STM32 MCUs Embedded software

When I call the tx_event_flags_create() function, the code returns an error at the following line: else if (event_control_block_size != (sizeof(TX_EVENT_FLAGS_GROUP))) { /* Event flags group pointer is invalid, return appropriate error code. */ status = TX_GROUP_ERROR; }I'm not sure why this would be a problem since I only have one TX_EVENT_FLAGS_GROUP defined in my program as far as I can see and the size of the struct passed in should match. Is there anything I could possibly be missing here?

I am trying to setup a local MQTT over a local network with port 1883 and B-U585I-IOT02A using the Nx_MQTT_Client example project. I have followed the steps in :https://community.st.com/t5/stm32-mcus-embedded-software/how-to-connect-stm32u5-b-u585iot02a-using-mqtt-to-local-mqtt/td-p/62128However I still get error: x10005 NXD_MQTT_CONNECT_FAILUREI have tried modifying the generation of code in CubeMX to not require crypto and TLS for the example project however the compiler screamed even more at me. Anybody managed to succsesfully setup MQTT over local network?I disabled firewall on my broker and attempted the communication across other networks, still same error.in my app_nextduo.h file I have set: #define MQTT_PORT NXD_MQTT_PORT // defined as 1883 non-tls in the client .h file#define MQTT_BROKER_NAME "" /* MQTT Server */ // I put the IP here in the form "192,xxx,xxx,xxx" have also tried using construct IP(192, XXX, XXX..)#define USER_DNS_ADDRESS IP_ADDRESS(1, 1, 1, 1) /

In continuation of debugging the Ethernet ping test (from this thread)  @Andrew Neil @bouazizm Main issue:When debugging the project, everything works well and i am able to ping the MCUWhen flashing the project, the ping test failsHere are the details of my stm32 cube environment.Operating system: UbuntuSTM32cubeIDE version details:Firmware version : 1.17.3I have attached the project for your reference.Main configuration changes for the project for a successful ping:In the ethernet module: RX and TX descriptors addresses are 0x2007c000 and 0x2007c0a0 respectively.In LwIP  , Under General Settings, DHCP is disabled and static IP(192.168.1.125) and mask(255.255.255.0) are providedIn LwIP , Under Key options, MEM_SIZE is 16000 Bytes and LWIP_RAM_HEAP_POINTER is 0x2007c140In FreeRTOS module, the default task stack size increased to 3000 words.In the linker .ld file add .lwip_sec .lwip_sec (NOLOAD) : { . = ABSOLUTE(0x2007c000); *(.RxDecripSect

HiI am in the need to have USB working on the STM32U5G9DK2 board, however I specially do not need ThreadX, so I will configuring USBX in standalone mode. And I do not need to be using UART to complement my sample code as a lot of the sample codes found on CUBEIDE do.What I am looking for is to communicate the board with a terminal on my PC using the USB port rather than the ST-LINK.So far after configuring IOC and complementing main.c with some initialization, I am able to have the PC recognize the board as a Serial Device, which is half the battle. The problem now is figuring out how to send and receive data to and from the PC (I am using a Teraterm terminal). To compliment the information I am providing here, I started by getting the sample code Ux_Device_CDC_ACM, which uses ThreadX and USBX, from which I replaced the used of the UART and instead use both Send and Received Threads to communicate with the Teraterm terminal on the PC, which works well. My issue is that the overhea

Hi everyone,I’m trying to chain two timers on an STM32U585 so that:TIM1 generates a PWM on PA8 at 125 Hz (2 ms high / 6 ms low).TIM8 acts as a 20 µs sampler: it should reset and start counting at the falling edge of the TIM1 PWM, then fire its Update IRQ after 20 µs.So far I’ve tried: // TIM1: 125 Hz PWM at 160 MHz / APB2 htim1.Init.Prescaler = 319; // 160 MHz/320 = 500 kHz → 2 µs tick htim1.Init.Period = 3999; // 4000×2 µs = 8 ms → 125 Hz // … TIM_MasterConfigTypeDef mcfg = {0}; mcfg.MasterOutputTrigger = TIM_TRGO_OC1REF; // TRGO on CCR1-match (PWM falling edge) HAL_TIMEx_MasterConfigSynchronization(&htim1, &mcfg);// TIM8: 20 µs sampling, slave-reset on TIM1_TRGO htim8.Init.Prescaler = 159; // 160 MHz/160 = 1 MHz → 1 µs tick htim8.Init.Period = 19; // 20×1 µs = 20 µs sample interval // … TIM_SlaveConfigTypeDef scfg = {0}; scfg.SlaveMode = TIM_SLAVEMODE_RESET; scfg.InputTrigger = TIM_TS_ITR0; // ITR0 = internal TIM1_TRGO HAL_TIM_SlaveConfigSynchro(&htim8, &scfg); H

