[sane-devel] Backend for plustek Opticbook 3600

[stef]

Le jeudi 28 janvier 2010 02:15:01 Chris Berry, vous avez écrit :
> Hey stef, i'm really struggling to work out what all these frontend
> writes are for. Below is a grep of the frontends from a scan, I have
> done several scans and they all roughly follow this format. I'm not sure
> why the offset (regs 05 - 07) have values 0x80 and 0xff and the values
> for both offset and gain (0x02 - 0x04) have some values that change per
> scan? Any light you could shed on this would be great,
> 
> Cheers
> 
> Chris
> 
> 
> genesys_fe_write_data(0x00    0x00f8)
> genesys_fe_write_data(0x01    0x0080)
> genesys_fe_write_data(0x02    0x0000)  AFEINIT
> genesys_fe_write_data(0x03    0x0000)
> genesys_fe_write_data(0x04    0x0000)
> genesys_fe_write_data(0x05    0x0000)
> genesys_fe_write_data(0x06    0x0000)
> genesys_fe_write_data(0x07    0x0000)
> 
> genesys_fe_write_data(0x02    0x0000)
> genesys_fe_write_data(0x03    0x0000)
> genesys_fe_write_data(0x04    0x0000) AFESET?
> genesys_fe_write_data(0x05    0x0080)
> genesys_fe_write_data(0x06    0x0080)
> genesys_fe_write_data(0x07    0x0080)
> 
> genesys_fe_write_data(0x05    0x00ff)
> genesys_fe_write_data(0x06    0x00ff) ??
> genesys_fe_write_data(0x07    0x00ff)
> 
> genesys_fe_write_data(0x05    0x0127) \
> genesys_fe_write_data(0x06    0x0126)  These values seem to change
> slightly per scan
> genesys_fe_write_data(0x07    0x011b) /
> 
> genesys_fe_write_data(0x02    0x0000)
> genesys_fe_write_data(0x03    0x0000)
> genesys_fe_write_data(0x04    0x0000)
> 
> genesys_fe_write_data(0x02    0x002d)
> genesys_fe_write_data(0x03    0x0019)
> genesys_fe_write_data(0x04    0x001e) - This value also varies slightly
> 
> genesys_fe_write_data(0x05    0x0080)
> genesys_fe_write_data(0x06    0x0080)
> genesys_fe_write_data(0x07    0x0080)
> 
> genesys_fe_write_data(0x05    0x00ff)
> genesys_fe_write_data(0x06    0x00ff)
> genesys_fe_write_data(0x07    0x00ff)
> 
> genesys_fe_write_data(0x05    0x0121) \
> genesys_fe_write_data(0x06    0x0124)   These values all seem to vary
> slightly
> genesys_fe_write_data(0x07    0x0117) /
> 
> genesys_fe_write_data(0x05    0x011a) \
> genesys_fe_write_data(0x06    0x0118)  These values all seem to vary
> slightly
> genesys_fe_write_data(0x07    0x010d) /
> 
> genesys_fe_write_data(0x05    0x0109) \
> genesys_fe_write_data(0x06    0x0004)  These values all seem to vary
> slightly
> genesys_fe_write_data(0x07    0x000c) /
> 
	Hello,

	I am quite puzzled. This doesn't look like the Wolfson AFE I know. Have you a 
chance to look into the scanner what is the part number for it ? It would 
definitely help us. I also don't remember
	
Regards,
	Stef