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Subject: Re: [Bluez-devel] hcitool cc timeout - change able ?
From: Marcel Holtmann <marcel@holtmann.org>
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Date: Wed, 25 May 2005 16:31:09 +0200

Hi Phil,

> > > could some one please tell me if there is a way to reduce the timeout time
> > > ? e.g. to 2 ?
> > >
> > > I would like to do this, because I like to find out what the link
> > > quality and rssi of a device is. As
> > > my bluetooth hardware only supports 1.1 and not 1.2 I have to connect to
> > > the device first in order to find out the above information. As my list of
> > > BT devices I would like to find the above info out about is constantly
> > > growing I have a problem with the hcitool cc timeout, as I do:
> > >
> > > hcitool cc BT-address
> > > hcitool lq BT-address
> > > hcitool dc BT-address
> > >
> > > If the device is in range the three commands are very quick, but if the
> > > device is not in range the connect command takes a long time till it times
> > > out.
> > > So my question is, is there a way to reduce the timeout time ? e.g. to 2
> > > sec. ?
> >
> > you are looking for the page timeout. Look at the manual page of
> > hciconfig.
> 
> 
> I did look at the manual page, but all I found was:
> 
> lst <bdaddr> [value]
>               With no value, displays link supervision timeout for the
> 	      connection to the device with Bluetooth address bdaddr.  If  value
>               is given,  sets the link supervision timeout for that
>               connection to value slots, or to infinite if value is 0.
> 
> But this only sets the timeout for conncetions which are already
> established. I would like to change the timeout for trying to establish a
> conncetion, e.g. if the device can't be found within 2 sec. stop trying.

you may wanna read my response again. When I say page timeout then I
mean page timeout and not link supervision timeout. I also said that you
should look at the manual page of hciconfig and not hcitool. This means
that the command will be "hciconfig hci0 pageto <slots>".

Regards

Marcel




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