altoslib: When log-format is missing, use product
[fw/altos] / altoslib / AltosState.java
1 /*
2  * Copyright © 2010 Keith Packard <keithp@keithp.com>
3  *
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.
7  *
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.
12  *
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.
16  */
17
18 /*
19  * Track flight state from telemetry or eeprom data stream
20  */
21
22 package org.altusmetrum.altoslib_4;
23
24 public class AltosState implements Cloneable {
25
26         public static final int set_position = 1;
27         public static final int set_gps = 2;
28         public static final int set_data = 4;
29
30         public int set;
31
32         static final double ascent_filter_len = 0.5;
33         static final double descent_filter_len = 0.5;
34
35         /* derived data */
36
37         public long     received_time;
38
39         public double   time;
40         public double   prev_time;
41         public double   time_change;
42         public int      tick;
43         private int     prev_tick;
44         public int      boost_tick;
45
46         class AltosValue {
47                 private double  value;
48                 private double  prev_value;
49                 private double  max_value;
50                 private double  set_time;
51                 private double  prev_set_time;
52
53                 boolean can_max() { return true; }
54
55                 void set(double new_value, double time) {
56                         if (new_value != AltosLib.MISSING) {
57                                 value = new_value;
58                                 if (can_max() && (max_value == AltosLib.MISSING || value > max_value))
59                                         max_value = value;
60                                 set_time = time;
61                         }
62                 }
63
64                 void set_filtered(double new_value, double time) {
65                         if (prev_value != AltosLib.MISSING)
66                                 new_value = (prev_value * 15.0 + new_value) / 16.0;
67                         set(new_value, time);
68                 }
69
70                 double value() {
71                         return value;
72                 }
73
74                 double max() {
75                         return max_value;
76                 }
77
78                 double prev() {
79                         return prev_value;
80                 }
81
82                 double change() {
83                         if (value != AltosLib.MISSING && prev_value != AltosLib.MISSING)
84                                 return value - prev_value;
85                         return AltosLib.MISSING;
86                 }
87
88                 double rate() {
89                         double c = change();
90                         double t = set_time - prev_set_time;
91
92                         if (c != AltosLib.MISSING && t != 0)
93                                 return c / t;
94                         return AltosLib.MISSING;
95                 }
96
97                 double integrate() {
98                         if (value == AltosLib.MISSING)
99                                 return AltosLib.MISSING;
100                         if (prev_value == AltosLib.MISSING)
101                                 return AltosLib.MISSING;
102
103                         return (value + prev_value) / 2 * (set_time - prev_set_time);
104                 }
105
106                 double time() {
107                         return set_time;
108                 }
109
110                 void set_derivative(AltosValue in) {
111                         double  n = in.rate();
112
113                         if (n == AltosLib.MISSING)
114                                 return;
115
116                         double  p = prev_value;
117                         double  pt = prev_set_time;
118
119                         if (p == AltosLib.MISSING) {
120                                 p = 0;
121                                 pt = in.time() - 0.01;
122                         }
123
124                         /* Clip changes to reduce noise */
125                         double  ddt = in.time() - pt;
126                         double  ddv = (n - p) / ddt;
127
128                         final double max = 100000;
129
130                         /* 100gs */
131                         if (Math.abs(ddv) > max) {
132                                 if (n > p)
133                                         n = p + ddt * max;
134                                 else
135                                         n = p - ddt * max;
136                         }
137
138                         double filter_len;
139
140                         if (ascent)
141                                 filter_len = ascent_filter_len;
142                         else
143                                 filter_len = descent_filter_len;
144
145                         double f = 1/Math.exp(ddt/ filter_len);
146                         n = p * f + n * (1-f);
147
