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Commit df4a0594 authored by Prerepa Viswanadham's avatar Prerepa Viswanadham
Browse files

Set scan parameters in ScanClient based on BluetoothLeScanSettings 

configuration

scan_mode              scan_window_ms    scan_interval_ms
SCAN_MODE_LOW_POWER    500               5000
SCAN_MODE_BALANCED     1000              5000
SCAN_MODE_LOW_LATENCY  2500              5000

Change-Id: I2382c7b584b102555f175a94206c4379141af3fa
parent 0d7a5d60

android/app/src/com/android/bluetooth/gatt/ScanClient.java

+30 −0
Original line number Diff line number Diff line
@@ -39,6 +39,16 @@ import java.util.UUID; 
     */

    private static final int LE_SCAN_INTERVAL_MS = 100;



    /**

     * Scan params corresponding to scan setting

     */

    private static final int SCAN_MODE_LOW_POWER_WINDOW_MS = 500;

    private static final int SCAN_MODE_LOW_POWER_INTERVAL_MS = 5000;

    private static final int SCAN_MODE_BALANCED_WINDOW_MS = 1000;

    private static final int SCAN_MODE_BALANCED_INTERVAL_MS = 5000;

    private static final int SCAN_MODE_LOW_LATENCY_WINDOW_MS = 2500;

    private static final int SCAN_MODE_LOW_LATENCY_INTERVAL_MS = 5000;



    int appIf;

    boolean isServer;

    UUID[] uuids;
@@ -73,5 +83,25 @@ import java.util.UUID; 
        this.scanInterval = scanInterval;

        this.settings = settings;

        this.filters = filters;

        if (settings != null) {

            switch (settings.getScanMode()) {

                case BluetoothLeScanSettings.SCAN_MODE_LOW_POWER:

                    this.scanWindow = SCAN_MODE_LOW_POWER_WINDOW_MS;

                    this.scanInterval = SCAN_MODE_LOW_POWER_INTERVAL_MS;

                    break;

                case BluetoothLeScanSettings.SCAN_MODE_BALANCED:

                    this.scanWindow = SCAN_MODE_BALANCED_WINDOW_MS;

                    this.scanInterval = SCAN_MODE_BALANCED_INTERVAL_MS;

                    break;

                case BluetoothLeScanSettings.SCAN_MODE_LOW_LATENCY:

                    this.scanWindow = SCAN_MODE_LOW_LATENCY_WINDOW_MS;

                    this.scanInterval = SCAN_MODE_LOW_LATENCY_INTERVAL_MS;

                    break;

                default:

                    this.scanWindow = SCAN_MODE_BALANCED_WINDOW_MS;

                    this.scanInterval = SCAN_MODE_BALANCED_INTERVAL_MS;

                    break;

            }

        }

    }

}