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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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...

I have init a new project and try to run it. I follow the you tube video. The debugger is stopping and I recieve an error Waiting for debugger connection... Debugger connected Debugger connection lost. Shutting down... Need help getting started

STMicroelectronics ST-LINK GDB server. Version 5.8.0Copyright (c) 2020, STMicroelectronics. All rights reserved.Starting server with the following options:    Persistent Mode      : Disabled    Logging Level       : 1    Listen Port Number     : 6123...

JNiva.1 by Associate II
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Misaligned memory write causes hard fault.

Hi,I checked with the test code below, and it sets the hard fault for the G0 controller. It looks like an alignment issue. But the same code runs fine with L4 and F4 microcontrollers and does not set any fault for misaligned assignments. Project sett...

SDalv.1 by Associate II
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When using FreeRTOS, CubeIDE generates a file, system_stm32f7xx.c under Drivers/CMSIS/Device/ST/STM32Fxx/Source/Templates. This happens regardless of the version of the interface (V1 or V2), in 1.6.0, for at least the F767 processor. Is this a bug?

The file contains duplicate definitions, seems to have no purpose, and prevents compilation unless deleted. This is a C++ project.Given the source code (which I wouldn't have), I'd look at the specific reason that the template file is included. It ...

Resolved! The selection couldn't not be launched.

I used this: File --> New --> STM32 Project --> example selector in STM32CubeIDE, the project could be saw in IDE:  but the build icon was unable, when I clicked "run", it was prompted:

0693W000008wLYlQAM.jpg 0693W000008wLYRQA2.jpg
MQi.1 by Senior II
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STM32CubeIDE 1.6.1 released

STM32CubeIDE 1.6.1 releasedSTM32CubeIDE 1.6.1 was released this week on st.com as well as a in-tool update patch.Caution: The in-tool update does not allow updating debug probe drivers and ST-LINK server tool. Full installer is required for this.What...