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...

Resolved! Errors building a project

I made a project with Empty Targeted Project Type and when trying to build the project, it shows an error with the following message:Errors occurred during the build. Errors running builder 'CDT Builder' on project 'HelloWorld'. Internal error buildi...

Can't update ST link

For some reason my I cant update my St link. Issue first came up as debug tool wasnt working properly. Trying again the IDE said no stlink detected when trying to debug the target.    it finds it correctly as shown in the screen shot below (running f...

Screenshot 2024-10-15 204235.png f889c807-880f-4edd-bee5-717aba6eb856.png Screenshot 2024-10-15 204814.png
pingu by Associate
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  • 2 replies
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How to use GIT branching while using STM32cubeIDE?

Hi all,I have a project that has been developed within STM32CubeIDE. I also have a github repository associated with the project. What I now want to do is branch the project to work on some other features. I may want to have two separate projects in ...

CDyer.1 by Senior
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  • 10 replies
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Stuck in xQueueSemaphoreTake()

Hi,I would like to setup a system with a telnet server and I'm trying to follow this guide: https://controllerstech.com/stm32-ethernet-4-tcp-server/ but unfortunately, upon launch, the system gets stuck at line1438 in queue.c:/* Cannot block if the s...

debug by Associate III
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Resolved! STM32CubeCLT Build Issue

Hi, I have a server in AWS which I want to use to build and release my firmware. I installed v1.16.0 on my system as well as on the server. I cloned the project on both the systems and build is successful on my system. But, on the server, I am gettin...

SBhon.1 by Associate III
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  • 4 replies
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Incremental saving

Hi allWhen I work on project, I like to save everything incrementally maybe 3 or 4 time a day just to be safe . And if I do something "crazy", as program goes bigger and bigger, it easy to revert back to an older project name.If I have my project nam...

Dany0 by Associate II
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Resolved! Loading code on STM32U535 vs STM32U545

Hello, we have an STM32CubeIDE project based on the STM32U545. Unfortunately, our first version of PCB's is due to arrive soon populated with the STM32U535 instead, due to parts shortages. My question is, can I use the IDE to load and debug the code ...

CSmit.4 by Associate II
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  • 1 replies
  • 2 kudos