diff options
author | Keith Packard <keithp@keithp.com> | 2017-05-26 18:46:00 -0700 |
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committer | Keith Packard <keithp@keithp.com> | 2017-05-26 18:46:00 -0700 |
commit | 21d864206043d2a6048cd859295623bad4d99365 (patch) | |
tree | 2f1cd89b3a847fb9e1a109634360287f66718de1 /altoslib/AltosCalData.java | |
parent | 3d29882f5c70e627b0bbfe42c0a31d6cb5f6b6bf (diff) |
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 <keithp@keithp.com>
Diffstat (limited to 'altoslib/AltosCalData.java')
-rw-r--r-- | altoslib/AltosCalData.java | 10 |
1 files 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; |