STM32 MPUs products

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STM32MP1 - Bare metal on A7

Hi,I have a current project using the M7 that I need to port over to the A7. The goal is to be running bare-metal code on the A7, like we are on the M7. Currently, I am following this open source guide to run bare-metal on the A7 and it seems to work...

mkurtz by Associate II
  • 6 replies
  • 0 kudos

Resolved! STM32MP1 A7 and M4 communication

Hi,I'm using STM32MP153C and I would like to communicate between the A7 and the M4 using the Virtual Uart (OPENAMP and IPCC).I'm using a custom distribution created using Yocto.When I initialize the virtual uart in the M4, /dev/ttyRPMSG0 is instantia...

ASega.1 by Associate III
  • 5 replies
  • 2 kudos

Resolved! How can I use tamper pins as a wakeup source?

Hi, I am looking all through the wiki, but I do not see any clue on using the tampers as a wakeup source.How can I configure the tampers to wake up the stm32mp1 from low power modes?Is it posible to wake up from VBAT? Or is VBAT only a energy mode to...

AGamb.4 by Associate III
  • 1 replies
  • 0 kudos

Resolved! STM32MP1 public key hash (OTP WORD 24 to 31)

Is it possible to use OTP WORD 24 to 31 without enable security boot with STM32MP1 part numbers which didn't has security boot option like STM32MP157A/D?Same as above but with STM32MP1 part numbers which has security boot option like STM32MP157C/F?

mikefae by Associate
  • 4 replies
  • 0 kudos

Resolved! stm32mp157c rpmsg comminucation problem

Hello,I am working stm32mp157c. It has two processor (A7 and M4). They can communicate with each other over virt uart(rpmsg). When I want to send a message to a7 over m4, if the message is filled with constant data, everything is ok. If the message ...

aliMesut by Associate III
  • 10 replies
  • 0 kudos

Resolved! What does the "U" stand for in ST's MCUs and MPUs?

This feels like a dumb question but I can't find the answer through Google and I've spent some time looking.I'm giving a high level presentation tomorrow and in the first slide I'm describing the difference between ST MPUs and MCUs. For the life of m...

RBack.1 by Senior
  • 3 replies
  • 0 kudos

What might be the cause of the debugger reporting a double fault when executing the 'svc 0' call to start FreeRTOS on the M4 core of an STM32MP157?

I'm using the 2.1.0 ecosystem with an STM32MP157A-EV1 and am having some problems with running a customized FreeRTOS build on the M4 core while running Linux on the A7s.I have modifed the linker script so that the code is in SRAM1&SRAM2, resource tab...

Spamfast by Associate II
  • 2 replies
  • 0 kudos

DDR interface usage as SRAM FMC at 32B in STM32MP1

Hello,Since we have an outgoing shortage of components, I am trying to figure out what I can use to do complex math calculations to offload from FPGA.STM32MP1 looks like a good device and could replace STM32H747, but I need a connection to the FPGA r...

Linas L by Senior II
  • 3 replies
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how to configure usart1 to use the dma.

hi,we are using usart1 to communicate w/ a device using custom baud rates. we have it working but sometimes we don't get all of the data that is sent by the device. it one or two bytes are dropped at the beginning of the message or there are severa...

vbuon.1 by Associate III
  • 3 replies
  • 0 kudos