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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.bluetooth.le;
import android.os.Parcel;
import android.os.Parcelable;
/**
* The {@link PeriodicAdvertisingParameters} provide a way to adjust periodic
* advertising preferences for each Bluetooth LE advertising set. Use {@link
* AdvertisingSetParameters.Builder} to create an instance of this class.
*/
public final class PeriodicAdvertisingParameters implements Parcelable {
private static final int INTERVAL_MIN = 80;
private static final int INTERVAL_MAX = 65519;
private final boolean includeTxPower;
private final int interval;
private PeriodicAdvertisingParameters(boolean includeTxPower, int interval) {
this.includeTxPower = includeTxPower;
this.interval = interval;
}
private PeriodicAdvertisingParameters(Parcel in) {
includeTxPower = in.readInt() != 0 ? true : false;
interval = in.readInt();
}
/**
* Returns whether the TX Power will be included.
*/
public boolean getIncludeTxPower() { return includeTxPower; }
/**
* Returns the periodic advertising interval, in 1.25ms unit.
* Valid values are from 80 (100ms) to 65519 (81.89875s).
*/
public int getInterval() { return interval; }
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(includeTxPower ? 1 : 0);
dest.writeInt(interval);
}
public static final Parcelable
.Creator<PeriodicAdvertisingParameters> CREATOR =
new Creator<PeriodicAdvertisingParameters>() {
@Override
public PeriodicAdvertisingParameters[] newArray(int size) {
return new PeriodicAdvertisingParameters[size];
}
@Override
public PeriodicAdvertisingParameters createFromParcel(Parcel in) {
return new PeriodicAdvertisingParameters(in);
}
};
public static final class Builder {
private boolean includeTxPower = false;
private int interval = INTERVAL_MAX;
/**
* Whether the transmission power level should be included in the periodic
* packet.
*/
public Builder setIncludeTxPower(boolean includeTxPower) {
this.includeTxPower = includeTxPower;
return this;
}
/**
* Set advertising interval for periodic advertising, in 1.25ms unit.
* Valid values are from 80 (100ms) to 65519 (81.89875s).
* Value from range [interval, interval+20ms] will be picked as the actual value.
* @throws IllegalArgumentException If the interval is invalid.
*/
public Builder setInterval(int interval) {
if (interval < INTERVAL_MIN || interval > INTERVAL_MAX) {
throw new IllegalArgumentException("Invalid interval (must be " + INTERVAL_MIN +
"-" + INTERVAL_MAX + ")");
}
this.interval = interval;
return this;
}
/**
* Build the {@link AdvertisingSetParameters} object.
*/
public PeriodicAdvertisingParameters build() {
return new PeriodicAdvertisingParameters(includeTxPower, interval);
}
}
}
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