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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STM32CubeIDE STM32Cube project creation issue

Description In STM32CubeIDE version 1.18.1 and earlier, after selecting any STM32 target when creating a new project, the STM32Cube option becomes greyed out. This prevents creating STM32CubeMX-based projects, allowing only empty projects. How to Re...

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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! printf() not working - _write() never gets called

Hello,as the title suggest, I can't get printf() to work.I implemented _write() in my main() but during debugging the program never get there.The project was created with CubeIDE.int _write(int file, char *data, int len) { if ((file != STDOUT_FILE...

CKauf by Associate III
  • 10659 Views
  • 9 replies
  • 3 kudos

CubeIDE not updating Debug Configurations

I am trying to switch from eclipse to CubeIDE. But it wont let me save the debug configurations. I have imported the project, build it, when trying to debug it doesnt let me press(Debug As AC6 Application) When trying to add my own debug configuratio...

RDe V by Associate
  • 610 Views
  • 1 replies
  • 0 kudos

Resolved! How to install an Eclipse CDT Plugin like OpenMRC?

Dear Friends, I'm having problems to load this plugin (Eclipse CDT Plugin: OpenMRC), it's from GitHub, I tried using the "Install New Software" but without good results, I also download it to my desktop but the IDE wants JAR files, so please someone ...

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HLare by Associate
  • 1063 Views
  • 2 replies
  • 0 kudos

Where is the C++ support in STM32CubeIDE?

When starting a new project in STM Cube IDE there is an option given to generate C++ instead of C code but when selected I still get the same generated c code... If I wan't to use modern C++ conventions what are my options or should I be looking at a...

norlesh by Associate III
  • 1120 Views
  • 3 replies
  • 1 kudos

Resolved! STM32CubeIDE library inclusion error !!!

I downloaded the X-NUCLEO-IHM01A1 from the st website and loaded an example project in stm32cubeIDE, however I keep on getting the library inclusion error.

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Cash by Associate II
  • 747 Views
  • 1 replies
  • 0 kudos

Device Configuration Tool Resets Project Properties.

Hi,I upgraded to the latest version of STM32CubeIDE (Version: 1.0.2) and I am noticing a possible bug with the device configuration tool. Whenever I open the tool and generate code from it, it resets all my build and general properties. This is reall...

PShut by Associate
  • 429 Views
  • 0 replies
  • 1 kudos

LD1 (LED1) is not defined for device NUCLEO-H743ZI board STMCubeIDE version 1.0.2 STM32CubeH7 MCU Package 1.5.0

LD1 is not defined in device NUCLEO-H743ZILD2 and LD3 both seems ok.also, the builtin flash tool doesn't have the latest firmware for the stlink v2had to flash with the tool found here to get debug working:https://www.st.com/en/development-tools/stsw...