diff options
Diffstat (limited to 'altoslib/AltosTelemetryRecordLocation.java')
| -rw-r--r-- | altoslib/AltosTelemetryRecordLocation.java | 93 | 
1 files changed, 93 insertions, 0 deletions
| diff --git a/altoslib/AltosTelemetryRecordLocation.java b/altoslib/AltosTelemetryRecordLocation.java new file mode 100644 index 00000000..cddb773d --- /dev/null +++ b/altoslib/AltosTelemetryRecordLocation.java @@ -0,0 +1,93 @@ +/* + * Copyright © 2011 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; + + +public class AltosTelemetryRecordLocation extends AltosTelemetryRecordRaw { +	int	flags; +	int	altitude; +	int	latitude; +	int	longitude; +	int	year; +	int	month; +	int	day; +	int	hour; +	int	minute; +	int	second; +	int	pdop; +	int	hdop; +	int	vdop; +	int	mode; +	int	ground_speed; +	int	climb_rate; +	int	course; + +	public AltosTelemetryRecordLocation(int[] in_bytes) { +		super(in_bytes); + +		flags          = uint8(5); +		altitude       = int16(6); +		latitude       = uint32(8); +		longitude      = uint32(12); +		year	       = uint8(16); +		month	       = uint8(17); +		day	       = uint8(18); +		hour	       = uint8(19); +		minute	       = uint8(20); +		second	       = uint8(21); +		pdop	       = uint8(22); +		hdop	       = uint8(23); +		vdop	       = uint8(24); +		mode	       = uint8(25); +		ground_speed   = uint16(26); +		climb_rate     = int16(28); +		course	       = uint8(30); +	} + +	public AltosRecord update_state(AltosRecord previous) { +		AltosRecord	next = super.update_state(previous); + +		if (next.gps == null) +			next.gps = new AltosGPS(); + +		next.gps.nsat = flags & 0xf; +		next.gps.locked = (flags & (1 << 4)) != 0; +		next.gps.connected = (flags & (1 << 5)) != 0; + +		if (next.gps.locked) { +			next.gps.lat = latitude * 1.0e-7; +			next.gps.lon = longitude * 1.0e-7; +			next.gps.alt = altitude; +			next.gps.year = 2000 + year; +			next.gps.month = month; +			next.gps.day = day; +			next.gps.hour = hour; +			next.gps.minute = minute; +			next.gps.second = second; +			next.gps.ground_speed = ground_speed * 1.0e-2; +			next.gps.course = course * 2; +			next.gps.climb_rate = climb_rate * 1.0e-2; +			next.gps.hdop = hdop; +			next.gps.vdop = vdop; +			next.seen |= AltosRecord.seen_gps_time | AltosRecord.seen_gps_lat | AltosRecord.seen_gps_lon; +			next.new_gps = true; +		} + +		return next; +	} +} | 
