[Bluez-users] Re: Limitation of emulator ?

[Varat Chaikasetsin <varat_c@hotmail.com>]

Hi Marcel

> Hi Varat,
> >    I'm doing  my final year project about routing in Scatternet.I need to 
have 
> > lots of BT devices for this project so I decided to use "hciemu" to 
simulate 
> > many BT devices instead of using the real ones.
> >    Everthing seems to be allright with that emulator but now I'm facing a 
big 
> > problem. I can't simulate BT device more than 15 devices (hci0 - hci15).I  
> > use "hciemu localhost:xx" command to simulated all devices. 
> >    Moreover, when I've simulated 15 devices then pluged the USB device 
in ,I 
> > can't see or use that USB device by using "hciconfig" command.
> >     What am I doing wrong? what should I do ? or it's a limitation of the 
> > emulator ?
> 
> the kernel side has no limit of attached devices, but the userspace
> tools like hciconfig etc. are limited to maximal 16 devices.
> 
> Regards
> 
> Marcel 

     I've tried to change the HCI_MAX_DEV parameter in " bluez-libs-
2.4/include/hci.h " before reinstalling it as your suggestion.After that, I 
intalled these utilities

bluez-utils-2.3
bluez-pan-1.1
bluez-sdp-1.5
bluez-bluefw-1.0
bluez-hcidump-1.5
bluez-hciemu-1.0  

     first time that I changed it's max number to 8 it worked. I can simulate 
only 8 device but later, when I try to change it to other value and reintall 
all of libraries and uitilities the way I did before ,it doesn't work !.
     What am I doing wrong ? or Do I have to install libraries and utilities in 
order ?
 
Regards,
Varat  






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