STM32 MCUs

Hi, I have an USBPD sink application created with CubeMX that can be found here:https://github.com/ThiRom/H563NucleoUSBPDSink   The project can be build using cmake. If the project is build using Debug configuration, it works. But using Release it shows timeouts on requests. As you can see below during one millisecond the firmware sends 3 retries and a soft reset.  This problem can be seen with -O2 and -O3 option. It seems that the file usbpd_timersserver.c is not working correctly. I found that function: uint32_t USBPD_TIM_IsExpired(TIM_identifier Id) { uint32_t _expired = 1u; switch (Id) { case TIM_PORT0_CRC: _expired = TIMX_CHANNEL1_GETFLAG(TIMX); break; case TIM_PORT0_RETRY: _expired = TIMX_CHANNEL2_GETFLAG(TIMX); break; case TIM_PORT1_CRC: _expired = TIMX_CHANNEL3_GETFLAG(TIMX); break; case TIM_PORT1_RETRY: _expired = TIMX_CHANNEL4_GETFLAG(TIMX); break; default: break; } return _expired; }  When I change it to this: uint32_t USBPD_TIM_Is

@FBL Can you explain me about buffer descriptor table (BDT)? Is it fixed?I have got behavior that I can't explain.Dumping packets on host I got wrong data. Length is ok, but data is wrong.In BDT I wrote correct address and length. Data wrote in pma (adress that is in BDT) is correct.But when I stop in debugging address in BDT is changed. As I think in BDT there is a place for each endpoint (or it is like cyclic buffer?)What I found if I set break point with "if" condition, just before sending address in BDT is OK, and data on host is OK. It seems to me that I am working incorrectly with BDT.

Hello,I am following the blog "Implementing Debug Authentication on STM32H5 using CLI tools" (https://community.st.com/t5/stm32-mcus/implementing-debug-authentication-on-stm32h5-using-cli-tools/ta-p/622308) to provision my STM32H533RE based custom board on which i have configured secure word only(All the peripherals configured as secure) and i have disabled Non Secure Project from "Project Manage" tab of STM32CubeMX, and I am now stuck with the device in CLOSED state with no way to regress.Environment:Board: NUCLEO-H533RE (STM32H533RET6)STM32CubeProgrammer: v2.22.0STM32CubeH5 Firmware: v1.6.0ST-LINK FW: V2J47S7SFSP Version: v1.2.0OS: WindowsWhat I did (step by step):Step 1 — Flashed secure firmware (succeeded with mode=UR):STM32_Programmer_CLI.exe -c port=SWD mode=UR -e all -d C:\H5\Binary\Sec_FP_Sensor_v1_2_Secure.elf -vResult: :white_heavy_check_mark: Download verified successfullyStep 2 — Set product sta

I am coding from the scratch to learn how STM32 works with MIPI-DSI LCD, because I am going to use customized MIPI-DSI LCD. I refer to the official code, but some incorrect content as below:official default code: in main.c , static void MX_LTDC_Init(void):// SETVCOMuint8_t InitParam60[4] = {00, 00, 00, 0xC0};if (HAL_DSI_LongWrite(&hdsi, 0, DSI_DCS_LONG_PKT_WRITE, 4, 0xC7, InitParam60) != HAL_OK){Error_Handler();}BUT, I check HX8379C datasheet (LCD control ), SETVCOM command is (B6h), and there is no 0xC7 command ?so what's this code for? and HX8379C datasheet dosen't mention initial sequence , how do we know that we need to set SETPOWER, SETDISP, Set display cycle timing,.....SET GAMMA,....,then Exit Sleep Mode to let LCD work? I don't use touchgfx now, just want to test if DSIHOST, LTDC work successfully, so I declare a framebuffer[480*480] then in MX_LTDC_Init(), write:pLayerCfg.FBStartAdress = (uint32_t)framebuffer;then using for loop

