Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
hi st expertI am porting openstlinux for my robot board, I found that the system froze after uboot selected the extlinux file, and then rebooted after a while，the uart log :Do I have any debugging means to analyze where the current problem is? than...
I followed the instructions here with a STM32MP157F-DK2 board till before step 8, with a serial console to the board set up. However, instead of booting into "root" as described, from the console output my board enters "emergency mode", and the last ...
Hello We are implementing WWDG watchdog in our custom board to cortex-M4 core in cubeIDE tool. We initialise the following registers -> enable the clock to WWDG -> In control register enable the Watchdog enable bit and watchdog counter. -...
When I design the FPGA interface, I need the detail timing para. when M4 in memory map mod. Where can I get the docu? thank you
The board is set up as follows, and USB of ST-Link V2-1 is connected to Host PC. when using Linux host pc , /dev/ATM* devices not recognized.So I used a Windows PC, but it is not recognized either.Do I need to install a special driver to recognize ...
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...
