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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  • 0 replies
  • 4 kudos

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! STM32CUBEIDE: Won't start.

STM32CubeIDE 1.9.0 has been working fine, until tonite. I started it and after it asked which workspace it acted like it was loading but never went anywhere. I killed it, removed the .lock file and restarted and the same thing except it's now exiti...

michvhf by Associate
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  • 8 replies
  • 7 kudos

Hard Fault Occurs When Using Live Expression in CubeIDE

Good evening,I’m reaching out to ask if anyone might be familiar with a solution to a hard fault issue we’re currently encountering.Here is the situation:We are using a custom-designed board that incorporates an STM32H7 microcontroller and external F...

Htera.1 by Associate II
  • 495 Views
  • 5 replies
  • 0 kudos

SEMIhosting doesn't work (ST-LINK OpenOCD)

I'm trying to get semihosting to work under STM32CubeIDE with ST-LINK(OpenOCD) debugging.After being able to connect to the target (an STM32H503), I cannot step over the function initialise_monitor_handles()  (see source code). A lot of traps occur b...

Resolved! STM32CubeIde reset after load

I'm using STM32f407 board with Cubeide. When load new code, I want to work code after pressing reset button.How can I set it in STM32CubeIde.Thank's

CKILI.2 by Associate II
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  • 3 replies
  • 0 kudos

Resolved! UTF-8 characters in text strings

I am writing some firmware for a device with an alpha-numeric display. The display language must be changable. For most languages, this means using characters outside the A-Z range. UTF-8 covers most of the necessary characters.In the project propert...

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EThom.3 by Senior II
  • 603 Views
  • 6 replies
  • 1 kudos

Resolved! NVIC code generation is empty-Version: 1.19.0

I'm using the STM32G474RE with STM32CubeIDE - Version: 1.19.0, and I encountered a strange issue. I'm not sure whether to call it an error, as it doesn't technically throw any errors—but it's unusual.When I create a new project and open the .ioc conf...

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