2 * Copyright © 2010 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
18 package org.altusmetrum.AltosLib;
22 import java.util.HashMap;
25 public class AltosRecord implements Comparable <AltosRecord> {
26 public final static int MISSING = 0x7fffffff;
28 public static final int seen_flight = 1;
29 public static final int seen_sensor = 2;
30 public static final int seen_temp_volt = 4;
31 public static final int seen_deploy = 8;
32 public static final int seen_gps_time = 16;
33 public static final int seen_gps_lat = 32;
34 public static final int seen_gps_lon = 64;
35 public static final int seen_companion = 128;
39 public String callsign;
54 public int ground_accel;
55 public int ground_pres;
56 public int accel_plus_g;
57 public int accel_minus_g;
59 public double acceleration;
63 public int flight_accel;
64 public int flight_vel;
65 public int flight_pres;
68 public boolean new_gps;
73 public double time; /* seconds since boost */
75 public int device_type;
76 public int config_major;
77 public int config_minor;
78 public int apogee_delay;
79 public int main_deploy;
80 public int flight_log_max;
81 public String firmware_version;
83 public AltosRecordCompanion companion;
85 >>>>>>> 5a249bc... altosui: Complete split out of separate java library
87 * Values for our MP3H6115A pressure sensor
89 * From the data sheet:
91 * Pressure range: 15-115 kPa
92 * Voltage at 115kPa: 2.82
93 * Output scale: 27mV/kPa
96 * 27 mV/kPa * 2047 / 3300 counts/mV = 16.75 counts/kPa
97 * 2.82V * 2047 / 3.3 counts/V = 1749 counts/115 kPa
100 public static final double counts_per_kPa = 27 * 2047 / 3300;
101 public static final double counts_at_101_3kPa = 1674.0;
104 barometer_to_pressure(double count)
106 return ((count / 16.0) / 2047.0 + 0.095) / 0.009 * 1000.0;
109 public double raw_pressure() {
112 return barometer_to_pressure(pres);
115 public double filtered_pressure() {
116 if (flight_pres == MISSING)
118 return barometer_to_pressure(flight_pres);
121 public double ground_pressure() {
122 if (ground_pres == MISSING)
124 return barometer_to_pressure(ground_pres);
127 public double raw_altitude() {
128 double p = raw_pressure();
131 return AltosConvert.pressure_to_altitude(p);
134 public double ground_altitude() {
135 double p = ground_pressure();
138 return AltosConvert.pressure_to_altitude(p);
141 public double filtered_altitude() {
142 if (height != MISSING && ground_pres != MISSING)
143 return height + ground_altitude();
145 double p = filtered_pressure();
148 return AltosConvert.pressure_to_altitude(p);
151 public double filtered_height() {
152 if (height != MISSING)
155 double f = filtered_altitude();
156 double g = ground_altitude();
157 if (f == MISSING || g == MISSING)
162 public double raw_height() {
163 double r = raw_altitude();
164 double g = ground_altitude();
166 if (r == MISSING || g == MISSING)
171 public double battery_voltage() {
174 return AltosConvert.cc_battery_to_voltage(batt);
177 public double main_voltage() {
180 return AltosConvert.cc_ignitor_to_voltage(main);
183 public double drogue_voltage() {
184 if (drogue == MISSING)
186 return AltosConvert.cc_ignitor_to_voltage(drogue);
189 /* Value for the CC1111 built-in temperature sensor
190 * Output voltage at 0°C = 0.755V
191 * Coefficient = 0.00247V/°C
192 * Reference voltage = 1.25V
194 * temp = ((value / 32767) * 1.25 - 0.755) / 0.00247
195 * = (value - 19791.268) / 32768 * 1.25 / 0.00247
199 thermometer_to_temperature(double thermo)
201 return (thermo - 19791.268) / 32728.0 * 1.25 / 0.00247;
204 public double temperature() {
207 return thermometer_to_temperature(temp);
210 public double accel_counts_per_mss() {
211 double counts_per_g = Math.abs(accel_minus_g - accel_plus_g) / 2;
213 return counts_per_g / 9.80665;
216 public double acceleration() {
217 if (acceleration != MISSING)
220 if (ground_accel == MISSING || accel == MISSING)
222 return (ground_accel - accel) / accel_counts_per_mss();
225 public double accel_speed() {
226 if (speed != MISSING)
228 if (flight_vel == MISSING)
230 return flight_vel / (accel_counts_per_mss() * 100.0);
233 public String state() {
234 return AltosLib.state_name(state);
237 public static String gets(FileInputStream s) throws IOException {
241 while ((c = s.read()) != -1) {
247 line = line + (char) c;
252 public int compareTo(AltosRecord o) {
253 return tick - o.tick;
256 public AltosRecord(AltosRecord old) {
257 version = old.version;
259 callsign = old.callsign;
272 flight_accel = old.flight_accel;
273 ground_accel = old.ground_accel;
274 flight_vel = old.flight_vel;
275 flight_pres = old.flight_pres;
276 ground_pres = old.ground_pres;
277 accel_plus_g = old.accel_plus_g;
278 accel_minus_g = old.accel_minus_g;
279 acceleration = old.acceleration;
282 gps = new AltosGPS(old.gps);
284 companion = old.companion;
289 public AltosRecord() {
297 state = AltosLib.ao_flight_startup;
312 acceleration = MISSING;
315 gps = new AltosGPS();