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authorKeith Packard <keithp@keithp.com>2017-05-26 18:46:00 -0700
committerKeith Packard <keithp@keithp.com>2017-05-26 18:46:00 -0700
commit21d864206043d2a6048cd859295623bad4d99365 (patch)
tree2f1cd89b3a847fb9e1a109634360287f66718de1
parent3d29882f5c70e627b0bbfe42c0a31d6cb5f6b6bf (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>
-rw-r--r--altoslib/AltosCalData.java10
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;