Forum Posts
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...
