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diff --git a/altoslib/AltosGPS.java b/altoslib/AltosGPS.java
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+/*
+ * Copyright © 2010 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.AltosLib;
+
+import java.lang.*;
+import java.text.*;
+
+public class AltosGPS {
+
+ public final static int MISSING = AltosRecord.MISSING;
+
+ public int nsat;
+ public boolean locked;
+ public boolean connected;
+ public double lat; /* degrees (+N -S) */
+ public double lon; /* degrees (+E -W) */
+ public int alt; /* m */
+ public int year;
+ public int month;
+ public int day;
+ public int hour;
+ public int minute;
+ public int second;
+
+ public double ground_speed; /* m/s */
+ public int course; /* degrees */
+ public double climb_rate; /* m/s */
+ public double hdop; /* unitless */
+ public double vdop; /* unitless */
+ public int h_error; /* m */
+ public int v_error; /* m */
+
+ public AltosGPSSat[] cc_gps_sat; /* tracking data */
+
+ public void ParseGPSDate(String date) throws ParseException {
+ String[] ymd = date.split("-");
+ if (ymd.length != 3)
+ throw new ParseException("error parsing GPS date " + date + " got " + ymd.length, 0);
+ year = AltosParse.parse_int(ymd[0]);
+ month = AltosParse.parse_int(ymd[1]);
+ day = AltosParse.parse_int(ymd[2]);
+ }
+
+ public void ParseGPSTime(String time) throws ParseException {
+ String[] hms = time.split(":");
+ if (hms.length != 3)
+ throw new ParseException("Error parsing GPS time " + time + " got " + hms.length, 0);
+ hour = AltosParse.parse_int(hms[0]);
+ minute = AltosParse.parse_int(hms[1]);
+ second = AltosParse.parse_int(hms[2]);
+ }
+
+ public void ClearGPSTime() {
+ year = month = day = 0;
+ hour = minute = second = 0;
+ }
+
+ public AltosGPS(AltosTelemetryMap map) throws ParseException {
+ String state = map.get_string(AltosTelemetry.AO_TELEM_GPS_STATE,
+ AltosTelemetry.AO_TELEM_GPS_STATE_ERROR);
+
+ nsat = map.get_int(AltosTelemetry.AO_TELEM_GPS_NUM_SAT, 0);
+ if (state.equals(AltosTelemetry.AO_TELEM_GPS_STATE_LOCKED)) {
+ connected = true;
+ locked = true;
+ lat = map.get_double(AltosTelemetry.AO_TELEM_GPS_LATITUDE, MISSING, 1.0e-7);
+ lon = map.get_double(AltosTelemetry.AO_TELEM_GPS_LONGITUDE, MISSING, 1.0e-7);
+ alt = map.get_int(AltosTelemetry.AO_TELEM_GPS_ALTITUDE, MISSING);
+ year = map.get_int(AltosTelemetry.AO_TELEM_GPS_YEAR, MISSING);
+ if (year != MISSING)
+ year += 2000;
+ month = map.get_int(AltosTelemetry.AO_TELEM_GPS_MONTH, MISSING);
+ day = map.get_int(AltosTelemetry.AO_TELEM_GPS_DAY, MISSING);
+
+ hour = map.get_int(AltosTelemetry.AO_TELEM_GPS_HOUR, 0);
+ minute = map.get_int(AltosTelemetry.AO_TELEM_GPS_MINUTE, 0);
+ second = map.get_int(AltosTelemetry.AO_TELEM_GPS_SECOND, 0);
+
+ ground_speed = map.get_double(AltosTelemetry.AO_TELEM_GPS_HORIZONTAL_SPEED,
+ AltosRecord.MISSING, 1/100.0);
+ course = map.get_int(AltosTelemetry.AO_TELEM_GPS_COURSE,
+ AltosRecord.MISSING);
+ hdop = map.get_double(AltosTelemetry.AO_TELEM_GPS_HDOP, MISSING, 1.0);
+ vdop = map.get_double(AltosTelemetry.AO_TELEM_GPS_VDOP, MISSING, 1.0);
+ h_error = map.get_int(AltosTelemetry.AO_TELEM_GPS_HERROR, MISSING);
+ v_error = map.get_int(AltosTelemetry.AO_TELEM_GPS_VERROR, MISSING);
+ } else if (state.equals(AltosTelemetry.AO_TELEM_GPS_STATE_UNLOCKED)) {
+ connected = true;
+ locked = false;
+ } else {
+ connected = false;
+ locked = false;
+ }
+ }
+
+ public AltosGPS(String[] words, int i, int version) throws ParseException {
+ AltosParse.word(words[i++], "GPS");
+ nsat = AltosParse.parse_int(words[i++]);
