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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STM32CubeCLT 1.19.0 released

We are pleased to announce that the release 1.19.0 of STM32CubeCLT is available. What is new in 1.19.0: Support for ST Arm Clang toolchainMaintenance of the previous versionUpdated in accordance with STM32CubeIDE v1.19.0 Main fixed issues in 1.19.0: ...

Resolved! [Resolved] STM32CubeIDE project creation issue

Updated post to reflect permanent fix Dear STM32CubeIDE user, Further to the recent STM32CubeIDE project creation issue, we would like to inform you that a solution is now available for you. This permanent fix applies to all STM32CubeIDE versions. I...

STM32CubeIDE 1.19.0 released

We are pleased to announce that the release 1.19.0 of STM32CubeIDE is available. What is new in 1.19.0: Microcontroller, microprocessor, and board lists aligned with STM32CubeMX v6.15.0:Added the support for STM32MP21xx microprocessors to the STM32MP...

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...

Compiler optimization does not produce correct code

Hi there,I have encouraged a strange behavior inside newlib_lock_glue.c.On few devices the code does note execute correctly when the optimization is turned on.To me it looks like the optimization throw away the return and just continue evaluating. th...

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Fero by Associate II
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  • 3 replies
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STM32CubeIDE memory browser display bug.

Software:Version: 1.10.1Build: 12716_20220707_0928 (UTC)When I use the Memory Browser and display 32 bits wide, and hover my mouse over the LSB, it shows as at address 0x2001FFE3But, if I change the display to 8 bits wide, it clearly shows the LSB at...

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JJaco.8 by Associate
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  • 1 replies
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Examples do not always run/compile ?

I'm really confused with these examples. I started a new project using the Cube IDE and all works perfectly. I was never a fan of Cube IDE ( 2015 ) but coming back to ST and using Cube IDE I have to say it is rather nice. ... Until you run any examp...

ulao by Associate III
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  • 3 replies
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Resolved! Linker error using static library

Hello,I use an open source projet (open62541 on github) to get OPC-UA implementation over lwip.When my projet is compiled with open62541 source code, it's works without error.But the 2 files generated 'open62541.c' and 'open62541.h' are very big (aro...

thln47 by Associate III
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  • 2 replies
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Debug issues

I defined a structure in the H file and entered the Debug mode to observe it, but in single-step debugging, whether it is Expressions or live, the changes are always inconsistent, and I have not checked this structure elsewhere. Assignment, what is t...

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