Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
Hi ~I'm using my custom board with STM32MP157C MPU. I'm currently trying to adjust the LCD brightness using PWM.And I was able to implement it by referring to the link below.https://community.st.com/s/question/0D50X0000AvgWuGSQU/how-to-use-timers2-a...
Hi, I'm getting error "(gtk_hello_world:1474): Gtk-WARNING **: 18:09:46.325: cannot open display: " while executing "hello-world" sample application with STM32MP157F-DK2. Expected a GTK window is NOT displayed on display screenI have followed steps a...
I'd like to play a FHD video 1920x1080 25 fps on a FHD monitor.There is some hardware codec inside MPU I can use?On other platform (like imx6 I used it own codec h264), but reading datasheet I don'r find anything about codecs video on thi MPU.I suppo...
Hello,I am having trouble booting OPTEE on a custom platform with 256MB of DDR3. The boot log is attached. I added some debug printfs and I can see that OPTEE freezes on 454 in core/arch/arm/kernel/boot.c. I believe this is the first time OPTEE start...
I am trying to exchange data in an indirect way using the rpmsg_sdb driver.The memory in the cma area (0xe800000) was allocated through mmap in Linux. When accessing the 0xe8000000 area in m4, a HardFault occurs and the program stops.However, there i...
I cannot load the image into the SD card of the STM32MP157F-DK2 board.I set the switches to OFFI start the board that starts in BOOT FOR FLASCHING (only the LD4 led is on steady red)Through the terminal or graphical STMProgrammer I start the download...
Hello,my system is based on an STM32MP151x, running embedded Linux (Buildroot generated + all the ST patches, v5.3.56). I am suing an SPI connection to an external hardware but so far, i am not able to set the SPI clock to 20MHz and higher.Looking at...
Hello,I have stm32mp157c,my own board and usb type-c for rndis.I saw the topic https://community.st.com/s/question/0D53W00001Qeg8OSAR/usb-ethernet-gadget-stops-working-after-replugging-cableBut it wasn't helpful for me.This is the error I get when I ...
