active scanning in BLE under iOS
active scanning in BLE under iOS
- Subject: active scanning in BLE under iOS
- From: Bob Frankel <email@hidden>
- Date: Mon, 13 Feb 2012 07:49:48 -0800
hi,
it mentions in the BluetoothDesignGuidelines that active
scanning is not always performed.... can you elaborate just
when this is the case....
as a use-case, suppose i have a thermostat this is adverstising
the current temperature.... if i have an app running in the
background that is scanning for a particular service presumably
implemented by the thermostat, will i be receiving the data in
the adverstising PDU or in the SCAN_RSP PDU (or both)???
related to this, just when will i receive a callback to my
delegate -- everytime the peripheral device broadcasts, or only
when the information in the advertising/SCAN_RSP PDUs actually
change???
finally, just how much data can i pack into the
adversting/SCAN_RSP PDUs???
thanks,
bob.
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