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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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
  • 587 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...

Resolved! Unit testing and system initialisation code

I am currently working on testing of some code using a testing tool. As nearly all of the code interacts with the hardware, it is easiest for me to do this on the target. The tool automatically builds the test environment and allows files and/or func...

CTapp.1 by Senior III
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  • 8 replies
  • 2 kudos

Error when running Debugger in STM32CubeIDE

Hi,I want to load a program into my STM32U575 microcontroller using the STM32Cube IDE debugger.This is my Debug configuration:But when I run the Debug, I get the following error:        Why do I get this error and how can I fix it?Best regards,

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mikel-m by Associate III
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  • 4 replies
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STM32CubeMx not generating a project file on Mac

when I click open project from STM32CubeMx something tries to open then I get a python quit unexpectedly message, ok fine. then I try to open the project manually in the STM IDE only to find that there was no project file generated.can anyone advise ...

AP0LL0 by Associate
  • 1359 Views
  • 1 replies
  • 0 kudos

Resolved! Unable to access Calibration Words with STM32H503RBT

I try to read VREFINT_CAL word :  uint16_t *VREFINT_CAL=(uint16_t *)(0x08FFF810); uint16_t v = *VREFINT_CAL;  When running, Hard fault interrupt is called.Memory protect seems not active (MPU not used, GTZC not enabled).What can be the problem ?Thank...

M_Deloizy by Associate II
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  • 2 replies
  • 2 kudos

Resolved! Starting an STM32 Project in STM32CubeIDE

Hello everyone, I am new to STM32CubeIDE, I'm following this tutorial. In the tutorial, he pressed okay to a message saying "generate new code?"When he does, his project explorer showed thisI followed same steps, and when I pressed okay to "generate ...

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