148                         set(n, in.time());
149                 }
150
151                 void set_integral(AltosValue in) {
152                         double  change = in.integrate();
153
154                         if (change != AltosLib.MISSING) {
155                                 double  prev = prev_value;
156                                 if (prev == AltosLib.MISSING)
157                                         prev = 0;
158                                 set(prev + change, in.time());
159                         }
160                 }
161
162                 void copy(AltosValue old) {
163                         value = old.value;
164                         set_time = old.set_time;
165                         prev_value = old.value;
166                         prev_set_time = old.set_time;
167                         max_value = old.max_value;
168                 }
169
170                 void finish_update() {
171                         prev_value = value;
172                         prev_set_time = set_time;
173                 }
174
175                 AltosValue() {
176                         value = AltosLib.MISSING;
177                         prev_value = AltosLib.MISSING;
178                         max_value = AltosLib.MISSING;
179                 }
180         }
181
182         class AltosCValue {
183                 AltosValue      measured;
184                 AltosValue      computed;
185
186                 double value() {
187                         double v = measured.value();
188                         if (v != AltosLib.MISSING)
189                                 return v;
190                         return computed.value();
191                 }
192
193                 boolean is_measured() {
194                         return measured.value() != AltosLib.MISSING;
195                 }
196
197                 double max() {
198                         double m = measured.max();
199
200                         if (m != AltosLib.MISSING)
201                                 return m;
202                         return computed.max();
203                 }
204
205                 double prev_value() {
206                         if (measured.value != AltosLib.MISSING && measured.prev_value != AltosLib.MISSING)
207                                 return measured.prev_value;
208                         return computed.prev_value;
209                 }
210
211                 AltosValue altos_value() {
212                         if (measured.value() != AltosLib.MISSING)
213                                 return measured;
214                         return computed;
215                 }
216
217                 double change() {
218                         double c = measured.change();
219                         if (c == AltosLib.MISSING)
220                                 c = computed.change();
221                         return c;
222                 }
223
224                 double rate() {
225                         double r = measured.rate();
226                         if (r == AltosLib.MISSING)
227                                 r = computed.rate();
228                         return r;
229                 }
230
231                 void set_measured(double new_value, double time) {
232                         measured.set(new_value, time);
233                 }
234
235                 void set_computed(double new_value, double time) {
236                         computed.set(new_value, time);
237                 }
238
239                 void set_derivative(AltosValue in) {
240                         computed.set_derivative(in);
241                 }
242
243                 void set_derivative(AltosCValue in) {
244                         set_derivative(in.altos_value());
245                 }
246
247                 void set_integral(AltosValue in) {
248                         computed.set_integral(in);
249                 }
250
251                 void set_integral(AltosCValue in) {
252                         set_integral(in.altos_value());
253                 }
254
255                 void copy(AltosCValue old) {
256                         measured.copy(old.measured);
257                         computed.copy(old.computed);
258                 }
259
260                 void finish_update() {
261                         measured.finish_update();
262                         computed.finish_update();
263                 }
264
265                 AltosCValue() {
266                         measured = new AltosValue();
267                         computed = new AltosValue();
268                 }
269         }
270
271         public int      state;
272         public int      flight;
273         public int      serial;
274         public int      receiver_serial;
275         public boolean  landed;
276         public boolean  ascent; /* going up? */
277         public boolean  boost;  /* under power */
278         public int      rssi;
279         public int      status;
280         public int      device_type;
281         public int      config_major;
282         public int      config_minor;
