Re: WebCam Cannon powershot A520

On 09/26/2009 03:38 PM, Chris Mohler wrote:
On Sat, Sep 26, 2009 at 5:21 PM, NoOp <glgxg@xxxxxxxxxxxxx> wrote:

Yes - I've been playing around with this same camera, and it behaves
the way you describe. However, in 'viewing' mode, it should still be
possible to issue a command to gphoto to capture an image from the
camera.

The A520 or the A75? If A75 it will not be possible as the A75 shuts
down the USB port when you switch from view to picture mode.

According to the gphoto docs, the A75 should support remote control as
well. But as you noted, you must leave the camera in view mode to
establish a usb connection. What happens when you issue these two
commands (after plugging in the camera and unmounting the storage):

gphoto2 --auto-detect -L

Interesting - thanks! Never new about the gphoto2 options. However:

$ gphoto2 --auto-detect -L
Model Port

----------------------------------------------------------
Canon PowerShot A75 (PTP mode) usb:
There is no file in folder '/'.
There is no file in folder '/store_00010001'.

There is no file in folder '/store_00010001/DCIM'.
There are 6 files in folder '/store_00010001/DCIM/106CANON'.
#1 IMG_0690.JPG rd 684 KB 2048x1536 image/jpeg
#2 IMG_0691.JPG rd 847 KB 2048x1536 image/jpeg
#3 IMG_0692.JPG rd 714 KB 2048x1536 image/jpeg
#4 IMG_0693.JPG rd 510 KB 2048x1536 image/jpeg
#5 IMG_0694.JPG rd 574 KB 2048x1536 image/jpeg
#6 IMG_0695.JPG rd 371 KB 2048x1536 image/jpeg
There is no file in folder '/store_00010001/MISC'.
There is no file in folder '/store_80000001'.

gphoto2 --auto-detect --set-config capure=1

$ gphoto2 --auto-detect --set-config capure=1
Model Port

----------------------------------------------------------
Canon PowerShot A75 (PTP mode) usb:


*** Error ***
The capure widget is not configurable.
*** Error (-2: 'Bad parameters') ***
blah.

Perhaps the command is incorrect? I'll have to study the docs.


With any luck, the lens should extend.

Lens is still closed.

$ apt-cache policy gphoto2
gphoto2:
Installed: 2.4.0-1
Candidate: 2.4.0-1
Version table:
*** 2.4.0-1 0
500 http://archive.ubuntu.com jaunty/universe Packages
100 /var/lib/dpkg/status


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