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 1.19.0 released

We are pleased to announce that the release 1.19.0 of STM32CubeCLT is available. What is new in 1.19.0: Support for ST Arm Clang toolchainMaintenance of the previous versionUpdated in accordance with STM32CubeIDE v1.19.0 Main fixed issues in 1.19.0: ...

Resolved! [Resolved] STM32CubeIDE project creation issue

Updated post to reflect permanent fix Dear STM32CubeIDE user, Further to the recent STM32CubeIDE project creation issue, we would like to inform you that a solution is now available for you. This permanent fix applies to all STM32CubeIDE versions. I...

STM32CubeIDE 1.19.0 released

We are pleased to announce that the release 1.19.0 of STM32CubeIDE is available. What is new in 1.19.0: Microcontroller, microprocessor, and board lists aligned with STM32CubeMX v6.15.0:Added the support for STM32MP21xx microprocessors to the STM32MP...

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! How to migrate code from Keil uVision to CubeIDE?

I was able to open the ST25R3911B_DISCO_FW's included DISCO-STM32L4x6.uvprojx file. It builds and debugs easily, until... I try to uncomment back in the functions in its main and while (StreamDispatcherInit, ProcessIO and dispatcherWorker), which th...

Getting hard fault handler issue while running

Hi all,I am working on a project which is based on freertos on stm32l476rg. I have added STM32CubeExpansion_CELLULAR_V5.2.0 into my project and while running I am getting hard fault handler before control comes to main function.These are the remedies...

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Resolved! STM32Cube IDE executing commented lines

Hello everyone,I'm debuging a project with 2 recent commented lines, and the debug is executing this lines: I previously builded that project, I don't understand what's happening, maybe you can answer me that question.Thank you in advance!

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DPrie.1 by Associate II
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ITM not showing output

Hello Sir / Madam, Greetings of the day, I'm a novice player in embedded programing I owned a Stm32-nucleo-g474re board and enrolled for an online course which uses similar arm cortex m4 board, the first task was to use printf and display in the SWV...

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NThom.2 by Associate II
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I am facing some bug issue in stm32cubeide.

Dear Sir, I am working in STM32CUBEIDE,In that i am working with ST-LINK OPEN OCD.Previously it works in good manner without any issues but now i am facing some error regarding BUG ISSUE.I delete and reinstall the software also. I have mentionedthat ...

IK.3 by Associate
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STM32CubeIDE - bug in compiler

Hi all,You have one small bug in your compiler.When I create macro like that:#define CONV_STR2DEC(str, i) (str[i]>'0'?str[i]-'0':0)const uint32_t version = CONV_STR2DEC(__TIME__, 6);IDE return info that "initializer element is not constant" what is n...