STM32CubeIDE (MCUs)

Ask questions on STM32CubeIDE. Discuss how to build, debug, configure, and optimize your project as well as how to use our software tools.

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STM32CubeCLT 1.20.0 released

We are pleased to announce that STM32CubeCLT 1.20.0 release is available. What is new in 1.20.0: Maintenance of the previous version: Updated in accordance with STM32CubeIDE v2.0.0Update of Clang toolchain version 19.1.6Update of GCC 13.3.rel1Update ...

Aimen1 by ST Employee
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STM32CubeIDE 2.0.0 released

We are pleased to announce that STM32CubeIDE 2.0.0 release is available. STM32CubeIDE is now independent from STM32CubeMX. With this release, device configuration, previously handled within STM32CubeIDE via STM32CubeMX, is now exclusively available t...

Aimen1 by ST Employee
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  • 0 replies
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STM32CubeIDE 2.0 release - early heads-up!

Starting from the release in November 2025, STM32CubeIDE and STM32CubeMX will be available exclusively in their standalone versions. STM32CubeMX will no longer be integrated inside STM32CubeIDE. Instead, the two tools will be interoperable in the sam...

Resolved! "main.c" is not visible.

"main.c" is not visible.This is the screen I want.  However, this is my actual screen. I am sure I have chosen the board correctly.

image02.png image01.png
hjjang by Associate II
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  • 7 replies
  • 4 kudos

STM32H755 CM4's HAL_Delay() never returns

Hi All,I have a problem on H755 Nucleo which is that the M4's tick doesn't seem to be advancing.Digging a little deeper I can see that uwTickFreq is zero, but I can't see why that's happened. There must be something wrong in my .ioc file since I've h...

bramble by Senior
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  • 5 replies
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Resolved! Generating .srec file from command line

Hey,I am using the STM32f769NIH controller and my application has Touchgfx and freeRTOS enabled. The code downloading time is too slow and I want to speed it up.I figured that turning off the external loaders in the debug configurations yields a smal...

CubeIDE problems

Hi boys and girls from ST,I am testing your CubeIDE and it it catastrophe.1/ I tried to open a new project in CubeID and I ascertained that I can not add assembly file (s). How I can create project with only one file - in assembly. :)2/ I tried to cl...

JerryMC22 by Associate III
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  • 4 replies
  • 3 kudos

STM32F439ZI ETHERNET TCP CONNECTION

Hi,I am using stm32f439zi eval board for TCP communication. I can ping the board from host. It shows TCP connection error in Hercules utility. I am using port number 7 to listen to server. I am not sure whether I am using correct port number for the ...

arun27 by Associate II
  • 406 Views
  • 1 replies
  • 1 kudos

Segger J-Link STM32H755 CM4 debugging in STM32CubeIDE

I am trying to debug the STM32H755 within CUBEIDE but the current segger J-link drivers say that core is not supported. The segger website lists it as supported and it works without issues in their debuggers.I am wondering if there is a workaround or...

Ckerl.2 by Associate II
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  • 4 replies
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Ubuntu 22.04 CubeIDE either freezing or no IOC editor

I was having this problem https://community.st.com/t5/stm32cubeide-mcus/stm32cubeide-user-interface-freezing-in-ubuntu-22-04-wayland/td-p/656993 so I tried the solution and it fixed the freezing, but now the IOC editor doesn't render, such as with ht...

DShekter by Associate III
  • 866 Views
  • 5 replies
  • 1 kudos