Split from WiFi or WiFi+BT modules architecture and parts recommendations as that's really a separate question!Thank you @Andrew Neil I didn’t explain myself very clearly. The part I’m mainly interested in is the audio side — specifically, a microcontroller with some kind of audio I/O capability, such as microphone input and speaker output, for recording (and then saving to uSD - perhaps using DMA if it makes sense). I’ve never worked with microcontrollers for audio recording before, so if such micro is not available, I’m also open to a low-cost solution/architecture that uses external components.Thank you

(I tried to submit a ticket but the system seems broken, giving an obscure error about an incorrect zip code).I need to confirm which version of STM32 is placed on a board. There are two versions, GP and PD. The datasheet does not really specify how the top marking is different for the two versions.    Any ideas?Thanks, Pete

We want to use the STSPIN32G0A1 evb, we cant find its schematics of it.

Hello, in the STM32H753xI datasheet, Table 11, "Total current into sum of all VDD power lines (620mA)," is the voltage condition VDD = 3.3V? I would also like to know the current at VDD = 1.8V.

I am trying to capture data from the LINE_IN (blue jack on board), but I am not receiving the correct input. I evaluated my output at the oscilloscope and noticed that I am not receiving the sinusoid I am injecting; the frequency is correct, but the data appears clipped, as shown in the picture. I tried to reduce the Vpp, but it just started getting noisy instead of giving the correct input.My second test was to record on the sd card, and the problem persisted; I am only getting data above zero and noiseI am using the BSP library stm32h735g_discovery_audio.c, and to get the correct frequency that I was inputting, I modified these values in the BSP_AUDIO_IN_Initmx_config.FrameLength = 64;//changed: prev:128 mx_config.ActiveFrameLength = 32;//changed /An changed the number of slots like this:hsai->SlotInit.SlotNumber = 4; /* WM8994 TDM mode: 4 slots */I also tried to modify these registers from the audio codec directly, but nothing seems to make it work:* Disable mute on IN1L_TO_

Hi I am trying to use the AEK-POW-BMSWTX to read cell voltages from an Optipower OPR50006S50 Lithium Ion battery.  I only want the cell information, not interested in battery management itself.  I'm using SPI2 from an STM32G474RE. I have spliced pin C0 to the GND EXT pins and the GND terminal of the battery, then used C1 through C6 for cell wires. C6 is spliced to C7 through to C14, finally the positive terminal of the battery is connected to VBAT. The issue I am finding despite no MISO comms from the board is LED D2 goes off after 60 or so seconds. My SPI function is as below: void BMS_Read(uint8_t *rxBuf, uint16_t len) { uint8_t wake[5] = {0x55,0x55,0x55,0x55,0x55}; uint8_t rxBuf[8]; HAL_GPIO_WritePin(SPI2_BMS_CS_GPIO_Port, SPI2_BMS_CS_Pin, GPIO_PIN_RESET); HAL_SPI_Transmit(&hspi2, wake, 5, HAL_MAX_DELAY); for (uint16_t i = 0; i < len; i++) { uint8_t dummy = 0xFF; HAL_SPI_TransmitReceive( &hspi2, &dummy, // generate clock &rxBuf[i],

I have a project that is using custom hardware with a STM32G0B1CBT6 processor.  The code is developed using STM32CubeIDE and STM32CubeMX.  However, there are times when I am unable to run a debug session and I'm seeing (very) occasional Hard Faults.I have a diagnostic serial port and have successfully modified my Hard Fault Handler to dump additional information out that port.So what I'm after is some code that can read registers and/or the stack to provide additional information that I can use (along with the map file, etc) to determine where my Hard Fault is happening.Can anyone point me in the right direction?  All my searches have shown me code that references registers I can't seem to find in the docs.Thanks.  

