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Associate
July 28, 2025
Solved

STM32H745I-Disco TouchGFX nothing shows on screen

  • July 28, 2025
  • 3 replies
  • 301 views

Hi everyone. I have a STM32H745I-Disco board and I am using both TouchGFX and CubeIDE to make a project with the board. So the issue I am encountering is that when I wrote or made some adjustments in the both applications the project seems fine (when i built the project in CubeIDE it gave 0 errors or the simulator in the TouchGFX worked just fine) but when I try to debug to project in to the board using the debugger in the TouchGFX the application shows it debugged just fine but there is nothing showing up on the board afterwards. When I try to debug a blank new created project it shows up on the screen but when I'm trying to debug a project with some images or fdcan codes with it the issue I've just said shows up. I don't know what's the problem.

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Best answer by Osman SOYKURT

Hello @ardarda3537 ,

The STM32H745I-Disco is a dual core project. When flashing on your board, are you flashing both application for the 2 cores (CM4 and CM7)?

3 replies

Associate III
July 30, 2025

I think it maybe lcd driver issue, you can reference it to modify. https://youtu.be/vYK3bSGT3cY?t=1824

Osman SOYKURT
Osman SOYKURTBest answer
Technical Moderator
August 5, 2025

Hello @ardarda3537 ,

The STM32H745I-Disco is a dual core project. When flashing on your board, are you flashing both application for the 2 cores (CM4 and CM7)?

Osman SOYKURTST Software Developer | TouchGFX
Osman SOYKURT
Technical Moderator
September 2, 2025

Hello @ardarda3537 ,

Have you been able to resolve your issue?

Osman SOYKURTST Software Developer | TouchGFX