[sane-devel] Reflecta ProScan 7200

[m. allan noah]

On Tue, Mar 8, 2011 at 6:04 PM, Jan Vleeshouwers
<j.m.vleeshouwers at tue.nl> wrote:
> m. allan noah <kitno455 <at> gmail.com> writes:
>
>>
>> On Mon, Feb 7, 2011 at 6:37 AM, Michael Rickmann <mrickma <at> gwdg.de>
>> wrote:
>> > I got a Reflecta USB film scanner to digitize my collection of old slides
>> > and negatives.
>>
>> <snip>
>>
>> Some random thoughts:
>>
>> 1. SCSI over USB is a fairly common way for makers to upgrade their products.
>> 2. Makers tend not to change protocols unless they absolutely must.
>> 3. Improving and existing backend generally preferred over writing new ones...
>> 4. ... unless the existing code is ugly or broken.
>>
>> So, I would first attempt to modify the PIE backend to know about USB
>> scanners. You might be able to copy some of the gl6xx code. I actually
>> prefer working with SCSI-based machines, they are the easiest.
>>
>> You will find SANE's support for infrared is quite lacking, however...
>>
>> allan
>
> See below for some more input. I've got a similar scanner with the same
> vendor/product ids and I'm curious about how far we can dissect this thing.
>
> I hope I've appropriately summarized what I've done. If it's cryptic, ask
> me to clarify. If you've got some additonal information, I'm interested. If it
> is not leading anywhere, I'd like to know as well...
>

sounds like you are on the right track. make sure you read the scsi
standard draft, not just the existing pie code. the scanner might use
more commands.

allan
-- 
"The truth is an offense, but not a sin"