[sane-devel] Canon LiDE 220

[Stef]

On 22/09/2014 19:35, Andreas Schneider wrote:
> On 21.09.2014 21:28, Stef wrote:
>> what does 'sane-find-scanner' reports ? You could also send data form 
>> lsusb. 
> Apart from what Alex already wrote (Chip GL848+), I tried a naive 
> approach of duplicating the Genesys_Model canon_lide_200_model and 
> registering it according to the device ID. It was just a stab in the 
> dark, since the 200 used the same chip (apparently). Unfortunately, 
> some control sequences must have changed, because:
>
>     > scanimage
>     scanimage: open of device genesys:libusb:001:004 failed: Error
>     during device I/O
>
>
> (I don't have a full development environment for SANE; I just changed 
> the source, rebuilt the package and installed it. Full debugging is 
> therefore not easily possible for me.)
>
> Is there an easy way to capture device IO on Windows? (... where the 
> scanner works)
> That way I could give you a dump of the traffic that you can look at 
> (I guess you have a practiced eye for the control data :-))
>
> Best regards,
> Andreas 
     Hello,

     you can try wireshark and export USB dump to text. I'll try to do 
something of it. On Windows XP i used usbsnoop for USB recording.

Regards,
     Stef


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