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/*
* 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);
}
}
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