MAVLinkStats.java
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00001 /* AUTO-GENERATED FILE.  DO NOT MODIFY.
00002  *
00003  * This class was automatically generated by the
00004  * java mavlink generator tool. It should not be modified by hand.
00005  */
00006 
00007 package com.MAVLink.Messages;
00008 
00009 import com.MAVLink.MAVLinkPacket;
00010 
00015 public class MAVLinkStats /* implements Serializable */{
00016 
00017     public int receivedPacketCount;
00018 
00019     public int crcErrorCount;
00020 
00021     public int lostPacketCount;
00022 
00023     private int lastPacketSeq;
00024 
00032     public void newPacket(MAVLinkPacket packet) {
00033         advanceLastPacketSequence();
00034         if (hasLostPackets(packet)) {
00035             updateLostPacketCount(packet);
00036         }
00037         lastPacketSeq = packet.seq;
00038         receivedPacketCount++;
00039     }
00040 
00041     private void updateLostPacketCount(MAVLinkPacket packet) {
00042         int lostPackets;
00043         if (packet.seq - lastPacketSeq < 0) {
00044             lostPackets = (packet.seq - lastPacketSeq) + 255;
00045         } else {
00046             lostPackets = (packet.seq - lastPacketSeq);
00047         }
00048         lostPacketCount += lostPackets;
00049     }
00050 
00051     private boolean hasLostPackets(MAVLinkPacket packet) {
00052         return lastPacketSeq > 0 && packet.seq != lastPacketSeq;
00053     }
00054 
00055     private void advanceLastPacketSequence() {
00056         // wrap from 255 to 0 if necessary
00057         lastPacketSeq = (lastPacketSeq + 1) & 0xFF;
00058     }
00059 
00063     public void crcError() {
00064         crcErrorCount++;
00065     }
00066 
00070     public void mavlinkResetStats() {
00071         lastPacketSeq = -1;
00072         lostPacketCount = 0;
00073         crcErrorCount = 0;
00074         receivedPacketCount = 0;
00075     }
00076 
00077 }


mavlink
Author(s): Lorenz Meier
autogenerated on Wed Sep 9 2015 18:06:17