About mteaching

mteaching · 2024-10-04

I aim TO drive a mipi display screen on STM32MP257F-EV1, so I have to understand the DRM framework.After flash the new firmware, I found that the modetset always shows errors, so I want to confirm whether the support in this aspect is OK? But watchin...

mteaching · 2024-09-24

I flash the image from FlashLayout_sdcard_stm32mp257f-ev1-ca35tdcid-ostl-m33-examples-optee.tsv pi@inspiron:~/yocto/build-openstlinuxweston-stm32mp2/tmp-glibc/deploy/images/stm32mp2$ STM32_Programmer_CLI -c port=usb1 -w flashlayout_st-image-weston/op...

mteaching · 2024-06-03

Background:Our project utilized ST's IMU sensor LIS3DH, and according to business requirements, we used click interrupt and initial interrupt respectivelyThe sampling frequency is 10HzWe set the duration of the Initial interrupt to 120 to generate an...

mteaching · 2024-03-02

Hello, guys.My goal is highly consistent with this ticket:https://community.st.com/t5/stm32-mpus-products/cannot-get-spi-lcd-working-with-stm32mp157d-dk1-yocto/m-p/225522I hope to drive the LCD ili9341 based on STM32MP157F-DK2 but till now it has not...

mteaching · 2024-01-03

I found the DMA request mapping of the F4 series on ST's official website. With this form, I can configure DMA on zephyr. My problem is that I cannot find the DMA request mapping of STM32WBA52CG. Can you provide me with one? Thank you.The device tree...

mteaching · 2024-11-17

If you have the method, please shared it to us.

mteaching · 2024-10-08

Hello, Erwan:Thanks, I have solved this problem, it was because I used the wrong device tree configuration, now I upload my device tree and panel-ilitek-ili9881c.c so that others can see it in the future. I don't connect a real panel, so it is always...

mteaching · 2024-10-06

Hello,Erwan:The thing is that the DRM driver will be able to load if the complete graphic drivers chain is able to probe.This is something I didn't expect, so it means that if the kernel wants to print this sentence,it must have your LVDS display. Bu...

mteaching · 2024-10-05

Hello Wjian:Could you please tell me which version of your firmware or yocto?The detail can be seen at:https://community.st.com/t5/stm32-mpus-products/modetest-error-on-stm32mp257f-ev1/m-p/727830Why I always get error when I use modetest?Best Regards...

mteaching · 2024-03-02

The following is the wave, the channel 3 is the RESET signal:

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How to drive the screen like ili9341 with tinyDRM? anyone succeed?

stm32wba series dma request mapping table

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Re: modetest error on stm32mp257f-ev1

Re: modetest error on stm32mp257f-ev1

Re: After removing ”weston-start“ app, other apps cannot be displayed on the STM32MP257 platform

Re: How to drive the screen like ili9341 with tinyDRM? anyone succeed?