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Camera board • Re: Recording 4k with raspberry pi5 and HQ Camera

Yes, I can see the differences in "--list-cameras" messages w/ and w/o 4lane option.
Thank you very much.
By creating cam_helper_imx258.cpp from cam_helper_imx219.cpp, I can operate IMX258 module on RPi5 now.
Thank you very much.

--list-cameras shows 4208x3120 30fps by dtoverlay=imx258,4lane in config.txt but I'm not sure it is really in 4lane mode.
(How to check it?)
It lists being able to do 4k30, therefore it's on 4 lanes. If you drop the 4lane override from the dtoverlay line, then I expect it to drop to max 15fps.

If you want to check via device tree, then use "xxd" ("sudo apt install xxd" if not already present) with "xxd /proc/device-tree/axi/pcie@120000/rp1/i2c@80000/imx258@10" and it should list lanes 1, 2, 3, and 4 if on 4 lanes. (That /proc/device-tree path is copied from the output of "libcamera-hello --list-cameras". I may have made typos in copying it from your image)

Statistics: Posted by sohonomura2020 — Mon Jun 10, 2024 11:43 pm



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