On 4/26/07, 方志 <[EMAIL PROTECTED]> wrote:
"Isochronous USB transfers are broken.This means that the USB
device will not be able to transfer SCO date (voice)." (from man 4
ng_utb) .
Do you means that these functions
"ubt_isoc_in_start"
"ubt_isoc_in_complete"
"ubt_isoc_in_complete2"
"ubt_isoc_out_start"
"ubt_isoc_out_complete"
"ubt_isoc_out_complete2"
in /usr/src/sys/netgraph/bluetooth/drivers/ubt/ng_ubt.c dosen't work
properly?
yes. when i initially wrote them, i had very little knowledge about
usb isoc. transfers. right now (i'd like to think) i have a better
understanding of usb isoc. transfers on freebsd and have some code
(locally) that seems to work.
I didn't know the official documents on bluetooth and headset
profile are available freely on www.bluetooth.com but not on
www.bluetooth.org .
i not sure what are you saying, but yes, bluetooth profile documents
available at
http://www.bluetooth.com/Bluetooth/Learn/Technology/Specifications/
and specifically headset
http://www.bluetooth.com/NR/rdonlyres/5C0DEE05-84CD-4D79-BD52-7ECA283430A0/981/HSP_SPEC_V11.pdf
thanks,
max
On 4/25/07, Maksim Yevmenkin <[EMAIL PROTECTED]> wrote:
> On 4/25/07, zhengzhi <[EMAIL PROTECTED]> wrote:
> > Hi.
> > I want to use my headset in FreeBSD now. I 've read some documents
> about
> > bluetooth , headset profile .Headset Control is the higher level layer of
> > SDP and RFCOMM ,and not complex.FreeBSD supports SDP and RFCOMM.
> > So What I have to do is implement the Headset Control layer and wrap it
> as
> > a audio device ?
>
> 1) sco support in ng_ubt(4) - some code exists but was not committed
>
> 2) sco sockets support - some code exists but was not committed
>
> 3) figure out a clean and good way to plug bluetooth sco into audio
> subsystem
>
> 4) actually implement headset profile
>
> item 1 to 3 are definitely kernel work. implementation of item 4
> largely depends on implementation of item 3 and may or may not be in
> userspace.
>
> thanks,
> max
>
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