STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Timeout values in STM32G4 bootloader ?

Hi all,Bootloader selection for STM32G47xxxx described in AN2606 shows the different steps followed by the bootloader.Where can I find the delays available between steps ?For example, how long the booloader waits to receive the 0x7F value on USARTx ?...

YJ by Associate II
  • 865 Views
  • 2 replies
  • 0 kudos

Resolved! USB HID performance optimization

I'm planning to use a cheap STM32 board (either with a F103 or F401/11) as a joystick/rotary encoder controller for arcade games. I already have a working proof of concept using the old STM32duino cores (not HAL based), but I prefer to use the HAL en...

fbar by Senior
  • 2531 Views
  • 2 replies
  • 0 kudos

uart no work with freeRtos

Welcome everyoneI used Free ROS with two tasks, the first task was to blink the led and the second task was to receive from uart and then to resend the received message. The two tasks have the same priorityThe led flash works fine but the uart only r...

xmart by Associate II
  • 485 Views
  • 0 replies
  • 0 kudos

STM32F7 / STM32Cube_FW_F7_V1.16.0 USB Host issue

Hello!When trying to implement USB OTG HS Host, I am running into an issue. In file "stm32f4xx_ll_usb.c", function "USB_HC_StartXfer" there is a piece of code that enables the USB_OTG_GINTMSK_PTXFEM interrupt. However, it then proceeds to write the e...

ERund.1 by Associate II
  • 674 Views
  • 2 replies
  • 0 kudos

USB CDC can't connect when some code added

I can get my USB CDC on Nucleo-144 recognized from Device Manager. It will appear like COM8 and Terminal Emulator can connect to it. I can even echo back data received.Just when I add some minor functionality in the while loop in main() (like check f...

ABuzo.1 by Associate
  • 804 Views
  • 2 replies
  • 0 kudos

L496 DFU Serial Number Changes Every Power Cycle

I believe there is a bug with the L496 series and the serial number the DFU firmware returns. Whenever I unpower and repower my board I get a different 12 digit hex number, for example this:05FA03B042C5becomes F0F30783F95Cafter next power cylce and ...

ASINA.1 by Associate
  • 606 Views
  • 2 replies
  • 0 kudos