STM32 MPUs Products and hardware related

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Resolved! Fail to add file into rootfs in Yocto

I have a simple recipes, which used to install certain files to rootfs, as below:DESCRIPTION = "A hello world example"SECTION = "appauto"DEPENDS = ""LICENSE = "CLOSED"FILESEXTRAPATHS:append := ":${THISDIR}/file"SRC_URI = "file://hello.service \"do_in...

HYC by Associate
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  • 2 replies
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Resolved! RGB display with dead zone

Hello all,I currently have to deal with a display which has an inactive zone in the middle. Its "interface" resolution is 540x1280px, but the 140px columns in the middle are not connected to the screen. That is, the display is of 400x1280px of resolu...

display_from_hell.png
APeña.1 by Associate II
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  • 3 replies
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How to start M4 on startup of STM32MP1?

I realize this is probably a pretty basic question but I haven't found a way to have the M4 portion of the firmware startup when the STM32MP1 is powered up.  I'm currently using an STM32MP157D-DK1 board, if that helps. I was able to debug the code of...

JayDev by Senior II
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  • 3 replies
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VirtIO problem on STM32MP157C-DK2

Hi! I am working with stm32mp157c-dk2 and trying to establish communication between m4 and a7 cores. I analyze standard examples for this purpose, namely OpenAMP_TTY_echo. VIRT_UART initialization is presented here for m4 core:  log_info("Virtual UAR...

Ljubica by Associate II
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  • 5 replies
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Resolved! STM32MP157 input capture gives wrong value

Hello, I've tried measure period of  GPS PPS which is very high accuracy. I'm using TIM5 input capture mode, reset slave mode. The TIM5 CCR1 gives value 208877646 that is wrong because I use high accurate generator for sys clock. The right value is a...

alex_vm by Associate II
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  • 2 replies
  • 1 kudos