[sane-devel] Fujitsu Backend

m. allan noah kitno455 at gmail.com
Thu Feb 13 01:23:29 GMT 2020


actually, we are able to detect that LUT is needed, and that should be
working for the ix500. Can you give a few example command lines with
scanimage that demonstrate the problem?

allan

On Wed, Feb 12, 2020 at 4:02 PM m. allan noah <kitno455 at gmail.com> wrote:

> Some fujitsu machines have native brightness/contrast support, others
> require that a LUT be calculated by the backend and uploaded. I don't think
> there is a way to detect which is needed. I will investigate further.
>
> allan
>
> On Wed, Feb 12, 2020 at 1:32 PM Tom Buckler <tom at buckler.ca> wrote:
>
>> Hi Allan,
>>
>> Do you know if the iX1500 should respond to —contrast and —brightness ?
>> I'm not getting any change with those parameters, and no details in the
>> manpage. —resolution —mode —ald work just fine…
>>
>> Thx,
>> Tom
>>
>>
>>
>> ------------------------------
>> *Tom Buckler* | Buckler Microelectronics Inc.
>> 17008 - 90 Avenue NW | Suite 272 | Edmonton | AB | Canada | T5T 1L6
>> *Cell:* (780) 499-5525
>> ------------------------------
>>
>>
>>
>>
>> On Feb 11, 2020, at 9:33 AM, m. allan noah <kitno455 at gmail.com> wrote:
>>
>> Which scanner are you using?
>>
>> allan (fujitsu backend author)
>>
>> On Tue, Feb 11, 2020 at 11:31 AM Tom Buckler <tom at buckler.ca> wrote:
>>
>>
>> Thanks Allan,
>>
>> I'm not sure how to deal with that, as libusb-dev isn't a separate
>> package from libusb as far as I know. But I seem to have gotten past that
>> with pkg-config as per Olaf's suggestion previous.
>>
>>
>> Cheers,
>> Tom
>>
>>
>> ________________________________
>> Tom Buckler | Buckler Microelectronics Inc.
>> 17008 - 90 Avenue NW | Suite 272 | Edmonton | AB | Canada | T5T 1L6
>> Cell: (780) 499-5525
>> ________________________________
>>
>>
>>
>>
>> On Feb 11, 2020, at 6:41 AM, m. allan noah <kitno455 at gmail.com> wrote:
>>
>> Do you have the header files for libusb installed? On other platforms
>> this would come from a package called libusb-dev or libusb-devel.
>>
>> allan
>>
>> On Tue, Feb 11, 2020 at 3:00 AM Olaf Meeuwissen
>> <paddy-hack at member.fsf.org> wrote:
>>
>>
>> Hi Tom,
>>
>> Tom Buckler writes:
>>
>> Hello,
>>
>> I am wanting to install a new instance of sane on OSX:
>>
>> When I go to
>> $ ./configure BACKENDS="fujitsu"
>> I get
>> *** Warning: sane-backends will be built without USB support.  There may
>>
>> Yet libusb is installed via homebrew:
>> taws27 on TAWS27: /usr/local/lib$ ls -l libusb*
>> lrwxr-xr-x  1 taws27  admin  46 10 Feb 23:16 libusb-1.0.0.dylib ->
>> ../Cellar/libusb/1.0.23/lib/libusb-1.0.0.dylib
>> lrwxr-xr-x  1 taws27  admin  40 10 Feb 23:16 libusb-1.0.a ->
>> ../Cellar/libusb/1.0.23/lib/libusb-1.0.a
>> lrwxr-xr-x  1 taws27  admin  44 10 Feb 23:16 libusb-1.0.dylib ->
>> ../Cellar/libusb/1.0.23/lib/libusb-1.0.dylib
>>
>> Thoughts appreciated,
>>
>>
>> Please run `./configure --with-usb BACKENDS=fujitsu` and send the
>> `config.log` file to the list.  You may want to compress the file
>> as large messages end up in the moderator queue.
>>
>> That is not a problem per se, but it slows down communication.
>>
>> Even when compressed, the message may be too large.
>>
>> Alternatively, you could create an issue for this at
>>
>> https://gitlab.com/sane-project/backends/issues/new
>>
>> I don't have access to any MacOS systems, so can only really debug
>> this via that log file.
>>
>> That said, do you have `pkg-config` installed?  If not, that is most
>> likely why libusb is not detected.
>>
>> Apologies but we don't see many MacOS folks around here so our build
>> instructions may be lacking a bit for that OS.
>>
>> Hope this helps,
>> --
>> Olaf Meeuwissen, LPIC-2            FSF Associate Member since 2004-01-27
>> GnuPG key: F84A2DD9/B3C0 2F47 EA19 64F4 9F13  F43E B8A4 A88A F84A 2DD9
>> Support Free Software                        https://my.fsf.org/donate
>> Join the Free Software Foundation              https://my.fsf.org/join
>>
>>
>>
>> --
>> "well, I stand up next to a mountain- and I chop it down with the edge
>> of my hand"
>>
>>
>>
>>
>> --
>> "well, I stand up next to a mountain- and I chop it down with the edge
>> of my hand"
>>
>>
>>
>
> --
> "well, I stand up next to a mountain- and I chop it down with the edge of
> my hand"
>


-- 
"well, I stand up next to a mountain- and I chop it down with the edge of
my hand"
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