STM32 MCUs TouchGFX and GUI

Edited by a ST moderator: Please use English language in this community. Thank you ボードは、STM32F746G_DISCOを使用しています。タッチTouchGFXデザイナーにて、データ増減用のボタンを作成し、ボタンクリックでデータを増減する様なソフトウェアを構築しましたが、ボタンクリックに対して反応が遅い現象が出ています。ボタンのクリックに対して、GUI上のボタンは、反応していますが、ソフトウェア上の処理がなされない事が多い現象が出ています。どの様な原因が考えられるでしょうか？お教えください。よろしくお願いいたします。 Translation: I am using the STM32F746G_DISCO board. I created buttons for increasing and decreasing data using TouchGFX Designer, and built software that increases and decreases data with button clicks. However, I am experiencing a slow response to button clicks. The buttons on the GUI respond to button clicks, but the software often fails to process them. What could be the cause of this? Please let me know. Thank you in advance.

Hello everyone,I am currently trying to integrate TouchGFX into an existing STM32 project (an FDCAN master node application), and I am facing several issues.I enabled the TouchGFX generator in STM32CubeMX and configured all required peripherals (LTDC, FreeRTOS, DMA2D, OSPI/HyperRAM, clocks, etc.).I also adjusted the clock configuration to match the display timing.However, after flashing the application, the screen remains completely black.Nothing I have tried so far has made any difference.I have now discovered that the thread I created for the TouchGFX task is never executed, and I have not been able to find the root cause of this.Any hints or guidance would be greatly appreciated.int main(void) { /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /* MCU Configuration--------------------------------------------------------*/ /* Reset of all peripherals, I

I have studied using the STM32F429I-DISC1 board with TouchGFX and can already implement buttons, LEDs, and ADC. However, I have a project that requires using a different LCD that uses the SSD2119. Can I directly replace the LCD, or are there additional parts of the code that need to be modified? Please guide me.

   I use the touchGFX to design a UI interface and have a serial issue for the distortion ,the format of picture is PNG with alpha ,color depth is 32 bit ; Even if i set the parameter on the touchGFX designer as RGB565,no either, alpha is true or ARGB888, no either, alpha is true , the real display effect with the 2.8 inch TFT LCD is not so good as following picture that i have no idea to improve this issue,by the way, the whole frame of LCD window is good to be displaied with R,G,B,white, black;  

Hi ST teams,Currently we use the ScrollList widget to show up to 2000 items and list item is not same properties for all, I have create the custom container to support item can show one of two layout: date title and item info like image bellow: To able detect and show list item with correct layout I have save the item info to list item and detect scroll up/down behavior follow the itemIndex callback from void HistoryView::scrollListUp

Hi,I've recently migrated to TouchGFX v4.25. The changelog seems to indicate that we can now store our texts in an unmapped external flash, for example an SPI flash. When going through the following page of the documentation :https://support.touchgfx.com/docs/development/scenarios/fonts-in-unmapped-flash , it only mentions fonts and not the actual texts. Does the same principle apply to texts as well, or is it not possible to store texts in an unmapped SPI external flash ? Or am i not looking at the right documentation ? Best regards,

Hello everyone,I'm experiencing an issue with TouchGFX 4.25.0 on a custom STM32H7-based board that we develop and sell as an OEM product, and I'm hoping someone can help me understand what might be causing it.Problem DescriptionWhen fonts and texts are configured to be stored in the external NOR Flash memory, we observe undesirable visual glitches and artifacts, particularly affecting text rendering. However, when the same fonts and texts are kept in the internal Flash, everything renders correctly without any issues.Current WorkaroundTo avoid the problem, I've modified the linker script to force FontFlashSection and TextFlashSection into internal Flash, while only ExtFlashSection (for images/assets) goes to external NOR Flash: 

Hello Forum,I’m working with a custom display that uses an ST7789V controller (GRAM) connected via FMC and MDMA.The single framebuffer is located in .RAM2.The microcontroller is an STM32H750.The application (the .text section) runs from QSPI flash, while the internal flash contains only the bootloader.Some widgets (such as TextArea) are rendered correctly, but others (like ToggleButton) appear corrupted.Additionally, the background image shows horizontal line artifacts.Please compare the two pictures:The first image is the expected reference.The second image shows the artifacts — the button is distorted, and the horizontal lines in the background image should

