STM32 MPUs Products and hardware related

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Resolved! proper way to read /dev/ttyrpmsg0

Hi,I am executing echo_tty_echo example and trying to get the messages coming from m4 inside qt program as follows:   QString line;   QStringList list1;   char buff[100];   while (1) {       QProcess::execute("echo hello > /dev/ttyRPMSG0");       QFi...

IYetk by Associate III
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  • 1 replies
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STM32MP1 TFT settings

I want to change resolution of display in ev kit but don't know how to do.Should I change the default struct values in panel-raydium-rm68200.c or is there another method? Also, I'd like to rotate the screen of TFT so it will be wide screen TFT, is it...

Resolved! Low power mode on 'basic' image

Hello.I've created basic image with FlashLayout_sdcard_stm32mp157c-dk2-basic.tsv from stm32mp1-openstlinux-4.19-thud-mp1-19-02-20 downloaded from site. And I can't normally enter to any low power mode: stop - "systemctl suspend" or "echo mem > /sys/...

alexey.b by Associate II
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  • 1 replies
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U-Boot doesn't find SDMMC1 (mmc0)

Hi,I have a problem while trying to bring up my board, which is based on the STM32MP157A-EV1.What I'm doing is trying to flash the board with the same method as in the Starter Package, so I created a copy of the appropriate *.tfv file changing the na...

j_gil by Associate II
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  • 7 replies
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Resolved! Error --"-sh: echo: write error: Device or resource busy" while running app 'OpenAMP_TTY_echo_wakeup' on board STM32MP157C-DK2

I'd like to test the standby mode on the board ​STM32MP157C-DK2,so I run the application 'OpenAMP_TTY_echo_wakeup' by following the doc -- readme.txt  in STM32Cube MP1 package. However ,once I run the command  $ echo mem > /sys/power/state  to move C...

SElle by Associate II
  • 4200 Views
  • 11 replies
  • 1 kudos

Interrupt does not occur when EXTI and OpenAMP used together. The board listens rpmsg channel and does not see button interrupt

Hi everyone,I am newbie in embedded linux, sorry if I ask dummy question and I try to combine GPIO EXTI and OpenAMP examples of Stm32Mp157C-DK2. I have completely run both examples alone however when I combined them, the interrupt due to the button p...

HArsl by Associate II
  • 773 Views
  • 3 replies
  • 0 kudos