X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=ao-tools%2Faltosui%2FAltosState.java;fp=ao-tools%2Faltosui%2FAltosState.java;h=da465c75d8a8b01dc993502747ece147c793796f;hp=0000000000000000000000000000000000000000;hb=65079f84ea64220fa928c3ad96652fed159bf74b;hpb=02f2be90879b682b6e648cf2debc83223d127b9d

diff --git a/ao-tools/altosui/AltosState.java b/ao-tools/altosui/AltosState.java
new file mode 100644
index 00000000..da465c75
--- /dev/null
+++ b/ao-tools/altosui/AltosState.java
@@ -0,0 +1,166 @@
+/*
+ * 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.
+ */
+
+/*
+ * Track flight state from telemetry data stream
+ */
+
+package altosui;
+
+import altosui.AltosTelemetry;
+import altosui.AltosGPS;
+
+public class AltosState {
+	AltosTelemetry data;
+	AltosTelemetry prev_data;
+
+	/* derived data */
+
+	double  report_time;
+
+	int	state;
+	boolean	ascent;	/* going up? */
+
+	double	ground_altitude;
+	double	height;
+	double	speed;
+	double	acceleration;
+	double	battery;
+	double	temperature;
+	double	main_sense;
+	double	drogue_sense;
+	double	baro_speed;
+
+	double	max_height;
+	double	max_acceleration;
+	double	max_speed;
+
+	AltosGPS	gps;
+	AltosGPSTracking	gps_tracking;
+
+	boolean	gps_valid;
+	double	pad_lat;
+	double	pad_lon;
+	double	pad_alt;
+	double	pad_lat_total;
+	double	pad_lon_total;
+	double	pad_alt_total;
+	int	npad;
+	int	prev_npad;
+
+	AltosGreatCircle from_pad;
+
+	double	gps_height;
+
+	int	speak_tick;
+	double	speak_altitude;
+
+	static double
+	aoview_time()
+	{
+		return System.currentTimeMillis() / 1000.0;
+	}
+
+	public AltosState (AltosTelemetry cur, AltosTelemetry prev, int prev_npad) {
+		int	i;
+		double	new_height;
+		double	height_change;
+		double	time_change;
+		double	accel_counts_per_mss;
+		int	tick_count;
+
+		data = cur;
+		prev_data = prev;
+		npad = prev_npad;
+		tick_count = data.tick;
+		if (tick_count < prev_data.tick)
+			tick_count += 65536;
+		time_change = (tick_count - prev_data.tick) / 100.0;
+
+		report_time = aoview_time();
+
+		ground_altitude = AltosConvert.cc_pressure_to_altitude(data.ground_pres);
+		new_height = AltosConvert.cc_pressure_to_altitude(data.flight_pres) - ground_altitude;
+		height_change = new_height - height;
+		height = new_height;
+		if (time_change > 0)
+			baro_speed = (baro_speed * 3 + (height_change / time_change)) / 4.0;
+		accel_counts_per_mss = ((data.accel_minus_g - data.accel_plus_g) / 2.0) / 9.80665;
+		acceleration = (data.ground_accel - data.flight_accel) / accel_counts_per_mss;
+		speed = data.flight_vel / (accel_counts_per_mss * 100.0);
+		temperature = AltosConvert.cc_thermometer_to_temperature(data.temp);
+		drogue_sense = AltosConvert.cc_ignitor_to_voltage(data.drogue);
+		main_sense = AltosConvert.cc_ignitor_to_voltage(data.main);
+		battery = AltosConvert.cc_battery_to_voltage(data.batt);
+		state = data.state();
+		if (state == AltosTelemetry.ao_flight_pad) {
+			if (data.gps.gps_locked && data.gps.nsat >= 4) {
+				npad++;
+				pad_lat_total += data.gps.lat;
+				pad_lon_total += data.gps.lon;
+				pad_alt_total += data.gps.alt;
+				if (npad > 1) {
+					pad_lat = (pad_lat * 31 + data.gps.lat) / 32.0;
+					pad_lon = (pad_lon * 31 + data.gps.lon) / 32.0;
+					pad_alt = (pad_alt * 31 + data.gps.alt) / 32.0;
+				} else {
+					pad_lat = data.gps.lat;
+					pad_lon = data.gps.lon;
+					pad_alt = data.gps.alt;
+				}
+			}
+		}
+		ascent = (AltosTelemetry.ao_flight_boost <= state &&
+			  state <= AltosTelemetry.ao_flight_coast);
+
+		/* Only look at accelerometer data on the way up */
+		if (ascent && acceleration > max_acceleration)
+			max_acceleration = acceleration;
+		if (ascent && speed > max_speed)
+			max_speed = speed;
+
+		if (height > max_height)
+			max_height = height;
+		gps.gps_locked = data.gps.gps_locked;
+		gps.gps_connected = data.gps.gps_connected;
+		if (data.gps.gps_locked) {
+			gps = data.gps;
+			gps_valid = true;
+			if (npad > 0)
+				from_pad = new AltosGreatCircle(pad_lat, pad_lon, gps.lat, gps.lon);
+		}
+		if (npad > 0) {
+			gps_height = gps.alt - pad_alt;
+		} else {
+			gps_height = 0;
+		}
+	}
+
+	public AltosState(AltosTelemetry cur) {
+		this(cur, cur, 0);
+	}
+
+	public AltosState (AltosTelemetry cur, AltosState prev) {
+		this(cur, prev.data, prev.npad);
+		if (gps == null) {
+			gps = prev.gps;
+			gps_valid = prev.gps_valid;
+		}
+		if (gps_tracking == null)
+			gps_tracking = prev.gps_tracking;
+	}
+}