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/*
* Copyright (c) 2014, 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.net.wifi;
import android.os.Parcel;
import android.os.Parcelable;
/**
* Wifi Channel
*
* @see ScanSettings
*
* @hide
*/
public class WifiChannel implements Parcelable {
private static final int MIN_FREQ_MHZ = 2412;
private static final int MAX_FREQ_MHZ = 5825;
private static final int MIN_CHANNEL_NUM = 1;
private static final int MAX_CHANNEL_NUM = 196;
/** frequency */
public int freqMHz;
/** channel number */
public int channelNum;
/** is it a DFS channel? */
public boolean isDFS;
/** is IBSS allowed? */
public boolean ibssAllowed;
/** public constructor */
public WifiChannel() { }
/** check for validity */
public boolean isValid() {
if (freqMHz < MIN_FREQ_MHZ || freqMHz > MAX_FREQ_MHZ) return false;
if (channelNum < MIN_CHANNEL_NUM || channelNum > MAX_CHANNEL_NUM) return false;
return true;
}
/** implement Parcelable interface */
@Override
public int describeContents() {
return 0;
}
/** implement Parcelable interface */
@Override
public void writeToParcel(Parcel out, int flags) {
out.writeInt(freqMHz);
out.writeInt(channelNum);
out.writeInt(isDFS ? 1 : 0);
out.writeInt(ibssAllowed ? 1 : 0);
}
/** implement Parcelable interface */
public static final Parcelable.Creator<WifiChannel> CREATOR =
new Parcelable.Creator<WifiChannel>() {
@Override
public WifiChannel createFromParcel(Parcel in) {
WifiChannel channel = new WifiChannel();
channel.freqMHz = in.readInt();
channel.channelNum = in.readInt();
channel.isDFS = in.readInt() != 0;
channel.ibssAllowed = in.readInt() != 0;
return channel;
}
@Override
public WifiChannel[] newArray(int size) {
return new WifiChannel[size];
}
};
}
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