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MPU Cstop - stm32mp157c-dk2

Hello,I am applying the second scenario of example openamp_tty_echo_wakeup.The scenario is to wake up and make the system run again from "MCU : running and MPU :Cstop".My question: When MPU goes in Cstop mode with the command "echo mem > /sys/power/s...

IYetk by Associate III
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Mipi-dsi display problem

1,What is the reason for setting the display frequency to 50HZ instead of 60HZ?2, I designed a circuit board, using mipi to HDMI chip, and found that using 60HZ frequency to drive the display will jitter.

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Yli.8 by Associate II
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Reset MPU independently of MCU

Hello.I want to reset MPU core(s) while MCU is running firmware. Such reset shouldn't stop MCU.I can make electrical changes if it can be achieved with power control. Or maybe it can be possible to use PWR (or some other) registers?

alexey.b by Associate II
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Resolved! sound alarm - stm32mp157c-dk2

I want to use sound alarm in my M4 program or on A7 Linux side.It can be any kind of sound (beep...etc).What should I do ?Which external pheriperal can I buy , or is it possible to do it with internal pheriperals on the board and how ?tnx

IYetk by Associate III
  • 555 Views
  • 2 replies
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stm32mp157c-dk2 Linux rebooting after 30sec

Hi,I'm trying to learn world of embedded linux by trial and error, so I got myself STM32MP157c-dk2.I have followed the instructions from here: https://wiki.st.com/stm32mpu/wiki/STM32MP1_Developer_Packageand here: https://www.digikey.com/eewiki/displa...

valtteri by Associate II
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