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...

DBGMCU_CR_DBG_STOP setting ignored

Setting DBGMCU->CR.DBGMCU_CR_DBG_STOP should allow debugging in STOP mode; eg, from ST examples: /* Allow debugging in Stop Mode */ DBGMCU->CR |= DBGMCU_CR_DBG_STOP; /* Enter Stop Mode */ HAL_PWR_EnterSTOPMode( PWR_LOWPOWERREGULATOR_ON, PWR_S...

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Cubeide deletes files if disk is full

So weird behaviour: my disk was running full, while i was modifying a file. When trying to save instead of aborting it just emptied the whole file, what a *** weird behaviour, other editors would just do nothing. 

TwixMeow by Associate
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Extern variable error

Hello,I'd like to use some extern variables in my code, but I always get the error "undefined reference to ..." and I can't find what I am doing wrong.In the timer.h file I declare the variable as: extern volatile uint8_t start_adc_flag;I included th...

.ioc nightmare on Linux

Can someone please shed some light on why opening an .ioc file on Linux is like Russian roulette. Sometimes it works, sometimes you get a blank screen, sometimes nothing at all and sometimes 'Yes!!! it's working'.Running IDE 1.16.0 on Linux Mint 21.3...

FFont.2 by Associate II
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Resolved! Can't override a '__weak' function

Hi,I write my own 'void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi)', intend to override the default weak one. But when debug, my version is never called, it always steps into the 'weak' one. I'm new to CubeIDE, the version is 1.16.0, any sugge...