Re: Access iOS GATT Services over BR/EDR
Re: Access iOS GATT Services over BR/EDR
- Subject: Re: Access iOS GATT Services over BR/EDR
- From: Duy Phan via Bluetooth-dev <email@hidden>
- Date: Thu, 04 May 2023 13:48:43 -0700
Hi Matthias,
It’s our intention for developers to have same access to GATT services over
BDR/EDR.
Could you help file a feedback report and sysdiagnose (with logging profile) so
we can understand how you’re using the APIs?
Thank you!
Duy
> On Apr 11, 2023, at 7:22 AM, Matthias Ringwald via Bluetooth-dev
> <email@hidden> wrote:
>
> Hi there
>
> Is it possible to access iOS GATT Services, e.g. the Battery Service, via
> GATT over an existing BR/EDR Connection?
>
> As current iOS and macOS announce GATT over BR/EDR via an SDP record, I've
> tried to connect to it via the announced PSM 0x1f, but I get an L2CAP
> Connection refused – no resources available' (0x04)'.
> I've tried both as Central without other profiles being connected, as well as
> Peripheral, after iOS connected to our HFP HF profile?
>
> Why? A customer of our stack wants to build some kind of HFP HF device and
> has asked us if they can get a better battery status than the 5 levels from
> HFP.
> As iOS provides it's battery level, it's possible to create an additional LE
> connection to read the battery status, but it's would be way more elegant,
> and requires less logic, to access the battery service via
> the existing BR/EDR connection.
>
> Thanks
> Matthias
>
> —
> Dr. sc. Matthias Ringwald
> CTO and Co-founder of BlueKitchen GmbH, Zurich
> https://bluekitchen-gmbh.com <https://bluekitchen-gmbh.com/>
>
>
>
>
>
>
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