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...

STM32L476 Hard Fault during startup

Hello, I realised an stm32l476 board. After receiving the board, we tested all the connection power.. All is good.To start with the coding I added a simple code to toggle pins to check the functionality. The code install successfully on the board. Ho...

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Resolved! Parse HEX File to HAL_FLASH_PROGRAM()

Hello everyone, I want to make bootloader, everything is done, but not working.  1. I create two apps in STM32CubeIDE:BOOTLOADER: 0x08000000APPLICATION: 0x08020000I did simple program and I jump from app to boot, and from boot to app (It's works fine...

Martini by Associate II
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Resolved! Connect debugger without uploading binary

Hi there,I'm using ST_Link V3 with H743 MCU. For short debug sessions it works seamlesly.For longer run-time I have to disconnect my computer with CubeIDE and go home, but MCU stays running.Next day, I need to reconnect Debugger and check the state o...

DrDro by Associate III
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  • 3 replies
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uart_ERROR callback triggered but errorCode is zero

I am programming a STM32 nucleo-f746ZG development board where I am using USART2 with RX interrupt.I have setup USART using CubeMx (async, baud:250Khz, data: 8, stopBit: 2, noParity). I am reading a single byte from a DMX stream by calling HAL_UART_R...

Resolved! What OS is running on the stm32 eval board?

Hi,I am using Cube IDE to study. And the boardNucleo-uaa5zj-q.My first program "Hello World" is printed well on the console.But I would like to know what OS is running on this board?If it is Free RTOS, in Pinout & Config -> Middleware, why could I ch...

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shiacapt by Associate
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