Hello,I have got STM32U5G-DK2 and i downloaded the example repository for the same. I build the example (Ux_Device_CDC_ACM) at the original location in Repository folder by opening it in STM32CubeIDE. It builds successfully but when I copy the same example code to another folder and import it in new workspace then I am getting the following error after building the project (Ux_Device_CDC_ACM): 11:06:51 **** Incremental Build of configuration Debug for project Ux_Device_CDC_ACM ****make -j16 all make: *** No rule to make target '/Middlewares/ST/usbx/common/core/src/ux_device_stack_alternate_setting_get.c', needed by 'Middlewares/USBX/UX Device CoreStack/ux_device_stack_alternate_setting_get.o'. Stop."make -j16 all" terminated with exit code 2. Build might be incomplete. 11:06:51 Build Failed. 1 errors, 0 warnings. (took 274ms)This is happening with any project I copy from original repository to my new workspace. I copy these projects just to leave original code untouched.Kindl

Hello,I am working on the STM32H743BIT6 ethernet communication. I am using the external PHY DP83TC814RRHARQ1 for my requirement. I am configuring in CubeMX as USER_PHY under platform settings of LwIP. How can i communicate via external PHY.? Does configuring the pins for this external PHY is enough or do we need to include drivers of DP83TC814RRHARQ1 in the software. Can you help me on this how to communicate with this external PHY.  

Hello,in all examples for the STM32H7S78-DK - including the TouchGFX applications - the frequency for the external APS256XXN-OBR-BG PSRAM is set to 200 MHz:extmem_list_config[1].PsramObject.psram_public.FreqMax = 200 * 1000000u; But in the datasheet for the APS256XXN-OBR-BG, seehttps://www.mouser.at/datasheet/2/1127/APM_PSRAM_OPI_Xccela_APS256XXN_OBRx_v1_0_PKG-1954780.pdfit says that the default maximum read and write clock is 133Mhz, see page 16 and 18:It also says:"Write latency, WLC, is default to 5 after power up. Use MR Write to set write latencies according to writelatency table. When operating frequency exceeding Fmax listed in the table will result in write data corruption." Could the be a potential bug in the memory configuration of the STM32H7S78-DK board, which could lead to RAM corruption? Thank you and best regardsrk_iot 

Hi, I tried adding APPKEY on the flash to read from bootloader to find if valid application there or not. I added as below in scatter file :EXCLUDE app_key.oAPPKEY 0x08043FF8 FIXED { ; 0x08013FF0 = last 16 bytes of 64KB appapp_key.o (.app_key)} and in app_key.c, below lines are added:__attribute__((used))__attribute__((section(".app_key")))const unsigned int APPKEY = 0xFEFFFEFF;But once code is built, changes done in scatter file are disappearing and also when I check in map file, app_key is not getting allocated in specified location of flash   

Hello, I have a STM32U585CIUA and generate a PWM with 125Hz 2ms high and 6ms low phase on TIM1 on PA2.I would like to start another PWM with TIM2 50Khz 1us high and 19us low on the falling edge of PA2, which is then stopped after 200 cycles.In all my setting attempts, however, TIM2 starts before TIM no matter how it is configured and even if I set the HAL for TIM2 after TIM1 in the code...Can anyone help me with this?Dave static void MX_TIM1_Init(void) { /* USER CODE BEGIN TIM1_Init 0 */ /* USER CODE END TIM1_Init 0 */ TIM_ClockConfigTypeDef sClockSourceConfig = {0}; TIM_MasterConfigTypeDef sMasterConfig = {0}; TIM_OC_InitTypeDef sConfigOC = {0}; TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig = {0}; /* USER CODE BEGIN TIM1_Init 1 */ /* USER CODE END TIM1_Init 1 */ htim1.Instance = TIM1; htim1.Init.Prescaler = 319; htim1.Init.CounterMode = TIM_COUNTERMODE_UP; htim1.Init.Period = 3999; htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; htim1.Init.Repetit

Hi, Is there any code for driving vd55g1 in STM32N6570-DK? It is stated in STMicroelectronics/stm32-mw-camera  that vd55g1 is supported, but I have not found the demo for its use. Could you please provide the demo? 

