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Hi everyone,I’m currently working with the CR95HF evaluation kit and looking into using the provided DLL (CR95HF.dll) for PC-side communication for a legacy projectHowever, the DLL seems to be compatible with 32-bit systems and I am looking for the 6

6 minutes ago

waclawek.janSuper User

STM32 MCUs Products

USB overrides GPIO settings for DP/DM pins, in 'L452, too

It’s long known that in ‘F4, if the USB/OTG’s PHY is switched on, it overrides the GPIO settings of its DP/DM pins.Today, I’ve spent some quality time debugging hardware, having been bitten by the same thing on a ‘L452.I didn’t expect this, given ent

1078

36 minutes ago

V_G_Visitor

STM32CubeIDE (MCUs)

Build button is gray no matter what I do

I bought an stm32f103c8t6 recently, and just wanted to write a simple test C/C++ program for it. It has been 3 days - I have tried multiple combinations of cubemx and cubeide versions and everytime there is the same issue - it just doesn’t let me bui

101

2 hours ago

Debug123Associate

Imaging (sensors)

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

1903

8 hours 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

8 hours 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

8 hours 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

9 hours 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

504

9 hours 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

242

9 hours 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

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