I like my digits to be monospaced so they don't dance, but I want letters to be proportional. I want to use 1 font for this. There are fonts that support this. These are called tabular fonts. They have monospaced digits and support figure space (0x2007) for alignment.There are fonts that support this that are also available in TouchGFX Designer:Segoe UIcalibriTahomaThis works. I wrote some code that replaces leading spaces before digits with digit spaces if the font supports it. This works really well and numbers no longer dance. Alternatively you can right-align a text field. But then you cannot have any text before it or you have to split the text in parts (so printf is not possible anymore and you might as well use two different fonts).Another way is to modify a font (make digits same width and remove kerning for digits, and add figure space). I've done this, but this is a lot of work. And this is not allowed for many fonts (

I'm driving a customized LCD with STM32F469IIT6. However the image was shifted occasionnally. This issue is very hard to reproduce as it occurs 3time max a day. I'm pretty sure that the sync configs are correct. I noticed that the lane byte clock is close to its limit. Is there any advises or instructions ti solve this? I can give you more details about the issue.

Hello,I am unable to connect to TouchGFX version 4.26 to download or access the demo and example projects from the software download section.My system is connected to the internet; however, the application itself does not connect to the server.Please let me know how I can resolve this issue. 

Hello everyoneI joined a somewhat finished project, which has working TouchGFX display using assets saved in external flash memory. The next phase is to enable A/B FW update, meaning that now the assets might end up either in the start or middle of the external flash. Ive been tasked with enabling the program to read the assets at runtime, deciding if they exist in the start or middle using a flag provided by the bootloader. So far, I managed to read Images, Videos, Audio and Texts from the back half of the flash by redirecting pointers with an offset, but im having real difficulties with the generated Fonts. For some reason I cant get it to work. My strategy is to intercept the GFX getFont function by a new class inheriting ApplicationFontProvider, but I simply cannot get it to work. Currently I dont think I even managed to connect it properly and I dont think the code even run through it.Is there some sort of example someone made for this scenario? Would greatly

Hello,I'm integrating the custom TouchGFX application with the SPI display on the custom hardware.Used MCU is the STM32WB55 display is based on the SSD1357, connected with the SPI.The application seem to hang during rendering of the first frame after the first vsync is called.This is the traceback:touchgfx::LCD16bpp::TextureMapper_L8_RGB565_Opaque_NearestNeighbor_GA::drawTextureMapScanLineSubdivisions() at 0x803702e touchgfx::LCD16bppSerialFlash::drawGlyph() at 0x8043fb0 touchgfx::LCD::drawStringInternal() at 0x8032bec touchgfx::LCD::drawStringLTR() at 0x8033018 touchgfx::LCD::drawString() at Texts.cpp:54 0x8030008 touchgfx::TextArea::draw() at TextArea.cpp:55 0x802431a touchgfx::Screen::JSMOC() at 0x80352e8 touchgfx::Screen::JSMOC() at 0x8035292 touchgfx::Screen::JSMOC() at 0x8035292 touchgfx::Screen::JSMOC() at 0x8035292 touchgfx::Screen::startSMOC() at 0x803533e touchgfx::Screen

MCU: STM32H7S7L8H6HIssue: Choppy scroll animations after regenerating TouchGFX/target/generated in CubeMX files with TouchGFX 4.26 (previously 4.24.1 or 4.25)SymptomsScroll wheel with custom containers (toggle buttons + text) now shows low FPS when swiping. The same widget was way smoother before regeneration. I have a device with old generated files still running smoothly, confirming the regression is in the regenerated target code (check video, the smoother one is the bottom one).Unfortunately, I haven't git the  TouchGFX/target/generated because I thought it was being generated by TouchGFX Designer and not CubeMX, so I have no idea what code it was running before. Sure thing is, the scroll wheel logic in the GUI folder is the same for both things.I was alre

Hi,I am new on TouchGFX and UI making, i have make many screens with transition in between i want to add a qr Code,But when I just add a default qrcode no edit, but it dont show any thing, on that screen but when i change screen to different one and come back again the previous screen content print on qr code area.First screen:

I have a project that I've been working on for some time, but I stopped using it for a month and when I turn it on, the display only shows pixels of various colors, and I can't load the gfx onto the board. Everything was working fine before.If I start a new project, I can load the image.What could it be? 

