-
-
Notifications
You must be signed in to change notification settings - Fork 10
/
MobitexBeaconSource.java
44 lines (35 loc) · 1.31 KB
/
MobitexBeaconSource.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
package ru.r2cloud.jradio.mobitex;
import java.io.IOException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ru.r2cloud.jradio.Beacon;
import ru.r2cloud.jradio.BeaconSource;
import ru.r2cloud.jradio.ByteInput;
import ru.r2cloud.jradio.blocks.CorrelateSyncword;
import ru.r2cloud.jradio.blocks.InvertBits;
import ru.r2cloud.jradio.blocks.SoftToHard;
import ru.r2cloud.jradio.blocks.UnpackedToPacked;
import ru.r2cloud.jradio.fec.ccsds.UncorrectableException;
public class MobitexBeaconSource<T extends Beacon> extends BeaconSource<T> {
private static final Logger LOG = LoggerFactory.getLogger(MobitexBeaconSource.class);
private final Class<T> clazz;
public MobitexBeaconSource(ByteInput input, Class<T> clazz) {
this(input, clazz, MobitexBeacon.MAX_SIZE);
}
public MobitexBeaconSource(ByteInput input, Class<T> clazz, int maxLengthBytes) {
super(new CorrelateSyncword(new InvertBits(new SoftToHard(input)), 4, "0101011101100101", maxLengthBytes * 8));
this.clazz = clazz;
}
@Override
protected T parseBeacon(byte[] raw) throws UncorrectableException, IOException {
T result;
try {
result = clazz.getDeclaredConstructor().newInstance();
} catch (Exception e) {
LOG.error("unable to init beacon", e);
return null;
}
result.readExternal(UnpackedToPacked.pack(raw));
return result;
}
}