STM32CubeIDE (MCUs)

Added dual-core to title - may be significant ...Hello.I've tried rename my project in the past, and this always generate a lot of errors due to the dependencies.Which is the properly way?I am working with STM32H755. Yes, dual-core.Thanks!

Title edited to indicate that this is specific to J-Link.Hi,After updating to STM32CubeIDE 2.1.0 I get the following message after starting a debug session. Live expressions do not work.From the console:SEGGER J-Link GDB Server V9.14a Command Line Version JLinkARM.dll V9.14a (DLL compiled Jan 28 2026 17:11:52) Command line: -port 2331 -s -device STM32F769NI -endian little -speed 4000 -if swd -swoport 2332 -vd -rtos C:\ST\STM32CubeIDE_1.11.2\STM32CubeIDE\plugins\com.st.stm32cube.ide.mcu.externaltools.jlink.win32_2.5.200.202601091506\tools\bin\GDBServer\RTOSPlugin_FreeRTOS.dll -----GDB Server start settings----- GDBInit file: none GDB Server Listening port: 2331 SWO raw output listening port: 2332 Terminal I/O port: 2333 Accept remote connection: localhost only Generate logfile: off Verify download: on Init regs on start: off Silent mode: off Single run mode: on Target connection timeout: 0 ms ------J-Link related settings------ J-Link Host interface: USB J-Link script: none J-Lin

HiAs I experienced some problems with 2.1.0, I reverted to 2.0.0 and in that process I seem to have gotten the error:Program "gcc" not found in PATH - "[Discovery options] page in project properties"I followed the instructions found in the stm32CubeIDE user guide https://www.st.com/resource/en/user_manual/um2609-stm32cubeide-user-guide-stmicroelectronics.pdf, but the problem persists.Is there a way to manually clear this from any of the configuration XMLs perhaps?The code does still compile and creates binaries, so the error is just a nuisance.[Edit] spellingBest regardsMartin 

在官网下载的CLT工具链安装包，管理员运行后显示如图报错该怎么办？

I am facing an issue in STM32CubeIDE on Windows where the I/O Configuration / Pinout & Configuration window is not appearing after creating or opening a project.Normally, when opening the .ioc file, the Device Configuration Tool (CubeMX interface) should open showing the MCU pin diagram and peripheral configuration options. However, in my case, this interface is not appearing.Issue Details:Operating System: WindowsSoftware: STM32CubeIDEWhen I create or open an STM32 project, the Pinout & Configuration view does not open.The .ioc file either does not open correctly or the graphical configuration window is missing.Because of this, I cannot configure GPIO, ADC, UART, or other peripherals.Expected Behavior:Opening the .ioc file should display:Pinout & ConfigurationClock ConfigurationProject Managerwith the MCU pin diagram and peripheral configuration options.What I Have Tried:Opening the .ioc file manually from Project Explorer.Restarting STM32CubeIDE.Resetting the perspective.

Hi,When I worked on the Discovery kit with STM32F769NI MCU it supported in the STM32CubeIDE/MX the  LWIP package (from 2025) with FreeRTOS/V1. Now when I pass my project to NUCLEO-H563ZI I see in the TM32CubeIDE/MX that ST will not support the LWIP with FreeRTOS anymore. FreeRTOS is only v2 in this board.Is someone integrete the LWIP package on NUCLEO-H563ZI with FreeRTOS/v2? The code main files that should be changed from STM32F769NI to NUCLEO-H563ZI  are LWIP/App/lwip.c, LWIP/Target/ethernetif.c/h, LWIP/Target/lwipopts.h, main.c.Is there any project in git that have done this miggration for LWIP package (code from 2025) and using FreeRTOS/v2 in it's LWIP package? Or share with me those 4 LWIP files for NUCLEO-H563ZI board. Thanks.

Hi I have created a project using STM32Cube.AI Studio. I am able to successfully run and generate the project from the tool. After that, I can open the project in STM32CubeIDE and build it without any issues.However, while debugging, I encounter the error shown in the image below.I am able to debug the image classification and face detection sample projects provided by ST without any issues. Therefore, I suspect that there may be a problem with the project configuration generated by STM32Cube.AI Studio.The evaluation board I am currently using is the STM32N6570-DK.Please help me to resolve this issue?

I am experiencing a problem with RTOS Proxy in STM32CubeIDE 2.0.0/2.1.0 when debugging a ThreadX application on STM32H753 using a SEGGER J-Link.The same setup works correctly with STM32CubeIDE 1.19.0, but after upgrading to 2.0.0/2.1.0 the debugger aborts during the flash download when RTOS Proxy is enabled. If I use J-Link Kernel Awareness instead RTOS Proxy everything works fine.ConfigurationMCU: STM32H753BIRTOS: ThreadXSTM32CubeIDE: 2.0.0RTOS Proxy: ThreadX / Cortex-M7Debug probe: SEGGER J-Link Ultra+J-Link GDB Server: V8.80Interface: SWDDebug configuration:RTOS Awareness: EnabledRTOS Kernel Awareness: RTOS ProxyRTOS: ThreadX (Cortex-M7)ProblemWhen starting a debug session, the debugger stops at the point where the firmware should be downloaded.The following error appears:Remote communication error. Target disconnected: Not a directory.Failed to execute MI command:load <path>/app_1500_xg.elfwhere <path> is the correct and full absolute path to my elf file.After the

