Can now parse IBeacon Manufacturer data (need to flip the byte order of

a few fields)
This commit is contained in:
Alexandros Schillings
2014-03-11 12:57:39 +00:00
parent 39d7b9a882
commit 78c04568de
2 changed files with 20 additions and 12 deletions
@@ -3,6 +3,7 @@ package uk.co.alt236.btlescan.containers;
import java.util.Arrays;
import uk.co.alt236.btlescan.util.ByteUtils;
import android.util.Log;
public final class ManufacturerDataIBeacon {
// 0 4C # Byte 1 (LSB) of Company identifier code
@@ -45,19 +46,14 @@ public final class ManufacturerDataIBeacon {
public ManufacturerDataIBeacon(byte[] data){
mData = data;
mCompanyIdentidier = convert2ByteArrayToInt(Arrays.copyOfRange(mData, 0, 2));
mIBeaconAdvertisment = convert2ByteArrayToInt(Arrays.copyOfRange(mData, 2, 2));
mUUID = ByteUtils.getLongFromByteArray(Arrays.copyOfRange(mData, 4, 16));
mMajor = convert2ByteArrayToInt(Arrays.copyOfRange(mData, 20, 2));
mMinor = convert2ByteArrayToInt(Arrays.copyOfRange(mData, 22, 2));
mCalibratedTxPower = ByteUtils.getIntFromByte(data[24]);
}
Log.d("TAG", "~ Reading iBeacon Data: " + ByteUtils.byteArrayToHexString(data));
private static int convert2ByteArrayToInt(byte[] array){
final byte[] result = new byte[4];
result[2] = array[0];
result[3] = array[1];
return ByteUtils.getIntFromByteArray(result);
mCompanyIdentidier = ByteUtils.getIntFrom2ByteArray(Arrays.copyOfRange(mData, 0, 2));
mIBeaconAdvertisment = ByteUtils.getIntFrom2ByteArray(Arrays.copyOfRange(mData, 2, 4));
mUUID = ByteUtils.getLongFromByteArray(Arrays.copyOfRange(mData, 4, 19));
mMajor = ByteUtils.getIntFrom2ByteArray(Arrays.copyOfRange(mData, 20, 22));
mMinor = ByteUtils.getIntFrom2ByteArray(Arrays.copyOfRange(mData, 22, 24));
mCalibratedTxPower = ByteUtils.getIntFromByte(data[24]);
}
public int getCalibratedTxPower(){
@@ -31,6 +31,17 @@ public class ByteUtils {
return sb.toString();
}
public static int getIntFrom2ByteArray(byte[] input){
final byte[] result = new byte[4];
result[0] = 0;
result[1] = 0;
result[2] = input[0];
result[3] = input[1];
return ByteUtils.getIntFromByteArray(result);
}
/**
* Converts a byte to an int, preserving the sign.
*
@@ -53,6 +64,7 @@ public class ByteUtils {
return ByteBuffer.wrap(bytes).getInt();
}
/**
* Converts a byte array to a long;
*