[sane-devel] Canon Mx 700 - Scanbuttons

[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.