Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
Hy wanted to make a kernel Module and i wanted to know whats the best way to acces the uart from Kernel Space.So far i enabled the UART in the device try and now i am able to send data. But now i know since the uart us in userspace i cant access it f...
Hi everybody,I have generated an STM32 project via the STM32CubeIDE and modified the large example buffer (the firmware logic analyzer part), trying to substitute to the timer generated DMA transfer a second stream from SRAM to SRAM.In the next futu...
Hello ST Community,I am starting to work with the STM32MP157C-EV1 board and working through the example https://wiki.st.com/stm32mpu/wiki/Getting_started/STM32MP1_boards/STM32MP157x-EV1/Let%27s_start/Populate_the_target_and_boot_the_image.While flash...
I have a question about the Starter Package.When I start STM32MP157x-EV1 (+en.FLASH-stm32mp1-openstlinux-5-4-dunfell-mp1-20-11-12), I get the following logroot@stm32mp1:~# dmesg | grep ether[ 1.642061] stm32-dwmac 5800a000.ethernet: PTP uses main c...
We have an virtual uart FreeRTOS application running on CM4, it captures SPI data and sends to A7 through virtual uart. Sometimes, the FreeRTOS application freezed, A7 can not read the data through /dev/ttyRPMSG0 again, at the same thime, Linux 5.4....
I'm trying to build the large buffer exchange example but have been unsuccessful so far. I have the distribution installed and have no problem building the default package but when I try to build with the logic analyzer I get repo failures and compi...
Hi STM32MPU's fan ! Join this webinar to learn more about the Device Tree from A to Z, and move forward your next embedded Linux project!https://www.st.com/content/st_com/en/about/events/events.html/st-bootlin-linux-device-tree-101.html
Hy, I'm following all the wiki on stm32MP1-DK2 , I wan't to install PPP on it but like other things (htop for example) seems to be not available, maybe a stupid question but an answer will be appreciated,this is the log:apt-get install pppreading pac...
the kernel log is : mdio_bus stmmac-0: MDIO device at address 7 is missing.phy chip is : ksz9031mpu is : stm32mp157cac3my dts config is : ðernet0 { status = "okay"; pinctrl-0 = <ðernet0_rgmii_pins_a>; pinctrl-1 = <ðernet0_rgmii_pins_slee...