283         public int      apogee_delay;
284         public int      main_deploy;
285         public int      flight_log_max;
286
287         private double pressure_to_altitude(double p) {
288                 if (p == AltosLib.MISSING)
289                         return AltosLib.MISSING;
290                 return AltosConvert.pressure_to_altitude(p);
291         }
292
293         private AltosCValue ground_altitude;
294
295         public double ground_altitude() {
296                 return ground_altitude.value();
297         }
298
299         public void set_ground_altitude(double a) {
300                 ground_altitude.set_measured(a, time);
301         }
302
303         class AltosGpsGroundAltitude extends AltosValue {
304                 void set(double a, double t) {
305                         super.set(a, t);
306                         pad_alt = value();
307                         gps_altitude.set_gps_height();
308                 }
309
310                 void set_filtered(double a, double t) {
311                         super.set_filtered(a, t);
312                         pad_alt = value();
313                         gps_altitude.set_gps_height();
314                 }
315         }
316
317         private AltosGpsGroundAltitude gps_ground_altitude;
318
319         public double gps_ground_altitude() {
320                 return gps_ground_altitude.value();
321         }
322
323         public void set_gps_ground_altitude(double a) {
324                 gps_ground_altitude.set(a, time);
325         }
326
327         class AltosGroundPressure extends AltosCValue {
328                 void set_filtered(double p, double time) {
329                         computed.set_filtered(p, time);
330                         if (!is_measured())
331                                 ground_altitude.set_computed(pressure_to_altitude(computed.value()), time);
332                 }
333
334                 void set_measured(double p, double time) {
335                         super.set_measured(p, time);
336                         ground_altitude.set_computed(pressure_to_altitude(p), time);
337                 }
338         }
339
340         private AltosGroundPressure ground_pressure;
341
342         public double ground_pressure() {
343                 return ground_pressure.value();
344         }
345
346         public void set_ground_pressure (double pressure) {
347                 ground_pressure.set_measured(pressure, time);
348         }
349
350         class AltosAltitude extends AltosCValue {
351
352                 private void set_speed(AltosValue v) {
353                         if (!acceleration.is_measured() || !ascent)
354                                 speed.set_derivative(this);
355                 }
356
357                 void set_computed(double a, double time) {
358                         super.set_computed(a,time);
359                         set_speed(computed);
360                         set |= set_position;
361                 }
362
363                 void set_measured(double a, double time) {
364                         super.set_measured(a,time);
365                         set_speed(measured);
366                         set |= set_position;
367                 }
368         }
369
370         private AltosAltitude   altitude;
371
372         class AltosGpsAltitude extends AltosValue {
373
374                 private void set_gps_height() {
375                         double  a = value();
376                         double  g = gps_ground_altitude.value();
377
378                         if (a != AltosLib.MISSING && g != AltosLib.MISSING)
379                                 gps_height = a - g;
380                         else
381                                 gps_height = AltosLib.MISSING;
382                 }
383
384                 void set(double a, double t) {
385                         super.set(a, t);
386                         set_gps_height();
387                 }
388         }
389
390         private AltosGpsAltitude        gps_altitude;
391
392         public double altitude() {
393                 double a = altitude.value();
394                 if (a != AltosLib.MISSING)
395                         return a;
396                 return gps_altitude.value();
397         }
398
399         public double max_altitude() {
400                 double a = altitude.max();
401                 if (a != AltosLib.MISSING)
402                         return a;
403                 return gps_altitude.max();
404         }
405
406         public void set_altitude(double new_altitude) {
407                 altitude.set_measured(new_altitude, time);
408         }
409
410         public double gps_altitude() {
411                 return gps_altitude.value();
412         }
413
414         public double max_gps_altitude() {
415                 return gps_altitude.max();
416         }
417
418         public void set_gps_altitude(double new_gps_altitude) {
419                 gps_altitude.set(new_gps_altitude, time);
420         }
421
422         class AltosPressure extends AltosValue {
