STM32 MCUs Embedded software

Resolved! Where can I find the project (including source) for the demo included with the STM32L4R5, Nucleo-144 (Nucleo-L4R5ZI) eval board?

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...

Resolved! FreeRTOS sprintf %f not working.

I'm working on STM32F746 Discovery try to use STemWin. I using cubeMX to gen code for cubeIDE. But i'm stuck, sprintf %f not working. It's return 0x00 and dot instead. For example char str[32];float a = 123.456;sprintf(str, "%f", a);the resultstr[0] ...

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...

How to use STM32 to develop a HID power device project

HiThe development of HID using STM32, such as mouse class and user-defined class, is very smooth, but the latest project uses hid power devices, which is a subclass protocol under hid, so I don't know how to deal with the report descriptors, so I nee...

STM32 MCUs Embedded software

Forum Posts

Resolved! Where can I find the project (including source) for the demo included with the STM32L4R5, Nucleo-144 (Nucleo-L4R5ZI) eval board?

How to make STM32H7 HAL USB driver OS compatible

Resolved! FreeRTOS sprintf %f not working.

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

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

STM32f429 and MP3 Decoder spirit

STM32 I2C slave transmit issue

Trouble with STM32H7 bootloader

STM32L496 Virtual COM "USB device not recognised"

How to use STM32 to develop a HID power device project

NUCLEO-H7A3ZI-Q USART2 not communicating with seri...

hardfault when reading the flash

Systick sync with TIM3

STM32N6570-DK High Speed USB with DMA

BLE_HeartRateThreadX example file ioc not present

nucleo-f767ZI QSPI direct read/write is not workin...