[sane-devel] Sane_debug not available and front buttons for i1220 not shown in scanimage -A

[m. allan noah]

You would need the source code to kodak's backend to do that. I don't
think they make that available.

allan

On Wed, Sep 6, 2017 at 6:03 AM, fm8758ye <fm8758ye at 126.com> wrote:
> Thank you, and I have contacted Kodak last month but have received no
> response from them. In the likely case my request is ignored, it is possible
> for me to sniff packets on windows or linux and add support to the backend
> myself (I will look for a driver programmer for help)?
>
> Fan
>
>
>
> 在2017年08月22 21时02分, "m. allan noah"<kitno455 at gmail.com>写道:
>
>
> The .conf file is not the backend, it is just configuration. The real
> code is a compiled library, usually installed somewhere in /usr/lib...
>
> The sane standard does not require that backends expose button options
> to the frontend. So, the kvs_i1200 backend can be sane compliant, but
> not support scanbd. You will need to get kodak to modify the backend
> to add options which expose buttons.
>
> This is one of the biggest dangers of closed-source software. Only a
> small number of people at one company can help you. And, their
> motivation to do so is questionable since it likely won't add
> significantly to their sales.
>
> allan
>
> On Mon, Aug 21, 2017 at 10:48 PM, fm8758ye <fm8758ye at 126.com> wrote:
>> Dear Allan,
>>
>> Thank you for the input, do you mean the file kds_i1200.conf has to
>> provide
>> button support? I looked at the other conf files under sane.d and they all
>> look alike without any mentions of buttons. In the case that I have to
>> contact kodak, what should I ask them for?
>>
>> Fan
>>
>>
>>
>> 在2017年08月18 20时24分, "m. allan noah"<kitno455 at gmail.com>写道:
>>
>>
>> kds_i1200 would have to provide button support. I suggest you contact
>> kodak.
>>
>>
>> allan
>>
>> On Fri, Aug 18, 2017 at 12:14 AM, fm8758ye <fm8758ye at 126.com> wrote:
>>> I am trying to implement scanbd with the scanner as a scan station.
>>> However,
>>> I got stopped at the first step as scanimage -A only shows scan options
>>> (such as mode and profiles) and does not show any sensor or button.
>>> Holding
>>> down the front buttons and doing scanimage -A shows no value different.
>>> I
>>> have looked at previous mail lists and saw that sane_debug_? shows more
>>> options for scanner. However, the command is not available.
>>>
>>> Q: What do I have to do to get sane_debug_? command? What do I enter
>>> after
>>> debug_?
>>>
>>> Anyways, I went on installing scanbd following the readme and scanbd is
>>> able
>>> to poll the scanner but not detecting any button press, as expected.
>>> Scanbd
>>> -d7 -f shows around 20 options and none of them are related to a button
>>> press. With the default scanbd.conf, it kept checking for the change of
>>> [preview] value, which does not react to button press.
>>>
>>> Q: Am I out of luck as the backend does not support buttons?
>>>
>>> I have tried to capture usb traffic using wireshark but no button presses
>>> are recorded.
>>>
>>> Q: Does capturing a scan packet using scan GUI and analysing it help?
>>>
>>> Thank you in advance.
>>>
>>> Ubuntu 14.04 fresh install
>>> Sane 1.0.0.23 does not provide scanner backend for this model so external
>>> (official) driver is used instead (kds_i1200).
>>> sudo sane-find-scanner, scanimage -L and all other scanimage commands
>>> works
>>> fine
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> --
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>>
>>
>>
>> --
>> "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"