It's a very interesting page you found.
Unluckily, there is no firmware for my DMK31AU03 (only for DFK and DMK of types 22uc03, 42uc03 and 72uc02).
As Mr Geissler wrote, my 15 years old camera was designed in a time when no one suspected it would one day be used with Linux.

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No firmware update, indeed.
I attach the rules file created during compile.
v4l2-ctl --all gives what seems to be information about the laptop integrated webcam
And the last lines output by dmesg are:
[ 1391.394958] usb 2-1.6: new high-speed USB device number 4 using ehci-pci
[ 1391.505061] usb 2-1.6: New USB device found, idVendor=199e, idProduct=8101, bcdDevice= 1.00
[ 1391.505066] usb 2-1.6: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1391.505070] usb 2-1.6: Product: DMx 31AU03.AS
[ 1391.505073] usb 2-1.6: Manufacturer: The Imaging Source Europe GmbH
[ 1391.505076] usb 2-1.6: SerialNumber: 50700328
[ 1392.639425] uvcvideo: Found UVC 1.10 device DMx 31AU03.AS (199e:8101)
[ 1392.640754] uvcvideo 2-1.6:1.0: Entity type for entity Input 4 was not initialized!
[ 1449.126096] perf: interrupt took too long (4010 > 4000), lowering kernel.perf_event_max_sample_rate to 49750

 

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I received a response from S. Geissler at TheImagingSource.
He instructed me to build tiscamera from sources, and then to
    $ sudo cp build/data/udev/80-theimagingsource-cameras.rules /etc/udev/rules.d/
    $ sudo service udev restart
Unluckily, this didn't enable me to take exposures.
Mr Geissler warned me that this woudn't help if my camera was already recognized by the system, and it did, but as a DFx 21BU04 instead of a DMK 31AU03.AS, and, indeed, the suggested procedure didn't change anything.
So, I think this is the end of the story. I'll continue to take videos of the Sun and Moon and, maybe, revive a Windows laptop to take exposures.
Thanks a lot to both of you for having tried to help me.

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I received a response from S. Geissler at TheImagingSource.
He instructed me to build tiscamera from sources and to copy
build/data/udev/80-theimagingsource-cameras.rules
into
/etc/udev/rules.d/
sudo service udev restart80-theimagingsource-cameras.rules /etc/udev/rules.d/
sudo service udev restart

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Many thanks for your posts. I'm going to contact TheImagingSource to explain the problem, with the hope that a single firmware upgrade will solve the problem. Of course I'll keep you posted.

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I have bought it in December 2007. I returned it to Imaging Source because the exposures were limited to 30 s. They arranged the camera (firmware?) and since the I was able to take longer exposures, always using IC Capture running on Windows.

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Hi Eric,

I have written a long reply yesterday, but I don't see it in the thread...
In short :
- "###.###" was for any duration I tried, from 0.000 s to 1200 s, which I was allowed to choose in a drop-down list.
- My laptop has an internal webcam and /dev/video0 and /dev/video1 are already present before I connect my DMK camera.
- After connecting it, /dev/video2 and /dev/video3 are added.
- $ v4l2-ctl -l -d /dev/video2
                    brightness 0x00980900 (int)    : min=0 max=63 step=1 default=0 value=0
                         gamma 0x00980910 (int)    : min=1 max=500 step=1 default=100 value=100
                          gain 0x00980913 (int)    : min=260 max=1023 step=1 default=260 value=260
- $ uvcdynctrl -d /dev/video2 -c
  Listing available controls for device /dev/video2:
  Brightness
  Gamma
  Gain

Not any mention of long exposure possibility. Although the DMK has, it worked with IC Capture (manufacturer software) on a Windows laptop.


Laurent
 

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Hi,

I am new to INDI and to this forum. I am using Linux (Q4OS, derived from Debian 10) for about one year.
I owe a DMK 31AU03.AS camera and I want to use it on my Linux system.

I have installed CCDciel 0.9.75 and the latest version of INDI 1.9.1 which I compiled from sources.
I launch $ indiserver indi_v4l2_ccd from the command line, then I start CCDciel, which I configure to use with my camera.
I get the video stream without problem and I can change the frame rate successfully (1/30, 1/15, 2/15, 4/15).
I can also choose an exposure duration among a list (0.001, 0.005, 0.01, 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 30, 60, 120, 240, 300, 600, 1200s).
But when I click on the button to start the exposure I get this error message:
"Failed ###.###-second manual exposure, no adequate control is registered."

In the past, I was able to take exposures with my DMK camera, using IC Capture (the manufacturer software) on a Windows computer.

I have reported the problem on the CCDciel list. P. Chevalley who is the author has directed me to this forum.

Any help or advice would be very welcome.

Laurent

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