Re: Weird SDP query behavior
Re: Weird SDP query behavior
- Subject: Re: Weird SDP query behavior
- From: Zach Rosen <email@hidden>
- Date: Sun, 9 Sep 2007 12:20:30 -0700
Bluetooth on OS X can be a bit of a black-box operation. It's hard
to know whether a bug/limitation like this is with the Bluetooth API,
the OS X Bluetooth driver, or the Bluetooth hardware. Many Bluetooth
methods seem to need exclusive access; I've noticed that starting a
name inquiry will cause the Bluetooth Setup Assistant to fail with an
Unknown Error when it is searching for discoverable devices. I would
suggest filing your issue as a bug/feature request. It's the only
way to get it noticed.
Also, async calls are useful if your app wants to do other things in
the main thread while waiting for a Bluetooth method to complete. It
does not imply that you can call all of these methods at once.
--------------------------------------------------
Zach Rosen
--------------------------------------------------
On Sep 6, 2007, at 2:02 PM, email@hidden wrote:
Hi,
I've made an application that does BT device discovery and sends an
SDP query
when the new device is found. Trouble is when I call
IOBluetoothDevicePerformSDPQuery (using callback function)
discovery stops -
the registered InquiryComplete callback is called immediately with
error=0 and
aborted=false. Is this a bug? Can't I do the inquiry and SDP query
with one
local device at the same time? I see little use of async calls for
inquiry and
query then.
Regards,
Boris
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