423                 void set(double p, double time) {
424                         super.set(p, time);
425                         if (state == AltosLib.ao_flight_pad)
426                                 ground_pressure.set_filtered(p, time);
427                         double a = pressure_to_altitude(p);
428                         altitude.set_computed(a, time);
429                 }
430         }
431
432         private AltosPressure   pressure;
433
434         public double pressure() {
435                 return pressure.value();
436         }
437
438         public void set_pressure(double p) {
439                 pressure.set(p, time);
440         }
441
442         public double height() {
443                 double k = kalman_height.value();
444                 if (k != AltosLib.MISSING)
445                         return k;
446
447                 double a = altitude();
448                 double g = ground_altitude();
449                 if (a != AltosLib.MISSING && g != AltosLib.MISSING)
450                         return a - g;
451                 return AltosLib.MISSING;
452         }
453
454         public double max_height() {
455                 double  k = kalman_height.max();
456                 if (k != AltosLib.MISSING)
457                         return k;
458
459                 double a = altitude.max();
460                 double g = ground_altitude();
461                 if (a != AltosLib.MISSING && g != AltosLib.MISSING)
462                         return a - g;
463                 return AltosLib.MISSING;
464         }
465
466         public double gps_height() {
467                 double a = gps_altitude();
468                 double g = gps_ground_altitude();
469
470                 if (a != AltosLib.MISSING && g != AltosLib.MISSING)
471                         return a - g;
472                 return AltosLib.MISSING;
473         }
474
475         public double max_gps_height() {
476                 double a = gps_altitude.max();
477                 double g = gps_ground_altitude();
478
479                 if (a != AltosLib.MISSING && g != AltosLib.MISSING)
480                         return a - g;
481                 return AltosLib.MISSING;
482         }
483
484         class AltosSpeed extends AltosCValue {
485
486                 boolean can_max() {
487                         return state < AltosLib.ao_flight_fast;
488                 }
489
490                 void set_accel() {
491                         acceleration.set_derivative(this);
492                 }
493
494                 void set_derivative(AltosCValue in) {
495                         super.set_derivative(in);
496                         set_accel();
497                 }
498
499                 void set_computed(double new_value, double time) {
500                         super.set_computed(new_value, time);
501                         set_accel();
502                 }
503
504                 void set_measured(double new_value, double time) {
505                         super.set_measured(new_value, time);
506                         set_accel();
507                 }
508         }
509
510         private AltosSpeed speed;
511
512         public double speed() {
513                 double v = kalman_speed.value();
514                 if (v != AltosLib.MISSING)
515                         return v;
516                 return speed.value();
517         }
518
519         public double max_speed() {
520                 double v = kalman_speed.max();
521                 if (v != AltosLib.MISSING)
522                         return v;
523                 return speed.max();
524         }
525
526         class AltosAccel extends AltosCValue {
527
528                 boolean can_max() {
529                         return state < AltosLib.ao_flight_fast;
530                 }
531
532                 void set_measured(double a, double time) {
533                         super.set_measured(a, time);
534                         if (ascent)
535                                 speed.set_integral(this.measured);
536                 }
537         }
538
539         AltosAccel acceleration;
540
541         public double acceleration() {
542                 return acceleration.value();
543         }
544
545         public double max_acceleration() {
546                 return acceleration.max();
547         }
548
549         public AltosValue       orient;
550
551         public void set_orient(double new_orient) {
552                 orient.set(new_orient, time);
553         }
554
555         public double orient() {
556                 return orient.value();
557         }
558
559         public double max_orient() {
560                 return orient.max();
561         }
562
563         public AltosValue       kalman_height, kalman_speed, kalman_acceleration;
564
565         public void set_kalman(double height, double speed, double acceleration) {
566                 kalman_height.set(height, time);
567                 kalman_speed.set(speed, time);
568                 kalman_acceleration.set(acceleration, time);
569         }
570
571         public double   battery_voltage;
