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...

FreeRTOS doesn't working when generated from Cube.

Hello!Using STM32CubeIDE i turning on FreeRTOS feature and in StartDefaultTask i try to do simple thing - turn on LED, in other words set high level on some pin. But nothing happens. FreeRTOS doesnt work from CubeIDE. Interrupt doesn't generated.Maki...

STM32CubeIDE not available for download

Hello peeps,I am trying to download the STM32CubeIDE but the option is greyed out and says Not available for download.Almost all software packages download are greyed out.What am I missing?Thanks

Danych by Associate II
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I2S master RX with DMA transfer to memory

Hi,I am using STM32CubeIDE for audio application development. In my application STM32 will be working as I2S Master Receiver so I wanted to collect data continuously without losing any data.I have configured DMA with circular mode enabled. Looking at...

Question on STM32 USB libraries

So I notice this uncomfortable feeling of not knowing WTF is going on when I single step through ALL the config, trying to make sense of all this BS stepping to setup the registers. Since most of this stuff I soon wont care about exept their 1 or 2 f...

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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