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
  • 1406 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
  • 556 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...

How can I change UI size in .ioc file view?

Hello community!!I'm using Ubuntu 22.04 with 4k monitor and my fractional scaling set to 175%, and this is what I get in STM32CubeIDE .ioc file view, which is too small to read.I tried toggling some font settings in Window > Appearance, but didn't wo...

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AO7 by Associate
  • 3928 Views
  • 4 replies
  • 5 kudos

Resolved! Can't debug - no such file or directory

Hello,I recently bought a NUCLEO-F412ZG and shortly downloaded STM32CubeIDE.However, I only tried to debug and launch the generated program, without changing anything, and came across this error message :Checked the path, all is good. I can't seem to...

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leamrl by Associate
  • 3077 Views
  • 3 replies
  • 5 kudos

Resolved! 'used' attribute Appears Ineffective

Hello,According to the manual , "This attribute, attached to a variable with static storage, means that the variable must be emitted even if it appears that the variable is not referenced."In the following code, unreferenced_variable is always discar...

Kier by Associate III
  • 13682 Views
  • 23 replies
  • 5 kudos

Resolved! ADC won't start after Cube upgrade

Hi,I have a project on Nucleo board with STM32U575ZIT6Q. I'm using STM32CubeIDE.My ADC worked fine until i did this:After migration HAL_ADC_Start function returns error.When I generate code I use this setting:What is wierd, is that if I unselect this...

migration.PNG code gen.PNG
S-E by Associate II
  • 3786 Views
  • 8 replies
  • 4 kudos

Resolved! Question regarding STEVAL-EDUKIT01

Hello,I wonder if anyone in the community knows anything about this:I ordered the steval-edukit kit found here:https://www.st.com/en/evaluation-tools/steval-edukit01.html#overview I only got the motor controller. The website claims it is a full kit a...

OJM by Associate
  • 1949 Views
  • 3 replies
  • 1 kudos

STM32 SMBUS giving error

im working on SMBUS for STM32F4 controller, im able to enable one I2C and then add middleware for SMBUS from middleware section, and by opting SM-BUS two wire interface i can select that I2C in SMBUS menu, but after this im generating code and gettin...

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_kalpesh by Associate III
  • 2736 Views
  • 4 replies
  • 1 kudos