572         public double   pyro_voltage;
573         public double   temperature;
574         public double   apogee_voltage;
575         public double   main_voltage;
576
577         public double   ignitor_voltage[];
578
579         public AltosGPS gps;
580         public AltosGPS temp_gps;
581         public int temp_gps_sat_tick;
582         public boolean  gps_pending;
583         public int gps_sequence;
584
585         public AltosIMU imu;
586         public AltosMag mag;
587
588         public static final int MIN_PAD_SAMPLES = 10;
589
590         public int      npad;
591         public int      gps_waiting;
592         public boolean  gps_ready;
593
594         public int      ngps;
595
596         public AltosGreatCircle from_pad;
597         public double   elevation;      /* from pad */
598         public double   range;          /* total distance */
599
600         public double   gps_height;
601
602         public double pad_lat, pad_lon, pad_alt;
603
604         public int      speak_tick;
605         public double   speak_altitude;
606
607         public String   callsign;
608         public String   firmware_version;
609
610         public double   accel_plus_g;
611         public double   accel_minus_g;
612         public double   accel;
613         public double   ground_accel;
614         public double   ground_accel_avg;
615
616         public int      log_format;
617         public String   product;
618
619         public AltosMs5607      baro;
620
621         public AltosCompanion   companion;
622
623         public int      pyro_fired;
624
625         public void set_npad(int npad) {
626                 this.npad = npad;
627                 gps_waiting = MIN_PAD_SAMPLES - npad;
628                 if (this.gps_waiting < 0)
629                         gps_waiting = 0;
630                 gps_ready = gps_waiting == 0;
631         }
632
633         public void init() {
634                 set = 0;
635
636                 received_time = System.currentTimeMillis();
637                 time = AltosLib.MISSING;
638                 time_change = AltosLib.MISSING;
639                 prev_time = AltosLib.MISSING;
640                 tick = AltosLib.MISSING;
641                 prev_tick = AltosLib.MISSING;
642                 boost_tick = AltosLib.MISSING;
643                 state = AltosLib.ao_flight_invalid;
644                 flight = AltosLib.MISSING;
645                 landed = false;
646                 boost = false;
647                 rssi = AltosLib.MISSING;
648                 status = 0;
649                 device_type = AltosLib.MISSING;
650                 config_major = AltosLib.MISSING;
651                 config_minor = AltosLib.MISSING;
652                 apogee_delay = AltosLib.MISSING;
653                 main_deploy = AltosLib.MISSING;
654                 flight_log_max = AltosLib.MISSING;
655
656                 ground_altitude = new AltosCValue();
657                 ground_pressure = new AltosGroundPressure();
658                 altitude = new AltosAltitude();
659                 pressure = new AltosPressure();
660                 speed = new AltosSpeed();
661                 acceleration = new AltosAccel();
662                 orient = new AltosValue();
663
664                 temperature = AltosLib.MISSING;
665                 battery_voltage = AltosLib.MISSING;
666                 pyro_voltage = AltosLib.MISSING;
667                 apogee_voltage = AltosLib.MISSING;
668                 main_voltage = AltosLib.MISSING;
669                 ignitor_voltage = null;
670
671                 kalman_height = new AltosValue();
672                 kalman_speed = new AltosValue();
673                 kalman_acceleration = new AltosValue();
674
675                 gps = null;
676                 temp_gps = null;
677                 temp_gps_sat_tick = 0;
678                 gps_sequence = 0;
679                 gps_pending = false;
680
681                 imu = null;
682                 mag = null;
683
684                 set_npad(0);
685                 ngps = 0;
686
687                 from_pad = null;
688                 elevation = AltosLib.MISSING;
689                 range = AltosLib.MISSING;
690                 gps_height = AltosLib.MISSING;
691
692                 pad_lat = AltosLib.MISSING;
693                 pad_lon = AltosLib.MISSING;
694                 pad_alt = AltosLib.MISSING;
695
696                 gps_altitude = new AltosGpsAltitude();
697                 gps_ground_altitude = new AltosGpsGroundAltitude();
698
699                 speak_tick = AltosLib.MISSING;
700                 speak_altitude = AltosLib.MISSING;
701
702                 callsign = null;
703
704                 accel_plus_g = AltosLib.MISSING;
705                 accel_minus_g = AltosLib.MISSING;
706                 accel = AltosLib.MISSING;
707
708                 ground_accel = AltosLib.MISSING;
709                 ground_accel_avg = AltosLib.MISSING;
710
711                 log_format = AltosLib.MISSING;
712                 product = null;
713                 serial = AltosLib.MISSING;
