STM32 MPUs Products

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Resolved! DMA UserSpace application

Hi all,I am trying to write a linux user-space application where in i am taking data from an external MCU processing it and sending it to another thread. My question here is how can make use of DMA in the user-space to make it more efficient? How can...

NPal.2 by Senior
  • 692 Views
  • 2 replies
  • 1 kudos

Resolved! How to boot on emmc with specific emmc pin out ?

Hello,We have a custom board with STM32MP157F silicon rev Z with emmc 24AA64T-I/OT . We are able to flash out OS with cubePorgrammer but we are not able to boot on emmc after flashing. According to :https://wiki.st.com/stm32mpu/wiki/STM32MP15_ROM_cod...

ABous.1 by Associate III
  • 1570 Views
  • 3 replies
  • 0 kudos

Resolved! Custom u-boot splash screen

Hi all,I have small query around u-boot.How can i update my custom boot screen for the u-boot?How can add my custom application to start post boot?Thanks.

NPal.2 by Senior
  • 1338 Views
  • 3 replies
  • 0 kudos

RPMsg modify buffer size not working

Hi everyone,I'm working with OpenAMP on CM4 and I would like to increase the buffer size of RPMsg messages. When sending with VIRT_UART_Transmit() from CM4 to CA7, gives me an error when the message exceeds 496 bytes due to the RPMSG_BUFFER_SIZE valu...

OBaselga by Associate III
  • 670 Views
  • 1 replies
  • 0 kudos

2x512MBytes DDR3L Routing

I am using STM32MP157C and want to add 1GB of RAM. 512MB DDR3L Ram are common in market.Please suggest layouting of 2xRAM and if possible please give layout/pcb project file for altium .

DKUMA.11 by Associate III
  • 564 Views
  • 1 replies
  • 0 kudos