STM32CubeIDE (MCUs)

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...

Resolved! Why is there significantly more flash usage in default debug configuration than in release?

I've been playing around with a simple F103 project on CubeIDE and notice that the default debug configuration requires much more flash than the release, 31.64K vs. 15.25K. Why is this?What is the difference in these configurations that creates this ...

Hello, I just installed STM32CubeIDE & tried to build my 1st blinking led with a cheap STM32F030, but, although the .elf was generated, I could not get it to the board -> "localhost:3333: The system tried to join a drive to a directory on a joined drive".

Resolved! On some of the programs I compile using STM32CubeIDE with GCC compiler, I get warning question marks against some of the IDE generated code - indicating that a ';' is missing from the end of the statement. But the ';' is present. Why is this so?

I have attached a picture of the compiled code.

In USB CDC mode " hcdc->TxState = 0" not set to 1 after a few bunches of data transmitted on USB.

In my project i am print my log using printf function and in syscalls.c file i am print my printf log using CDC_Transmit_FS function.__attribute__((weak)) int _write(int file, char *ptr, int len) { CDC_Transmit_FS((uint8_t*) ptr, len); return len...

Resolved! [Solved] How do I reconnect STM32CubeIDE 1.4.0 to online Information Center ?

Hi,I recently booted the IDE but forgot to set my mobile phone as a hot spot. Now IDE looks for Information Center on HDD.

Making variables visible to a header file

Hello,I'm using a STM32CubeIDE.A lot of the in the main.c file is auto generated.For example:UART Handlers, DMA Handlers etc.I also have a header file where I wrote a lot of user custom functions inside a file named: custom.hThe functions in this hea...

How to change a variable value in the "Expressions" window ?

Hello,I'm new to STM32CubeIDE ... and I'm having a lot of trouble.I'm trying to change the value of a variable in the Expressions (or Live Expressions) window and I can't. I can change the values on the screen, but as soon as I “enter�? the value r...

Resolved! Header files not being found even though the correct path is included in the project and resolved in the Project Explorer under Includes

Hi, I had added include paths for some header files, but they are not being found as shown in the image. I went to Properties > C/C++ General > Paths and Symbols > Includes to add the include paths. I confirmed that these paths exist in Properties > ...

General Register modification during debug possible ?

Is-it possible during a debug session to modify general registers (e.g r3 ) .Context: Win 7 host with Virtual Box 6.0.4 for client Ubuntu 18.04 running STM32CubeIDE 1.2.0 on the integrated debugger of the Nucleo demoboard with STM32F412ZGHelp Center ...

printf will miss some data during large amount of print

I am using nucleo-H473ZI2 with CubeIDE. When I was trying to print a 1024-long int array, the SWV ITM Data Console will not be giving me all 1024 values.I implement printf to ITM Stimulus port by writing this function in main.c:int _write(int file, c...