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STM32N657x0-Q + STEVAL-66GYMAI1 – Blurred Image Output

Hello Team,I am using the STM32N657x0-Q Nucleo board with the STEVAL-66GYMAI1 (VD66GY) camera board connected via FFC. Both CN8 and CN10 are connected to the PC, and I am viewing the camera stream through UVC.I tested the official precompiled HEX fil

1873

27 minutes ago

sylwekkominekVisitor

STM32 MPUs Products and hardware related

STM32MP257: Cortex-A35 updates RTC time even when Cortex-M33 holds RESMGR_RTC_INIT_RSC lock

Hello,I'm working with an STM32MP257 and encountering unexpected behavior regarding RTC resource isolation between the Cortex-M33 (bare metal/HAL) and Cortex-A35 (OpenSTLinux).I performed a simple test where my Cortex-M33 requests the initialization

42 minutes ago

lcordierVisitor II

STM32 MCUs Wireless

[LoRaWAN_End_Node_LBM] Process join accept failed with code = 14

I’m trying to make the example LoRaWAN_End_Node_LBM] work on my nucleo-wl55jc1.For now i’ve just changed the DevEUI and AppKey in se-identity.h to match my chirpstack configuration.I can see the join request from my object and the join accept answer

763

54 minutes ago

x_name41Visitor

Others: hardware and software

Request for ST LED Drawer Android application for STEVAL-LLL005V1

Hello,I recently purchased the STEVAL-LLL005V1 evaluation board and I am currently preparing to use it for evaluation and testing.According to the ST documentation for the board, an Android application called Led Drawer is available for controlling t

1 hour ago

paulrpottsAssociate II

STM32 MCUs Embedded software

Nucleo H563ZI SPI Comms with an ADC: Works with HAL Interrupt APIs, Not with DMA APIs

Hi all - I have a problem getting DMA working with SPI, for communication with an MCP3564R ADC as one task in a complex project running on FreeRTOS. I have made a stripped-down version of the project that just does the ADC reading task. It runs on a

464

1 hour ago

SUMSUM0701Visitor

STM32 MCUs Embedded software

MPU9250 I2C fails with escalating WHOAMI→no-ACK pattern, only power cycle recovers it

Setup: STM32F446RE Nucleo + MPU9250 (I2C1, PB8=SCL/PB9=SDA), breadboard wiring, HAL library, 100kHz standard mode.Symptom progression: Sensor works intermittently. When it fails, I see two distinct failure signatures that seem to escalate:First failu

212

1 hour ago

sidisyom_sAssociate II

STM32 MCUs Products

USART issue in loopback mode

Hi 👋I have implemented a simple program to send and receive characters over the USART device which works as expected when I connect my MCU up to minicom via usb as in I can see the characters sent by the program getting printed on the console and I c

1506

2 hours ago

ClaramaeAssociate

Others: hardware and software

Optimizing Throughput for High-Fidelity (320kbps) MP3 Decoding on STM32 Systems

Hi everyone,I’ve been working on some firmware lately for a media-based project, and I’m looking at the practical limits of decoding high-fidelity mp3 streams (specifically 320kbps CBR) on mid-range MCUs like the STM32U5 series.While standard 128kbps

3 hours ago

gsmith84099Visitor

STM32 MCUs Wireless

NUCLEO-WL55JC1: LoRaWAN_End_Node_LBM Join Accept Failed with Code 14 (ChirpStack)

Hello ST Community,I am attempting to run the LoRaWAN_End_Node_LBM example project from the STM32CubeWL MCU Firmware Package on a NUCLEO-WL55JC1 board, connecting to a ChirpStack LoRaWAN Network Server.While ChirpStack shows both the Join Request and

361

4 hours ago

mdmrl00Associate II

STM32 MCUs Motor control

STM32G431KB TIMER XOR ON/Hall Sensor Mode Not Triggering the PWM Timer

Hello everyone,I am working on a project where I need to control a BLDC motor with integrated hall sensors.I saw this feature on RM0440 Document ‘29.3.28 Timer input XOR function’I decided to use the TIM2 as the ‘Interfacing Timer’ and TIM1 as the PW

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