STM32MP1 power mode
Hi,Is there any example application code for STM32MP1 to keep A7 in deep sleep mode while keeping M4 in always run mode?Regards,Ram
STM32 MPUs Products and hardware related
Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
Forum Posts
FDCAN Issues Memory Access
Hi,we are currently testing our FDCAN on our STM32MP157F Device. We get some Messages that there ist an access violation. We see that is caused by the M_RAF interrupt. Are there any hints to get rid off these messages and errors? We tried different s...
Step by step guidance how to create a linux application for STM32MP157C-DK2
I have been looking for step by step guidance on how to create a linux application for STM32MP157C-DK2, but I end up being unsecssuful all the time. The only help I seem to get is to import an existing project, which does not help me. I want my appl...
Unable to get TF-A and bootloader logs on STlink usb with STM32MP1
Hello Community Hope, all are doing well I'm dealing with the BSP development with STM32MP157a-dk1 board (as my intent is the design the bsp for my own custom board )For the instance, I'm intended to go from top to bottom of the Flash layout for the ...
How can i reduce stm32MP1 bootup time further? im expecting to it shoulf boot within 16 sec ?
systemd-analyze blame: 6.297s dev-mmcblk1p3.device 3.711s user@0.service 3.668s systemd-udev-trigger.service 729ms console-kit-log-system-start.service 663ms weston.service 598ms systemd-logind.service 516ms pxl-in...
Watchdog reset reason
How to debug what's behind a system reset because of watchdog? I tried using dynamic debug and add stm32_iwdg.c file to print debug output, but that didn't give me more info, just some pings. So what can be reason for watchdog reset? We have program ...
Does STM support PREEMPT_RT kernel for Cortex-A in STM32mp1 family ?
I found no STM boards on OSADL platform (www.osadl.org). Why ?
Is there any OpenAMP, RPMSG, simple C example? I am trying to learn more about IPC from user-space and I am looking for a simple C example that can send messages to ttyRPMSG0 in STM32MP1.
Hey there, I am new to STM32MP1 and this forum has been a great help. During the last week I am trying to understand the OpenAMP between the M4 and A7. The ttyRPMSG makes things quite straight forward for the M4 part. When going to the linux part, us...
OPENAMP in A7 side is blocked when another process is use CPU for calculation？
I create a process A to communicate with M4, another process B every 2 min will be calculate some data cost 230ms. in this inteval, process A cant use OpenAmp to send cmd to M4, until process B complete the calculation.
