Re: Canon 1300D: can only capture one image; second capture fails

On Sun, Feb 12, 2017 at 03:22:10AM +0100, Oliver Bendig wrote:
> 
> > Marcus Meissner <[email protected]> hat am 11. Februar 2017 um 22:04
> > geschrieben:
> >
> > Took some time to find some time to look into it.
> >
> > For the initial startup issue .... I spotted a small pattern which we could
> > use for waiting. The 0xd11b property (Available images) is send twice
> > with a value, but we can only start after it is send for the second time.
> >
> > Have to think how to implement this correctly.
>  
> I played around with the camera and gphoto to reproduce my same-image-problem. I
> got irritated by the LANG=C environment variable. I missed it to be set and when
> I started to play with the camera, I wondered why there was not any capture at
> all - even with the gphoto2 calls that proved to be working before. After I read
> your mail again, realized that I missed to set LANG=C and set it accordingly,
> everything worked again as before with the same timings as before. Now I can
> tell: if LANG=de_DE.UTF-8, no capture is possible at all. But you probably knew
> that before. ;-)

The configuration values are translated, thats why its needed to switch to english :)


As short cut, gphoto2 --wait-event=300ms --capture-image-and-download  just might work
too (as we just need the initial wait).


  
> > The second problem where it always return the same image. This is new.
> > Can you capture debuginfo for two consecutive captures that show this problem?
> 
> Hmm, it seems that this was my fault somehow. Luckily, it is not reproducible
> anymore. Maybe I had an issue with my loop and the way it copied the images.
> I rewrote my test script for taking many images in a loop and now it worked
> correctly all the times. I can't explain anymore...
>  
> Thank you very much for all you patience with this issue!
> Best regards, Oliver

Ok, good to hear :)

Ciao, Marcus

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