[sane-devel] UMAX 2200 USB support

[Frank Zago]

The sanei_usb support is incomplete for that scanner. It needs to
send control messages to prepare the bulk transfer. I can add that to
sanei_usb though. The usb1220u already has that.

Frank.

On Wed, 21 Nov 2001, Henning Meier-Geinitz wrote:

> Hi,
>
> On Tue, Nov 20, 2001 at 09:47:52PM -0600, Frank Zago wrote:
> > * I used the libusb library to support usb. As a result, the backend
> > autodetect the scanner and does not use /dev/usbscanner nor the
> > configuration files. And it does not use the scanner driver. Is the use of
> > the libusb a good idea?
>
> I'm not sure. I don't have any experience with libusb. The main reason
> to not use it when I started the Mustek USB backend was the absence of
> any documentation. Someone also mentioned that it's not possible to
> restrict access to the scanner by setting permissions. I don't konw
> about portability: in prociple, this library should be able to run on
> everything that supports USB but I don't know what it really supports.
> sanei_usb currently is tested (and works) with Linux and FreeBSD.
>
> My opinion is: It's just one more library that may make life harder
> when compiling/linking. If you include support into the umax backend,
> be sure to make it compiling and running (the SCSI part) even if the
> lib isn't present.
>
> Concerning autodetection: This is also possible with sanei_usb and
> newer Linux kernels.
>
> Bye,
>   Henning
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--
Frank Zago - Gresham Enterprise Storage - www.greshamstorage.com