Where is a Camera Mount Point?
poma
pomidorabelisima at gmail.com
Sat Oct 25 23:20:15 UTC 2014
On 26.10.2014 00:01, Stephen Morris wrote:
> On 10/25/2014 01:31 PM, poma wrote:
>> On 25.10.2014 03:19, poma wrote:
>>> On 25.10.2014 02:09, poma wrote:
>>>> On 25.10.2014 01:31, Stephen Morris wrote:
>>>>> On 10/25/2014 01:09 AM, poma wrote:
>>>>>> On 24.10.2014 07:50, Stephen Morris wrote:
>>>>>>> I have plugged a digital camera into my usb port and mounted it using
>>>>>>> the popup displayed from the auto detect via konqueror (this annoys me
>>>>>>> as well). When konqueror is launched it displays the contents via
>>>>>>> Camera:/ which is okay, but subsequently I can't find any entries under
>>>>>>> /run that represent the camera. I assumed there would be a mount point
>>>>>>> under /run like there is for a usb flash disk. Given that there appears
>>>>>>> to not be a mount point under /run, where is it mounted in Fedora 20, so
>>>>>>> that I can point dolphin (which is what should be launched from the
>>>>>>> 'Open with File Manager' prompt, not Konqueror) at the mount point
>>>>>>> rather than having to manually type Camera:/ into the address bar.
>>>>>> ptp != usb_storage
>>>>>>
>>>>>> http://en.wikipedia.org/wiki/Picture_Transfer_Protocol
>>>>>> http://www.gphoto.org/proj/libgphoto2/
>>>>>>
>>>>>> modinfo -d usb_storage
>>>>>> USB Mass Storage driver for Linux
>>>>>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/plain/drivers/usb/storage/Kconfig
>>>>>>
>>>>>>
>>>>>> poma
>>>>>>
>>>>> Thankyou for the links. I looked at those links which gave me a lot more
>>>>> information that I didn't know about. Unfortunately the documentation on
>>>>> libphoto2 seems to potentially be self conflicting. The list of cameras
>>>>> that libphoto2 supports seems to have my Nikon D3100 listed, but the
>>>>> list of cameras and how they are supported under Unix does not appear to
>>>>> list my camera.
>>>>> Following Cameron's email I checked the mount list which seems to
>>>>> indicate there is no mount point, which also coincides with the
>>>>> available device interface in the system tray not being able to unmount
>>>>> the camera before disconnection.
>>>>> Also now that I have changed to application preference order in the
>>>>> properties of the folder displayed by dolphin, whenever I select 'Open
>>>>> with File Manager' at device detection time the process correctly
>>>>> launched dolphin to display the contents, whereas yesterday when
>>>>> konqueror was the default application, manually pointing dolphin at
>>>>> Camera:/ would not display the contents of the camera because dolphin
>>>>> was trying to treat the camera as a usb device and couldn't acquire the
>>>>> usb. The only issue with dolphin is it doesn't display the folder name
>>>>> where the images are stored on the camera as the same name that the
>>>>> camera says it is, dolphin seems to be putting its own prefix on the
>>>>> folder name.
>>>>> Also dolphin seems to be starting at a higher point in the directory
>>>>> tree for its displays than where Windows starts.
>>>>> DigiKam now seems be displaying the files on the camera now as well,
>>>>> whereas yesterday it couldn't either, although digiKam doesn't
>>>>> understand the raw format files that I am taking with the camera. I
>>>>> could use jpeg images but that is not as good for image manipulation and
>>>>> corrections as raw is. I can process these files using the raw interface
>>>>> to Photoshop Elements and Elements itself, albeit under windows, so not
>>>>> being able to access these under Linux is not that big a deal to me,
>>>>> other than the fact that I have to use Windows.
>>>>>
>>>>> regards,
>>>>> Steve
>>>>>
>>>> Does the Nikon D3100 supports USB mass storage mode?
