STM32 MCUs TouchGFX and GUI

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

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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 ...

Multiple graphs in swipe container

When I put more graphs in a swipe container on distinct pages and try to make a swipe on the graph area, nothing happens, when i do the swipe out of the graph area, it goes to the next page. Does anybody know how can i solve this problem ?

MSecr.1 by Associate III
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  • 5 replies
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I have a STM32H7B3I Eval-board, Keil compiler and emWin. The demo "Hello world" is running just fine when the LCD_LAYER0_FRAME_BUFFER is placer in SDRAM on adr. ((int)0xD0000000). But I want it to run in the SRAM from adr. ((int)0x68000000).

I have maked this changes to make the switch from SDRAM to the SRAM (IS61WV102416BLL) on the Board.#define GUI_NUM_LAYERS 1#define LCD_LAYER0_FRAME_BUFFER ((int)0x68000000)/* Initializes the SRAM device in the Main*/BSP_SRAM_Init(0);But it don’t Work...

SKris.4 by Associate II
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  • 1 replies
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Error: failed to download Segment[0]

So I have a STM32F769I-DISC0 board, and I am trying to write a binary file to it. Originally I was trying to write a binary file that was generated by the touchGFX Designer tool, but now I am simply trying to get the touchGFX example program for this...

CBurk.2 by Associate II
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  • 2 replies
  • 2 kudos

Resolved! Double buffer, one buffer is not updated

I have an application developed using touchGfx 4.13 where we are using a double buffer and it works fine. I have now migrated to touchGfx 4.17 but it seems like the double buffer is not working as expected. When I change from a longer text to a short...

LRose.3 by Associate II
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  • 7 replies
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Resolved! Is DCMI DMA on STM32H743 request 74 or 75?

according to https://www.st.com/resource/en/application_note/dm00373474-digital-camera-interface-dcmi-on-stm32-mcus-stmicroelectronics.pdf sec 4.4.3, it says request 74. But according to the reference manual https://www.st.com/resource/en/reference_m...

LKan.1 by Associate II
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Resolved! Float wildcard precision limited to 6 digits ?

Hi,I try to display a float with a precision of 9 number after the digit. My wildcard buffer size is set to 20.Unicode::snprintfFloat(textArea1Buffer, TEXTAREA1_SIZE, "%.9f", 0.123456789f);   textArea1.invalidate();My output when running the simulato...