[sane-devel] HP Scanjet 200, developing

Алексей Тамбовцев alex.tambovtsev at gmail.com
Fri Apr 7 09:47:25 UTC 2017

I have a scanner HP Scanjet 200 wich is not supported by sane.
I made a file genesys_gl848.c like a genesys_gl847, add id and vendor of
this scanner into genesys.conf. Then i add some changes into genesys_low.c,
genesys.c and genesys_devices.c for gl848 likeness functions for gl847. How
the standart for gl848 i used data for canon lide 200(220) in the genesys
backend files. Then i made a git version of sane-backends with those
changes. After that HP Scanjet 200 is initialized by scanimage -L.

scanimage -T is crashed by:
[genesys_gl848] gl848_slow_back_home: timeout while waiting for scanhead to
go home
[genesys_low] sanei_genesys_asic_init: Error during device I/O
I can paste the whole log into this page if it is necessary (it is big).
Scanner isn't doing anything.
What should i do next?

2017-03-20 12:12 GMT+03:00 Алексей Тамбовцев <alex.tambovtsev at gmail.com>:

> Hi, everyone!
> Thank you for your job.
> I have scanner HP Scanjet 200 wich don't have support by sane.
> I want to try write backend for it.
> I didn't write any backends before. I will try to modify backend
> genesys_gl847, because the command "sane-find-scanner" print, that a
> chipset of this scanner - gl848+. Is this way is true? Could you help me
> with advice? What shell i do first?
> Thank you.
> Alexey.
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