>>>> http://goo.gl/7bGFuh
>>>>
>>>
>>> In this respect manual(D3100_EN.pdf) is questionable
>>> http://www.nikonusa.com/en/Nikon-Products/Product/dslr-cameras/D3100.html#tab-ProductDetail-ProductTabs-Support
>>>
>>> Therefore you can try this *if* the device supports both - PictBridge(PTP) & USB storage, and they collide:
>>>
>>> /etc/modprobe.d/usb_storage-quirks-Nikon_D3100.conf
>>> # Nikon D3100
>>> #
>>> # lsusb
>>> # ID 04b0:0130 Nikon Corp. Coolpix 4600 (ptp)
>>> # ID 04b0:0427 Nikon Corp.
>>> # modinfo -p usb_storage
>>> # ...
>>> # quirks:supplemental list of device IDs and their quirks (string)
>>> #
>>> # 1.
>>> options usb_storage quirks=04b0:0130:i
>>> #
>>> # 2.
>>> # options usb_storage quirks=04b0:0427:i
>>> #
>>> # 3.
>>> # options usb_storage quirks=04b0:0130:i,04b0:0427:i
>>> #
>>> # *uncomment* only *one* of the three *options* that you'll *use* as the first case!
>>>
>>>
>>> Ref.
>>> - https://www.kernel.org/doc/Documentation/kernel-parameters.txt
>>> ..
>>> usb-storage.quirks=
>>> [UMS] A list of quirks entries to supplement or
>>> override the built-in unusual_devs list. List
>>> entries are separated by commas. Each entry has
>>> the form VID:PID:Flags where VID and PID are Vendor
>>> and Product ID values (4-digit hex numbers) and
>>> Flags is a set of characters, each corresponding
>>> to a common usb-storage quirk flag as follows:
>>> ...
>>> i = IGNORE_DEVICE (don't bind to this
>>> device);
>>> ...
>>> Example: quirks=0419:aaf5:rl,0421:0433:rc
>>>
>>> - https://www.kernel.org/doc/Documentation/usb/hotplug.txt
>>>
>>> - USB: add Nikon D300 camera to unusual_devs
>>> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/drivers/usb/storage/unusual_devs.h?id=0047ca0
>>>
>>>
>> BTW
>> - Nikon D3100 specifications
>> http://www.dpreview.com/reviews/nikond3100/page2.asp
>> ...
>> Connectivity • USB 2.0 (Hi-Speed)
>> • Mass storage / PTP selectable
>>
>> - Digikam support Nikon D3100
>> http://thread.gmane.org/gmane.comp.kde.digikam.user/14517
>>
>> Xfce
>> - USB storage
>> $ thunar /run/media/user/</dev/disk/by-uuid/>/
>>
>> - MTP (Media Transfer Protocol)
>> $ thunar mtp://[usb:<bus>,<devnum>]/
>>
>> - PTP (Picture Transfer Protocol)
>> $ thunar gphoto2://[usb:<bus>,<devnum>]/
>>
>>
>>
>> Good luck with reading and playing with the device. :)
>>
>>
>> poma
>>
>>
>> Ref.
>> Mailing list
>> https://www.digikam.org/contact?q=support#mailinglists
> Thanks for all the info Poma, there is some very useful information in
> those links. Even though the links say the camera is switchable between
> the 2 modes I'm not sure whether it is manually switchable. The manual
> and camera itself don't have any details on how to do it. It seems as
> though it may be automatically switchable depending on the access
> mechanism. Under linux it seems to be accessed via PTP but under Windows
> (I'll need to double check this) it seems to be accessed in USB Mass
> Storage mode as it seems to be mounted as a USB device. I was able to
> remove files from the SD card on the camera using dolphin and digiKam
> was able to access the files directly by auto navigating down to the
> appropriate directory, but GIMP was unable to touch the camera at all.
>
> regards,
> Steve
>
Yeah this is one possibility, to change the operating modes via apps, like the mechanism used by USB_ModeSwitch.
USB_ModeSwitch - Handling Mode-Switching USB Devices on Linux
Introduction
http://www.draisberghof.de/usb_modeswitch/#intro
poma
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