STM32 MCUs TouchGFX and GUI

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

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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 ...

STM32L152V8 and LCD_CAPA and external decoupling

Posted on December 21, 2015 at 17:37I have an STM32L152V8 running a large LCD using 1/4 bias and 1/4 duty. It works, but needs a little capacitive decoupling on the bias rails. I am using eternal decoupling pins PA0, PA2 and PA12, have enable extern...

crew by Associate
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STemWin: using GUI_X_Warn() and GUI_X_ErrorOut()

Posted on February 25, 2014 at 16:34I'm using the STemWin522_CM4_OS_GCC library on a STM32F407 board (our own, testing on a 3240g EVAL).   I have a problem using the precompiled library. It should be possible to define the functions GUI_X_Warn() and...

pertti by Associate II
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Numeric keypad with STM32F429I-Disco guidance

Posted on December 20, 2015 at 00:09I am exploring STM32F429I-DISCO with touchscreen LCD. I am interested in creating a numeric keypad that can take inputs (and store the values). Preferred tools I would like to understand more are SW4STM32 & emWi...

selmesal by Associate II
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stemWin GUI_BMP_DrawEx Hardfaults

Posted on December 15, 2015 at 20:15Hi everyone, I'm trying to display an image from SD card on a display 800x480px. My image have the same size. I can read and write files from the SD card, so that part is no problem. I can also use stemWin to disp...

oe2 by Associate III
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STM32F429 LTDC Sends incorrect pixel data to LCD

Posted on October 13, 2015 at 20:41Hello,I'm working on a problem that's brought me to a bit of a standstill.  I have a controller-less LCD connected to an STM32F429.  I'm also using an external SRAM device at address 0x64000000.My first try began w...

ralphj by Associate II
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How to handle touch and drawing simultaneously ?

Posted on December 01, 2015 at 07:34I have attached my controller code (Controller used is STM32F429ZI.. STM32F4 discovery board with EMWIN).CreateWindow() creates a window which has a button with the name ''Inital''. Child window is created with WM...