[sane-devel] Noob with multiple imaging devices

[m. allan noah]

xsane should present you with a dialog to choose scanner if it
discovers multiple. It is possible that the v30 is not working at all?
What is the output of scanimage -L

allan

On Wed, Dec 23, 2009 at 9:37 PM, Dan Morton <morton at rad.upenn.edu> wrote:
> I've got a PCI ATI All-in-Wonder video digitizer card, and a new Epson V30
> scanner.  lspci -vv says this about the ATI:
>
> 11:00.0 Multimedia video controller: Brooktree Corporation Bt878 Video
> Capture (rev 02)
> Subsystem: ATI Technologies Inc Device 0003
> Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
> Stepping- SERR+ FastB2B- DisINTx-
> Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
> <MAbort- >SERR- <PERR- INTx-
> Latency: 132 (4000ns min, 10000ns max)
> Interrupt: pin A routed to IRQ 20
> Region 0: Memory at fc800000 (32-bit, prefetchable) [size=4K]
> Kernel driver in use: bttv
> Kernel modules: bttv
>
> When I launch XSane, it scans for devices, and preferentially chooses the
> All-in-Wonder.  Upon exit, it creates a drc file with this name:
>
> Noname:BT878video(ATITV-WonderVE).drc
>
> Here are the contents:
>
> "XSANE_DEVICE_RC"
> "Noname:BT878 video (ATI TV-Wonder VE)"
> "xsane-version"
> "0.996"
> "mode"
> "Gray"
> "channel"
> "Television"
> "brightness"
> 128
> [snip]
>
> I presume I want to create another drc file I can choose (Preferences ->
> load device settings) that describes the V30 -- but, what should the
> contents be?  The contents of the ATI drc bears little semblance to the
> information in the lspci output.  What is it in the drc that XSane uses to
> choose the device?
>
> For completeness, I follow with the lsusb -vv for the V30.
>
> adTHANKSvance,
> Dan
>
> Bus 001 Device 002: ID 04b8:0131 Seiko Epson Corp.
> Device Descriptor:
>   bLength                18
>   bDescriptorType         1
>   bcdUSB               2.00
>   bDeviceClass          255 Vendor Specific Class
>   bDeviceSubClass       255 Vendor Specific Subclass
>   bDeviceProtocol       255 Vendor Specific Protocol
>   bMaxPacketSize0        64
>   idVendor           0x04b8 Seiko Epson Corp.
>   idProduct          0x0131
>   bcdDevice            1.00
>   iManufacturer           1 EPSON
>   iProduct                2 EPSON Scanner
>   iSerial                 0
>   bNumConfigurations      1
>   Configuration Descriptor:
>     bLength                 9
>     bDescriptorType         2
>     wTotalLength           32
>     bNumInterfaces          1
>     bConfigurationValue     1
>     iConfiguration          0
>     bmAttributes         0xc0
>       Self Powered
>     MaxPower                2mA
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        0
>       bAlternateSetting       0
>       bNumEndpoints           2
>       bInterfaceClass       255 Vendor Specific Class
>       bInterfaceSubClass    255 Vendor Specific Subclass
>       bInterfaceProtocol    255 Vendor Specific Protocol
>       iInterface              0
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x81  EP 1 IN
>         bmAttributes            2
>           Transfer Type            Bulk
>           Synch Type               None
>           Usage Type               Data
>         wMaxPacketSize     0x0200  1x 512 bytes
>         bInterval             255
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x02  EP 2 OUT
>         bmAttributes            2
>           Transfer Type            Bulk
>           Synch Type               None
>           Usage Type               Data
>         wMaxPacketSize     0x0200  1x 512 bytes
>         bInterval             255
> Device Qualifier (for other device speed):
>   bLength                10
>   bDescriptorType         6
>   bcdUSB               2.00
>   bDeviceClass          255 Vendor Specific Class
>   bDeviceSubClass       255 Vendor Specific Subclass
>   bDeviceProtocol       255 Vendor Specific Protocol
>   bMaxPacketSize0        64
>   bNumConfigurations      1
> Device Status:     0x0001
>   Self Powered
>
>
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