altoslib: Parse TeleGPS state value from GPS telemetry packet

TeleGPS adds 0x80 to the state value to signify that this otherwise
unused byte contains the current state value

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

1 files changed, 7 insertions, 0 deletions

diff --git a/altoslib/AltosGPS.java b/altoslib/AltosGPS.java
index 2708d026..f2810833 100644
--- a/altoslib/AltosGPS.java
+++ b/altoslib/AltosGPS.java
@@ -45,6 +45,10 @@ public class AltosGPS implements Cloneable {
 	public int	h_error;	/* m */
 	public int	v_error;	/* m */
 
+	public int	state;		/* for TeleGPS */
+
+	static final int AO_GPS_STATE_VALID = 0x80;
+
 	public AltosGPSSat[] cc_gps_sat;	/* tracking data */
 
 	public void ParseGPSDate(String date) throws ParseException {
@@ -298,6 +302,7 @@ public class AltosGPS implements Cloneable {
 		g.hdop = hdop;		/* unitless? */
 		g.h_error = h_error;	/* m */
 		g.v_error = v_error;	/* m */
+		g.state = state;
 
 		if (cc_gps_sat != null) {
 			g.cc_gps_sat = new AltosGPSSat[cc_gps_sat.length];
@@ -330,6 +335,7 @@ public class AltosGPS implements Cloneable {
 			hdop = old.hdop;		/* unitless? */
 			h_error = old.h_error;	/* m */
 			v_error = old.v_error;	/* m */
+			state = old.state;
 
 			if (old.cc_gps_sat != null) {
 				cc_gps_sat = new AltosGPSSat[old.cc_gps_sat.length];
@@ -345,6 +351,7 @@ public class AltosGPS implements Cloneable {
 			alt = AltosLib.MISSING;
 			ClearGPSTime();
 			cc_gps_sat = null;
+			state = 0;
 		}
 	}