714                 receiver_serial = AltosLib.MISSING;
715
716                 baro = null;
717                 companion = null;
718
719                 pyro_fired = 0;
720         }
721
722         void finish_update() {
723                 prev_tick = tick;
724
725                 ground_altitude.finish_update();
726                 altitude.finish_update();
727                 pressure.finish_update();
728                 speed.finish_update();
729                 acceleration.finish_update();
730                 orient.finish_update();
731
732                 kalman_height.finish_update();
733                 kalman_speed.finish_update();
734                 kalman_acceleration.finish_update();
735         }
736
737         void copy(AltosState old) {
738
739                 if (old == null) {
740                         init();
741                         return;
742                 }
743
744                 received_time = old.received_time;
745                 time = old.time;
746                 time_change = old.time_change;
747                 prev_time = old.time;
748
749                 tick = old.tick;
750                 prev_tick = old.tick;
751                 boost_tick = old.boost_tick;
752
753                 state = old.state;
754                 flight = old.flight;
755                 landed = old.landed;
756                 ascent = old.ascent;
757                 boost = old.boost;
758                 rssi = old.rssi;
759                 status = old.status;
760                 device_type = old.device_type;
761                 config_major = old.config_major;
762                 config_minor = old.config_minor;
763                 apogee_delay = old.apogee_delay;
764                 main_deploy = old.main_deploy;
765                 flight_log_max = old.flight_log_max;
766
767                 set = 0;
768
769                 ground_pressure.copy(old.ground_pressure);
770                 ground_altitude.copy(old.ground_altitude);
771                 altitude.copy(old.altitude);
772                 pressure.copy(old.pressure);
773                 speed.copy(old.speed);
774                 acceleration.copy(old.acceleration);
775                 orient.copy(old.orient);
776
777                 battery_voltage = old.battery_voltage;
778                 pyro_voltage = old.pyro_voltage;
779                 temperature = old.temperature;
780                 apogee_voltage = old.apogee_voltage;
781                 main_voltage = old.main_voltage;
782                 ignitor_voltage = old.ignitor_voltage;
783
784                 kalman_height.copy(old.kalman_height);
785                 kalman_speed.copy(old.kalman_speed);
786                 kalman_acceleration.copy(old.kalman_acceleration);
787
788                 if (old.gps != null)
789                         gps = old.gps.clone();
790                 else
791                         gps = null;
792                 if (old.temp_gps != null)
793                         temp_gps = old.temp_gps.clone();
794                 else
795                         temp_gps = null;
796                 temp_gps_sat_tick = old.temp_gps_sat_tick;
797                 gps_sequence = old.gps_sequence;
798                 gps_pending = old.gps_pending;
799
800                 if (old.imu != null)
801                         imu = old.imu.clone();
802                 else
803                         imu = null;
804
805                 if (old.mag != null)
806                         mag = old.mag.clone();
807                 else
808                         mag = null;
809
810                 npad = old.npad;
811                 gps_waiting = old.gps_waiting;
812                 gps_ready = old.gps_ready;
813                 ngps = old.ngps;
814
815                 if (old.from_pad != null)
816                         from_pad = old.from_pad.clone();
817                 else
818                         from_pad = null;
819
820                 elevation = old.elevation;
821                 range = old.range;
822
823                 gps_height = old.gps_height;
824
825                 gps_altitude.copy(old.gps_altitude);
826                 gps_ground_altitude.copy(old.gps_ground_altitude);
827
828                 pad_lat = old.pad_lat;
829                 pad_lon = old.pad_lon;
830                 pad_alt = old.pad_alt;
831
832                 speak_tick = old.speak_tick;
833                 speak_altitude = old.speak_altitude;
834
835                 callsign = old.callsign;
836
837                 accel_plus_g = old.accel_plus_g;
838                 accel_minus_g = old.accel_minus_g;
839                 accel = old.accel;
840                 ground_accel = old.ground_accel;
841                 ground_accel_avg = old.ground_accel_avg;
842
843                 log_format = old.log_format;
844                 product = old.product;
845                 serial = old.serial;
846                 receiver_serial = old.receiver_serial;
847
848                 baro = old.baro;
849                 companion = old.companion;
850
851                 pyro_fired = old.pyro_fired;
