STM32 MCUs Embedded software

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

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Forum Posts

Bidirectional i2s using SAI on stm32f4 and f7

I've got an audio codec chip with bidirectional i2s interface, but I can't find any examples or any other info on configuring bidirectional i2s through SAI and HAL in stm32 microcontrollers. I am able to configure single-direction i2s just fine. How ...

WJabl.1 by Associate
  • 505 Views
  • 0 replies
  • 1 kudos

Problem with Bootloader jump CDC

Hi,My software sends a CDC bootload flag that asks the MCU to do a bootloader jump. The jumps works fine and I have no problem detecting the device change, in "control printers" on my PC (CDC to DFU). But on my collegue's PC his Windows does not see ...

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How to make device stop showing up as mouse.

I followed the custom hid example and finally got it to work, I can send 64 byte packets back and forth. The only issue now is that the device shows up as a mouse in the windows devices dialog.How can I change it to show up as a generic deviec?

FKopp.1 by Associate II
  • 770 Views
  • 4 replies
  • 0 kudos

how to detect usb is connected at startup ?

i am using stm32l072XX I am using USB msc modefound below functions to detect connection and disconnection of usb in file usbd_core.cusbd_LL_suspend(***)usbd_LL_resume(***)they work properly when i insert or remove usb cable(i have added print statem...

SA.17 by Associate III
  • 1051 Views
  • 2 replies
  • 1 kudos

How to change the resolution of USB HID mouse

I am using STM32f3 discovery kit with STM32 cube ide to interface the kit as USB HID mouse. I am trying to change the resolution of the mouse. The default resolution given in the Report descriptor is 400 dpi . (0x15, 0x81,     //   LOGICAL_MINIMUM (-...

HKhan.2 by Associate II
  • 1512 Views
  • 5 replies
  • 0 kudos