STM32 MCUs Software development tools

I’m working on a small side project that involves validating user-generated words and I keep running into edge cases where legitimate words are flagged as invalid. I’ve noticed similar behavior in some lettersboxed.com, where the dictionary logic seems stricter than expected.This made me wonder: when you’re building or testing text-driven logic (especially anything language-based), how do you usually handle dictionary completeness, regional variants, or updates over time?Related to that, do you prefer embedding a static word list or relying on external sources, and how do you manage performance vs accuracy trade-offs?Curious how others here approach this kind of issue in real projects.

Hi!I'm having trouble connecting to an STLINK ISOL via STM32CubeProgrammer. The STLINK is authentic, I purchased it from digikey. The programmer is detected under Device Manager. The programmer's LED remains static red at all times. Sometimes STM32CubeProgrammer detects an STLINK device, but when I click connect it gives 10:40:01 : STM32CubeProgrammer API v2.21.0 | Windows-64Bits10:40:09 : UR connection mode is defined with the HWrst reset mode10:40:14 : ST-LINK error (DEV_USB_COMM_ERR)10:40:14 : Error: Problem occured while trying to connect Changing to software reset10:41:23 : UR connection mode is defined with the SWrst reset mode10:41:28 : ST-LINK error (DEV_USB_COMM_ERR)10:41:28 : Error: Problem occured while trying to connect And then, when I click refresh interfaces the STLINK interface disappears.Disconnecting from USB and reconnecting, when I try to update firmware and open device in update mode it givesError connecting to device ST-LINK/V2 (error 0x21

Following the article Security:How to start with STM32CubeMX Secure Manager on STM32H57 - stm32mcu I'm stuck in the step 3.2 Boot Path Configuration. At this point, STM32CubeMX had grayed out the button "Select" in Boot Path Selection. It is released only when I configure Secure Mode in Project Manager. When clicking it and trying do configure a Boot Path, I can't get the final configuration ST_iROT_UROT_SECURE_MANAGER. Am I doing something wrong?I'm trying to use STM32CubeMX to generate a project with TrustZone activated. How could I include in a project the Middlewares MbedTLS and MCUBoot? Normally it should be in the "Middleware and Software Packs" list of packs installed but I have to copy them manually. When generating code sometimes I have to copy again because they are deleted.Thank you in advance.

We are pleased to announce that the minor version 6.16.1 of STM32CubeMX is available. What is new in 6.16.1: This release addresses and resolves the issues outlined below: Users of STM32CubeMX version 6.13.0 and later may encounter a HardFault exception on STM32C0 products (STM32C011x, STM32C031x, STM32C051x, STM32C071x, STM32C091x, and STM32C092x) when using the internal HSI clock with HSI_SYS_DIV set to 1: When a user configures the system clock frequency (SYSCLK) at 24MHz value or greater, changes the HSI_SYS_DIV from its default value from 4 to 1, and increases the RCC SYSCLK Prescaler value (HSI_SYS_DIV1 > 1), STM32CubeMX generates code that temporarily configures SYSCLK with RCC_SYSCLK_DIV equal to 1. This causes the SYSCLK to be set at 48 MHz and the Flash wait state to be set at 0, which is outside of the allowed range. After migrating to STM32CubeMX 6.16.0, the ADC injected channels stopped working correctly for the STM32F3 products: The value for the Queue Inje

The Infineon AIROC-Wi-Fi-Bluetooth-STM32 Expansion Pack is an extension of the CMSIS-Pack standard established by Arm.The pack is compliant with the full CMSIS-Pack standard, with additional requirements/restrictionson the final pack to meet the STM standard. GitHub space: https://github.com/Infineon/AIROC-Wi-Fi-Bluetooth-STM32/releases/tag/release-v1.8.0What Changed?v1.8.0Support the STM32N6570-DKUpdate the H1combo clm to v3Update the btstack-integration to v.6.2.0Update the btstack to 4.1.4v1.7.1Update Wifi firmware 4373/4373E TO 13.10.246.356Update the wcm application to version 3.6Supported STM32 Boards and MCUSTM32N6570-DKSTM32L562E-DK kit and STM32L5xxSTM32H747I-DISCO Discovery kit and STM32H7xxSTM32U575I-EV Evaluation board and STM32U5xxNUCLEO-H563ZI board and STM32H5xxNUCLEO-H745ZI-I boardNUCLEO-U575ZI-Q boardSupported Connectivity ModulesInfineon's CYW43xxx Wi-Fi-BT combo chip family:CYW43012CYW43439 / CYW43438 / CYW4343WCYW4373 / CYW4373/ECYW43022CYW5551XCYW55572Com

Follow-on from CubeMX code generation from command line.I am posting again in hopes of getting meaningful answer.I tried creating a simple script text file to automate code generation for my project. The script file has all of three lines:config load DCC_tester.iocgenerate code .exitThe feedback I got on why it did not work was my .ico file was corrupted. To prove this was not the case I used a very simple project file using one of your example projects from one of your released STM32H5 bundles.The only modification I made was changing the name and making it a cmake project.I am running on Windows 11 with CubeMX installed using all defaults.I can click on the .ioc file from Windows Explorer and the MX IDE opens just fine. I can click the "GENERATE CODE" button and that also works just fine. All the files are generated as expected.I try launching using the -q using ether a PowerShell script or a command line batch file and neither completes although it looks like its trying. 

