Caching of Inquiry results?
Caching of Inquiry results?
- Subject: Caching of Inquiry results?
- From: Matthias Ringwald <email@hidden>
- Date: Wed, 14 Feb 2007 10:33:43 +0100
Hi
we're using the COD of our embedded bluetooth network nodes
(www.btnode.ethz.ch)
as a way to identify nodes on which a particular application is running.
This leads to a problem on Mac OS X as it looks like (at least) the
COD is cached.
Its not clear to me, why this is done, but playing with the Bluetooth
Inquiry Example
shows that the COD of my device does not change although I change it
in parallel.
Also, the COD of a discovered device is included in the HCI Inquiry
Results, so this value
could directly be used, if a device is reported.
I've read in the BT docs, that the amount of Inquiries are throttled.
What are the
parameters for that ? Once every 10 seconds, every minute, every hour?
I tried to call clearFoundDevices on the IOBluetoothDeviceInquiry
object, but no change.
Ok. Is there a way to "force" the bluetooth framework to use the real
discovered
CODs or to discard its cache?
Thanks,
Matthias Ringwald
ETH Zurich
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