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...

Why this difference? ELF vs. binary image

Using CubeIDE 1.1 with its default toolchain.How can be explained the following mismatch between the ELF file loaded to the MCU via debugger and binary file created with objcopy? (arm-none-eabi-objcopy -O binary foo.elf foo.bin )I've read the image b...

Pavel A. by Super User
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SPI function in STM32091C-Eval using STM32CubeIDE

Hi, I want to use SPI function from the evaluation board to connect to an FPGA. However I see that the MOSI port at pin PE15 at connector CN7 does not response. In Userguide UM1817, Table 23 said, to disconnect with function block on STM32091C-EVAL b...

CubeIDE v 1.1 - problem with SWO debug output

It looks like the CubeIDE debugger (GDB server) has issues with SWO output.When I enable SWO output in debug config and actually print something, only first few lines appear in the SWV ITM data window. Then one of following occurs:Debugger loses conn...

Pavel A. by Super User
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Problem with nearly new Nucleo F722ZE

New Nucleo-F722ZE initially worked fine (initially prompted for software update). But after approx 3 hours when trying to Run->Debug , it now shows:Waiting for debugger connection...Debugger connectedDebugger connection lost.Shutting down...Power cyc...

STM32F429 Discovery CUBE IDE SWV printf not working

I'm using STM32F429 Discovery board and CUBE IDE. I have set the Serial Wire Debug, in debug configuration, I enabled SWV, set the core clock, enabled live expession. In main.c I wrote this part of the code int _write(int file, char *ptr, int len){  ...