852         }
853
854         void update_time() {
855         }
856
857         void update_gps() {
858                 elevation = 0;
859                 range = -1;
860
861                 if (gps == null)
862                         return;
863
864                 if (gps.locked && gps.nsat >= 4) {
865                         /* Track consecutive 'good' gps reports, waiting for 10 of them */
866                         if (state == AltosLib.ao_flight_pad) {
867                                 set_npad(npad+1);
868                                 if (pad_lat != AltosLib.MISSING) {
869                                         pad_lat = (pad_lat * 31 + gps.lat) / 32;
870                                         pad_lon = (pad_lon * 31 + gps.lon) / 32;
871                                         gps_ground_altitude.set_filtered(gps.alt, time);
872                                 }
873                         }
874                         if (pad_lat == AltosLib.MISSING) {
875                                 pad_lat = gps.lat;
876                                 pad_lon = gps.lon;
877                                 gps_ground_altitude.set(gps.alt, time);
878                         }
879                         gps_altitude.set(gps.alt, time);
880                 }
881                 if (gps.lat != 0 && gps.lon != 0 &&
882                     pad_lat != AltosLib.MISSING &&
883                     pad_lon != AltosLib.MISSING)
884                 {
885                         double h = height();
886
887                         if (h == AltosLib.MISSING)
888                                 h = 0;
889                         from_pad = new AltosGreatCircle(pad_lat, pad_lon, 0, gps.lat, gps.lon, h);
890                         elevation = from_pad.elevation;
891                         range = from_pad.range;
892                 }
893         }
894
895         public void set_tick(int new_tick) {
896                 if (new_tick != AltosLib.MISSING) {
897                         if (prev_tick != AltosLib.MISSING) {
898                                 while (new_tick < prev_tick - 1000) {
899                                         new_tick += 65536;
900                                 }
901                         }
902                         tick = new_tick;
903                         time = tick / 100.0;
904                         time_change = time - prev_time;
905                 }
906         }
907
908         public void set_boost_tick(int boost_tick) {
909                 if (boost_tick != AltosLib.MISSING)
910                         this.boost_tick = boost_tick;
911         }
912
913         public String state_name() {
914                 return AltosLib.state_name(state);
915         }
916
917         public void set_state(int state) {
918                 if (state != AltosLib.ao_flight_invalid) {
919                         this.state = state;
920                         ascent = (AltosLib.ao_flight_boost <= state &&
921                                   state <= AltosLib.ao_flight_coast);
922                         boost = (AltosLib.ao_flight_boost == state);
923                 }
924
925         }
926
927         public void set_device_type(int device_type) {
928                 this.device_type = device_type;
929         }
930
931         public void set_config(int major, int minor, int apogee_delay, int main_deploy, int flight_log_max) {
932                 config_major = major;
933                 config_minor = minor;
934                 this.apogee_delay = apogee_delay;
935                 this.main_deploy = main_deploy;
936                 this.flight_log_max = flight_log_max;
937         }
938
939         public void set_callsign(String callsign) {
940                 this.callsign = callsign;
941         }
942
943         public void set_firmware_version(String version) {
944                 firmware_version = version;
945         }
946
947         public void set_flight(int flight) {
948
949                 /* When the flight changes, reset the state */
950                 if (flight != AltosLib.MISSING && flight != 0) {
951                         if (this.flight != AltosLib.MISSING &&
952                             this.flight != flight) {
953                                 int bt = boost_tick;
954                                 init();
955                                 boost_tick = bt;
956                         }
957                         this.flight = flight;
958                 }
959         }
960
961         public void set_serial(int serial) {
962                 /* When the serial changes, reset the state */
963                 if (serial != AltosLib.MISSING) {
964                         if (this.serial != AltosLib.MISSING &&
965                             this.serial != serial) {
966                                 int bt = boost_tick;
967                                 init();
968                                 boost_tick = bt;
969                         }
970                         this.serial = serial;
971                 }
972         }
973
974         public void set_receiver_serial(int serial) {
