Re: [Bluez-users] Once again: Socket CF card and Kernel 2.6

[Marcel Holtmann <marcel@holtmann.org>]

Hi Mathias,

> > I only have the old Socket cards (dtl1_cs driver) at hand and so I can't
> > test it, but my Xircom card is still not working.
> 
> Is that Xircom card similar to the newer Socket cards? i.e. does it have
> a 16C95x UART? If yes you could try this patch which I used while
> investigating the problem, it includes some debug messages which might
> help.

I get these extra log messages with your patch and the Xircom card:

ttyS2: autoconf (0x03e8, 0x00000000): iir=3 iir1=6 iir2=6 Xscale type=XScale
ttyS2 at I/O 0x3e8 (irq = 20) is a XScale
***** Serial: baud=9600 quot=12
***** Serial: baud=9600 quot=12
***** Serial: baud=9600 quot=12
***** Serial: baud=9600 quot=12
***** Serial: baud=9600 quot=12
***** Serial: baud=9600 quot=12
***** Serial: baud=9600 quot=12
***** Serial: baud=115200 quot=1

Don't ask why the type is now Xscale. It seems it is Xscale for every
serial port in my system and it is a normal P4 system.

> > For the Socket card the baud rate is 230400 and yes, this is to slow for
> > the full bandwith of a piconet. However I never did any bandwith test
> > with this card, but actually there are cards out there where the UART
> > limits the total possible bandwidth.
> 
> Huh - but at least it's still a lot faster than a GPRS connection so it's
> okay for me...

If you have another system with an USB Bluetooth dongle, you can simply
check what's the max piconet bandwidth. Use a PAN connection or test it
with the l2test or rctest program.

Regards

Marcel




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