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...

How do I close UART connections?

Basically, I want to close already 'CONNECTED' UART connections in my Cube IDE. Also, I want to remove all 'CLOSED' UART connections from my Debugger window.Thanks

AIlic.1 by Associate
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STM32CubeIDE not generating main() source.

I recently installed STM32CubeIDE and tried to generate code for a Nucleo board. The IDE generates the HAL drivers, but does not generate main() or any initialization code for the peripherals. How do I get it to do that?  Previously, using CubeMX and...

JMill.1 by Associate III
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f_write is returning with disc error

Hi,#FatFS​ #SDIO​ #STM32CubeIDE​ In STM32CubeIDE f_open and f_read is returning with FR_OK value. but when I used f_write with some data I am seeing that the return value is DISK_ERR. In this case file is not at all getting created in the SD card.Whi...

Resolved! Release notes for STM32CubeIDE v1.2.1

Hello, can you please update the RN0114 document STM32CubeIDE Release Notes with the new info for v1.2.1, as the website contains the v1.2.0 version onlyThanks

USB-MIDI driver for STM32F042

Hello,I am having no success in writing a USB-MIDI driver for STM32F0xx MCUs. Specifically, I am using an STM32F042K6, with STMCubeIDE. With a lot of fiddling with memory parameters, I have been able to get generated CDC and Audio Class middleware wo...

ESing.1 by Associate
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Resolved! How to get CubeMX Capability(.ioc) for STM32CubeIDE Projects Converted from System for Workbench Projects under STM32H743I_EVAL Example Projects?

We are using STM32H743I_EVAL boards. I have gone through number of examples from "STM32Cube\Repository\STM32Cube_FW_H7_V1.6.0\Projects\STM32H743I-EVAL\Examples" folder. None of these examples seems to be for STM32CubeIDE. STM32CubeIDE does seem to kn...

BGeor.1 by Associate III
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Using a OC timer as a DMA request.

I am trying to implement a DMA transfer as outlined in AN4666. I am using STM32CubeIDE and an STM32F4 Discovery. This will eventually let me pull data from the input register of a GPIO port (and read a parallel data stream), but for starters, I'm ju...

MCiuf.1 by Associate
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Resolved! CubeIDE update unsigned?

When updating CubeIDE on WIndows 10 it shows the following warning. Is this normal or something bolted up? -- pa

Pavel A. by Super User
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