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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STM32CubeIDE 2.1.1 released

We are pleased to announce that the minor version 2.1.1 of STM32CubeIDE is available. What is new in 2.1.1: This release covers the topics listed below: SEGGER J-Link GDB server updated to 9.24 to fix an issue with the Live Expression view during the...

Aimen1 by ST Employee
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  • 0 replies
  • 1 kudos

STM32CubeCLT 1.21.0 released

We are pleased to announce that STM32CubeCLT 1.21.0 release is available. What is new in 1.21.0: Maintenance of the previous version: Updated in accordance with STM32CubeIDE v2.1.0Update of Clang/LLVM toolchainUpdate of GCC to GCC 14Update of STM32Cu...

Aimen1 by ST Employee
  • 475 Views
  • 0 replies
  • 0 kudos

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...

Garbled Font in the title of the IDE window

As shown in the figure, the title of the window bar seems to have become garbled, even though its content was originally in English. I thought it was due to the software defaulting to a font that only supports Western characters, but changing all the...

Altboy23 by Associate
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  • 1 replies
  • 0 kudos

STM32H755 dual core SWO printf

Hi,I would like to get printf() debug messages from both M7 and M4 core using SWO pin. It seems to work as expected on M7 core, but I cannot get it work on M4. Ideally, I would like to have messages from both cores in parallel, but it would be great ...

mosamasa by Associate II
  • 361 Views
  • 1 replies
  • 0 kudos

STM32CubeIDE hangs at “Performing pre-launch check”

 I'm experiencing an issue when attempting to debug a project in STM32CubeIDE v1.19.0 using a NUCLEO-H753ZI board and ST-LINK V3 (FW: V3J16M9). The debugger appears to hang during the early initialization phase and fails to proceed with device enumer...

bugiii by Associate II
  • 1828 Views
  • 6 replies
  • 1 kudos

Live Expression Shows Incorrect Data

I encountered a significant problem with the live expressions during debugging, as the variables displayed erratic values and symbols when they were set as unsigned. I spent several days trying to verify this, as I previously had doubts about my code...

Cube IDE 1.19.0 Login Failed

The login via HELP->STM32Cube Updates->Connection to myST   does not seem to be working properly. Trying to login I first get a small splash window with a button which I can press which opens a webview(?) which sometimes displays an "Accept Cookie" d...

a2800276 by Associate
  • 514 Views
  • 2 replies
  • 0 kudos

C++ support of stm32cubeide does not work.

in default situation, you could not call c++ function in C file.  So the main.c  is not suitable file in C++ project.   if user choose C++ project,the generated main.c ,stm32h7xx_it.c should sufixed with .cpp.

yujin by Associate II
  • 2301 Views
  • 8 replies
  • 9 kudos

Resolved! Build error

Hi, I tried to build my project but I faced these errors :--------------------------------------------------------------------------------------------------------------------------------------------------C:/ST/STM32CubeIDE_1.12.1/STM32CubeIDE/plugins...

Gnahore by Senior
  • 25428 Views
  • 11 replies
  • 2 kudos