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...

Unable to get a valid ADC-value

Hello everyone,at first the Discoveryboard I'm using is the P-L496G-Cell02 / STM32L496G-DISC.To test the ADC I tried to recieve a value from a potentiometer. So I started a new STM32CuvbeIDE project, Selected the board I'm using and changed the Pins ...

FEich.1 by Associate II
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  • 11 replies
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Resolved! STM32CubeIDE Not Responding after update

I recently updated my IDE, and when trying to open my project I get the expected "Project has been created with 5.6.1 and needs to be updated", but whether I click "Migrate" or "Continue", the whole IDE just goes to "not responding" and I have to clo...

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GearHead by Associate II
  • 939 Views
  • 3 replies
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[NOT Solved] F407 and SanDisk Cruzer Blade 16GB don't work (32GB work)

I tested 3 pendrives, 4GB (Samsung?), 16GB and 32GB (SanDisk Cruzer Blade).​Two worked on the STM32F407VG.​SD card adapter also doesn't work, 8GB (Kingston), 2GB (Generic), 16GB (Sandisk Ultra).​SanDisk Cruzer Blade 16GB don't work.​Using USB host wi...

by Not applicable
  • 5354 Views
  • 19 replies
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UART4_RX and UART5_RX requests were not downloaded

HI everyone,Sorry I am not familiar with STM32Cube IDE.After I created a workspace for my project, I encountered an warning message that says "UART4_RX and UART5_RX and UART4_TX and UART5_TX_DMA requests were not loaded."If I encountered this, what i...

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DSant.1 by Associate
  • 603 Views
  • 2 replies
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When I create a new stm32project and I try to debug it, STM32CUBEide give me the follow message: "Break at address "0xfffffffe" with no debug information available, or outside of program code." What I can do?

I've found in a forum the follow indication:"The address is outside of any allowed code addresses in a Cortex-M4. The code has probably tried to use unprogrammed flash (0xffffffff) as a return address, see the contents of the link register (R14)."How...

FSvig.1 by Associate
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  • 1 replies
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Why '.bss' was created in both Flash and RAM? This causes "section `.bss' will not fit in region `RAM'" in my application.

Hi All,I have created a STM32 application using STM32CUBDEIDE. I'm using STM32F469IH6 for this project.I have declared few uninitialized variables in one file. I know this affects ".bss" section but it is required in my code. This causes an error say...

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HNall.1 by Associate III
  • 3627 Views
  • 8 replies
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Resolved! Use second firmware as function, called when necessary

Hi!I want to use 2 firmware on the same microcontroller, one is written at 0x8000000 with ram starting at 0x20000000. The other is flashed at 0x8040000 with ram starting at 0x20010000.The first firmware should use the second as a function. So i alloc...

LSpad.1 by Associate III
  • 940 Views
  • 3 replies
  • 0 kudos

STM32 OTA? Goodbye to ST-Link? How to upload via internet?

I found a project that allows the programming of STM32 via OTA, it would be very interesting if the STM32CubeIDE could work directly with this.[STM32 OTA using esp8266]:https://www.youtube.com/watch?v=aqYHebO789UDoes anyone know if it is possible to ...

by Not applicable
  • 1385 Views
  • 2 replies
  • 1 kudos