+ AltosParse.word(words[i++], "sat");
+
+ connected = false;
+ locked = false;
+ lat = lon = 0;
+ alt = 0;
+ ClearGPSTime();
+ if ((words[i]).equals("unlocked")) {
+ connected = true;
+ i++;
+ } else if ((words[i]).equals("not-connected")) {
+ i++;
+ } else if (words.length >= 40) {
+ locked = true;
+ connected = true;
+
+ if (version > 1)
+ ParseGPSDate(words[i++]);
+ else
+ year = month = day = 0;
+ ParseGPSTime(words[i++]);
+ lat = AltosParse.parse_coord(words[i++]);
+ lon = AltosParse.parse_coord(words[i++]);
+ alt = AltosParse.parse_int(words[i++]);
+ if (version > 1 || (i < words.length && !words[i].equals("SAT"))) {
+ ground_speed = AltosParse.parse_double(AltosParse.strip_suffix(words[i++], "m/s(H)"));
+ course = AltosParse.parse_int(words[i++]);
+ climb_rate = AltosParse.parse_double(AltosParse.strip_suffix(words[i++], "m/s(V)"));
+ hdop = AltosParse.parse_double(AltosParse.strip_suffix(words[i++], "(hdop)"));
+ h_error = AltosParse.parse_int(words[i++]);
+ v_error = AltosParse.parse_int(words[i++]);
+ }
+ } else {
+ i++;
+ }
+ if (i < words.length) {
+ AltosParse.word(words[i++], "SAT");
+ int tracking_channels = 0;
+ if (words[i].equals("not-connected"))
+ tracking_channels = 0;
+ else
+ tracking_channels = AltosParse.parse_int(words[i]);
+ i++;
+ cc_gps_sat = new AltosGPSSat[tracking_channels];
+ for (int chan = 0; chan < tracking_channels; chan++) {
+ cc_gps_sat[chan] = new AltosGPSSat();
+ cc_gps_sat[chan].svid = AltosParse.parse_int(words[i++]);
+ /* Older versions included SiRF status bits */
+ if (version < 2)
+ i++;
+ cc_gps_sat[chan].c_n0 = AltosParse.parse_int(words[i++]);
+ }
+ } else
+ cc_gps_sat = new AltosGPSSat[0];
+ }
+
+ public void set_latitude(int in_lat) {
+ lat = in_lat / 10.0e7;
+ }
+
+ public void set_longitude(int in_lon) {
+ lon = in_lon / 10.0e7;
+ }
+
+ public void set_time(int hour, int minute, int second) {
+ hour = hour;
+ minute = minute;
+ second = second;
+ }
+
+ public void set_date(int year, int month, int day) {
+ year = year;
+ month = month;
+ day = day;
+ }
+
+ public void set_flags(int flags) {
+ flags = flags;
+ }
+
+ public void set_altitude(int altitude) {
+ altitude = altitude;
+ }
+
+ public void add_sat(int svid, int c_n0) {
+ if (cc_gps_sat == null) {
+ cc_gps_sat = new AltosGPSSat[1];
+ } else {
+ AltosGPSSat[] new_gps_sat = new AltosGPSSat[cc_gps_sat.length + 1];
+ for (int i = 0; i < cc_gps_sat.length; i++)
+ new_gps_sat[i] = cc_gps_sat[i];
+ cc_gps_sat = new_gps_sat;
+ }
+ AltosGPSSat sat = new AltosGPSSat();
+ sat.svid = svid;
+ sat.c_n0 = c_n0;
+ cc_gps_sat[cc_gps_sat.length - 1] = sat;
+ }
+
+ public AltosGPS() {
+ ClearGPSTime();
+ cc_gps_sat = null;
+ }
+
+ public AltosGPS(AltosGPS old) {
+ nsat = old.nsat;
+ locked = old.locked;
+ connected = old.connected;
+ lat = old.lat; /* degrees (+N -S) */
+ lon = old.lon; /* degrees (+E -W) */
+ alt = old.alt; /* m */
+ year = old.year;
+ month = old.month;
+ day = old.day;
+ hour = old.hour;
+ minute = old.minute;
+ second = old.second;
+
+ ground_speed = old.ground_speed; /* m/s */
+ course = old.course; /* degrees */
+ climb_rate = old.climb_rate; /* m/s */
+ hdop = old.hdop; /* unitless? */
+ h_error = old.h_error; /* m */
+ v_error = old.v_error; /* m */
+
+ if (old.cc_gps_sat != null) {
+ cc_gps_sat = new AltosGPSSat[old.cc_gps_sat.length];
+ for (int i = 0; i < old.cc_gps_sat.length; i++) {
+ cc_gps_sat[i] = new AltosGPSSat();
+ cc_gps_sat[i].svid = old.cc_gps_sat[i].svid;
+ cc_gps_sat[i].c_n0 = old.cc_gps_sat[i].c_n0;
+ }
+ }
+ }
+}
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