Difference between revisions of "Digital camera"

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This article is about how you can use digital cameras that have a USB connection with Linux. There are two types of digital cameras: mass storage cameras and PTP cameras. With mass storage devices you connect the camera via USB and can read the photographs as if the camera was a USB hard disk. With PTP cameras, you need software to read the pictures. On most cameras, you can switch if you want to use them as PTP or mass storage cameras. This article uses SUSE Linux 11.1 as example, but it should work same or similar on every Linux distribution.
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{| align=right border="0" cellpadding="10" cellspacing="0" style="background-color:#ddddff;"
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|+ align="top" style="background-color:#ccccff;"|<br />'''Tutorial Factbox'''<br /><br />
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|-
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| Time to replay
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| 20 min
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|-
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| Example Distro
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| SUSE Linux 11.1
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|-
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| <font color=blue><span title="Can be: Howto/Tutorial, Tip, Troubleshooting, Concept">Type</span>
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| Howto
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|}
  
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= Find out what you have =
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This article is about how you can use digital cameras that have a USB connection with Linux. There are two types of digital cameras: [[USB mass storage device class|mass storage cameras]] and [http://en.wikipedia.org/wiki/Picture_Transfer_Protocol PTP] cameras. With mass storage devices you connect the camera via USB and can read the photographs as if the camera was a USB hard disk. With PTP cameras, you need software to read the pictures. On most cameras, you can switch if you want to use them as PTP or mass storage cameras. In both cases, you can pull out the storage chip and use it in e.g. and SD-card-reader which will behave like a USB disk. This article uses SUSE Linux 11.1 as example, but it should work same or similar on every Linux distribution.
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In your digital camera's menu, try to find the menu item that makes the distinction between your camera acting as mass storage USB device and PTP device. Set it to the mass storage option. If you do not find the item and are still unsure which type of camera you have, you will have to try both options, PTP and mass storage.
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= Choosing a digital camera =
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* does it have a menu structure that you understand?
 +
* what resolution has it (MegaPixel)?
 +
* can you use SD cards (many computers have slots for them)?
 +
* is it capable to use SDHC cards?
 +
* can you charge it using a standard adapter (micro USB)?
 +
* do you want it to be watertight?
 +
 
 +
Thanks for the a new challenge you have unorevced in your blog post. One thing I would really like to discuss is that FSBO associations are built after a while. By introducing yourself to the owners the first saturday their FSBO can be announced, prior to the masses begin calling on Wednesday, you create a good interconnection. By sending them tools, educational components, free accounts, and forms, you become a great ally. By using a personal interest in them in addition to their scenario, you develop a solid connection that, many times, pays off in the event the owners decide to go with an adviser they know along with trust  preferably you.
  
 
= Mass storage cameras =
 
= Mass storage cameras =
Line 33: Line 53:
 
  usb-storage: device scan complete
 
  usb-storage: device scan complete
 
That means your camera's pictures are available on device ''/dev/sdc1''. If you are flooded by dmesg's messages, you can also look at it using  
 
That means your camera's pictures are available on device ''/dev/sdc1''. If you are flooded by dmesg's messages, you can also look at it using  
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  # hwinfo --block --short
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  # [[hwinfo]] --block --short
 
  disk:
 
  disk:
 
   /dev/sda            SAMSUNG HD103UJ
 
   /dev/sda            SAMSUNG HD103UJ
Line 46: Line 66:
 
   /dev/sr0            HL-DT-ST DVD-ROM GDRH20N
 
   /dev/sr0            HL-DT-ST DVD-ROM GDRH20N
 
   /dev/sr1            TSSTcorp DVD+-RW TS-H653B
 
   /dev/sr1            TSSTcorp DVD+-RW TS-H653B
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You can now mount ''/dev/sdc1'' to /mnt/camera:
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sudo mkdir -p /mnt/camera
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sudo mount ''/dev/sdc1'' /mnt/camera
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Now you can find your pictures and movies on /mnt/camera.
  
 
= PTP cameras =
 
= PTP cameras =
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If you have a PTP USB digital camera, you can get all its pictures transferred with gphoto2. To install and run it, [[open a console]] and type
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If you have a PTP USB digital camera, you can get all its pictures transferred with gphoto2. So [[build and install gphoto2]], then [[open a console]] and type
 
  mkdir photos
 
  mkdir photos
 
  cd photos
 
  cd photos
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sudo yast -i gphoto2
 
 
  gphoto2 --get-all-files
 
  gphoto2 --get-all-files
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= TroubleShooting =
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'''Symptom:''' When trying to mount your camera, you get
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mount: unknown filesystem type 'vfat'
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 +
'''Reason:''' Your kernel does not have vfat support compiled in nor does it have vfat compiled as a module. The following shows how it should look like:
 +
 +
# cat /proc/filesystems | grep vfat
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        vfat
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# lsmod | grep vfat
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vfat                  11752  1
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fat                    53592  1 vfat
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# zcat /proc/config.gz | grep -i fat
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# DOS/FAT/NT Filesystems
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CONFIG_FAT_FS=m
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CONFIG_VFAT_FS=m
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CONFIG_FAT_DEFAULT_CODEPAGE=437
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CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
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 +
'''Solution:''' Install a kernel with vfat support, best use the one from your distribution. SUSE Linux 11.1 is known to work.
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 +
= rescue pics from SD card =
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[http://www.cgsecurity.org/wiki/PhotoRec photorec] is contained in the package "testdisk"

