On Tuesday, 1. May 2001 14:14, EdHamrick@aol.com wrote:
> I just got an HP 7400C (2400 dpi flatbed) and traced the commands
> that it uses. It appears that the scanner is built by Avision, and that
> the commands are almost identical to those used by the HP 5300C
> and Minolta Scan Dual.
>
> The 7400C VID is 0x03f0 and the PID is 0x0801.
Noted and shall be added.
Do you know the Scan Dual ids ?
> The SCSI Inquiry string is in lower case, and is:
>
> "hp scanjet 7400c "
>
> It uses the same scsi-over-usb encapsulation that the
> Minolta Scan Dual and HP 5300C use. It isn't possible
> to talk to the scanner using scanner.c, since it needs to
> be able to read a bulk endpoint, write a bulk endpoint
> and read an interrupt endpoint. It would sure be nice
You might get it to work with the hp5300 driver in the ac kernels.
> if someone could finish the kernel scsi->usb driver
> for Avision scanners. It would also be nice if this
I now have an HP 5300 and will start working on it at the coming weekend.
Are you willing to test patches ?
> scsi->usb driver worked with SCL HP scanners,
> Epson scanners, and Acer scanners. I have all the
afaik these don't use scsi over usb.
Thus, no way.
> technical information needed to do this, and if someone
> is willing to finish the driver I'd be happy to give them
> the technical information I have on this.
Yes please send me it.
From the kernel side at least 3 kernel drivers for USB scanners are there to
stay and probably a fourth will be added.
In the kernel there is no way to let those which use SCSI and those that do
use the same driver.
Regards
Oliver
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