WebCam Cannon powershot A520

NoOp glgxg at sbcglobal.net
Sat Sep 26 22:56:43 UTC 2009


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