 it is possible to export and import ...

Resolved! Example of a ClickListener?

How does this work with a ClickListener?I have a view with 10 custom containers. How can I tell the view when a custom container has been pressed and which one? Do you have a simple example?ThanksRegards, Roger

Roger.ch by Associate III
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Feature request: Export base magic numbers

When building a Widget or Custom Container, could it be possible to define values that can be used in the base and inherited class?Things that are in the base constructor.Coordinates, colours, Bitmaps_id, ...Predefined coordinates in Designer for whe...

Marc_LM by Senior
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  • 1 replies
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TouchGFX Simulator Black background

Hi, I have encountered a new problem. When I run the simulator of my program, the simulator has a black background. But all the buttons keep their functionality and I can navigate through my designed sheets. I have updated my computer to Windows 11 a...

Screenshot 2025-07-31 085505.png
Alx237 by Associate II
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  • 1 replies
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Color input format of HAL_DMA2D_Start()

What should be the color input format for hal_dma2d_start()?According to the function definition, it seems that only ARGB8888 format colors can be inputted.static void DMA2D_SetConfig(DMA2D_HandleTypeDef *hdma2d, uint32_t pdata, uint32_t DstAddress, ...

TouchGFX + GPU2D not working on STM32U5

Hi everyone,I'm using TouchGFX on a STM32U5G9 microcontroller and got stuck while trying to enable GPU2D (aka NeoChrom).The starting and working configuration is TouchGFX + LTDC + DMA2D. Everything works properly: the signalVSync function of the OSWr...

scottg by Associate II
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  • 12 replies
  • 1 kudos