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...

Debug issues

I defined a structure in the H file and entered the Debug mode to observe it, but in single-step debugging, whether it is Expressions or live, the changes are always inconsistent, and I have not checked this structure elsewhere. Assignment, what is t...

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How do we check code coverage on STM32?

I am using STM32L4 for my application and I want to do code coverage on my controller to see how it performs. How can I do that? Is there any tool or is there any in-built feature in STM32CubeIDE which I can use?

SBhon.1 by Associate III
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  • 10 replies
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Display problem in the IDE with #if and #ifdef

Hello, I am working on a project with a dual core processor (H7) and I have some display problems in my IDE (STM32CubeIDE v1.9.0). For example, I added the LWIP part to my board with #define LWIP_IPV4 1 and #define LWIP_DHCP 1.When I am in debug mode...

MA4 by Senior
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  • 6 replies
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STM32L476 comparator constantly generates an interrupt

Hi. I configured comparator with neccessary settings using CubeIDE and LL library and got next generated piece of code: COMP_InitStruct.PowerMode = LL_COMP_POWERMODE_HIGHSPEED; COMP_InitStruct.InputPlus = LL_COMP_INPUT_PLUS_IO1; COMP_InitStruct....

ARa.2 by Associate II
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  • 2 replies
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Resolved! Failed to enable Live Expressions. Connection failed

Can't enter into the debug mode on the development branch, but when I switch to master branch I can normally use the debugger. Difference between master and dev branch is minimal, and projects settings and debugging configuration is the same. I've tr...

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DCind.1 by Associate
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  • 2 replies
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Want a Buffer to Buffer compression (.zip) library

Hi all, I am using STM32 F411 Discovery board and am facing an issue with compression, i tried different compression libraries (zlib, mzip etc) all are using File system, unfortunately the F411 Discovery does not supporting Local File system, my conc...