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...

Resolved! debugger via UART without ST-LINK on NUCLEO-H755ZI-Q

hello ST Community!I'm trying to connect via UART without USB ST-LINK to the NUCLEO-H755ZI-Q for debugging from the STM32CubeIDE environment, but I can't connect.What settings do I need to make in the STM32CubeIDE environment to debug via UART?I trie...

Domy_ST by Associate III
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  • 18 replies
  • 5 kudos

Debugger Live expressions data corrupted

Hi there,I'm debugging an STM32L081 project with an ST-LINK/V2 ISOL, and the Live Expressions data during the debug session is corrupted.Sometimes, removing all expressions, stopping the debug session, and/or power-cycling the processor makes the dat...

C23 syntax highlighting in STM32CubeIDE (e.g. constexpr)

The STM32 toolchain based on gcc 13.3 already supports a lot of C23 features, e.g. constexpr. This is really awesome.But the current version of CubeIDE seems not to be able yet to parse these new features, so syntax checking / highlighting / code lin...

A.D. by Senior
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  • 5 replies
  • 3 kudos