[sane-devel] Canon Mx 700 - Scanbuttons

[Wilhelm]

Am 25.09.2012 19:54, schrieb Nelson:
>>> On Sat, 2012-08-11 at 20:22 +0200, Louis Lagendijk wrote:
>>>
>>>> hello Nelson/ list,
>>>> I finally managed to find some time to work on the bjnp button scan
>>>> support for the pixma backend. I got it working, although I am not
>>>> really sure that it does not contain faults in some corner cases. As we
>>>> are pretty close to the 1.0.23 release of sane, I will not yet commit
>>>> the changes to git. It took me quite a while to figure out how the
>>>> protocol works, so it has taken quite some time before I got something
>>>> working.
>>>>
>>>> Please let me know if you are in a hurry to test before the 1.0.23
>>>> release is done. If so, I can mail you a patch to apply on top of the
>>>> current git. I have only tested this with xsane, as I did not have time
>>>> to setup scanbd, sorry. It anyhow looks as if sane and printing (bjnp
>>>> backend for cups) can access the device at the same time: I could print
>>>> a page while xsane was waiting for a button to be pressed. When the
>>>> printjob was done, I was able to press the scan button again.
>>>>
>>>> Louis
>>>> P.s. I will push my changes to git as soon as 1.0.23 is released
>>>
>>> As I was working on the scan button support, I found out that my
>>> multi-function (MP980) does support IPv6 (I completely forgot). So I
>>> have added IPv6 support for the pixma backend. The changes for button
>>> support and IPv6 are now in git. Please test
>>> Kind regards, Louis
>>>
>>>
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>>
>> Hey Louis,
>> very good job. My scanner works now by using the buttons.
>>
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> Hey Louis,
> by using sane-backend(last git) with comandline, my scanner works with the buttons. E.g. scanimage buttoncontrolled=yes ....
>
>
> But scanbd can't read the buttonstatus. It's a bug or not implemented? All the options are available, but scanbd shows no action by using the buttons.

just to clearify: scanbd can read the buttons (e.g. a button-option with 
name "button-1") but the value of this particular option never changes 
when the user presses a button. A quick look in to the pixma 
backend-sources suggests that querying the button values isn't supported 
... ?

>
> Kind regards?
> Nelson
>


-- 
Wilhelm