Latest revision as of 19:08, 11 January 2016


Tutorial Factbox
Time to replay 20 min
Example Distro SUSE Linux 11.1
Type Howto

This article is about how you can use digital cameras that have a USB connection with Linux. There are two types of digital cameras: mass storage cameras and PTP cameras. With mass storage devices you connect the camera via USB and can read the photographs as if the camera was a USB hard disk. With PTP cameras, you need software to read the pictures. On most cameras, you can switch if you want to use them as PTP or mass storage cameras. In both cases, you can pull out the storage chip and use it in e.g. and SD-card-reader which will behave like a USB disk. This article uses SUSE Linux 11.1 as example, but it should work same or similar on every Linux distribution.

Choosing a digital camera

  • does it have a menu structure that you understand?
  • what resolution has it (MegaPixel)?
  • can you use SD cards (many computers have slots for them)?
  • is it capable to use SDHC cards?
  • can you charge it using a standard adapter (micro USB)?
  • do you want it to be watertight?

Thanks for the a new challenge you have unorevced in your blog post. One thing I would really like to discuss is that FSBO associations are built after a while. By introducing yourself to the owners the first saturday their FSBO can be announced, prior to the masses begin calling on Wednesday, you create a good interconnection. By sending them tools, educational components, free accounts, and forms, you become a great ally. By using a personal interest in them in addition to their scenario, you develop a solid connection that, many times, pays off in the event the owners decide to go with an adviser they know along with trust preferably you.

Mass storage cameras

Make sure your system log is empty. open a console and type 

dmesg -c

Now switch on and connect your camera to a USB port. Then type 

dmesg

At the end of dmesg you should see something like 

usb 8-3: new high speed USB device using ehci_hcd and address 3
usb 8-3: configuration #1 chosen from 1 choice
scsi5 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 3
usb-storage: waiting for device to settle before scanning
usb 8-3: New USB device found, idVendor=054c, idProduct=0010
usb 8-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 8-3: Product: Sony DSC
usb 8-3: Manufacturer: Sony
scsi 5:0:0:0: Direct-Access     Sony     Sony DSC         6.00 PQ: 0 ANSI: 0 CCS
sd 5:0:0:0: [sdc] 1953792 512-byte hardware sectors: (1000MB/954MiB)
sd 5:0:0:0: [sdc] Write Protect is off
sd 5:0:0:0: [sdc] Mode Sense: 00 00 00 00
sd 5:0:0:0: [sdc] Assuming drive cache: write through
sd 5:0:0:0: [sdc] 1953792 512-byte hardware sectors: (1000MB/954MiB)
sd 5:0:0:0: [sdc] Write Protect is off
sd 5:0:0:0: [sdc] Mode Sense: 00 00 00 00
sd 5:0:0:0: [sdc] Assuming drive cache: write through
 sdc: sdc1
sd 5:0:0:0: [sdc] Attached SCSI removable disk
sd 5:0:0:0: Attached scsi generic sg4 type 0
usb-storage: device scan complete

That means your camera's pictures are available on device /dev/sdc1. If you are flooded by dmesg's messages, you can also look at it using 

# hwinfo --block --short
disk:
  /dev/sda             SAMSUNG HD103UJ
  /dev/sdb             WDC WD3200AAKS-7
  /dev/sdc             Sony DSC
partition:
  /dev/sda1            Partition
  /dev/sdb1            Partition
  /dev/sdb2            Partition
  /dev/sdc1            Partition
cdrom:
  /dev/sr0             HL-DT-ST DVD-ROM GDRH20N
  /dev/sr1             TSSTcorp DVD+-RW TS-H653B

You can now mount /dev/sdc1 to /mnt/camera: 

sudo mkdir -p /mnt/camera
sudo mount /dev/sdc1 /mnt/camera

Now you can find your pictures and movies on /mnt/camera.

PTP cameras

If you have a PTP USB digital camera, you can get all its pictures transferred with gphoto2. So build and install gphoto2, then open a console and type 

mkdir photos
cd photos
gphoto2 --get-all-files

TroubleShooting

Symptom: When trying to mount your camera, you get 

mount: unknown filesystem type 'vfat'

Reason: Your kernel does not have vfat support compiled in nor does it have vfat compiled as a module. The following shows how it should look like: 

# cat /proc/filesystems | grep vfat
        vfat
# lsmod | grep vfat
vfat                   11752  1
fat                    53592  1 vfat
# zcat /proc/config.gz | grep -i fat
# DOS/FAT/NT Filesystems
CONFIG_FAT_FS=m
CONFIG_VFAT_FS=m
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"

Solution: Install a kernel with vfat support, best use the one from your distribution. SUSE Linux 11.1 is known to work.

rescue pics from SD card

photorec is contained in the package "testdisk"

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