From 21d864206043d2a6048cd859295623bad4d99365 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Fri, 26 May 2017 18:46:00 -0700 Subject: [PATCH] altoslib: Preserve old GPS data during operation This avoids having the lat/lon values blank out when the GPS receiver looses lock. Signed-off-by: Keith Packard --- altoslib/AltosCalData.java | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/altoslib/AltosCalData.java b/altoslib/AltosCalData.java index fff6ba67..ae0a9294 100644 --- a/altoslib/AltosCalData.java +++ b/altoslib/AltosCalData.java @@ -220,6 +220,7 @@ public class AltosCalData { * object and then deliver the result atomically to the listener */ AltosGPS temp_gps = null; + AltosGPS prev_gps = null; int temp_gps_sat_tick = AltosLib.MISSING; public AltosGPS temp_gps() { @@ -230,6 +231,7 @@ public class AltosCalData { if (temp_gps != null) { if (temp_gps.locked && temp_gps.nsat >= 4) set_gps(temp_gps); + prev_gps = temp_gps; temp_gps = null; } } @@ -239,8 +241,12 @@ public class AltosCalData { } public AltosGPS make_temp_gps(int tick, boolean sats) { - if (temp_gps == null) - temp_gps = new AltosGPS(); + if (temp_gps == null) { + if (prev_gps != null) + temp_gps = prev_gps.clone(); + else + temp_gps = new AltosGPS(); + } if (sats) { if (tick != temp_gps_sat_tick) temp_gps.cc_gps_sat = null; -- 2.30.2