This page attempts to describe how to get your DigitalCamera working under Linux.
I found some good info about digital cameras at http://www.teaser.fr/hfiguiere/linux/digicam.html - zcat(1)
See also HowToKodakDigitalcamHOWTO? and HowToUSBDigitalCameraHOWTO?.
Linux Frontend software for transfering pictures off cameras:
These programs have Debian packages of the same name - I would guess RPM-based distros do too.
You can also "mount" many cameras onto your filesystem, so that the contents look like a normal directory. See the "mass-storage" notes below.
After the camera is setup as a USB device, there are two main ways the picture contents can be read: USB Mass Storage, or PTP.
The Kodak DX3900 and DX4900, unlike the other DX cameras, don't allow uploading files from your computer to the camera - you get a write error. (see faq item1 and faq item2.)
There are two main ways to read (and write) files from (and to) a digital camera: using gphoto2, or accessing the raw filesystem as a mass-storage device.
These are pretty generic instructions, using a Kodak CX4230 as an example).
You need to load the USB modules (not sure which ones, I have them built in), assuming you have a USB camera, of course.
Under Debian, you can
apt-get install gphoto2
Note that you will either need to run these commands as root, or (preferably) set your system up so that non-root users have read (and write) access to the correct devices. Debian users should read /usr/share/doc/libgphoto2-2/README.Debian for information on how to use gphoto2 as a non-root user (which is contained within the libgphoto2-2 package). (There should be a similar file in the gphoto2 or libgphoto2 package on rpm based systems). The HotPlug page also briefly describes how to set up scripts to set the permissions on the USB port.
This will detect the camera plugged into the USB port.
And with any luck you will have your photos downloaded to $PWD, otherwise you can use the "--get-all-files" argument to gphoto2.
(Note: It is not strictly necessary to specify the port and camera model, since gphoto2 will scan them, and will also store these settings in the $HOME/.gphoto/settings file. Just doing
gphoto2 --get-all-files
should be enough if everything goes well. "-P" is a short-cut option for "--get-all-files")
After you're done, you can erase the pictures from the camera with
gphoto2 --port "usb:" --camera "Kodak CX4230" --delete-all-files
("-D" is a shortened option for "--delete-all-files". Again, the --port and --camera aren't really necessary if the gphoto libraries successfully automatically detect the camera type - it will use stored settings.)
If you don't want to use the command-line, you can use one of the graphical front-ends mentioned earlier up the page.
If you have a camera not supported by gphoto, you can probably still mount it as a USB drive. (Note that in Linux, the USB Mass storage support also requires SCSI emulation support.)
Under a stock RedHat just plug it in and check what it got detected as;
~ USB Mass Storage device found at 4 SCSI device sda: 14528 512-byte hdwr sectors (7 MB) sda: Write Protect is off
sda: sda1
cdrecord --scanbus ~~
0,0,0 0) 'CONCORD ' 'DIGITAL CAMERA ' '1.00' Removable Disk
~~
(A good place to mount the device would be the /media/camera directory, although you will need to create the directory if it isn't already there).
Your piccies will appear somewhere under this directory and you can copy, move, delete them like any other filesystem.
/mnt/usbfs/dcim/100duopl:
- rwxr-xr-x 1 root root 189064 Jan 2 2000 img00001.jpg
The same steps should work for any other Linux distro, although you might need to manually load modules for USB and USB filesystem support.
The procedure was almost identical under FreeBSD, but I've forgotten exactly what I did. I'll wiki that up some other time.
Here is how I got my brand new Samsung Digimax V4 digital camera working in Linux.
By 'working' I mean, the files on the Secure Digital card are readable while the camera is connected to my PC via USB.
First of all, I am using Linux 2.4.21 on Gentoo (2003-07-18), with an Asus A7V8X motherboard (hence KT400 chipset).
I have a CD burner so I already have the SCSI emulation compiled into my kernel (or as modules). The only extra SCSI module I needed is the SCSI Disk driver (sd_mod.o). I also had Mass Storage support (usb-storage.o) and the USB virtual filesystem support.
$ cat /proc/scsi/usb-storage-0/1
Host scsi1: usb-storage
Vendor: SAMSUNG
Product: DIGIMAX V4
Serial Number: None
Protocol: 8070i
Transport: Bulk
GUID: 083910090000000000000000
Attached: Yes
Also, /dev/sda1 appeared.
And voila!
I think that was all. The hardest part was working out what drivers I needed.
Under Gentoo with my Sony 5MP camera, I did all of the above and also added a /etc/fstab entry to use Supermount to automatically mount /dev/sda1 to /mnt/camera this works really well as now I can just plug and unplug the camera as I please and it automatically mounts and unmounts it. It also even shows a purty little icon on your Gnome desktop.
2 pages link to DigitalCameraSetup:
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