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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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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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
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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...

Unable to flash new firmware. Nucleo F722ZE on MacOS

I've been working on a project for a while (I2S based). I seem to have done something to confuse the IDE. Now when I try and debug, it says it's connected, but the Nucleo F722ZE is still running the previous firmware. The debug does not step into the...

How to initialize LPUART1 in STM32CubeIDE on b-l072z-lrwan1 ?

Hello.I was having a problem about initializing the LPUART1 on b-l072z-lrwan1 using the built-in CubeMX code generation in STM32CubeIDE.The problem was when I started debugging the code seems to run fine until the execution reaches MX_LPUART1_UART_In...

SirapK by Associate
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JSON C library is not work in RTOS.

Hello,I am working on json-c and cJSON library in stm32cubeide and it works fine without RTOS. But when I switch to RTOS , both library not working. They are showing different error.json-c :- when I call "json_object_object_add" function, then progra...

R. by Associate II
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UART5 transmits before reaching main when debugging.

I am new to STM32xxxx and STM32CubeIDE/MX. I am using a STEVAL-IDP004V1 board with an ST32F4205RBT. I am trying to do a simple Hello World test program that simply transmits "Hello World!" via UART5 and an ST3485 RS485 chip.The problem is, once the...

AHefn by Associate II
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