On 02/11/2012 20:26, Ale? Nesrsta wrote:
> Hi all,
>
> I tried to report unsupported device via
> http://www.meier-geinitz.de/tinc?key=rDoQ7lrj&formname=adddev
> but it fails with some error written in German language which I don't
> understand.
>
> So, I am trying to report unsupported device via this mail list - sorry,
> if it is wrong place or my report is duplicate to some another etc.
>
> If there is somebody interested to create sane-backend to this device I
> can help him e.g. by dumping Windows USB communication via SniffUSB
> according to some detailed instructions.
>
> Best regards
> Ales
>
>
> The unsupported device is Umax AstraScan 4750, there are some details:
>
> Manufacturer: Umax
> Model Name: AstraScan 4750
> Bus type: USB
> Vendor ID: 0x07b3
> Product ID: 0x0802
> Chipset: unknown
>
> Comments:
> Windows: The support CD (supplied with device) creates folder "Plustek
> OpticPro ST28 V4.0.0" in Start->Programs menu, i.e. it looks like this
> device is maybe some another variant of Plustek OpticPro ST28.
> (Hardware ID from Windows driver is USB\Vid_07b3&Pid_0802&Rev_0303)
>
>
> Data:
> sane-find-scanner -v -v:
>
> <device descriptor of 0x07b3/0x0802 at 001:003 (PLUSTEK USB2.0 SCANNER)>
> bLength 18
> bDescriptorType 1
> bcdUSB 2.00
> bDeviceClass 255
> bDeviceSubClass 255
> bDeviceProtocol 255
> bMaxPacketSize0 64
> idVendor 0x07B3
> idProduct 0x0802
> bcdDevice 3.03
> iManufacturer 1 (PLUSTEK)
> iProduct 5 (USB2.0 SCANNER)
> iSerialNumber 0 ()
> bNumConfigurations 1
> <configuration 0>
> bLength 9
> bDescriptorType 2
> wTotalLength 39
> bNumInterfaces 1
> bConfigurationValue 1
> iConfiguration 0 ()
> bmAttributes 192 (Self-powered)
> MaxPower 10 mA
> <interface 0>
> <altsetting 0>
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 0
> bNumEndpoints 3
> bInterfaceClass 255
> bInterfaceSubClass 255
> bInterfaceProtocol 255
> iInterface 0 ()
> <endpoint 0>
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x81 (in 0x01)
> bmAttributes 2 (bulk)
> wMaxPacketSize 512
> bInterval 0 ms
> bRefresh 0
> bSynchAddress 0
> <endpoint 1>
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x02 (out 0x02)
> bmAttributes 2 (bulk)
> wMaxPacketSize 512
> bInterval 0 ms
> bRefresh 0
> bSynchAddress 0
> <endpoint 2>
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x83 (in 0x03)
> bmAttributes 3 (interrupt)
> wMaxPacketSize 1
> bInterval 8 ms
> bRefresh 0
> bSynchAddress 0
>
> <trying to find out which USB chip is used>
> checking for GT-6801 ...
> this is not a GT-6801 (bcdUSB = 0x200)
> checking for GT-6816 ...
> this is not a GT-6816 (bDeviceClass = 255, bInterfaceClass = 255)
> checking for GT-8911 ...
> this is not a GT-8911 (check 1, bDeviceClass = 255, bInterfaceClass
> = 255)
> checking for MA-1017 ...
> this is not a MA-1017 (bDeviceClass = 255, bInterfaceClass = 255)
> checking for MA-1015 ...
> this is not a MA-1015 (bcdUSB = 0x200)
> checking for MA-1509 ...
> this is not a MA-1509 (bcdUSB = 0x200)
> checking for LM983[1,2,3] ...
> this is not a LM983x (bcdUSB = 0x200)
> checking for GL646 ...
> this is not a GL646 (bDeviceClass = 255, bInterfaceClass = 255)
> checking for GL646_HP ...
> this is not a GL646_HP (bcdUSB = 0x200)
> checking for GL660+GL646 ...
> this is not a GL660+GL646 (bDeviceClass = 255, bInterfaceClass =
> 255)
> checking for GL84x ...
> <This USB chip looks like a GL842 (result from sane-backends 1.0.21)>
>
> found USB scanner (vendor=0x07b3 [PLUSTEK], product=0x0802 [USB2.0
> SCANNER], chip=GL842) at libusb:001:003
>
>
> cat /proc/bus/usb/devices:
>
> T: Bus=01 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#= 3 Spd=480 MxCh= 0
> D: Ver= 2.00 Cls=ff(vend.) Sub=ff Prot=ff MxPS=64 #Cfgs= 1
> P: Vendor=07b3 ProdID=0802 Rev= 3.03
> S: Manufacturer=PLUSTEK
> S: Product=USB2.0 SCANNER
> C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 10mA
> I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
> E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=83(I) Atr=03(Int.) MxPS= 1 Ivl=16ms
>
>
>
Hello,
this is the same USB id than the Plustek Opticpro ST28. See
http://lists.alioth.debian.org/pipermail/sane-devel/2012-October/030390.html
for some details.
Regards,
Stef
