Hi, On Wed, Aug 24, 2005 at 12:06:44PM -0400, Rayudu Addagarla wrote: > Hai Gerhard, > Try the snapscan backend. > I saw some references of epson and the vendor ID, in snapscan.h and > snapscan.conf I build sane-backends new from cvs (1.0.16).
# the snapascn backend test: $ export SANE_DEBUG_SNAPSCAN=128 $ scanimage -L [sanei_debug] Setting debug level of snapscan to 128. [snapscan] sane_snapscan_init [snapscan] sane_snapscan_init: Snapscan backend version 1.4.43 [snapscan] add_usb_device(libusb:004:002) [snapscan] add_usb_device: Detected (kind of) an USB device [snapscan] snapscani_usb_open(libusb:004:002) [snapscan] add_usb_device: Checking if 0x04b8 is a supported USB vendor ID [snapscan] snapscani_check_device() [snapscan] mini_inquiry [snapscan] snapscan_cmd [snapscan] snapscani_usb_cmd(0,0xbf992762,6,0xbf99273e,0xbf992768 (36)) [snapscan] atomic_usb_cmd(0,0xbf992762,6,0xbf99273e,0xbf992768 (36)) [snapscan] usb_cmd(0,0xbf992762,6,0xbf99273e,0xbf992768 (36)) [snapscan] usb_cmd: cmdlen=6, datalen=0 [snapscan] usb_write: writing: 0x12 0x00 0x00 0x00 0x24 0x00 [snapscan] Written 6 bytes [snapscan] usb_read Only 0 bytes read [snapscan] usb_read: reading: 0x12 0x00 0x00 0x00 0x24 0x00 0x17 0xc0 [snapscan] Read 0 bytes [snapscan] mini_inquiry: snapscan_cmd command failed: Error during device I/O [snapscan] snapscani_check_device: mini_inquiry failed with Error during device I/O. [snapscan] snapscani_usb_close(0) [snapscan] 1st read 0 write 1 [snapscan] snapscani_usb_cmd(0,0xbf992758,6,0xbf9926e0,0xbf992764 (120)) [snapscan] atomic_usb_cmd(0,0xbf992758,6,0xbf9926e0,0xbf992764 (120)) [snapscan] usb_cmd(0,0xbf992758,6,0xbf9926e0,0xbf992764 (120)) [snapscan] usb_cmd: cmdlen=6, datalen=0 [snapscan] usb_write: writing: 0x12 0x00 0x00 0x00 0x78 0x00 [snapscan] Written 6 bytes [snapscan] usb_read Only 0 bytes read [snapscan] usb_read: reading: 0x12 0x00 0x00 0x00 0x78 0x00 0x00 0x00 [snapscan] Read 0 bytes [snapscan] 2nd read 0 write 2 [snapscan] sane_snapscan_exit It seems that the snapscan backend can't talk to the scanner. # the epson backend test $ scanimage -L device `epson:libusb:004:002' is a Epson flatbed scanner $ export SANE_DEBUG_EPSON=128 $ scanimage -d epson:libusb:004:002 > out.pnm [sanei_debug] Setting debug level of epson to 128. [epson] sane_init: sane-backends 1.0.16-cvs [epson] sane_init, ># epson.conf< [epson] sane_init, >#< [epson] sane_init, ># here are some examples for how to configure the EPSON backend< [epson] sane_init, >#< [epson] sane_init, ># SCSI scanner:< [epson] sane_init, >scsi EPSON< [epson] sane_init, ># for the GT-6500, comment out the previous line and uncomment the following line:< [epson] sane_init, >#scsi< [epson] sane_init, >#< [epson] sane_init, ># Parallel port scanner:< [epson] sane_init, >#pio 0x278< [epson] sane_init, >#pio 0x378< [epson] sane_init, >#pio 0x3BC< [epson] sane_init, >#< [epson] sane_init, ># USB scanner:< [epson] sane_init, ># There are two different methods of configuring a USB scanner: libusb and the kernel module< [epson] sane_init, ># For any system with libusb support (which is pretty much any recent Linux distribution) the< [epson] sane_init, ># following line is sufficient. This however assumes that the connected scanner (or to be more< [epson] sane_init, ># accurate, it's device ID) is known to the backend.