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Camera board • Re: How to set external trigger mode when using two cameras on a single Pi

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That is awesome - thank you for the quick response!

I was trying to figure out how to use this new feature from reading the prior PR for the IMX477. Is it still possible to use something like:

Code:

echo 1 > /sys/module/imx296/parameters/trigger_mode
(?), or can it only be setup as a device tree overlay?

If the latter, would this be correct for a Pi 5 setting camera 0 to be just a regular, internally-triggered, and camera 1 as external?
(In /boot/firmware/overlays/config.txt):

Code:

dtoverlay=imx296,cam0-sync-sourcedtoverlay=imx296,cam1-sync-sink
Would we also have to select a link-frequency? I've never used that before, but it was referenced in the overlay README file.

(And apologies if that's obvious, I don't work with the kernel-level stuff often)

Statistics: Posted by jpilgrim — Mon May 05, 2025 6:14 pm



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