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...

STM32CubeIDE 1.8.0 Debugger starts, but exits immediately

I upgraded to 1.8.0 and it worked OK for a few days. Now whenever I try to Run or Debug (F11) program using ST-Link, the debugger starts, connects, but then immediately exits without error. The console shows:Waiting for debugger connection... Debug...

willcfj by Senior
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ALakh.1 by Associate II
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STM32F030F4P6 USART transmit is not happening correctly

Hello folks,I've been started learning STM32 uC and doing UART implementation using HAL library. In this I could see the the transmitted data is received in my tera term terminal, but it is not the one which is transmitted from the code. My code is b...

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PB.4 by Associate II
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Resolved! Where to check final binary size on CubeIDE1.8.0?

Hello, I want to know final binary size after build like IAR.Currently final output os CubeIDE is Elf file, so I do not know what size it is.(When I use IAR, It showed final binary size on terminal and could also generate binary file.)Is there anyone...

Tiel by Associate II
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Resolved! Problem uploading code in custom board.

Hi I designed a custom board based on the STM32G030K8 MCU, I was able to upload my code on the device successfully and the device was working fine, I updated the code a few times and was able to successfully upload the code to the board. However I di...

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APant.1 by Associate II
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STM32Cube. Fail to start GDB server

When I try to flash the stm32G pops up the error "fail to start GDB server.Looking on internet.I have found in the form that a cos.of this error could be Avast antivirus, but even if i have uninstalled it, does not solve my issue.​

FTrom by Associate II
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LWIP over USB with stm32CubeIDE

Hi,Create an http server using ETH and LWIP middleware is easyI would like to use LWIP but using USB_OTG.Do you plan to implement such solution, or does it exist an example of implementation ?Thanks