[Interest] Android low latency BLE scanning

ekke ekke at ekkes-corner.org
Thu May 11 11:58:15 CEST 2017


AFAIK changing LE Timeout only reduces or enhances the amount of time
while Qt tries to discover devices nearby
in my apps I normaly 'know' the device I'm searching and so I check each
discovered device and if it's the one I was looking for, I cancel
discovery to speed things up

Am 11.05.17 um 11:44 schrieb Denis Shienkov:
> QBluetoothDeviceDiscoveryAgent::setLowEnergyDiscoveryTimeout(intmsTimeout)
> ?
>
> 2017-05-11 12:06 GMT+03:00 <dusek.martin at email.cz
> <mailto:dusek.martin at email.cz>>:
>
>     Hi,
>     Android supports several scan modes when scanning for BLE devices:
>     https://developer.android.com/reference/android/bluetooth/le/ScanSettings.html
>     <https://developer.android.com/reference/android/bluetooth/le/ScanSettings.html>
>
>     It seems that Qt uses balanced scan mode as device discovery takes
>     some time.I want to use SCAN_MODE_LOW_LATENCY in my Qt Android app
>     - I need fast BLE device discovery.
>
>     Is setting scan mode possible in Qt Android?
>
>     Best regards
>
>     Martin
>
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