X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altosui%2FAltosRecord.java;fp=altosui%2FAltosRecord.java;h=1160a2736299743e81ae484d878570dadc79aa5a;hb=28d621c5885953afe3b7435e582b80b75314506e;hp=0000000000000000000000000000000000000000;hpb=6d0098e497ee2d9a1d1113bf3fb907dd48bdcf80;p=fw%2Faltos

diff --git a/altosui/AltosRecord.java b/altosui/AltosRecord.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 altosui;
+
+import java.lang.*;
+import java.text.*;
+import java.util.HashMap;
+import java.io.*;
+
+public class AltosRecord {
+	int	version;
+	String 	callsign;
+	int	serial;
+	int	flight;
+	int	rssi;
+	int	status;
+	int	state;
+	int	tick;
+	int	accel;
+	int	pres;
+	int	temp;
+	int	batt;
+	int	drogue;
+	int	main;
+	int	flight_accel;
+	int	ground_accel;
+	int	flight_vel;
+	int	flight_pres;
+	int	ground_pres;
+	int	accel_plus_g;
+	int	accel_minus_g;
+	AltosGPS	gps;
+
+	double	time;	/* seconds since boost */
+
+	/*
+	 * Values for our MP3H6115A pressure sensor
+	 *
+	 * From the data sheet:
+	 *
+	 * Pressure range: 15-115 kPa
+	 * Voltage at 115kPa: 2.82
+	 * Output scale: 27mV/kPa
+	 *
+	 *
+	 * 27 mV/kPa * 2047 / 3300 counts/mV = 16.75 counts/kPa
+	 * 2.82V * 2047 / 3.3 counts/V = 1749 counts/115 kPa
+	 */
+
+	static final double counts_per_kPa = 27 * 2047 / 3300;
+	static final double counts_at_101_3kPa = 1674.0;
+
+	static double
+	barometer_to_pressure(double count)
+	{
+		return ((count / 16.0) / 2047.0 + 0.095) / 0.009 * 1000.0;
+	}
+
+	public double raw_pressure() {
+		return barometer_to_pressure(pres);
+	}
+
+	public double filtered_pressure() {
+		return barometer_to_pressure(flight_pres);
+	}
+
+	public double ground_pressure() {
+		return barometer_to_pressure(ground_pres);
+	}
+
+	public double filtered_altitude() {
+		return AltosConvert.pressure_to_altitude(filtered_pressure());
+	}
+
+	public double raw_altitude() {
+		return AltosConvert.pressure_to_altitude(raw_pressure());
+	}
+
+	public double ground_altitude() {
+		return AltosConvert.pressure_to_altitude(ground_pressure());
+	}
+
+	public double filtered_height() {
+		return filtered_altitude() - ground_altitude();
+	}
+
+	public double raw_height() {
+		return raw_altitude() - ground_altitude();
+	}
+
+	public double battery_voltage() {
+		return AltosConvert.cc_battery_to_voltage(batt);
+	}
+
+	public double main_voltage() {
+		return AltosConvert.cc_ignitor_to_voltage(main);
+	}
+
+	public double drogue_voltage() {
+		return AltosConvert.cc_ignitor_to_voltage(drogue);
+	}
+
+	/* Value for the CC1111 built-in temperature sensor
+	 * Output voltage at 0°C = 0.755V
+	 * Coefficient = 0.00247V/°C
+	 * Reference voltage = 1.25V
+	 *
+	 * temp = ((value / 32767) * 1.25 - 0.755) / 0.00247
+	 *      = (value - 19791.268) / 32768 * 1.25 / 0.00247
+	 */
+
+	static double
+	thermometer_to_temperature(double thermo)
+	{
+		return (thermo - 19791.268) / 32728.0 * 1.25 / 0.00247;
+	}
+
+	public double temperature() {
+		return thermometer_to_temperature(temp);
+	}
+
+	double accel_counts_per_mss() {
+		double	counts_per_g = Math.abs(accel_minus_g - accel_plus_g) / 2;
+
+		return counts_per_g / 9.80665;
+	}
+	public double acceleration() {
+		return (ground_accel - accel) / accel_counts_per_mss();
+	}
+
+	public double accel_speed() {
+		double speed = flight_vel / (accel_counts_per_mss() * 100.0);
+		return speed;
+	}
+
+	public String state() {
+		return Altos.state_name(state);
+	}
+
+	public static String gets(FileInputStream s) throws IOException {
+		int c;
+		String	line = "";
+
+		while ((c = s.read()) != -1) {
+			if (c == '\r')
+				continue;
+			if (c == '\n') {
+				return line;
+			}
+			line = line + (char) c;
+		}
+		return null;
+	}
+
+	public AltosRecord(AltosRecord old) {
+		version = old.version;
+		callsign = old.callsign;
+		serial = old.serial;
+		flight = old.flight;
+		rssi = old.rssi;
+		status = old.status;
+		state = old.state;
+		tick = old.tick;
+		accel = old.accel;
+		pres = old.pres;
+		temp = old.temp;
+		batt = old.batt;
+		drogue = old.drogue;
+		main = old.main;
+		flight_accel = old.flight_accel;
+		ground_accel = old.ground_accel;
+		flight_vel = old.flight_vel;
+		flight_pres = old.flight_pres;
+		ground_pres = old.ground_pres;
+		accel_plus_g = old.accel_plus_g;
+		accel_minus_g = old.accel_minus_g;
+		gps = new AltosGPS(old.gps);
+	}
+
+	public AltosRecord() {
+		version = 0;
+		callsign = "N0CALL";
+		serial = 0;
+		flight = 0;
+		rssi = 0;
+		status = 0;
+		state = Altos.ao_flight_startup;
+		tick = 0;
+		accel = 0;
+		pres = 0;
+		temp = 0;
+		batt = 0;
+		drogue = 0;
+		main = 0;
+		flight_accel = 0;
+		ground_accel = 0;
+		flight_vel = 0;
+		flight_pres = 0;
+		ground_pres = 0;
+		accel_plus_g = 0;
+		accel_minus_g = 0;
+		gps = new AltosGPS();
+	}
+}