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...

Resolved! CubeIDE 1.11 error while creating STM32F4 FreeRTOS project

Looks like serious regression from 1.10.1. Steps to reproduce: Select STM32F401 or F411 MCU, Enable FreeRTOS. The generated main() function in main.c file does not contain the section creating the FreeRTOS objects (task, queues, etc.). Instead, the c...

gbm by Principal
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  • 2 replies
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Is there any way to change HAL's SDMMC_DATATIMEOUT?

My system has a user-removeable SD Card. If there is a problem with the card at initialization time, the system gets stuck looping in SD_FindSCR() at stm32l4xx_hal_sd.c:3,970 0x8039632 SD_WideBus_Enable() at stm32l4xx_hal_sd.c:3,822 0x803947a HAL_S...

CKugl.1 by Senior II
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  • 9 replies
  • 1 kudos

Error in final launch sequence: Failed to start GDB server

Hi,I wrote a code with stm32f407vg board on stm32cubeide.There was no error in build, but when I run this program, there is error like title.The full contents in error message is:Error in final launch sequence:Failed to start GDB serverFailed to star...

qcho.1 by Associate II
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Why does my STM32CubeIDE -> Window -> Show View -> FreeRTOS -> FreeRTOS Task List -> FreeRTOS Task List -> Stack Usage only show 1/4 of the actual usage in percent for Tmr_Svc?

I'm working with the "NUCLEO-U575ZI-Q" development board and I compile using STM32CubeIDE 1.11.0. My project uses FreeRTOS and I have clicked Window -> Show View -> FreeRTOS -> FreeRTOS Task List. When I look at the Stack Usage for Tmr_Svc it appears...

arnold_w by Senior II
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  • 4 replies
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Cubeide Internal Error

Hi,I get an error like this when I first compile any project, regardless of controller and code. This error occurs after the project is successfully compiled. If there is an error in the code, this error does not occur because the compilation is not ...

AUNAL.1 by Associate
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STM32CubeIDE -> Window -> Show View -> FreeRTOS -> FreeRTOS Task List -> FreeRTOS Task List only shows addresses, not userfriendly object names

I'm working with the "NUCLEO-U575ZI-Q" development board and I compile using STM32CubeIDE 1.11.0. My project uses FreeRTOS and I have clicked Window -> Show View -> FreeRTOS -> FreeRTOS Task List. However, when I halt execution and take a look at the...

arnold_w by Senior II
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  • 1 replies
  • 1 kudos

Resolved! Application runs very slow using the debugger

Debugging via SWD using either STLink or JLinkEdu from STM32CubeIDE to a STM32F405, I've noticed the application runs around 16 times slower when its run in the debugger.Also the USB (Virtual Com device) does not even appear on my host PC when the de...