Re: usb2 iscochronous transfer

2006-03-22 Thread Hans Petter Selasky
On Thursday 23 March 2006 01:55, Peter B wrote: > >> >Maybe you want to try out the new USB API when designing the driver. > >> > Don't forget that high-speed isoc have 8 frames per millisecond! > > http://en.wikipedia.org/wiki/USB > "In addition to this some operating systems take a conservative

Re: usb2 iscochronous transfer

2006-03-22 Thread Peter B
>> >Maybe you want to try out the new USB API when designing the driver. Don't >> >forget that high-speed isoc have 8 frames per millisecond! http://en.wikipedia.org/wiki/USB "In addition to this some operating systems take a conservative approach to scheduling transactions and limit the num

Re: usb2 iscochronous transfer

2006-02-24 Thread Hans Petter Selasky
On Friday 24 February 2006 17:25, Peter B wrote: > Hans Petter Selasky wrote: > >On Thursday 23 February 2006 17:41, Peter B wrote: > >> Is there any work at all on usb2 isochronous transfer functionality? > > > >It's already implemented! > > > >> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/u

Re: usb2 iscochronous transfer

2006-02-24 Thread Peter B
Hans Petter Selasky wrote: > >On Thursday 23 February 2006 17:41, Peter B wrote: >> Is there any work at all on usb2 isochronous transfer functionality? > >It's already implemented! > >> >> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/usb/ehci.c?rev=1.14.2.10&; >>content-type=text/x-cvsweb-mar

Re: usb2 iscochronous transfer

2006-02-24 Thread Hans Petter Selasky
On Thursday 23 February 2006 17:41, Peter B wrote: > Is there any work at all on usb2 isochronous transfer functionality? It's already implemented! > > http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/usb/ehci.c?rev=1.14.2.10&; >content-type=text/x-cvsweb-markup > > * 1) The EHCI driver lacks s

usb2 iscochronous transfer

2006-02-24 Thread Peter B
Is there any work at all on usb2 isochronous transfer functionality? http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/usb/ehci.c?rev=1.14.2.10&content-type=text/x-cvsweb-markup * 1) The EHCI driver lacks support for isochronous transfers, so *devices using them don't work. Any hints on w