Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
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 ...
Hi,I want to know how to configure Wi-Fi in STM32MP157F-DK2 from MP157 console port. 1) How to scan the Wi-Fi network and check scan results2) How to connect to a Wi-Fi network3) How to get information about the status of the Wi-Fi interfaces4) How t...
Hi,I would like to read the timestamp value of the RTC. I see that only the Cortex A7 have access to it and the documentation on the wiki does not give any clue to how we can read the timestamp from the m4.On the linux side i can easily obtain it:I k...
Hello We are trying to implementing IPCC in STM32MP1-DK1 evolution kit and facing following issues. We generated cortex-M4 code in CUBE MX (Activate IPCC,NVIC IPCC RX1,IPCC TX1 and debug UART) then run in CUBE IDE and generating .bin file. We ...
Hello,I have rather a simple question. In my project, I have 16 discrete inputs. I need to test all but only if works or not. From a hardware engineer's point of view, it is sufficient. For the test, I try to use a simple console syntaxgpiomon --sile...
