[sane-devel] GT6801 CCD Scanne

Henning Meier-Geinitz henning@meier-geinitz.de
Thu, 5 Dec 2002 09:18:06 +0100


On Thu, Dec 05, 2002 at 09:00:46AM +0800, Fan Dan wrote:
>   There are some other problem in backend. Maybe   parameters  set to 
> scanner have some errors. Scanning image is wrong.

But you get image data? That's at least a start.

> when I scan 640 bytes per 
> line and 64 lines image, Actualy scanner only get almost 320 bytes per line 
> and 64 lines image. I have test BearPaw 1200ta and BearPaw 1200cu , gt68xx 
> backends is work OK. I have check the parameters setting to scanner(0x20), 
> I can't find where is wrong.

Please show me what you changed in the code, especially which Model
struct you use in gt68xx_devices.c. Probably the one of the BearPaw
2400 CU (not Plus!) is a good start but you may need to change
bsae_xdpi and base_ydpi.