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...

Is it possible to use the standard library of the toolchain "GNU Tools for STM32" without using the heap area?

We are developing "STM32F769-Discovery Kit" using STM32Cube IDE.The toolchain is "GNU Tools for STM32".Functions such as printf call malloc_r and use the heap area._Puts_r ()  __sinit ()  __sfp ()  __sfmorgelue  _malloc_rIn our development project, w...

Shin-H by Associate
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Nicla Vision board integration with STM32 based boards

I see Nicla Vision board having lot of potential but the board in and of itself cannot do enough.In order to open its potential, it should be able to talk to existing STM32(STM32F407 for e.g.) based boards through either SPI or UART interface.Do we h...

MSing.8 by Associate III
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Resolved! u_printf_float - where to set for C_Linker in STM32CubeIDE?

When I compile, I get the following error: The float formatting support (-u_printf_float)is not enabled from linker flagsI can't find Linker flags/Options/Settings for C - just for MCU G++ Linker. When I chose the option, it still didn't remo...

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MFend by Associate III
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Could you show me the C data type documents in STM32CubeIDE? I want to know the data type of the GCC compiler, but I failed to find the related documents. below figure is that I found in another brand IDE.

I use STM32CubeIDE 1.9.0, the chip is STM32G474, I want to know the data type of the GCC compiler, but I failed to find the related documents. below figure is that I found in another brand IDE.Could you kindly help? Thanks!

kaka.zhuo by Associate II
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Resolved! Even after building code with optimization level -0s. There is no change in size, it just get adjusted with .text and .data.

I am facing issue of memory with Stm32L432xx, So i tried option of increase optimization level from -01 to -0s.But observe no change it just reduce in .text section... but it increased in .data segment. ultimately value is same and issue is continueB...

PSola.1 by Associate
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Resolved! Separation of STACK and HEAP

Hello,I have a general question regarding the linker script generated by STM32CubeIDE.Most of time the STACK and HEAP is placed together into the "same" internal SRAM (see section .user_heap_stack example for demonstration purpose). Note: Yes, there ...

Floki.1 by Associate II
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