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| author | Anton Tananaev <anton.tananaev@gmail.com> | 2014-01-18 19:07:39 +1300 |
|---|---|---|
| committer | Anton Tananaev <anton.tananaev@gmail.com> | 2014-01-18 19:07:39 +1300 |
| commit | ba4af96c2b771e3984887de0a4d2d7338aed1270 (patch) | |
| tree | 1a44ff7bd7d8292d67986b7c51aa1b50504050d1 /src/org/traccar/helper/Crc.java | |
| parent | 0f0bcf8bf31723e67d703d8ea67e40a921536d9a (diff) | |
| download | trackermap-server-ba4af96c2b771e3984887de0a4d2d7338aed1270.tar.gz trackermap-server-ba4af96c2b771e3984887de0a4d2d7338aed1270.tar.bz2 trackermap-server-ba4af96c2b771e3984887de0a4d2d7338aed1270.zip | |
Implement KHD protocol
Diffstat (limited to 'src/org/traccar/helper/Crc.java')
| -rw-r--r-- | src/org/traccar/helper/Crc.java | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/org/traccar/helper/Crc.java b/src/org/traccar/helper/Crc.java index 84224a781..5a668f30a 100644 --- a/src/org/traccar/helper/Crc.java +++ b/src/org/traccar/helper/Crc.java @@ -136,6 +136,14 @@ public class Crc { } return (int) checksum.getValue(); } + + public static int xorChecksum(ByteBuffer buf) { + int checksum = 0; + for (int i = 0; i < buf.remaining(); i++) { + checksum ^= buf.get(i); + } + return checksum; + } public static String nmeaChecksum(String msg) { int checksum = 0; |