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 1.19.0 released

We are pleased to announce that the release 1.19.0 of STM32CubeCLT is available. What is new in 1.19.0: Support for ST Arm Clang toolchainMaintenance of the previous versionUpdated in accordance with STM32CubeIDE v1.19.0 Main fixed issues in 1.19.0: ...

Resolved! [Resolved] STM32CubeIDE project creation issue

Updated post to reflect permanent fix Dear STM32CubeIDE user, Further to the recent STM32CubeIDE project creation issue, we would like to inform you that a solution is now available for you. This permanent fix applies to all STM32CubeIDE versions. I...

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...

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
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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...

0693W00000D1EINQA3.png 0693W00000D1EJaQAN.png
BEvan.2 by Associate II
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  • 2 replies
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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...

0693W00000ANqX8QAL.png 0693W00000ANqWyQAL.png 0693W00000ANqXDQA1.png
DVouf.1 by Associate II
  • 2510 Views
  • 9 replies
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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
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"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
  • 1656 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_...

Hello- New to ST32 and the IDE, and re-learning C as well. I am trying to work an example using I2C for a 2 line by 16 digit LCD. When I compile (build) I get 4 errors, need to help if you would. 1st time poster....

error: 'for' loop initial declarations are only allowed in C99 or C11 mode 223 |  for(uint8_t i=0; i<offset;i++) error: 'for' loop initial declarations are only allowed in C99 or C11 mode 234 |  for(uint8_t i=0; i<offset;i++)error: 'for' loop initial...

SScot.3 by Associate II
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  • 3 replies
  • 0 kudos