Hi,Having just updated to STM32CubeIDE 2.1.1, I've created an STM32CubeIDE Empty Project (the only apparent relevant option) targeting the STM32F072 Discovery Kit as I want to experiment with the touch sensing capabilities, however when the project is created I don't see an IOC file. Has the workflow reverted to using STM32CubeMX to create the IOC file etc. please?Kind regards,Al

Why, oh why have you separated IDE and MX such that .ioc files can no longer be opened in IDE?I cannot imagine any benefits and it makes the IDE significantly worse, such that I've felt compelled to revert to version 1.19.0 ( go to Help -> About STM32CubeIDE -> Installation Details -> Installation History -> select version -> Revert)I couldn't find any other means of feeding back my strong dislike of this change other than a post like this. I hope version 2.1.0 comes out soon and re-integrates MX and IDE!

 Hi everyone,I am experiencing issues with Task Aware Debugging (FreeRTOS Task List) in the latest version of STM32CubeIDE. The "FreeRTOS Task List" view is either empty or not populating correctly, despite the scheduler running and tasks executing effectively on the hardware.Environment:IDE: STM32CubeIDE (Latest Version)MCU: STM32H7S3L8H6xFreeRTOS Version: V10.6.2 (CMSIS-RTOS V2 wrapper)STM32Cube 2.0.0Interestingly enough, the runtimestats itsef are working.Does anyone have similar issues?   /* USER CODE BEGIN Header */ /* * FreeRTOS Kernel V10.6.2 * Portion Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. * Portion Copyright (C) 2019 StMicroelectronics, Inc. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in * the Software without restriction, including without limitation the rights to * use, copy,

Dear STM32CubeIDE Support Team,while analyzing the memory usage of my STM32 project, I noticed a potential inconsistency in how memory units are displayed in STM32CubeIDE.Both the Build Analyzer and the memory overview label the values as “KB”, but the reported numbers clearly correspond to KiB (1024 bytes) rather than kB (1000 bytes). This behavior matches the output of arm-none-eabi-size, which reports sizes in bytes.For example:arm-none-eabi-size reports Flash usage as:text + data = 64824 + 148 = 64972 bytesConverted to kB (1000 bytes), this would be:64.972 kBHowever, STM32CubeIDE displays:64972 / 1024 = 63.45 KiB, while labeling the unit as “KB”As a result, summing RAM and Flash values only produces consistent results when interpreting the displayed “KB” values as KiB. The current labeling can therefore be confusing, especially when documenting or comparing memory usage.I have attached two images that illustrate this behavior and show the comparison between arm-none-eabi-size and t

Hi, I want to know when the C/C++ Indexer will be updated to the latest C standard, that is, C23? I want to use some new language features, like double square brackets for attributes, but it still shows a syntax error, even though the code compiles without problems.Also, I would like to know when GCC 15 will be available. Best regards,Artur 

I've just installed the new STM32CubeIDE 2.1.0 and I came across some issues that didn't exist in previous versions.First, I noticed that the compiler always compiles all the source files even though only one source file was modified. I have large project with many source files and it takes about 2 minutes to compile all files. It's very annoying.Second, when launchinig debug session all the source files are compiled again. It didn't work that way in previous versions of STM32CubeIDE. If the files were compiled previously, the debug session was launched immediately.Is it possible to change this behavior but turning off some options or do I have to install older version of STM32CubeIDE ? 

A few days ago I updated STM32CubeIDE from version 2.0.0 to 2.1.0. (Build: 27993_20260219_1630 (UTC))Now there is a problem. There seems to be no longer any such thing as a "partial" build. Example: My project consists of about 50 ".c" and ".h" files. In the old version, if I edited one of the ".c" files and did a build, only the file that was edited got re-compiled, followed by (as expected) linker and hex file generator. Now, in this version, every build re-compiles ALL the files, even if nothing was touched since the last build. This is time-consuming. How can I stop this and get it to re-compile only the changed files? (If it matters, target CPU is STM32H753BIT6; using FreeRTOS and FATFS.)

Cube IDEIf i create / Import STM32 ProjectI only got these options to pick from and i have the feeling something is missing.  So i select:- STM32CubeIDE Empty Project which leads me to this:So i select my MCU: STM32G474RETx (for example).This leads me to this:All i can really do is creating an empty Project.This is wrong? I have the feeling it completely ignores which STM Chip i select. I would expect a question if i would want to use CMSIS, LL or HAL drivers.What i am left with is this:Notice that there is no Drivers folder at all and that i cannot select any of the given Libraries.To me this doesnt make any reasonable sense. Its almost like an empty C/C++ Project.The only way to get the drivers folder into my project is to go the route via CubeMX.Which also has its twirks.I sort of always have to select only the MCU on my board instead of the board itself.When i select the Board (in this particular case the NUCLEO-G474RE) then CubeMX will always export also the FreeRTOS CMS

Hi,among probably many other registers, the ITM registers like TCR and Stimulus Port Registers described in the ITM programmers model in ARM Cortex-M7 Processor TRM are missing. Which means I either have to adapt the svd file or go to memory view and translate and modify the registers manually. Is this on purpose and or are there plans to fix this? If you have a repository somewhere I can maybe fix that on my own and start PR.Ty in advance

Is it ok to use different build configuations for different pinout version?As you may have experienced, sometimes pcb version how the pinout. Sometimes another UART or TIMER is used in another pin etc,... Is it ok to  use different build configuations for different pinout version?