Can force a specific DR for LoRaWAN?I tried using: uint8_t custom_dr[7] = {0};custom_dr[3] = 1;lorawan_api_dr_strategy_set(USER_DR_DISTRIBUTION, STACK_ID);lorawan_api_dr_custom_set(custom_dr, STACK_ID);   but did not work.

Hi,I am setting up SBSFU on our STM32H750. I want to test the RDP and WRP security protections.Steps taken so far:I have enabled WRP and RDP Level 1 by setting the option bytes through cubeprogrammer and enabling SFU_WRP_PROTECT_ENABLE & SFU_RDP_PROTECT_ENABLE in app_sfu.hI have enabled SFU_TEST_PROTECTION in app_sfu.h Note:There are several test cases in sfu_test.c that I am using. The tests in questions are attached below:TEST_ERASE_FLASH is failing.  Output:I am not sure why this would be. Does anyone have any advice? 

Hello , i would like to know how can we set the pwm channels in stm32cubemx as well as the serial wire debug , because i want to set up a project with  STM32C5A3RGT6 but under the debug we have no 2 wire serial wire debug option. Edit: Moved from Introducing STM32CubeMX2, a new flavor of STM32CubeMX tool

I have an old project developed with the STM32CubeIDE, which I would like to import into VSCode. I attempted to run "Convert Eclipse STM32CubeIDE Project", and the converter created some files in the destination folder.Yet, the conversion fails with this error message:2026-04-22 10:23:09.874 [Info] [ide-project-convert] Starting project conversion... 2026-04-22 10:23:10.173 [Info] [ide-project-convert] cube wrapper version: 0.10.2 2026-04-22 10:23:10.193 [Info] [ide-project-convert] Invoking STM32CubeIDE Eclipse exporter... 2026-04-22 10:23:18.988 [Info] [ide-project-convert] Generating project... 2026-04-22 10:23:19.054 [Error] [ide-project-convert] [ { instancePath: '', schemaPath: '#/required', keyword: 'required', params: { missingProperty: 'configurations' }, message: 'must have required property 'configurations'' } ] 2026-04-22 10:23:19.055 [Error] [ide-project-convert] /Users/me/projects/private/flipper/firmware-vscode/stm32cubeide-export.json does not conform to the schema

Hi,I'm using STM32H5F5LJHxQ. External HSE Oscillator is 48MHz. RTC clock mux is set to HSE_RTC, divider set to "/48" and the tool shows correctly that RTC clock is 1000kHz (48MHz / 48).During my tests I discovered a wrong RTC time, error ~2%. (1.2 seconds deviation per minute)In the generated function HAL_RTC_MspInit() is see: (49 instead of the expected 48)PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_HSE_DIV49; If I change the configuration in CubeMX to create a divider of 47, the correct RCC_RTCCLKSOURCE_HSE_DIV47 is generatedIf I change the configuration in CubeMX to create a divider of 49, the correct RCC_RTCCLKSOURCE_HSE_DIV49 is. generated.If I manually set the correct RCC_RTCCLKSOURCE_HSE_DIV48 in the sources, the RTC runs correctly. Regards,Gunnar BohlenHMS Networks 

After updating from TouchGFX 4.24.x to 4.26.0, the code generated cannot be compiled w/o manual correction - there are commas missing: const touchgfx::AbstractShape::ShapePoint<float> downArrowDisplayPoints[4] = { { 0.0f, 0.0f }, { 80.0f, 0.0f }, { 40.0f, 10.0f }{ 40.0f, 10.0f } };downArrowDisplay.setShape(downArrowDisplayPoints);downArrowDisplay.setVisible(false);add(downArrowDisplay); upArrowDisplay.setPosition(80, 61, 80, 10);upArrowDisplay.setOrigin(0.0f, 0.0f);upArrowDisplay.setScale(1.0f, 1.0f);upArrowDisplay.setAngle(0.0f);upArrowDisplayPainter.setColor(touchgfx::Color::getColorFromRGB(217, 141, 0));upArrowDisplay.setPainter(upArrowDisplayPainter);const touchgfx::AbstractShape::ShapePoint<float> upArrowDisplayPoints[4] = { { 40.0f, 0.0f }{ 80.0f, 10.0f }, { 0.0f, 10.0f }, { 40.0f, 0.0f } };upArrowDisplay.setShape(upArrowDisplayPoints);upArrowDisplay.setVisible(false);add(upArrowDisplay); upArrowLed.setPosition(80, 191, 80, 10);upArrowLed.setOrigin(0.0f