A new question moved from this thread. Thank you a lot! But still I have many questions regarding this. Like this one: I have configured the ADC with the Temperature Channel and Vref int channel to be used with DMA. However in many examples they show how to configure the rank for the DMA but the rank option is missing within my CubeMX:   Is this a bug or I'm missing something?

generated a new cubeIDE project with cubeMX, for my U585I-IOT02A board, the only things I changed are PC1 pin to high level and toolchain/ide to cubeIDE.building gives me this error : /opt/stm32cubeide/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.13.3.rel1.linux64_1.0.100.202509120712/tools/bin/../lib/gcc/arm-none-eabi/13.3.1/../../../../arm-none-eabi/bin/ld: read in flex scanner failed no matter what I do or find on internet, I can't get it fixed... I'm on arch linux and installed all stm32 softwares with aur and zip downloaded on the st site if needed.

Sir, I have installed stm32cubeide 2.0.0 which is latest version. I opened cube mx and created a new project and selected new x cube ai package and generated the code, works fine and done successfully.after that i press exit the project, then i open the project but the x cube ai package is not selected in cube mx, and even i saved also why? please help me @Nalle @LMSTM @Balabala 

Hello,Has the integrated support for CubeMX been removed in the new CubeIDE?I just updated to the latest (2.0) and now, when clicking on the ioc file of a project (created with previous version 1.19), CubeMX opens up.The top right corner has also changed.Also all the new project dialogs have changed, and it does not generate an ioc file anymore... Did my update went wrong somehow?

Hi all,Dwelving deeper into the life and soul of the STM32Cube extensions I have come across a rather evil little bug. Luckily it is quite easy to reproduce.Use CubeMX to generate a boilerplate CMake project for any STM32 chipOpen VS Code, and open the folderIn VS Code, disable STM32Cube CMake Support extensionIn VS Code, hit "F1" and type "edit user". Select "Preferences: Open User Settings (JSON)"In the JSON editor, remove the "cmake.environment" keyIn VS Code, re-enable the STM32Cube CMake SupportExpected outcome:The "cmake.environment" setting should be put into the ".vscode\settings.json" file, similar to how "cmake.cmakePath" is placed there by the extension.Observed outcome:The "cmake.environment" setting stays in the user's local settings file and affects all projects, ST and non-ST alike. The "${env:PATH}" evaluation is at the end of the line but nevertheless the setting gives preference to ST-sourced tools and executables if they happen to be found from from the folders that

Good dayI have a Custom PCB with a STM32F217ZG populated.When trying to program with the STM32CubeIDE I get a No STM32 target found error.Then I tried with the STM32CubeProgrammer and get the following:20:27:26 : UR connection mode is defined with the HWrst reset mode20:27:26 : ST-LINK SN : 0670FF36344550304303404220:27:26 : ST-LINK FW : V2J46M3220:27:26 : Board : NUCLEO-F207ZG20:27:26 : Voltage : 3.26V20:27:26 : Error: Unable to get core ID20:27:26 : Error: No STM32 target found! If your product embeds Debug Authentication, please perform a discovery using Debug Authentication In STM32CubeProgrammer I have tried the Modes in Normal, PowerDown and Under Reset. In Reset Mode i have tried Hardware Reset and Software Reset.When measuring with an scope on Pins 105, 109 and 25(NRST) I do see the Reset, Clock Pulses and something like Data Pulses but still get the error.Can someone Please help me with this error. 

CubeIDE 2.0.0 (and before as well) for MacMacOS 15.7.2 IntelRun your program in debug, forget that the processor isn't stopped, click on the SFR pane, click on any value.BOOM, spinning ball, never returns, have to force quit. Next, it leaves ST-LINK_gdbserver running and unattached, you'll have to find that and kill it or you can't restart and expect to debug again.I haven't seen a program that I had to kill and restart this often since NewtonScript on Windows 95. Grrrrr  

The code completion provided by clangd automatically introduces the header file corresponding to the functionThis is a very bad thing !A configuration item needs to be added to the setting.json to disable automatic header file insertion  

In the STM32CubeMX configuration interface, there are two identical options here.They can be configured into different options.After generating the code, it will be based on the configuration of the second option.  

