STM32 MCUs Embedded software

Is there a usb raw class?

How to make STM32H7 HAL USB driver OS compatible

Hello,Various CubeMX generated files related to USB, such as "usbh_conf.c" and even "stm32h7xx_ll_usb.c", are littered with HAL_Delay() waiting up to hundreds of milliseconds and therefore halting threaded application execution. Every time I switch U...

STM32F407IGT6 - Two sets of Ethernet TX signals (TX_EN, TXD0, TXD1) can be used interchangeably?

In 176 PIN package of STM32F407, there are two set of Ethernet TX signals (TX_EN, TXD0, TXD1) present. One set in Port B and another in Port G. My question is whether we can use them interchangeably. For example, can i use TX_EN from Port G (PG11) to...

Data corruption on SD card when using SPI for data transfer.

Hello, I am working on a project where data shall be logged onto a SD Card.I am using a stm32 mcu with freeRTOS running on it. I use spi and the fatfs library to communicate with the sd card.I have a own task which write the data from a circular buff...

STM32f429 and MP3 Decoder spirit

Hello all ; I am using free MP3 decoder from spirti that supported by ST. but I noticed I cant use hardware floating point when I use this libraru . AM I wrong ? Can I use hardware floating point ? Regards

STM32 I2C slave transmit issue

Hello, I am using STM32 in I2C slave mode. I can able to get data properly but I am unable to transmit. Master is receiving 0xFF all time.Any stm32 i2c slave code for reference ?

Trouble with STM32H7 bootloader

Hello,we have some trouble with STM32H742, trying to flash it via bootloader. It seems to accept only every second line of a hex file. We receive a hexfile with another microcontroller, build the bootloader commands and perform the bootloader communi...

STM32L496 Virtual COM "USB device not recognised"

I'm using an STM32L496 on a custom board and using USB CDC configured through CubeMX (STM32Cube FW_L4 V1.14.0). This connects to a Windows 10 laptop. Randomly I get "USB device not recognised". I can go days without the issue and then it suddenly ap...