STM32 MPUs Embedded software and solutions

Ask questions and find answers on STM32 microprocessors and dedicated embedded software solutions, such as Yocto SDK, Qt, and OP-TEE.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! Is there any documentation for configuring UART RX DMA in circular mode properly?

I am trying to configure a DMA stream to capture the RX channel of a UART core on the m4, however, I get very undesirable behaviour.I am trying to set up a circular rx buffer that is of size 10 since the data coming back is of multiples of 5. Unfortu...

STM32 board support eDP bridge?

Hi,We are using stm32mp157c MCU/board and it has DSI output built-in. Now we want to add display port support via DSI to eDP bridge SN65DSI86. It seems that stm32 does not support Displayport output or it has never been done. At least the driver dw_m...

LLe.1 by Associate II
  • 11412 Views
  • 34 replies
  • 0 kudos

Resolved! How can I generate a periodic signal on a GPIO using timer interrupt in Linux kernel (STM32MP153a)?

Hi,I am using STM32MP153a SOC.Linux kernel version is 5.4.56 (openstlinux-5.4-dunfell-mp1-20-11-12).I would like to generate square signal of 50-200 uS on a certain GPIO every 40 ms using Linux kernel.Also ,at this point I need to read certain regist...

vl4ever by Associate
  • 1509 Views
  • 1 replies
  • 0 kudos