< [epson] sane_init, >usb< [epson] attach_one_usb() [epson] SANE Epson Backend v0.2.45 - 2000-01-09 [epson] attach(, 3) [epson] attach: opening [epson] sane_init, ># For libusb support for unknown scanners use the following command< [epson] sane_init, ># usb <product ID> <device ID>< [epson] sane_init, ># e.g.:< [epson] sane_init, ># usb 0x4b8 0x110< [epson] sane_init, ># And for the scanner module, use the following configuration:< [epson] sane_init, >#usb /dev/usbscanner0< [epson] sane_init, >#usb /dev/usb/scanner0< [epson] sane_init, >< [epson] sane_init, ># Epson Perfection 4490< [epson] sane_init, >usb 0x04b8 0x0119< [epson] attach_one_usb(libusb:004:002) [epson] SANE Epson Backend v0.2.45 - 2000-01-09 [epson] attach(libusb:004:002, 3) [epson] attach: opening libusb:004:002 [epson] Found valid EPSON scanner: 0x4b8/0x119 (vendorID/productID) [epson] reset() [epson] send buf, size = 2 [epson] buf[0] 1b . [epson] buf[1] 40 @ [epson] w_cmd_count = 1 [epson] r_cmd_count = 0 [epson] w_cmd_count = 1 [epson] r_cmd_count = 1 [epson] receive buf, expected = 1, got = 1 [epson] buf[0] 15 . [epson] get_identity_information() [epson] send buf, size = 2 [epson] buf[0] 1b . [epson] buf[1] 49 I [epson] w_cmd_count = 2 [epson] r_cmd_count = 1 [epson] w_cmd_count = 2 [epson] r_cmd_count = 2 [epson] receive buf, expected = 4, got = 1 [epson] buf[0] 15 . [epson] code 15 [epson] type 1 0x31 [epson] level 9 0x39 [epson] no option equipment installed [epson] Unknown type 1 or level 9, using B3 [epson] fbf tlx 0.000000 tly 0.000000 brx 0.000000 bry 0.000000 [mm] [epson] send buf, size = 2 [epson] buf[0] 1b . [epson] buf[1] 44 D [epson] w_cmd_count = 3 [epson] r_cmd_count = 2 [epson] w_cmd_count = 3 [epson] r_cmd_count = 3 [epson] receive buf, expected = 1, got = 1 [epson] buf[0] 15 . [epson] send buf, size = 2 [epson] buf[0] 1b . [epson] buf[1] 44 D [epson] w_cmd_count = 4 [epson] r_cmd_count = 3 [epson] w_cmd_count = 4 [epson] r_cmd_count = 4 [epson] receive buf, expected = 1, got = 1 [epson] buf[0] 15 . [epson] send buf, size = 2 [epson] buf[0] 1b . [epson] buf[1] 44 D [epson] w_cmd_count = 5 [epson] r_cmd_count = 4 [epson] w_cmd_count = 5 [epson] r_cmd_count = 5 [epson] receive buf, expected = 1, got = 1 [epson] buf[0] 15 . [epson] Max. supported color depth = 8 [epson] request_focus_position() [epson] Disabling 'Set Focus' support [epson] send buf, size = 2 [epson] buf[0] 1b . [epson] buf[1] 66 f [epson] w_cmd_count = 6 [epson] r_cmd_count = 5 [epson] w_cmd_count = 6 [epson] r_cmd_count = 6 [epson] receive buf, expected = 4, got = 1 [epson] buf[0] 15 . [epson] code 15 [epson] scanner model: [epson] close_scanner(fd = 0) [epson] w_cmd_count = 6 [epson] r_cmd_count = 6 [epson] w_cmd_count = 6 [epson] r_cmd_count = 6 [epson] sane_init, >< [epson] sane_open(libusb:004:002) [epson] init_options() [epson] open_scanner() [epson] setvalue(option = 38, value = 0xbf9b9794) [epson] set = 0.000000 [epson] setvalue(option = 39, value = 0xbf9b9794) [epson] set = 0.000000 [epson] sane_start() [epson] open_scanner() [epson] scanner is already open: fd = 0 [epson] sane_start: Setting data format to 1 bits [epson] send buf, size = 2 [epson] buf[0] 1b . [epson] buf[1] 44 D [epson] w_cmd_count = 7 [epson] r_cmd_count = 6 [epson] w_cmd_count = 7 [epson] r_cmd_count = 7 [epson] receive buf, expected = 1, got = 1 [epson] buf[0] 15 . [epson] sane_start: set_data_format failed: Invalid argument scanimage: sane_start: Invalid argument [epson] close_scanner(fd = 0) [epson] send buf, size = 2 [epson] buf[0] 1b . [epson] buf[1] 46 F [epson] w_cmd_count = 8 [epson] r_cmd_count = 7 [epson] w_cmd_count = 8 [epson] r_cmd_count = 8 [epson] receive buf, expected = 4, got = 1 [epson] buf[0] 15 . [epson] w_cmd_count = 8 [epson] r_cmd_count = 8 [epson] w_cmd_count = 8 [epson] r_cmd_count = 8 For the epkowa backend, I don't know were to find the newest sources. Please let me know if I can provide any further informations. Greetings Gerhard
