STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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SDMMC FATFS and TouchGfx Memory Issues

I am using the STM32H7B3I-DK and trying to read and write from an SD card using SDMMC1 with TouchGFX running (also FreeRTOS). I have solved a NO_FILESYSTEM ERROR described here. While this allowed me to mount, open, and write to a file, I still get N...

how to use flash memory "the bare metal way".

Hello, everybody! I'm relatively new to STM32 microcontrollers and have a moderate knowledge of C programming and a fair understanding of electronics.Over the past few months, I've been learning to properly set up STM32F4 series MCUs, specifically th...

HellasT by Associate III
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  • 24 replies
  • 6 kudos

Resolved! VID of the connected device

Hi, I’m working with an STM32G0 MCU and utilizing the USBPD and USB_DEVICE Middleware packages.In my application, I need to detect if the connected device is running iOS. Since all Apple devices have the Vendor ID (VID) set to 0x5AC, I plan to use th...

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Resolved! Error in STM32Cube_FW_H7RS_V1.1.0

Hello,I'm working on a project where I'm using an STM32H7R3L8H6H and an MX25UW25645G. It isn't possible to get the Flash working on XSPI2 when using the ExtMemLoader generated by STM32CubeMX. I checked the example in the firmware package and found th...

Resolved! I2C Slave not responding

Originally tagged-on to this old thread. Split to new thread for better visibility.Hello,I seem to have a similar problem, besides, that DMA is disabled.I have an STM32H503RB (NUCLEO-H503RB) trying to read out some I2C slave devices. It actually work...

STM32H503_MCP9801_2025-01-22.jpg
enbw by Associate II
  • 630 Views
  • 5 replies
  • 0 kudos

Resolved! How i can convert SPL to HAL

resource: https://github.com/ArduCAM/Arducam_MegaI need to integrate Arducam camera using STM32L4xx, but i cannot found the library, the resource i was found is using SPL instead of HAL. Someone please help me to resolve this issue 

Lemon21 by Associate II
  • 846 Views
  • 8 replies
  • 2 kudos

STM32C071 USB stack

I just started looking at the STM32C071 family as an alternative to the STM32F042 and STM32F072 we currently use. To my disappointment the USB stack for the C071 is a total mess (dozens of files and complete spaghetti) and on top of that it seems to ...