[Nut-upsdev] support for newer mustek powermust model 06da:0003

Kjell Claesson kjell.claesson at epost.tidanet.se
Mon Nov 26 21:25:11 UTC 2007

Den Monday 26 November 2007 19.15.10 skrev Arjen de Korte:
> Timo Lindfors wrote:
> >> Yes. It's a while back, but we have reports that it works without
> >> splitting everything in 8-byte chunks.
> >
> > Interesting. lsusb -vvv at least specifies
> >
> > wMaxPacketSize     0x0008  1x 8 bytes
> >
> > for both devices. If you do 256-byte read then should libusb or kernel
> > split it into 8-byte packets?
> That's how it is supposed to work.

Don't count on that. Phoenixtec have done the interface for the
old powerware equiped with usb , like 3110 5115 and 9120.

And they all suffer of some kind of incompatibility.
So a usb dump from the windows driver could help to
see if it do anything out of the ordinary.


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