altosui: Deal with telem data that goes backwards in time

The new telemetry stuff can send packets with older timestamps, so
sort telem packets read from disk to create an in-order record of the flight.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/altosui/AltosRecord.java b/altosui/AltosRecord.java
index ce6d86ab..486c96b2 100644
--- a/altosui/AltosRecord.java
+++ b/altosui/AltosRecord.java
@@ -22,7 +22,7 @@ import java.text.*;
 import java.util.HashMap;
 import java.io.*;
 
-public class AltosRecord {
+public class AltosRecord implements Comparable <AltosRecord> {
 	final static int	MISSING = 0x7fffffff;
 
 	static final int	seen_flight = 1;
@@ -243,6 +243,10 @@ public class AltosRecord {
 		return null;
 	}
 
+	public int compareTo(AltosRecord o) {
+		return tick - o.tick;
+	}
+
 	public AltosRecord(AltosRecord old) {
 		version = old.version;
 		seen = old.seen;