It seems that after I updated MacOS to Tahoe 26.2 the IDE does not show selected text if over multiples lines correctly. This is a nightmare to work with, as it does not show selected text and can make you delete (overwrite) lines while editing.Anyone else? Is there a setting to fix it?

Hi Team,I’m prototyping on a Nucleo-F303RE using STM32CubeIDE. In the clock configuration, I set the system clock to 36 MHz from HSI (HSI → PLL with the /2 divider), as shown in the clock tree screenshot. However, my firmware misbehaved. After debugging, I found that SystemClock_Config() function isn’t applying the HSI/2 divider when feeding the PLL. Instead of: RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;CubeIDE generates: RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2; This effectively makes the system clock 72 MHz instead of the configured 36 MHz.Did I misconfigure something in the clock setup, or is this a CubeIDE code-generation bug when using HSI with the PLL /2 divider?

Hi all,I'm having an issue with a pre-existing project. It was initially built a few months ago on version 1.16 of the IDE, and confirmed to be working. I have since updated to stm32cube ide version 2.1, and am having an issue with this project not being able to launch.  The projects builds with zero warnings or errors as expected, but on trying to flash my board I get "Unable to launch. the selection cannot be launched, and there are no recent launches".    One change I made (that I'm not sure if it is relevant) is updating the GCC flags to inlcude "-Wno-implicit-function-declaration", as it was having trouble finding a C wrapped extern method.  I have seen a previous thread that resolved this issue by using the example importer (Solved: Unable to launch, The selection cannot be launced ... - STMicroelectronics Community), but I want to avoid that to prevent any unintended changed to the current project structure. Additionally, unless I have a m

Hello. I have the following problem. When I enable flto optimization in a (freshly generated) project, several dozen warnings appear during compilation.Sample warnings:Drivers/STM32L4xx_HAL_Driver/Src/subdir.mk:88: warning: pattern recipe did not update peer target 'Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_cortex.su'.Drivers/STM32L4xx_HAL_Driver/Src/subdir.mk:88: warning: pattern recipe did not update peer target 'Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal.cyclo'.This problem was not present on the previous version 1.13.2How to solve this problem?

Split from CubeIDE incorrectly flags __attribute__((fallthrough)) as syntax error.I've also noticed it doesn't like the use of static_assert at file scope: 

Hi all.  I have been witnessing a rapidly shrinking amount of free space on my C drive.  On a regular drive clean up of non-essential data, I can generally remove 1 Gigabyte or so of temporary files.  This however, does not account for the rapid depletion of available free space. On further investigation, I looked into the 'Other' (Manage other large folders) section of the 'System -> Storage' properties of my Windows 11 C drive.  I was a little gob-smacked to discover that - between them - the ST related folders: stm32cubeide, stm32cubemx, STM32Cube and ST contain over 100Gb of data.Obviously allowing for software packs and the various STM applications in daily use, I found a considerable amount of data was held in several .jxbrowser folders across more than one location.  For example, the .jxbrowser-7.38.2 folder inside the stm32cubemx directory - alone - is at a whopping 17.5Gb.  I don't see any way of cleaning them or whether or not it is safe

How to configure parallel compilation in cubeide, that is, "j-4" "j-8" and I encountered an error in the Windows 87 code, how to solve it, I changed the path and still couldn't do it··········································································································································00:10:38 **** Build of configuration Debug for project fishboat_2 ****make -j4 allarm-none-eabi-gcc "../Middlewares/Third_Party/FreeRTOS/Source/portable/MemMang/heap_4.c" -mcpu=cortex-m3 -std=gnu11 -g3 -DDEBUG -DUSE_HAL_DRIVER -DSTM32F103xB -c -I"D:/studystudystudy/Cube_32F1/fishboat_2/Middlewares/Third_Party/FreeRTOS/Source/portable/GCC/ARM_CM3" -I"D:/studystudystudy/Cube_32F1/fishboat_2/Middlewares/Third_Party/FreeRTOS/Source/CMSIS_RTOS_V2" -I"D:/studystudystudy/Cube_32F1/fishboat_2/Drivers/CMSIS/Include" -I"D:/studystudystudy/Cube_32F1/fishboat_2/Drivers/CMSIS/Device/ST/STM32F1xx/Include" -I"D:/studystudystudy/Cube_32F1/fishboat_2/Drivers/STM32F1xx_HAL_Driver/Inc" -I"D