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What is the function of PA13 (BOOTFAILN) on the STM32MP15x

I'm working on a design with the STM32MP153 and came across the additional function of PA13 as BOOTFAILN.I can guess what this means but I can't find any documentation on the subject. Don't know when or why this pin gets active. Or is it an input? In...

RZ by Associate II
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  • 1 replies
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Uboot DFU not working

We have build a device that looks like DK2 but we have a NAND memory instead of SD card and we work on an IO supply of 1.8V instead of 3.3V. We can load the fsbl and U-Boot with STM32cubeprogrammer, but U-Boot resets the usb and the STM32cubeprogramm...

JVerb.1 by Associate II
  • 1810 Views
  • 9 replies
  • 1 kudos

Resolved! Copy file into bootfs partition

Using the Distribution Package for STM32MP1 I wrote a simple function to copy some file to the rootfs image and execute fine-tuning commands:my_postprocess_function() { cp -dr /home/osboxes/Documents/overlay/* ${IMAGE_ROOTFS} ln -s /lib/systemd/sys...

Mark81 by Associate III
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  • 1 replies
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Resolved! X-LINUX-AI-CV OpenSTLinux image to flash on STM32MP157C-DK2

Hello,I'd like to test your X-LINUX-AI-CV OpenSTLinux image on my STM32MP157C-DK2 Discovery kit as explained in the following pagehttps://wiki.st.com/stm32mpu/wiki/X-LINUX-AI-CV_OpenSTLinux_expansion_packageDo you provide a ready to flash and use X-L...

koan by Associate III
  • 602 Views
  • 2 replies
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Shared memory access from the A7’s linux user space.

What is the best mechanism to access shared memory from the A7’s linux user space? I have tried using mmap and was successful at reading shared memory; however, I get memory exceptions when attempting to write. Could it be that I can only write to th...

JSpra by Associate III
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  • 2 replies
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Resolved! Can't open /dev/ttyRPMSG0 :(

I'm trying execution code:#define DEVICE "/dev/ttyRPMSG0"   int main(void) { int fd; struct termios tty; char buf[100]; int len;   printf("Opening device...\n"); fd = open( DEVICE, O_RDWR | O_NOCTTY | O_NDELAY ); // read/wr...

AShva.1 by Associate II
  • 1839 Views
  • 8 replies
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GPIO Interrupt on Linx Userspace Application

I am switching from a classic RTOS/Bare Metal Architecture (like the F4) to the STM32MP1 ecosystem. For that I am trying to generate an interrupt based of a GPIO input.I could not find any specific examples for this in the wiki? Are there any tutoria...

JSchn.1 by Associate III
  • 1087 Views
  • 2 replies
  • 0 kudos