STM32 MPUs Products and hardware related

Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! Qt SDK build failed

Hi All -I was attempting to build the Qt example images for the DK2, following the wiki directions here:https://wiki.st.com/stm32mpu/wiki/How_to_build_and_use_an_SDK_for_QTI got to the step where it's building the SDK, after compiling the image succe...

MMedv by Associate II
  • 4537 Views
  • 18 replies
  • 0 kudos

uInitrd not found openstlinux

hi, I have been working on compiling an openstlinux image with yocto, when compiling the image with bitbake it does not show me any error, but when mounting the image on the SD card it shows me the error that it cannot find "uInitrd", check in the ...

FPini.1 by Associate II
  • 692 Views
  • 1 replies
  • 0 kudos

Resolved! Compile Device Tree

Hi all,What is the most correct and easiest way to generate dtb for the STM32MP1?I tried following this : https://wiki.st.com/stm32mpu/wiki/How_to_compile_the_device_tree_with_the_Developer_PackageLooks way complicated and I get below error :/opt/st/...

NPal.2 by Senior
  • 2531 Views
  • 13 replies
  • 0 kudos

Can't control a second PWM from sysfs (TIM4_CH4 / PD15), although I can control (TIM1_CH1 / PE9). (on stm32mp157c-dk2)

Hello,I try to make a simple PWM work on PD15 with TIM4_PWM4, wich normally output the PWM on D6, the 6th pin of CN14. I followed example of https://wiki.st.com/stm32mpu/wiki/PWM_overview as I only need two PWM controlled with sysfs (the first beeing...

BJola.1 by Associate II
  • 732 Views
  • 1 replies
  • 0 kudos

Setting System registers

I am using STM32MP157C and as part of the project i am trying to configure the hardware by enabling and disabling certain security features(tamper detection,trust zones,rd and wr protection etc)I would like to know if there is a way to access the sys...

KS.2 by Associate III
  • 905 Views
  • 3 replies
  • 0 kudos

Resolved! Compile Kernel using bitbake

HI all,Is it possible to just compile the kernel in yocto environment for stm32mp1 using command : bitbake -C compile virtual/kernelThis command is currently failing with below error message : If not this , then what is the correct way to do it?I hav...

0693W00000D2AzyQAF.png
NPal.2 by Senior
  • 2452 Views
  • 6 replies
  • 0 kudos

Resolved! RTS keeps high

I'm using a SoM with a STM32MP157C. I've connected a LTE modem to uart7, its connected with a 4-wire uart, going trough a level shifter. The device tree contains the following:uart7_pins_mx: uart7_mx-0 { pins1 { pinmux = <STM32_PINMUX('E', 7, AF...

allard by Senior
  • 3239 Views
  • 10 replies
  • 0 kudos

Resolved! Has anyone been successful using STM MIPI-DSI with 'raspberrypi,7inch-touchscreen-panel' display driver ?

as the pictures shows,I use stm32mp157c borad to driver the raspberrypi,7inch-touchscree .when the systen run on,i used "modetest" command to list panel on system,I can see panel,but the connector and crtc is null,I can't understander the reason . a...

0693W00000D26DMQAZ.png 0693W00000D26DCQAZ.png
JackyChen by Associate II
  • 1315 Views
  • 2 replies
  • 0 kudos

Device not Detected using JLink

I am using a custom.board with STM32MP157C.I am not able to connect to it via JLink EDU.It shows that the ST device could not be verified.Also tried using the STM32Cube ide as well as JLink commander.Facing same issue.What should I give in the device...

KS.2 by Associate III
  • 1924 Views
  • 4 replies
  • 0 kudos