Canon M10

Holger Klawitter <[email protected]> Tue, 12 Dec 2017 11:50:01 +0100
Newsgroups	gmane.comp.multimedia.gphoto.user
Message-ID	<20171212105000.GH7846@bianca>
Hi there,

I have done some experiments with a Canon M 10 attached to a Raspberry pi.
(libgphoto2 2.5.16, gphoto 2.5.15) Just taking shots works just fine,
but I have trouble configuring a shot.

1.) The available options are not consistent depending on how I request them:

gphoto2 --get-config shutterspeed
Label: Belichtungszeit                                                         
Readonly: 0
Type: RADIO
Current: 1/100
Choice: 0 30
Choice: 1 25
Choice: 2 20
Choice: 3 15
Choice: 4 13
Choice: 5 10
Choice: 6 8
Choice: 7 6
Choice: 8 5
Choice: 9 4
Choice: 10 3.2
Choice: 11 2.5
Choice: 12 2
Choice: 13 1.6
Choice: 14 1.3
Choice: 15 1
Choice: 16 0.8
Choice: 17 0.6
Choice: 18 0.5
Choice: 19 0.4
Choice: 20 0.3
Choice: 21 1/4
Choice: 22 1/5
Choice: 23 1/6
Choice: 24 1/8
Choice: 25 1/10
Choice: 26 1/13
Choice: 27 1/15
Choice: 28 1/20
Choice: 29 1/25
Choice: 30 1/30
Choice: 31 1/40
Choice: 32 1/50
Choice: 33 1/60
Choice: 34 1/80
Choice: 35 1/100
Choice: 36 1/125
Choice: 37 1/160
Choice: 38 1/200
END

Whereas gphoto --shell
> get-config shutterspeed
Label: Belichtungszeit
Readonly: 0
Type: RADIO
Current: 1/100
Choice: 0 30
Choice: 1 25
Choice: 2 20
Choice: 3 15
Choice: 4 13
Choice: 5 10
Choice: 6 8
Choice: 7 6
Choice: 8 5
Choice: 9 4
Choice: 10 3.2
Choice: 11 2.5
Choice: 12 2
Choice: 13 1.6
Choice: 14 1.3
Choice: 15 1
Choice: 16 0.8
Choice: 17 0.6
Choice: 18 0.5
Choice: 19 0.4
Choice: 20 0.3
Choice: 21 1/4
Choice: 22 1/5
Choice: 23 1/6
Choice: 24 1/8
Choice: 25 1/10
Choice: 26 1/13
Choice: 27 1/15
Choice: 28 1/20
Choice: 29 1/25
Choice: 30 1/30
Choice: 31 1/40
Choice: 32 1/50
Choice: 33 1/60
Choice: 34 1/80
Choice: 35 1/100
Choice: 36 1/125
Choice: 37 1/160
Choice: 38 1/200
Choice: 39 1/250
Choice: 40 1/320
Choice: 41 1/400
Choice: 42 1/500
Choice: 43 1/640
Choice: 44 1/800
Choice: 45 1/1000
Choice: 46 1/1250
Choice: 47 1/1600
Choice: 48 1/2000
Choice: 49 1/2500
Choice: 50 1/3200
Choice: 51 1/4000
END

2.) Im cannot alter configuration settings. Trying to set a parameter
brings the Camera into a broken state.

* when using gphoto2 --set-config the process hangs until I press the
power button of the camera (which itself hangs after that for a moment
until it shuts off).

* Similar when using gphoto2 --shell: I can change the setting (
it is properly reported by a following set-config) but it hangs
on exit then.

3.) I can take preview shots from the shell, but no true shots.
gphoto2 --shell
> capture-image

*** Fehler ***      
Canon EOS M Full-Press failed (0x2019: PTP-Device belegt)
FEHLER: Konnte Bild nicht aufnehmen.
FEHLER: Konnte nicht aufnehmen.
*** Fehler (-110: »I/O Operation in Arbeit«) ***

Oddly, when using:

gphoto2 --debug --debug-logfile=capture.log --shell

I was able to shoot one image (timing?) but set-config "killed"
the camera again:

$ gphoto2 --debug --debug-logfile=capture.log --shell
gphoto2: {/home/pi} /> capture-image                                           
Neue Datei ist in /store_00010001/DCIM/102___12/IMG_0248.JPG auf der Kamera
gphoto2: {/home/pi} /> set-config shutterspeed=45
gphoto2: {/home/pi} /> capture-image

Is this a simple bug, or the more fully support for M10 not feasible?

Regards,
  Holger

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