Initial Commit - Copy from Altus Metrum AltOS

altoslib/AltosEepromRecordGps.java

@@ -0,0 +1,145 @@
+/*
+ * Copyright © 2017 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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_14;
+
+import java.io.*;
+import java.util.*;
+import java.text.*;
+
+public class AltosEepromRecordGps extends AltosEepromRecord {
+	public static final int	record_length = 32;
+
+	/* AO_LOG_FLIGHT elements */
+	public int flight() { return data16(0); }
+	public int start_altitude() { return data16(2); }
+	public int start_latitude() { return data32(4); }
+	public int start_longitude() { return data32(8); }
+
+	/* AO_LOG_GPS_TIME elements */
+	public int latitude() { return data32(0); }
+	public int longitude() { return data32(4); }
+	public int altitude_low() { return data16(8); }
+	public int hour() { return data8(10); }
+	public int minute() { return data8(11); }
+	public int second() { return data8(12); }
+	public int flags() { return data8(13); }
+	public int year() { return data8(14); }
+	public int month() { return data8(15); }
+	public int day() { return data8(16); }
+	public int course() { return data8(17); }
+	public int ground_speed() { return data16(18); }
+	public int climb_rate() { return data16(20); }
+	public int pdop() { return data8(22); }
+	public int hdop() { return data8(23); }
+	public int vdop() { return data8(24); }
+	public int mode() { return data8(25); }
+	public int altitude_high() { return data16(26); }
+
+	private int seconds() {
+		switch (cmd()) {
+		case AltosLib.AO_LOG_GPS_TIME:
+			return second() + 60 * (minute() + 60 * (hour() + 24 * (day() + 31 * month())));
+		default:
+			return 0;
+		}
+	}
+
+	public int compareTo(AltosEepromRecord o) {
+		AltosEepromRecordGps og = (AltosEepromRecordGps) o;
+
+		int	seconds_diff = seconds() - og.seconds();
+
+		if (seconds_diff != 0)
+			return seconds_diff;
+
+		return start - o.start;
+	}
+
+	public void provide_data(AltosDataListener listener, AltosCalData cal_data) {
+		super.provide_data(listener, cal_data);
+
+		switch (cmd()) {
+		case AltosLib.AO_LOG_FLIGHT:
+			if (cal_data.flight == AltosLib.MISSING) {
+				cal_data.set_boost_tick();
+				cal_data.set_flight(flight());
+			}
+			/* no place to log start lat/lon yet */
+			break;
+		case AltosLib.AO_LOG_GPS_TIME:
+			AltosGPS gps = new AltosGPS();
+			gps.lat = latitude() / 1e7;
+			gps.lon = longitude() / 1e7;
+			if (eeprom.config_data().altitude_32 == 1)
+				gps.alt = (altitude_low() & 0xffff) | (altitude_high() << 16);
+			else
+				gps.alt = altitude_low();
+
+			gps.hour = hour();
+			gps.minute = minute();
+			gps.second = second();
+
+			int flags = flags();
+
+			gps.connected = (flags & AltosLib.AO_GPS_RUNNING) != 0;
+			gps.locked = (flags & AltosLib.AO_GPS_VALID) != 0;
+			gps.nsat = (flags & AltosLib.AO_GPS_NUM_SAT_MASK) >>
+				AltosLib.AO_GPS_NUM_SAT_SHIFT;
+
+			gps.year = 2000 + year();
+			gps.month = month();
+			gps.day = day();
+			gps.ground_speed = ground_speed() * 1.0e-2;
+			gps.course = course() * 2;
+			gps.climb_rate = climb_rate() * 1.0e-2;
+			if (eeprom.config_data().compare_version("1.4.9") >= 0) {
+				gps.pdop = pdop() / 10.0;
+				gps.hdop = hdop() / 10.0;
+				gps.vdop = vdop() / 10.0;
+			} else {
+				gps.pdop = pdop() / 100.0;
+				if (gps.pdop < 0.8)
+					gps.pdop += 2.56;
+				gps.hdop = hdop() / 100.0;
+				if (gps.hdop < 0.8)
+					gps.hdop += 2.56;
+				gps.vdop = vdop() / 100.0;
+				if (gps.vdop < 0.8)
+					gps.vdop += 2.56;
+			}
+			listener.set_gps(gps, true, true);
+			break;
+		}
+	}
+
+	public AltosEepromRecord next() {
+		int	s = next_start();
+		if (s < 0)
+			return null;
+		return new AltosEepromRecordGps(eeprom, s);
+	}
+
+	public AltosEepromRecordGps(AltosEeprom eeprom, int start) {
+		super(eeprom, start, record_length);
+	}
+
+	public AltosEepromRecordGps(AltosEeprom eeprom) {
+		this(eeprom, 0);
+	}
+}