I had a look at the published SBOMs for Series like STM32U5They all include the the package name, license, sometimes a supplier.And all have a BlackDuck-Component and BlackDuck-ComponentVersion.Hower, only a few external components have a cpe or purl entrySo I am wondering if ST has published any information about how we would use these BlackDuck-Component IDs? Is any information about these public, or is it an ST internal ID or do I need any subscription with BlackDuck to make a sense of it?Have you considered assigning CPEs or PURLs for all the packages in the Stm32cube package?

 Hello everyone,in my current project, I'm working with a Nucleo H743ZI2 (with an STMH743ZIT6). My goal is to read audio data from MEMS microphones using DMA and DFSDM filters. The ultimate aim is to build an 8-microphone array, but for the first step, I only want to read data from a single microphone. And this is exactly where my problem lies: currently, no data is being saved in RAM. I suspect the problem is with DMA, as I've observed the following:DFSDM:The following bits are set in the DFSDM control register: DFEN (DFSDM_FLT enabled), RCONT (continuous mode), and RDMAEN (DMA channel enabled to read data for the regular conversion).The value of the RDATAR register changes continuously => data is being read by DFSDM.In the ISR register, REOCF (end of regular conversion) is set, followed by ROVRF (regular conversion overrun) => REOCF should be cleared by DMA (it might be cleared and set again, which goes unnoticed during debugging, but i don´t think so as the DMA is not sta

Hi!i have managed to port the exisiting example of USBX device printer to the H563 micro and use it.now i'm trying to do the same thing with the USBX HOST printer class.but there are two problems:1) there isn't an example2) if i create a new project and select USBX HOST printer i think there are some missing files in the cube generationfor the device printer class  the cube generate  app_usbx_device.c app_usbx_device.h ux_device_printer.c and ux_device_printer.h for the Host printer the cude generate only app_usbx_host.c and app_usbx_host.ham i missing something?my cube ide is 1.18.0 release thank you !

Hello All,I am new to embedded systems.I am trying to enable ethernet communication in stm32f746 discovery board.But I am failing to achieve this, sometimes I am able to ping the device and sometimes not.I came across a thread https://community.st.com/t5/stm32-mcus-embedded-software/how-to-make-ethernet-and-lwip-working-on-stm32/m-p/261456 which mentions faults in LWIP and documentation.Even when I am using the example project STM32Cube_FW_F7_V1.17.0\Projects\STM32746G-Discovery\Applications\LwIP\LwIP_HTTP_Server_Netconn_RTOS  I am able to ping the device sometimes only.Please guide me accordingly, I am not asking for a complete working project only a healthy documentation and links. Thankyou

I need to send a single address byte with write bit and read bit.For the write, I'm using HAL_I2C_Master_Transmit_IT(&hi2c4, I2C_ADDRESS, (uint8_t*)i2c_buff, 0)It works perfect, it sends a start, single address with write bit cleared, slave device ACK's and stop works fine.I need the exact same thing, but with the read bit set.I tried:HAL_I2C_Master_Receive_IT(&hi2c4, I2C_ADDRESS, (uint8_t*)i2c_buff, 0)It just sends the start, address, read bit set, slave device ACK's ok, but then MCU doesn't do the stop bit, gets stuck infinitely waiting. I've tried using the LL drivers too, and also played around with disabling AUTOEND and using SOFTEND to try to manually generate start, send addr and then stop, no go, just waits for the I2C_ISR_STOPF flag to be set, which never happens. On the scope, SCL goes high, but SDA stays low.Any ideas? Using STM32U535, I2C4

Can someone please guide me with 8KHz audio, echo cancellation is almost perfect for 16khz audio on stm32u5, but seems problematic at 8KHz, i've tested pass-through (loopback, mic connect to speaker) at 8Khz and it is clear when AEC is disabled, also when pre-processor is disabled and AEC is enabled, it can remove the echo but I need pre-processor for agc, ns related stuff.#ifdef SPX_EC_FS_8000 #define ECHO_BUFF 128U #define NN_MAX 128 #define NN 128 #define FS (uint16_t)8000 #elif defined (SPX_EC_FS_16000) #define ECHO_BUFF 128U #define NN_MAX 128 #define NN 128 #define FS (uint16_t)16000 #elif defined (SPX_EC_FS_32000) #define ECHO_BUFF (32*8) #define NN_MAX (32*8) #define NN (32*8) #define FS (uint16_t)32000 #elif defined (SPX_EC_FS_48000)I've tried to change ECHO_BUFF to 64 as well, but no success so far, maybe this library isn't tested for 8KHz audio, but speexdsp support 8KHz, reason I'm trying to achieve aec at 8KHz is because VOCODER for audio compression supports o

Current Situation: I have implemented a bootloader that receives a .hex file and writes the application starting from Sector 2. After successfully jumping to the application, the system runs as expected. The Problem: Once the application is running, if I send a new .hex file, it is not accepted by the bootloader unless I perform a hardware reset. Currently, I can only reset the board manually using the reset button. What I Want: I want a software-controlled reset mechanism. When the application is running and a new .hex file is sent (or an update request is detected), the system should trigger a software reset (NVIC_SystemReset()), switch to the bootloader, and allow the new .hex file to be processed automatically—without requiring a hardware reset.

