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...

__ARM_ARCH_V*_ missed

Hi ST Team,I'm working on a project with STM32CubeIDE and STM32F302 as target. I'm trying to add Segger System View but the preprocessor macro (__ARM_ARCH_7__) is missing.This preprocessor macro should be defined by IDE in base on the MCU target.Cou...

FreeRTOS and SEGGER SystemView not working

Hello,I am trying to get FreeRTOS and SEGGER SystemView (3.1) to run on an STM32F103RCTx. I used the appropriate manual from SEGGER to include all the necessary folders in my project. Although I have included all the new folders in the Include Paths ...

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Resolved! Cann't parse large string on STM32F746VGTX with cJSON

Hi all,I'm trying parse a large string stored on internal flash (up to 100 KB). Error is occurred around 60 KB.I tested the same string with cJSON on Visual Studio, and it work well.I think the problem is mcu doesn't have enough heap ram for cJSON.I ...

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Can't install MCU packages

After choosing Help→Manage Embedded Software Packages and selecting from the list F3 package I get "Error downloading the file" (more details in attached picture). Tried downloading the file manually and installing using local copy, but also get an u...

AVenc.16 by Associate
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STM32Cube - dark colour mode

Hi everyone,how can i change the stm32Cube to Dark mode (black background) without change every single colour? If i change only background -> some letters will unvisible because it's black yet. So i have to change (and find out a optimum ;) many seet...

TThie.1 by Associate II
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  • 1 kudos

I am a student intern, new to embedded programming. I am trying to learn using the STM32L476 Discovery board. I was trying to the basic blinky code test, and I am unable to to do so properly

No matter which LED port/pin i toggle, only one specific LED blinks. Also, the time delay in the code is not reflected. It would be great if someone can please help me out with this

Divya by Associate II
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Resolved! How do I enable FreeRTOS debugging support in CubeIDE?

I've just started my first FreeRTOS-based project. In the debugger, when I pause execution, all I see is this stack trace:Thread #1 [main] 1 [core: 0] (suspended : Signal : 0:Signal 0) prvCheckTasksWaitingTermination() at tasks.c:2,488 0x800b4f4 ...

CDew.1 by Associate III
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