STM32 MPUs Products and hardware related

Why can't I control gpioz in user space?

Hi: I encountered a strange problem when I tried to operate the gpioz pin with the gpioset command in user space and found that the level never changed. Can you give some suggestions to solve it.

TF-A halts with an exception during boot of simple device tree?

I have built a device tree file using the details in wiki in CubeMX. I build with my custom machine using Yocto. When I run the built TF-A binary I get the following output on UART4:NOTICE: CPU: STM32MP157CAD Rev.B NOTICE: Model: STMicroelectronics...

Hi, I have a STM32MP157C-DK2 that I would like to connect to a 7�? raspberry pi display. Can you tell me if the B-LCDAD-RPI1 adapter is compatible with the STM32MP157C-DK2? Thank you!

Which package is suited for my project?

HelloI am working on an IoT project and would like to know which package is suitable for me? I am responsible for customizing the Linux tree, installing packages, set Ethernet, Wi-Fi and the right security protocols from a Hardware point of view.I u...

In ST-Link32 Utility, Read Out Protection is Disabled, but I get the errors: The elf loader Program function fails. Memory-Loader error Error occured during program operation Programming error @ 0x08000B60!

I have the latest version of ST-Link Utility (ver. 4.6.0) on Windows 10 and the latest firmware (V2.J37.S7), both of which I downloaded yesterday. My co-worker has ST-Link Utility ver. 3.7.0 on Windows 7 and firmware V2.J24.S7 and he has no trouble...

Hello I'm trying to write a loadable kernel module driver. I get an error during compilation: ERROR: modpost: "platform_device_alloc" [/home/rdm/ethtest/eth-ins.ko] undefined! Do I need something to set in the Kernel Config? Helloworld works as LKM.

#include <linux/platform_device.h>#include <linux/module.h#include <linux/types.h>MODULE_LICENSE("GPL");MODULE_AUTHOR("Robert W. Oliver II");MODULE_DESCRIPTION("A simple example Linux module.");MODULE_VERSION("0.01");static struct platform_device *pd...

FDCAN not working properly

I am trying to enable FDCAN on STM32MP157C. I modified Linux Kernel (STM32MP15-Ecosystem-v2.0.0) and U-Boot, following the steps explained in the Developer Package guide. I get these messages, which are suggesting I setup everything correctly.root@st...

ERROR: st-image-resize-initrd-1.0-r0 do_rootfs: The postinstall intercept hook 'update_font_cache' failed

HI,all, env:virtualbox, ubuntu18.04 64bits, 10G memory,500G disk. I tried to build rootfs image from stm32 Yocto prject, followed by wiki(https://wiki.st.com/stm32mpu/wiki/STM32MP1_Distribution_Package). but I got some error at last like ...

STM32MP157A-DK1 update kernel

I Installed the Development on my host machine and builded a Kernel with this tutorial:https://github.com/STMicroelectronics/meta-st-stm32mp/blob/dunfell/recipes-kernel/linux/linux-stm32mp/README.HOW_TO.txtbut afther the reboot my scren keeps beeing ...