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 ...

Why can't get adress of 2x16 LCD in Cube IDE?

Hi every one. I am using STM32-F401RE, 2x16 LCD with I2C integrate, i connect SCL-SDA-Vcc and GND each other (board and LCD), i tried to make scann program to know adress of LCD in this way:#include "main.h"#include "stdio.h"I2C_HandleTypeDef hi2c1;U...

SMusc.1 by Associate III
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  • 10 replies
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Resolved! undeclared (first use in this function)...

Hello, I am going crazy, I always get the error that the structure Lcd_Ctx is not declared, while it is clearly declared (by including "stm32h750b_discovery_lcd.h"). With F3 I can find the structure declaration.If I change the file from .c to .cpp th...

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pk84 by Senior
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  • 18 replies
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Why does model::tick() not getting called?

I found out that LTDC interupt callback is not getting called but can't figure why. Following code is auto generated by CubeMX LTDC interrupt is enabled in NVIC."TouchGFXGeneratedHAL.cpp"extern "C" { void HAL_LTDC_LineEventCallback(LTDC_HandleTyp...

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manto.1 by Senior
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  • 1 replies
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Scrollable text

Hello, Is it possible to know scrollable text coordinate? I want to do editable text in keyboard and by touch I know where the cursor needs to be. When I touch somewhere in the text I know touch coordinate but I need to know scrollable text coordinat...

heyo by Senior
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  • 2 replies
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Resolved! TouchGFX: How to enable an external data reader?

I am implementing a low cost custom TouchGFX project using a stm342G071 and an ILI9488 based display. For the ILI9488 driver I need the touchGFX framebuffer in RGB888 format.This works ok if I keep the image data in internal flash but I need to put ...

TMack.1 by Associate II
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  • 1 replies
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How to set Y-Axis Labels scale?

Hi All,I have a question about dynamic graph widget in TouchGFX.How can I set different scale for Y-Axis labels?For example, I have data values that goes from 0 to 20000 so I set the Value Range from 0 to 20000. But I want to display Y-Axis labels fr...

nikof by Associate II
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  • 3 replies
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