STM32CubeIDE (MCUs)

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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
  • 1703 Views
  • 0 replies
  • 1 kudos

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
  • 638 Views
  • 0 replies
  • 0 kudos

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...

Multi Core Debug Problem, Single Core Debug OK

In an effort to track down an unrelated problem, I switched back to using my H7 DISCO board and the HSEM_CoreSync sample application. If I debug only the CM7 code, or only the CM4 code, I can step through any/all lines. However, if I try to multi-cor...

CCoder_0-1770136630625.png CCoder_1-1770136761175.png
C-Coder by Associate III
  • 411 Views
  • 3 replies
  • 0 kudos

SFR view crashes STM32CubeIDE

Whenever I try to use the SFR view window, it consistently crashes the IDE. Completely hangs up, not responding to anything (e.g. resizing the window) anymore.. left it sit for 15min (way too long) no responsiveness.I can easily reproduce this by lau...

Hans1990 by Associate
  • 4737 Views
  • 10 replies
  • 3 kudos

Resolved! STM32N657: can't get the debug SWO port to work

Hello, I'm starting a new project with the N657 device.  I can't get the debug SWO port to work. 1- I'm redirecting the putchar to the SWO port: int __io_putchar(int c) { ITM_SendChar(c); // HAL_UART_Transmit(&huart3, (uint8_t *)&ch, 1, 0xFFFF); ...

mattcrc_0-1771307694336.png mattcrc_1-1771307792438.png mattcrc_2-1771307894172.png
matt-crc by Senior III
  • 420 Views
  • 2 replies
  • 1 kudos

NUCLEO-N657X0-Q unable to upload code

I have been trying for hours to upload code to the STM32-N6 and I am simply out of ideas. I only managed to upload debug code to RAM once, then I tried erasing the flash on the PCB using STM32CubeProgrammer (which worked, the standard code is not on ...

D4v1dV4c by Associate II
  • 705 Views
  • 4 replies
  • 1 kudos

Resolved! Outdated information about inclusion of STMCubeMX in IDE

The main website states:"STM32CubeIDE integrates STM32 configuration and project creation functionalities from STM32CubeMX to offer all-in-one tool experience and save installation and development time. "https://www.st.com/en/development-tools/stm32c...

JLodd.1 by Associate II
  • 675 Views
  • 6 replies
  • 3 kudos

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...

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