STM32 MCUs Embedded software

How to configure DFU and virtual COM port in STM32F103C8T6 USB peripheral? Is it possible to do something like this?

Hi, I am developing a firmware for stm32f103c8t6 using STMCubeIDE 1.12.0. I want the USB to work as both a COM port and DFU device. Using the middleware in the STMCube it seems we cannot implement both of them at the same time. Any help is appreciate...

how to setup time stamp on SD card

I do have RTC working and SD, I found this code FRESULT set_timestamp (char *obj)   {   FILINFO fno;   HAL_RTC_GetTime(&hrtc, &sTime, RTC_FORMAT_BIN);      HAL_RTC_GetDate(&hrtc, &sDate, RTC_FORMAT_BIN);   int hour = sTime.Hours;   int min = sTime.Mi...

Can USB firmware or hardware interfere with PWM generation ?

I'm working on a device that uses Pulse-Width-Modulation to control a DRV2605L LRA/ERM haptic feedback motor driver (datasheet found here: https://www.ti.com/lit/ds/symlink/drv2605l.pdf?ts=1683824689205&ref_url=https%253A%252F%252Fwww.ti.com%252Fprod...

USB Type C for charging and Power on first priority.

Hello , Is it possible to use USB Type C for charging and Power as First Priority when the Wireless Charging and battery is active respectively?Or a hardware switch or firmware is needed for this?Also please suggest the corresponding ST USB IC and wi...

Problem with I2C on STM32H7A3IIK6

Hi, i'm developing a project on STM32H7A3IIK6 [cortex M7] and i'm having a problem using the I2C peripheral with the ST HAL functions. I've initialized the peripheral and enabled the Event and Error Inpterrupt with TX and RX DMA and, sometimes, i hav...

Hello STM32 forum members, I'm currently working on a project where I need to interface an STM32F4 microcontroller with a SIM900 module to send TCP/IP data to a server. I was wondering if anyone here has experience with this kind of setup and could share

BSP_AUDIO_OUT_Play never finishes and blocks execution

Hi all,I'm having trouble implementing audio output into a TouchGFX application for the STM32F746G-DISCO board.The TouchGFX part is done, and I also managed to include the necessary files for audio output into the project and call a function to start...

Hello Everyone, I need to write sd card approximately 300 bytes per millisecond and in parallel get these data from another devise via spi, are there some suggestions how to do?

Hello Everyone, I need to write sd card approximately, 300 bytes per millisecond and in parallel get these data from another devise via spi, are there some suggestions how to do?I have tried to use SDMMC1 + Freertos, but I cant communicate with sd ca...