Title modified by an ST moderator to be inline with the content. My goal is to establish CAN communication between Riverdi display - RVT50HQSFWA01 and my laptop. After developing a test GUI using TouchGFX 4.26.0, when I added the code patch for CAN communication then I keep on getting various build errors due to comaptibility issue between TouchGFX and STM32Cube IDE packages. If anyone has tested CAN communication for Riverdi Display boards that can help then kindly reply. I have been trying to get this done for quite sometime now and have been stuck at what seemed like a very simple task.   For the sake of reference, the latest build error is : make: *** No rule to make target 'C:/TouchGFXProjects/LIB_display_1/TouchGFX/target/CortexMMCUInstrumentation.cpp', needed by 'Application/User/TouchGFX/target/CortexMMCUInstrumentation.o'. Stop.make: *** Waiting for unfinished jobs

Hi,I've a project with TouchGFX and FreeRTOS on an STM32H7RS. I was updating the library, regenerating the code from CubeMX but, I've noticed that, for some reason, the file \Appli\TouchGFX\target\generated\nema_hal.c has changed// from - #define NEMAGFX_MEM_POOL_SIZE 16128 /* NemaGFX byte pool size in byte */ // to + #define NEMAGFX_MEM_POOL_SIZE 24320 /* NemaGFX byte pool size in byte */but I can't find in the .ioc inside the CubeMX where this value is set and why it has been changedThanks

Dear ST Community Team,I am working on a project using the STM32N657X0H3Q1 MCU with TouchGFX for GUI development.After configuring TouchGFX and generating the code, I am encountering RAM and ROM overflow errors during the build/link stage.Hardware configuration:MCU: STM32N657X0H3Q1External RAM: S80KS5123GABHB020External Flash: S28HS512TGABHM0100Both the external RAM and external Flash are connected externally on the board and are intended to be used for the TouchGFX application.Issue description:After TouchGFX configuration and code generation, the linker reports errors such as:Internal RAM overflow (data/bss/heap/stack)Internal Flash (ROM) overflow due to TouchGFX assetsIt appears that T

I try to use TouchGFX with FreeRTOS, and one of the many problems I found, is thath the screen is nod refreshed because Thread (TouchGFX_Task) is waiting inside OSWrappers::waitForVSync, but VSync is disabled in configuration. I'm missing something? I followed all the steps in the tutorial (https://support.touchgfx.com/docs/development/touchgfx-hal-development/scenarios/scenarios-configure-rtos) but seams doesn't working. I'm using an SPI display, the project is for M7 core on STM32H755

Hello, I'm looking for an example with TouchGFX and AZRTOS / Azure RTOS (and USB). I'm using a customer board with STM32H7S, LCD and USB.  For USB applications, AZRTOS / Azure RTOS seems more suitable to me.Does anyone know of an example or instructions? Dear ST employees, It would be great if TouchFX could optionally generate code without RTOS.       

Hello, I have an issue with my touchGFX gauge. First, let me explain what I want to do and how I currently do it. What I want is receiving data from the CANbus which is a command for the gauge to which position the needle needs to point (same as a car). These commands are direct and if I write it directly to the GUI it jumps positions. It needs to move smooth to that position. What I have now is:I receive CAN message with an interrupt. The received CAN message I put in a FreeRTOS queue.From a CanTask I extract the data from the CAN message that is relevant to me and is put in a other queue (aziQueue).In the Model.cpp tick funtion I first had this:if (osMessageQueueGetCount(aziQueueHandle) > 0) { if (osMessageQueueGet(aziQueueHandle, &aziTarget, NULL, osWaitForever) == osOK) { azi = (uint16_t)filter(aziTarget); modelListener->aziUpdate(azi); } } 

Hi everyoneI am looking for a tutorial on: how to integrate your code in TouchGFX with some used case examples such as ON/OFF control of an LED or sending data over serial port to Putty terminal on PCI am using the following Board:STM32F469I-DISCO

Hi, I’m working with an STM32H7S78-DK board and I want to replace the current display with a new one that has a resolution of 480x272. I’d like to know if this is possible, and if so, what steps or considerations I need to follow to make it work properly. Any guidance on configuring the MCU, adjusting the display driver, or handling any hardware/software changes would be really helpful. Thanks!

Hello,I am using an STM32H747I-DISCO with the MB1166-A09 display and a standard TouchGFX project.I want to run the board as USB Host on CN1 (USB OTG HS, ULPI PHY) and connect a USB Full-Speed device (STM32H503 Nucleo running in device mode).VBUS is forced ON via ULPI_D0 and works fine in a non-TouchGFX project.However, as soon as I add USB Host to a TouchGFX project:The display becomes blackTouchGFX no longer rendersCubeMX reports conflicts with FMC (SDRAM) when USB OTG HS is enabledTouchGFX works without USB, and USB works without TouchGFX, but not together.It looks like USB HS (ULPI) and TouchGFX (DSI + SDRAM) conflict, possibly due to clocks or FMC being partially disabled.Question:Are there any reference projects or examples where TouchGFX and USB Host on CN1 coexist correctly on STM32H747I-DISCO?Is this a known limitation?Thanks in advance.