when generating cmake file from CubeMX2, CMakeLists.txt states: cmake_minimum_required(VERSION 3.20) but in fact you need a minimum version of 3.3:

Question split from this thread. Hi ,  Can you also provide some info on how to set pwm through timer channels ?

:warning:Note: The internal GPIO structure has been simplified for better conceptual understanding. (Components such as ESD protection diodes, pull-up and pull-down resistors, etc., are not shown.):warning:Warning / Disclaimer This analysis is based on my personal study and interpretation of technical documents. Therefore, I cannot guarantee that it fully represents the actual internal behavior of all STM32 microcontrollers. This is a simplified conceptual model for educational purposes. INTRODUCTION In this document, we will examine how our code affects GPIO units at the MOSFET level. Our analysis focuses on the MOSFET switching logic in General Purpose Output (Push-Pull, Open-Drain) and Input Mode (Analog and Alternate Function modes are not included in this analysis). I used the following documents as references for this analysis and the visuals: AN4899 Application Note (STMicroelectronics) RM0365 Reference Manual (STM32F3 series) Since this analysis is based on the STM32 archite

See attachment, field gets erased every time I re-generate code using STM32 CubeMX.problem seen on versionsSTM32CubeMX version 6.16.1uVuion/Keil version 5.43This has been ongoing for a while so problem does exist on older versions of both.

Hello ,   I was planning on using the new STM32C5A3RGT6 for my new project but after reading the comments regarding the stm32cubemx2 , i am reconsidering this decision. I also saw that zephyr is providing support for stm32c5.    My question would be then what would be a good source for learning stm32cubemx2 because coming from stm32cubeide 1.17 it is a big change.

Hi Community,I am working on STM32H747I-DISCO Board and trying to bringup digital MEMS Mic (MP34DT05) which is integrated on STM32H7-DISCO Board.I am trying to record random voice for 5 seconds and need to play back via audio jack out which is connected to codec also it is integrated on the board. I am sharing you schematic of the board as below:MP34DT05 is connected to MCU directly with SAI4 Interface and Solder Brifdges are provided to connect via codec Here I developed the application code to interface and record via MIC and playback via Audio Jack out./* Includes ------------------------------------------------------------------*/ #include "main.h" /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ #include "stm32h747i_discovery_audio.h" #include <math.h> #include"log.h" #include<string.h> #include "pdm_config.h" #include "pdm2pcm_glo.h" #include <stdio.h> /* USER CODE END Includes */ /* Private t

Hi,I've been experimenting with the High Sensitive Observer using the B-G473E-ZEST1S and STEVAL-LVLP01 boards to control a BLDC motor. So far we have good results, however sometimes the HSO loses control, especially at very low speeds (<10 electrical rpm). To overcome this a restart is required so the pol pulse is triggered and the rotator angle can be found. I was wondering if there are strategies to fuse the HSO feedback with the Hall sensor to overcome these problems? I known the ZeST solutions solves this as well but this is not publicly available yet and for safety reasons we are required to have an physical sensor to read the motor position.Thanks,Tom de Winter

Hello,STM32CubeIDE.Is it possible to show hints (description of the function, description of the parameters of the function, description of the return value) when calling function?I made this function (see Figure 1) and made documenting comment. When I calling this function or I hover the cursor over the function name a tooltip with the function code pops up, but I want to see description of the function (@brief parameter from documenting comment, see Figure 1).Figure 1