[sane-devel] Can Linux kernel support USB2.0 Scanner

Dear All If I want to use usb scanner with usb2.0 potocol, can Linux kernel supported now Sincerely Dan _ ÓëÁª»úµÄÅóÓѽøÐн»Á÷£¬ÇëʹÓà MSN Messenger: http://messenger.msn.com/cn

[sane-devel] Hai, about probe_scanner can't be probed

Hai, Henning Today, I modified scanner.c for Mustek A3Pro usb scanner (0x055f 0x0401) In probe_scanner. modified have_bulk_in = 1 have_bulk_out =2 have_intr = 3 to have_bulk_in = 0 have_bulk_out = 1 have_bulk_intr = 2 / + have_bulk_in-- + have_bulk_ou

[sane-devel] Hai

Hai henning: I will develop Linux driver for Mustek A3Pro scanner. But I have some problem in Usb modules and scanner modules of kernel. Here is scanner info and debug info when i attach scanner to PC hub.c: new USB device 00:07.2-2, assigned address 2 usb.c: kmalloc IF c9a31860, numif

[sane-devel] usb_submit_urb return ENOMEM?

Hello everyone: I have some problem in developing usb scanner.who can help me? when call usb_submit_urb() in probe_scanner() (scanner.c of kernel 2.4.19), return is ENOMEM. why and how to resolve that? My scanner has three endpoints (1 is bulk in, 2 is bulk out, 3 is bulk interrupt).

[sane-devel] About GT6801 CCD scanner

Hello, Henning: I have tried and get the correctly Mustek2400usb parameters. Now I can scan Gray and Color Image . But When I scanner 300dpi or more . When Scanning , sometime read data will stop, but motor is not stop. An other is when I set bytes per line of scanner image is larger than 800

[sane-devel] About GT6801 CCD scanner

Hai , Henning I have done some modify in GT68xx-backend. But I am not sure that modify. When I make scanner work OK. I will tell the modify to you. my compute is i386 and RH8.0( 2.4.19 kernle) . Thanks a lot Byte Dan _

[sane-devel] about GT6801 CCD scanner

Hai, henning: Thanks you I set base_xdpi of Mustek 2400usb scanner to 1200, then the gray Image is OK . But when I scan in color Mode , the bytes per line only 1/3 of I set. In backend I can't understangding some parameters (what is the difference of bace_xdpi and optical_xdpi? what's me

[sane-devel] GT6801 CCD Scanne

Hai, henning! There are some other problem in backend. Maybe parameters set to scanner have some errors. Scanning image is wrong.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

[sane-devel] GT6801 CCD Scanne

Hai henning: Thanks a lot Now I have finded why . After I start scan(0x43), I not wait for scanner ready(0x35), that cause my scanner only moving motor to start of scan and not scan. _ ÓëÁª»úµÄÅóÓѽøÐн»Á÷£¬ÇëʹÓà MSN

[sane-devel] about Mustek 2400 usb

Hello , everyone: Mustek 2400 usb is a GT6801 CCD scanner, When my driver(reference GT68xx-backend) set parameter to scanner(Command Code is 0x43), the scanner will move to starting of scan area, but only stand there and not scan. why? Sincerely Dan ___

[sane-devel] GT6801 CCD Scanner

Hai, everyone: I have a Mustek 2400 usb Scanner which VID/PID is 0x5d8 0x4002 . Just same as BearPaw 1200cu. But BearPaw 1200cu is CIS and 2400 USB is CCD. I want SANE to support it. I reference GT68xx backend to develop 2400USB driver. The problem is when I start scanning , the motor