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...

Dev Style problem

Before installing Dev Style, when I opened multiple tabs in the editor, the size of the Minimize and Maximize buttons was small, as shown in the picture one . After installing Dev Style, their size changed and became larger . What's the issue, and ho...

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Resolved! How to detect STM32CUBEIDE version in STM project?

Hello,I want to compile STM projects sent to the automation program. The developed projects are created using different versions of STM32CubeIDE, such as STM32CubeIDE 1.6, 1.9, or 1.16. When I tested it manually and provided the IDE version informati...

dikene by Associate II
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  • 3 replies
  • 3 kudos

Resolved! STM32N6570-DK on latest version of STM32CubeMX

Hi,Just a created first project with the default board settings of STM32N6570-DK on latest version of STM32CubeMX on Windows 11 and it created this project structure: This structure looks different from other STM32 MCU's I have used before and also g...

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Resolved! STM32F103C8T6 - Cant be found?

Hi all,I'm very new to the STM32 world but still trying to figure out how things work.I have installed the STM32CubIDE software without issue, but my problems start when I try to develop and upload a blink application.No matter what I do, the ST-Link...

VK4KYT by Associate II
  • 2045 Views
  • 7 replies
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stm32ide project file organization

I am confused where my source file should be stored.  It seems that I have duplicate files stored in multiple locations. Some seem to get updated together and some don't!For instance I have a main.h file stored here-> FJB_KEYPAD_R5\STM32CubeIDE\Appli...

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FJB2069 by Senior
  • 1144 Views
  • 4 replies
  • 2 kudos

NucleoH7S3L8 SPI Not Working

Dear ST Community,I have the following issue:I try to start a simple SPI Transmit but it seems that after a first burt of clocks which I observe on the osciloscope, the program gets stack in the Error_Handler, while it shouldn't based on .ioc configu...

DG91 by Associate
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  • 2 replies
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Resolved! Snprintf float and double issue

Hey,I am using one of the custom board for stm32f407vetx. When i was using stm32f407 disc board. There was no problem but now i cannot fill up array with float or double values. And yes i increase min heap size to 0x1000 and max heap size to 0x2000. ...

SabTuna by Associate II
  • 660 Views
  • 1 replies
  • 0 kudos