Title edited to correct version number.I have not programmed in the IDE for a while.  But when I created a project, and edited the .ioc file, and told it to save and create the main.c file it did, and opened the main.c file. I am able to create a project, and it lets me go to the MX editor (I am in 1.9.0). I enable a couple of UARTS, Then I save. And it asks if I want to generate code, I say yes. And there is no code at all. There are only two files in the EPS_PDU_STM32L433RCT3 project directory the EPS_PDU_STM32L433RCT3.ioc.projectNone of the subdirectories were created, the main.c was not created. This used to work. I must have fat fingered something to screw it up. But I do not know what I did. I did see a warning on the project name in the Project ExplorerDescription Resource Path Location TypeProject 'EPS_PDU_STM32L433RCT3' has no explicit encoding set EPS_PDU_STM32L433RCT3 /EPS_PDU_STM32L433RCT3 No explicit project encodingI do not know what tha

Hi. This is a Linux problem, because with the same parameters it works on Windows. I tested with v2.21.0.I am trying to use the UART connection mode with these parameters:RTS: HighDTR: Negative pulseI can see, with a voltmeter, that the RTS/DTR signals (MCU side) change states.This is what the log shows:17:32:36:714 : RTS High 17:32:36:714 : DTR Negative pulse with delay 200 17:32:36:935 : Serial Port ttyUSB0 is successfully opened. 17:32:36:935 : Port configuration: parity = even, baudrate = 115200, data-bit = 8, stop-bit = 1,0, flow-control = off 17:32:36:935 : No Init bits value is : 0 17:32:36:935 : Sending init command: 17:32:36:936 : #byte 0x7F sent successfully to target 17:32:38:937 : Wait ends after 1 loop, dataready = 0, delay = 2001 17:32:38:937 : Timeout error occured while waiting for acknowledgement. 17:32:38:937 : No response from target received 17:32:38:937 : Retrying UART init connection... 17:32:38:937 : #byte 0x7F sent successfully to target 17:32:39:037 : Wait en

I would like to automate code generation of my .ioc file using CubeMX from command line or PowerShell.AI says its possible with the -q (quiet mode) option but it does not seem to work.

I recently switched to Mac Tahoe 26.1 and it seems since then stm32CubeMX 6.15 is not listing the contents of my Documents folder anymore. It doesn't seem like a rights management issue sincethere were no changes to the Documents rightsthey are identical to sibling folders which CubeMX would properly enumerateAnd yes, the folder does have contents and is not empty as shown in the screenshot from the file open dialog attached.Anyone experiencing similar issues? How to come around that?Best,Oliver

Hello All,I am trying to get back into Microcontroller programming by attempting to use the STM32F407 Discovery Kit. But my first difficulties are to get the STM32CubeIDE installed and configured properly and to work. I have downloaded and installed the Windows version of the STM32CubeIDE 2.0.0; and I am running Windows 11; but when creating my first project and selecting the STM32F407 Disc1, the STM32CubeIDE is not displaying the configurable Pinout of the STM32F407 that I am expecting to see as shown in the most Tutorial videos I have seen so far.  Please, help on  how I can configure the STM32CubeIDE correctly in order to program the STM32F407 Discovery Board I am trying to work with.Kindest regardsStarting_Point

as the image, after code generate in MX, instances chooser UI's graphic resolution is broken. I cannot choose any botton and projects. please solve it.

I wanted to inspect the memory using the built-in Memory View window in VS Code, but the option is unavailable even though the debugging is on at that time, and it says "Add a new view using the plus button in the Toolbar with the debugger paused. Supported debuggers: cspy, cortex-debug, cppdbg."Is this a limitation of the current ST-Link GDB debugger in STM32 VS Code extension version?

i've just installed all necessary requirements for the STM32 vscode extension however it doesn't seem to launch cube mx or mcu finder when i click launch from vscode. not sure if its incorrect paths or permission issues?please see the screenshot for the path settings

Hi;I am trying to dial in a PID controller, and my values are small (0-1 range). The Chart widget seems to want to always set its Y axis bounds to [-10, 10], which makes it hard for me to see what's going on in realtime. I have to make an adjustment, then pause the acquisition to scroll way in to see what happened. Is there a way for me to manually specify the Y axis scale and have it stay persistent?

Hello everyone, I'm creating a TIM3-based project using CubeMX. I'm using the Nucleo-H755ZI development board, which features the STM32H755ZITx dual-core MCU.I've completed all the necessary configurations—GPIO settings, TIM settings, SYS, and PROJECT settings. However, when I click "Generate Code," it creates the main.c file but does not generate the xxx_FLASH.ld linker script file. My selected Toolchain is STM32CubeIDE. I'm using CubeMX version 6.15 and CubeIDE version 1.19.Does anyone have any idea what might be causing this issue?