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Raspberry camera long exposure with V4L2 driver

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  • Thank you received: 54

Raspberry camera long exposure with V4L2 driver was created by gehelem

Hi,
Did anyone succeed in making long exposure with Raspberry camera and Indi v4l2 driver ?
I've been trying for a few weeks, but whatever i do fails.
I'm quite sure it's more a v4l2 thing, according to this :
www.raspberrypi.org/forums/viewtopic.php?f=43&t=62364&start=225
i've tried to manage v4l2 parameters before to launch indiserver, for example :
v4l2-ctl --set-ctrl=auto_exposure=1
v4l2-ctl --set-ctrl=exposure_time_absolute=10000
v4l2-ctl -p 1
indiserver -v -m 100 indi_v4l2_ccd indi_moonlite_focus indi_eqmod_telescope
But nothing seems to change anything on exposure time while driving all that with KStars/Ekos.
Meanwhile, long exposure is possible using raspistill command (5s max), and i'd really like to do that with the precious help of Indi !
This small and cheap Camera would be perfect for guiding.
Any suggestions ?

Gilles.
8 years 6 months ago #5346

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