STM32 MCUs Embedded software

Can't get the STM32H7 USB audio HS example to work

Hi there, I've got a new STM32H743I EVAL board and am trying to run the USB audio HS example provided with stm32cube_fw_h7_v130.The Full-speed example works fine.I'm using the correct USB connector, my PC (Windows 10) recognises the device and says i...

FreeRTOS with HAL

Hello,We are using FreeRTOS  with HAL.FreeRTOS is used with CMSIS OS APIYet, it seems that for correct functionality of FreeRTOS above HAL, additional code modification are still required:CMSIS OS has API mainly for semaphore, threads, but not for HA...

There is a problem in I2C HAL library

ok, i fix it, sorry for that​​

I'm writing a bootloader for the STM32L152. I'm trying to understand how I can switch from a code image in Bank 1 to an image in Bank 2 from the bootloader.

Each code image will have an associated bootloader. If the bootloader in the current image runs and decides to change to the image in the other bank (corrupt image, new update, etc) I want to be able to do a reboot and change to the other image. I'd ...

STM32F769 Discovery Example: ,,Audio_playback_and_record,, SAI Clock for 16kHz with 2MHz works but 48kHz and 3MHz works not

Hello together,I want to record a microphone with the Audio_back_and_record that I can operate at 48kHz and 3MHz.Only the variant 16kHz with 2MHz or 16kHz with 3MHz works, but unfortunately not.According to the Application Note AN5027 different clock...

STM32F765 : default configuration for Wake up pin

Hello,I use PA2 pin to wake up from standby mode with a STM32F765 MCU.I am a bit confused because it is wrotten in HAL Manual (UM1905) at the page 607 : This pin is forced in input pull-down configuration and is active on rising edges.If i let the pi...

USB host, mass storage class - how to tell when memory stick has completed writes and is safe to power down.

I’m using the STM32L476 discovery kit to test an application where a battery-powered product powers up a USB memory stick, connects to it, writes some data, and then shuts the stick down again, removing power. I've used the STM32 Cube to generate the...

stm32h7: why have you removed booloader via CAN?

Problem with VPC USB FS and STM32F103VET6 device.

Hello Community,I purchased a Cortex-M3 STM32F103VET6 board and trying to implement USB FS on it. I'm using CubeMX to generate code, the version is up to date and i'm using the latest firmware libraries (FW_F1_V1.6.1). After compile USB device doesn'...

How to "return" HAL_UART_Receive buffer?

I'm using the HAL_UART_Receive function for receiving strings and I need to check if the receiving strings matches with the strings that I want to receive.First I want to create the char for the string in heap:char *response = (char *)malloc(RN2483_M...