I would like to access a SPI Device (Ethercat Shield) over the Arduino Headers (SPI4). What do i have to do to get the /dev/spidev... device file in Linux ? Sorry, but i'm still confused what is enabled, what do i have to enable in DTS files and when...
I'm trying to boot from SD-card and u-boot doesn't seem to find device tree. I have built my system with buildroot (bootlin st/2023.02.2) overriding the sources for tf-a, u-boot, op-tee and kernel, to be able to boot at least to u-boot (I did write a...
PA13 and PA14 seems to support Coresight. Is there more information how this can be used and how to connect these pins ? currently I use PA13 to connect a LED, for PA14 there is less information.
Hi,I am successfully able to cross-compile a Qt application and run it on a STM32MP157F-DK2 using the various tutorials on this site.Problem is, I want to view the application using the internal LCD of the board (800*480), but the application is desi...
Hi, I am also using the DFR0550 screen: https://wiki.dfrobot.com/5%27%27TFT-Display_with_Touchscreen_SKU_DFR0550Unfortunately, I am not able to make it work for now, here is the status: The best resources I have found is the following: https://trac.g...
What is boot scheme lables. I am refering to link below it is given as " defines which kind of boot is supported on the board"What it means.referring to link below: https://wiki.st.com/stm32mpu/wiki/STM32_MPU_OpenSTLinux_release_note_-_v4.1.0#Bootsch...
Hi all,i'm writing a program to run on STM32MP135F-DK board that enable the USB host ports of the board.All the projects I've found are using the OTG port as host.All the HAL_HCD apis and xxx_ll_usb source use the OTG structures.Is there ant sample f...
Hello Friends, I am trying to configure USART3 as UART full duplex on the STM32MP157 evaluation board. The pin configuration for USART seems to be working correctly, but I’m having trouble with the USART3 Control Register1 & BRR . Can anyone help me ...
Hello，I am using the STM32MP135DAF7 chip for bare metal development, and now I have encountered a problem. Specifically, I have transplanted the FreeRTOS system on this chip, and in the boot_develop mode, I can run FreeRTOS normally, that is, ddr_ini...
Hi, I have a custom board based on a STM32MP153 and I'm trying to reduce CPU (MPU) max frequency... Now it's running at 650Mhz, which is the default configuration. looking at the Wiki : https://wiki.st.com/stm32mpu/wiki/How_to_change_the_CPU_frequenc...