How can I enable the HDMI output log at boot?
How can I enable the HDMI output log at boot? I want to see the login promt at the HDMI output.
STM32 MPUs Products and hardware related
Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
Forum Posts
How interrupts from DTS temp sensor work?
Hi,I am using internal temp sensor DTS and have critical trip point of 120 C configured. I wonder how interrupt work in this case? Where and how should it be handled? Are trip points the only cases when interrupt from DTS happens?
ESDALC6V1-5M6, LD39150PU33R ibis file
Hello forum;I needed help to do some SI simulation on ESDALC6V1-5M6 and LD39150PU33R Hyperlynx/Altium Designer SI simulator. Hence my question is does this ibis model exist? If yes where can I download it?
Resolved! TIM2_CH2 PWM not work
hello,st friends. My board use TIM2_CH1 pwm to drive a led.dts configure as:but the led can not light on.use these command byw: I use gpio test led hardware is ok
Resolved! DSI lane swap on STM32MP157
Hi,is it possible to swap the DSI lanes so that lane 0 becomes lane 1 and the other way around? This would simplify routing on our PCB. I've found there are configuration bits in the DSI_WPCR0 register for custom lane configuration (SWDL0 and SWDL1),...
Prevent Splashscreen Clearing
Hello,With the new OpenSTLinux 5.1, I noticed that there is no longer any flickering between the splash-screens. I would like to know what the Yocto configurations are so I can use it for building an st-image-core, since there is still a delay. I add...
Resolved! Boot image from the eMMC user data area partitions
Hi,I want to boot my image from the user data area partition in the eMMC of my stm32mp257f-ev1 board by disabling the eMMC hardware partitions (the mmcblk1boot0/1) in U-Boot like this: mmc partconf 1 0 0 0 Unfortunately, the ROM code can't load my ...
How can I display UART to the HDMI at startup?
I want to display the loop log at start up from UART to the HDMI. How can i achieve that?Is it something I need to change in the device tree for linux or something?My HDMI and UART works excellent. Now I want to connect them...or in other words, disp...
Resolved! Enable SPI4 on Linux Side of STM32MP157C-DK2
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...
STM32MP135 Uboot libfdt fdt_check_header(): FDT_ERR_BADMAGIC
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...
