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 2.0 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...

STM32CubeIDE 1.18.1 released

We are pleased to announce that the minor release 1.18.1 of STM32CubeIDE is available. What is new in 1.18.1: This minor release will not bring any major updates to the STM32CubeIDE 1.18.1. It will be aligned with the STM32CubeMX 6.14.1. Main fixed i...

STM32CubeIDE 1.18.0 released

We are pleased to announce that the release 1.18.0 of STM32CubeIDE is available. What is new in 1.18.0: Microcontrollers, microprocessors, and board lists aligned with STM32CubeMX 6.14.0: Added the support for STM32WBA6xxx microcontrollers in the STM...

STM32: No device found

Im attempting to program an stm32H523CET6 MCU, i bought an ST-Link for it, and begun trying a basic blink sketch, debug said no errors and proceeded to load it onto the MCU. However, it displays the following: Target no device found Error in initiali...

tekky0_ by Associate
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Resolved! Debug session erases more FLASH than expected

I've got an STM32G431 project that uses half of the FLASH (64K) for a boot loader and half for an application.I can successfully load both of these programs using STM32CubeProgrammer, but I am not able to debug the boot loader in STM32CubeIDE as the ...

CTapp.1 by Senior II
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  • 3 replies
  • 1 kudos

Missing value in the STM32CubeIDE SFRs window

While testing the X-CUBE-EEPROM library in STM32CubeIDE (v1.18.1), I observed the FLASH->CR register in the SFRs window. I noticed that the display for BKER (bank erase select bit) is missing in the FLASH_CR register. Please try to correct this in th...

BPrem.1 by Associate II
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Float format string error

I am using STM32CubeIDE version 1.18.1, and when using float formatting, STM32CubeIDE shows me an error with red squiggles about float formatting not being enabled in my toolchain.When I go to Project Properties > C/C++ Build > Settings , I see no 'T...

STM32 N657X0-Q Code generation is not working

I am using Stm32 N657X0-Q board with a stm32cubeide version 1.18, started with creating new project-> gave name-> selected appli in project structure-> selected gpio pin PA5 as output -> and generated code but in code generation under core-> there is...

Resolved! Different project context menus in 1.18.1

Hi, I have two PCs (Windows 11) with STM32CubeIDE 1.18.1.Although both copies of STM32CubeIDE should be the same, the Project context menu looks different (see attached screenshot). Actually one copy is missing menu items like "Convert to C".Reinstal...

psfahr by Associate
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  • 2 replies
  • 3 kudos

Can't set breakpoint on CM4 in two-core setup

We've got a STM32H747IGT6 which is the two-core version (one M4, one M7).  I've got GDB servers running on ports 61238 (CM4) and 61234 (CM7) and then running two instances of GDB (one for each server).  GDB says it's happily connected, and I can load...

cbcooper by Associate III
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