STM32 MPUs Products

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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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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
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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
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Peripherals and coprocessor

Hi ,I am working with STM32MPU DK2 and Distribution package and have some of basic queries.How do i know which peripheral is connected to which Processor ? where can i get to know about this ? 1.1how do i know which device tree .dts is used ? 1.2 if...

Vthul by Associate II
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Resolved! problems with qtwebkit

I'm trying to create new image with my app, that needs qtwebkitwidgets, but have some problems with that. When bitbake starting compile qtwebkit-my host pc freezes. I read that post https://community.st.com/s/question/0D50X0000AVSWK1SQP/what-is-the-p...

VKare.1 by Associate II
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Resolved! The SWD/JTAG can not connect with STM32MP157

Hi, I use stlink v2 connect my custom board. The stm32cubeprogrammer shows error message when I use SWD or JTAG mode. The stlink version is V2J33S7.No STM32 target found!And I also tested with DK2 board. Could you give me some hints about it?

SChen.11 by Associate III
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