Good afternoon,I'm using the STM32H723ZG Nucleo Board, and I'm trying to collect data using I2S + DMA coming from a PCM1803AEVM that is  a 24-bit ADC used mostly for audio purposes.I've set the PCM1803 as controller (MASTER), it is generating the BCK, LRCK and SDO and I can see these three signals using the oscilloscope. I see also the correct frequencies.BCK:3.072MHzLRCK: 48kHzSDO: digital values equal to -1,0.+1 as expected since there is no input signal.Now, from the STM32 board  I've set the .ioc file related to the I2S part in this way:DMA:The main code is the following, very simple: #define BUFFER_SIZE 100uint32_t samples[BUFFER_SIZE] = {0};int main(void){ /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /* MPU Configuration--------------------------------------------------------*/MPU_Config(); /* MCU Configuration--------------------------------------------------------*/ /* Reset of all peripherals, Initializes the Flash interface and the Sys

I am using STM32G030 for my project when using version Z (REV_ID 0x1001) the functions in the firmware run as required. But when using the same firmware, the above hardware loads version Y (REV_ID 0x1003) the functions run incorrectly, especially the timing functions using RTOS. Has anyone ever encountered a similar case and has a solution as well as knows the cause of this error? Thanks

Hi everyone, I was wondering if is it valid to allocate DMA buffers for USART/SPI etc.. on the heap using aligned_alloc() function?My board is the NUCLEO-H743ZI2  If its possible - is it good practice?Thanks, Ariel

I have some code on the STM32G030 processor using only LL drivers.I need to write on some area in the flash of the processor.I undestood that there is no LL driver for Flash, but the proble is that If I try to use some HAL functions, like HAL_FLASH_Unlock I get that the linker does not find it.So the question is how can I add HAL Flash support (.h and .c) in a project that have only LL drivers?Thank you.Regards.Mau. 

Hello, I'm running into an issue interfacing the STM32H7R3V8H6 with a MAX31856 where whenever I try to use any sort of SPI functionality, it returns HAL_Error. This issue surprises me because the code that I am using is identical to the code I used on another H7 chip and that worked. Things I have tried:1. Lowering the SPI clock speed.2. Ensuring that the SPI and CS pins were set up correctly (CS pin was set to digital output and the GPIO was configured for the application not the boot. Same for the SPI pins.)3. Changing the SPI GPIO pin speed to very fast.4. Probing the signals with an oscilloscope (I couldn't get very good results since I'm probing the pins on a custom board, but I was able to verify that SCK was working, but I couldn't determine if MISO or MOSI was functional)5. Switching SPI from SPI1 to SPI3.For reference I am using SPI1/3 on pins PB3, PB4, and PB5.  #include "main.h" /* Private includes --------------------------------------------------------

Hello ST Community,I’m currently working on integrating the MX25QL128 NOR Flash (connected over QSPI) with the STM32F746 microcontroller. My goal is to use it with Azure RTOS FileX and LevelX for filesystem access. I’m using STM32CubeIDE and the latest version of Azure RTOS.Setup:MCU: STM32F746NGExternal Flash: MX25QL128 via QSPIMiddleware: Azure RTOS (ThreadX, FileX, LevelX)Interface: QSPI in Memory-Mapped ModeGoal: Format, mount, and use FileX filesystem stored on MX25QL128Request:I’m looking for:Sample code/project showing working integration of FileX + LevelX + MX25QL128 via QSPI on STM32Any ST reference projects or application notes specific to this setupClarification on required QSPI mode/timing/memory map settingsCommon pitfalls (e.g., erase before format, QSPI memory-mapped setup timing, etc.)Any working FileX + LevelX configuration example (even with another STM32 MCU) that could help me align my integration. Any working example or advice would be very helpful. Thanks in

Goal: to use embedded STM32H673/563 bootloader commands: read, write, verify flash with simple GUI on PC side. Do you have full algorithm description/implementation/full code example?