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
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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...

CubeIDE shows negative value for unsigned integer?

Hi,In my live expression, I see my unsigned variables go negative values. For example, when uint8_t type variable is 128 it shows as a -1, if 129 then -2. I don't understand what is wrong. I can see uint8_t in the type column in the live expression. ...

EOzde.1 by Associate III
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  • 2 replies
  • 1 kudos

How to change output directory for managed build

Hi all, i'm facing a very little problem with STM32CubeIde.Everything is ok for build and debug, but the outputs (.elf file, .bin, etc...) are generated in Release and Debug directory at the root of the project.I just want to specify another output d...

JMART.22 by Associate II
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  • 3 replies
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Resolved! STM32L4R9 reset reason flags always 0 (RCC->CSR)

Details:MCU: STM32L4R9ZGJ6IDE: STM32CubeIDE v1.6.1SDK: STM32Cube_FW_L4_V1.14.0Board: Custom PCBHello,I am seeing really strange behavior where bits 31-24 in the RCC->CSR register are usually always 0. I have verified this behavior on two boards. The ...

0693W00000Uon68QAB.png 0693W00000Uon7LQAR.png
DerekR by Senior
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  • 7 replies
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Resolved! CubeIDE doesn't let me paste. Why?

I'm to using the IDE and attempted to edit my first main.c file...and the paste function doesnt work. CTLR V does nothing and the right click menu has it available but also does nothing.

KHarb.1 by Senior II
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  • 5 replies
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STM32 debugging issue.

Earlier I used the STM32CUBEIDE 1.7.0 version it works fine then I update it to 1.8.0 then I faced an issue while debugging it showing an Error in the final launch sequence:Failed to start GDB serverFailed to start GDB serverjava.lang.NullPointerExce...

JP_RS by Associate II
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  • 13 replies
  • 0 kudos