STM32CubeIDE (MCUs)

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STM32CubeIDE 2.1.1 released

We are pleased to announce that the minor version 2.1.1 of STM32CubeIDE is available. What is new in 2.1.1: This release covers the topics listed below: SEGGER J-Link GDB server updated to 9.24 to fix an issue with the Live Expression view during the...

Aimen1 by ST Employee
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  • 0 replies
  • 1 kudos

STM32CubeCLT 1.21.0 released

We are pleased to announce that STM32CubeCLT 1.21.0 release is available. What is new in 1.21.0: Maintenance of the previous version: Updated in accordance with STM32CubeIDE v2.1.0Update of Clang/LLVM toolchainUpdate of GCC to GCC 14Update of STM32Cu...

Aimen1 by ST Employee
  • 638 Views
  • 0 replies
  • 0 kudos

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...

STM32 Nucleo L476RG: Debugger Connection Lost I try uploading a blank project and receive a message saying the debugger connection is lost. I tried 5 different USB Mini Cables and uploaded successfully to a completely different Nucleo Board (H745ZI-Q).

This is the message I receive when debugging for the STM32 Nucleo L476RG Board:STMicroelectronics ST-LINK GDB server. Version 5.8.0Copyright (c) 2020, STMicroelectronics. All rights reserved.Starting server with the following options:    Persistent M...

SMaci.1 by Associate II
  • 1735 Views
  • 2 replies
  • 0 kudos

CubeIDE hangs when starting configurator

Shortly after starting CubeIDE, if I open a .ioc file, the IDE starts the configurator, but then hangs with the pinout window incomplete and one processor core running 100% indefinitely. I am running CubeIDE 1.6.1 under Ubuntu Linux 18.04.5 on a 2-c...

TJack.2 by Associate III
  • 5909 Views
  • 8 replies
  • 1 kudos

Two STM32F407 Discovery Boards SPI Polling Example From ST

I used STM32Cube IDE ST Examples to try SPI Polling communication. I followed SPI_FullDuplex_ComPolling reading file instructions. After I pressed reset buttons of 2 boards, I pressed master board user button. The result is according to readme file i...

Moses by Associate II
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  • 7 replies
  • 0 kudos

Resolved! (Solved) STM32Cube IDE FreeRTOS Task Aware Debugging

Hi,I'm currently trying to configure FreeRTOS task aware debugging. It mostly seems to be working, however, I cannot get the Min Free Stack, Event Objects or State columns fully working on the Task List Tab. The image below displays the current state...

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BEvan.2 by Associate II
  • 6851 Views
  • 2 replies
  • 0 kudos

STM32IDE can't connect to Internet.

Hello everyone,I have had a problem with the STM32IDE software for over a week. When I want to create a new project, I am asked to download some files from the internet but the software can't connect to the internet to download them. I am using a Des...

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DVouf.1 by Associate II
  • 5145 Views
  • 9 replies
  • 0 kudos

Resolved! including stm32f1xx_hal.h to static c++ library doesn't work

Hi, I'm trying to import stm32f1xx_hal.h to my static c++ library to have access to the standard types and functions.It used to work when the project was still c, but after migration it doesn't recognize the types any more, even though it doesn't fai...

Ubus99 by Associate III
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  • 3 replies
  • 0 kudos

"Attempt to unlock mutex that was not locked"

I get the following error in terminal quite frequently which crashes the stm32cubeide. This usually happens when I am opening the ".ioc" file.Attempt to unlock mutex that was not lockedThis is my workspace folder if you are interested: https://github...

YEbne.1 by Associate
  • 2967 Views
  • 3 replies
  • 1 kudos

STM32 and cJSON problem?

Hi Guys,I run the following code in a STM32F4429ZI board (a project was generated with STMCube 6.3 and I´m using Cube IDE 1.7):// Create a json objectcJSON *info;info=cJSON_CreateObject();//adding datacJSON_AddStringToObject(info,"sex","male");cJSON_...

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