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
Forum Posts
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...
STM32MP15 ECO 5.0 Coresight / CTI pins
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.
Is it possible to zoom out the GUI of a Qt application?
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...
Use Raspberry Pi 5'' Touch Display with stm32mp157a
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...