[sane-devel] Any ides for an Avision A8 Scanner?

[daniel at pixelgrease.co]

Hello all,

Been trying to get a scanner with an avision scanner to work. The
scanner name is "WorldCard Pro (Win/Mac)"
http://www.penpowerinc.com/product.asp?sn=407

It's not listed as supported, but thought I might get lucky. My thinking
was that if it's supported by Mac, it should work with linux. Tried
specifying all sorts of values in /etc/sane.d/avision.conf but nothing
seemed to work. 

Is there a way to add support to the existing avision backend? 

Thanks for  your help! 

Daniel 

Chip inside scanner

NOVATEK
NT96226BG
1905-DS
PR5H51

SUDO SANE-FIND-SCANNER -V -V 
... 

> device descriptor of 0x0638/0x0707 at 004:003 (PenPower A8 Scanner                )> 
> 
> bLength               18 
> 
> bDescriptorType       1 
> 
> bcdUSB                2.00 
> 
> bDeviceClass          0 
> 
> bDeviceSubClass       0 
> 
> bDeviceProtocol       0 
> 
> bMaxPacketSize0       64 
> 
> idVendor              0x0638 
> 
> idProduct             0x0707 
> 
> bcdDevice             1.00 
> 
> iManufacturer         1 (PenPower) 
> 
> iProduct              2 (A8 Scanner                ) 
> 
> iSerialNumber         3 (0858C00G19070068) 
> 
> bNumConfigurations    1 
> 
> <configuration 0> 
> 
> bLength              9 
> 
> bDescriptorType      2 
> 
> wTotalLength         32 
> 
> bNumInterfaces       1 
> 
> bConfigurationValue  1 
> 
> iConfiguration       0 () 
> 
> bmAttributes         128 () 
> 
> MaxPower             250 mA 
> 
> <interface 0> 
> 
> <altsetting 0> 
> 
> bLength            9 
> 
> bDescriptorType    4 
> 
> bInterfaceNumber   0 
> 
> bAlternateSetting  0 
> 
> bNumEndpoints      2 
> 
> bInterfaceClass    6 
> 
> 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 
> 
> ...
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