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#1 2015-05-04 19:20:32

llev
Member
Registered: 2011-12-09
Posts: 568

Digital camera not recognized

Hi,

I'm trying to access the memory card in my Canon camera through USB.

When I plug it I get a single line in dmesg:

[c]usb 1-6: new high-speed USB device number 9 using ehci_hcd[/c]

and that's it! So of course I cannot mount anything.

lsusb -vv gives:

[c]Bus 001 Device 007: ID 04a9:3110 Canon, Inc. EOS Digital Rebel XTi
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0        64
  idVendor           0x04a9 Canon, Inc.
  idProduct          0x3110 EOS Digital Rebel XTi
  bcdDevice            0.02
  iManufacturer           1 Canon Inc.
  iProduct                2 Canon Digital Camera
  iSerial                 0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           39
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0xc0
      Self Powered
    MaxPower                2mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           3
      bInterfaceClass         6 Imaging
      bInterfaceSubClass      1 Still Image Capture
      bInterfaceProtocol      1 Picture Transfer Protocol (PIMA 15470)
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval              10
Device Qualifier (for other device speed):
  bLength                10
  bDescriptorType         6
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0        64
  bNumConfigurations      1
Device Status:     0x0001
  Self Powered[/c]
Any ideas? Recommended kernel module packages?

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#2 2015-05-05 05:21:17

mojo
Administrator
Registered: 2011-03-29
Posts: 2,174

Re: Digital camera not recognized

gvs-gphoto2 supports Picture Transfer Protocol

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#3 2015-07-04 19:36:02

llev
Member
Registered: 2011-12-09
Posts: 568

Re: Digital camera not recognized

Hi mojo,

I finally took the time to test this. Now I have the following packages installed:

[c]> tazpkg -s gvfs
...
gvfs                    1.22.1            outils-système
gvfs-fuse               1.22.1            outils-système
gvfs-gphoto2            1.22.1            outils-système
gvfs-udisks2            1.22.1            outils-système[/c]
and

[c]> tazpkg -s gphoto
...
gphoto2                 2.4.11            graphisme
gvfs-gphoto2            1.22.1            outils-système
libgphoto2              2.4.11            graphisme[/c]
But I still cannot do anything with my camera plugged via USB. Neither spacefm nor pcmanfm show it.

Any idea?

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#4 2015-07-05 05:28:32

mojo
Administrator
Registered: 2011-03-29
Posts: 2,174

Re: Digital camera not recognized

Try to connect to the camera using gphoto2 the command-line client and transfer the files.

Start here: http://gphoto.org/doc/manual/using-gphoto2.html

The camera has to be powered up, maybe in a specific mode before gphoto2 can communicate with it.

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