Re: [Bluez-users] Sharing devices with dual-booted Windows

[Rob Sims <bluez-z@robsims.com>]

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On Thu, Nov 29, 2007 at 09:15:23PM +0100, Marcel Holtmann wrote:
> > fwiw, the only thing I could find would work only for csr chips using
> > bccmd from bluez-utils/tools (configure --enable-bccmd). Get the
> > bdaddr to see how the bytes are swapped around:

> > bccmd psget bdaddr

> > then set and reset the adapter (sometimes these commands take two  
> > goes to take)

> > bccmd psset -r bdaddr 0x2000 0xaf9b 0xf400 0x0800

> > I could give this a whack tonight.
 
> using the bdaddr command is much simpler. It does the magic of  
> bringing the address into the right format.
 
> > fyi, bccmd can brick the adapter (eg if you use "-s" to make bad
> > settings permanent). It would be nice if someone who fiddles with csr
> > stuff can verify this approach.

> Take this warning serious. You can really brick your dongle.

It appears from the behavior described above and a sample CSR datasheet
that PS is "Persistent Store."  This means that not only would I have to
run this each time starting Linux, I'd have to restore the original
bdaddr in Linux before booting to Windows.

Also, this is a built-in adapter in a Thinkpad; it's significantly more
expensive than a dongle to fix, even if it might be a CSR core.  

Thanks for settling this - there is no way to soft-set (change
disappears on reset) the bdaddr of existing bluetooth adapters.
-- 
Rob

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