2004-11-16 14:30:45

by Luis Peiro

[permalink] [raw]
Subject: [Bluez-devel] Re: Re: Bluetooth enabled products codes

so, what I didn't understant was that those four hexadecimal numbers in the
table represent the whole feature mask of the specific device. I was looking
to the 1.2 BT specification and new extended (AFH) features make necessary
more bytes to mask the features
Thanks, Marcel.

"Marcel Holtmann" <[email protected]> escribi? en el mensaje
news:1100610864.7235.1.camel@notepaq...
> Hi,
>
> > I appreciate very much your quick answer.
> > There are a list of feature definitions in the link manager
specification
> > and it is also specified wich bit is notifying the presence of a given
> > feature in terms of the position of this bit relative to the feature
mask.
> > The supported features are also numbered from 0 to 63 i.e. ox0 to ox3F
(
> > though not all numbers defined), but anyway it's hard for me to perceive
> > which is the relationship between these numbers/mask and the hexadecimal
> > codes aforesaid
>
> use the API call lmp_featurestostr() to decode them.
>
> Regards
>
> Marcel
>
>
>
>
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2004-11-16 14:51:35

by Marcel Holtmann

[permalink] [raw]
Subject: Re: [Bluez-devel] Re: Re: Bluetooth enabled products codes

Hi,

> so, what I didn't understant was that those four hexadecimal numbers in the
> table represent the whole feature mask of the specific device. I was looking
> to the 1.2 BT specification and new extended (AFH) features make necessary
> more bytes to mask the features

for Bluetooth 1.1 only the first three bytes are used. Starting with 1.2
the full 8 byte range is used and it can also be extended.

Regards

Marcel




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