From mboxrd@z Thu Jan  1 00:00:00 1970
From: <derek.philip@tesco.net>
Date: Mon, 08 Nov 2004 15:44:22 +0000
Subject: Re: udev and bluetooth devices
Message-Id: <20041108154422.EUWV25413.dircache05-winn.mailhost.ntl.com@localhost>
List-Id: <linux-hotplug.vger.kernel.org>
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To: linux-hotplug@vger.kernel.org

Hi Marcel 
 
Thanks for your reply. 
 
I would just like to make my situation a little clearer. 
 
My reason for creating a persistent link is that I have at 
least 8 USB Bluetooth dongles under test. the scripts I 
use may restart them in a random order and I run the 
chance of reconnecting to the wrong deive if I use say 
hci0.  
 
I'm not sure what you mean by use the BD_ADDR! 
 
I currently use CSrs btcli hci tool for communicating to 
the device. 
 
I read in one of the udev howtos that it is possible to 
rename the Ethernet interfaces, eth0, with a rule in udev.  
 
Is it possible to do the same with hci0, Bluetooth 
interfaces. 
 
Thanks 
 
Derek  
 
 
>  
> Hi Derek, 
>  
> > I was trying to write a rule to provide a persistent 
naming for multiple  
> > USB Bluetoot dongles. I need this for testing 
purposes, as the devices  
> > may be restarted at random times and I need to ensure 
I'm speaking to  
> > the same device. 
> >  
> > My attempts so far have failed! 
> >  
> > I have the following output from udevinfo -a 
-p /sys/class/bluetooth/hci0 
> >  
> >   looking at the device chain at  
> > '/sys/devices/pci0000:00/0000:00:1d.2/usb2/2-1': 
> >      BUS="usb" 
> >      ID="2-1" 
> >      SYSFS{bConfigurationValue}="1" 
> >      SYSFS{bDeviceClass}="e0" 
> >      SYSFS{bDeviceProtocol}="01" 
> >      SYSFS{bDeviceSubClass}="01" 
> >      SYSFS{bMaxPower}="200mA" 
> >      SYSFS{bNumConfigurations}="1" 
> >      SYSFS{bNumInterfaces}=" 3" 
> >      SYSFS{bcdDevice}="1393" 
> >      SYSFS{bmAttributes}="80" 
> >      SYSFS{detach_state}="0" 
> >      SYSFS{devnum}="4" 
> >      SYSFS{idProduct}="0001" 
> >      SYSFS{idVendor}="0a12" 
> >      SYSFS{manufacturer}="Cambridge Silicon Radio" 
> >      SYSFS{maxchild}="0" 
> >      SYSFS{product}="CSR NanoSira" 
> >      SYSFS{serial}="012C5A-5B-0002" 
> >      SYSFS{speed}="12" 
> >      SYSFS{version}=" 2.00" 
> >  
> >  
> > I was thinking that my rule would be 
> >  
> > BUS="usb", SYSFS{serial}="012C5A-5B-0002", name=%k 
SYMLINK="Nano%n" 
> >  
> > This has no affect! 
>  
> Bluetooth devices don't use any device nodes. You can 
identify them by 
> their BD_ADDR. 
>  
> Regards 
>  
> Marcel 
>  
>  
>  
>  
>  
> --__--__-- 
>  
> _______________________________________________ 
> Linux-hotplug-devel mailing list 
> Linux-hotplug-devel@lists.sourceforge.net 
> 
https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel 
>  
>  
> End of Linux-hotplug-devel Digest 
>  




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