975                 if (serial != AltosLib.MISSING)
976                         receiver_serial = serial;
977         }
978
979         public int rssi() {
980                 if (rssi == AltosLib.MISSING)
981                         return 0;
982                 return rssi;
983         }
984
985         public void set_rssi(int rssi, int status) {
986                 if (rssi != AltosLib.MISSING) {
987                         this.rssi = rssi;
988                         this.status = status;
989                 }
990         }
991
992         public void set_received_time(long ms) {
993                 received_time = ms;
994         }
995
996         public void set_gps(AltosGPS gps, int sequence) {
997                 if (gps != null) {
998                         this.gps = gps.clone();
999                         gps_sequence = sequence;
1000                         update_gps();
1001                         set |= set_gps;
1002                 }
1003         }
1004
1005         public void set_imu(AltosIMU imu) {
1006                 if (imu != null)
1007                         imu = imu.clone();
1008                 this.imu = imu;
1009         }
1010
1011         public void set_mag(AltosMag mag) {
1012                 this.mag = mag.clone();
1013         }
1014
1015         public AltosMs5607 make_baro() {
1016                 if (baro == null)
1017                         baro = new AltosMs5607();
1018                 return baro;
1019         }
1020
1021         public void set_ms5607(AltosMs5607 ms5607) {
1022                 baro = ms5607;
1023
1024                 if (baro != null) {
1025                         set_pressure(baro.pa);
1026                         set_temperature(baro.cc / 100.0);
1027                 }
1028         }
1029
1030         public void set_ms5607(int pres, int temp) {
1031                 if (baro != null) {
1032                         baro.set(pres, temp);
1033
1034                         set_pressure(baro.pa);
1035                         set_temperature(baro.cc / 100.0);
1036                 }
1037         }
1038
1039         public void make_companion (int nchannels) {
1040                 if (companion == null)
1041                         companion = new AltosCompanion(nchannels);
1042         }
1043
1044         public void set_companion(AltosCompanion companion) {
1045                 this.companion = companion;
1046         }
1047
1048         void update_accel() {
1049                 if (accel == AltosLib.MISSING)
1050                         return;
1051                 if (accel_plus_g == AltosLib.MISSING)
1052                         return;
1053                 if (accel_minus_g == AltosLib.MISSING)
1054                         return;
1055
1056                 double counts_per_g = (accel_minus_g - accel_plus_g) / 2.0;
1057                 double counts_per_mss = counts_per_g / 9.80665;
1058                 acceleration.set_measured((accel_plus_g - accel) / counts_per_mss, time);
1059         }
1060
1061         public void set_accel_g(double accel_plus_g, double accel_minus_g) {
1062                 if (accel_plus_g != AltosLib.MISSING) {
1063                         this.accel_plus_g = accel_plus_g;
1064                         this.accel_minus_g = accel_minus_g;
1065                         update_accel();
1066                 }
1067         }
1068
1069         public void set_ground_accel(double ground_accel) {
1070                 if (ground_accel != AltosLib.MISSING)
1071                         this.ground_accel = ground_accel;
1072         }
1073
1074         public void set_accel(double accel) {
1075                 if (accel != AltosLib.MISSING) {
1076                         this.accel = accel;
1077                         if (state == AltosLib.ao_flight_pad) {
1078                                 if (ground_accel_avg == AltosLib.MISSING)
1079                                         ground_accel_avg = accel;
1080                                 else
1081                                         ground_accel_avg = (ground_accel_avg * 7 + accel) / 8;
1082                         }
1083                 }
1084                 update_accel();
1085         }
1086
1087         public void set_temperature(double temperature) {
1088                 if (temperature != AltosLib.MISSING) {
1089                         this.temperature = temperature;
1090                         set |= set_data;
1091                 }
1092         }
1093
1094         public void set_battery_voltage(double battery_voltage) {
1095                 if (battery_voltage != AltosLib.MISSING) {
1096                         this.battery_voltage = battery_voltage;
1097                         set |= set_data;
1098                 }
1099         }
1100
1101         public void set_pyro_voltage(double pyro_voltage) {
1102                 if (pyro_voltage != AltosLib.MISSING) {
1103                         this.pyro_voltage = pyro_voltage;
1104                         set |= set_data;
1105                 }
1106         }
1107
1108         public void set_apogee_voltage(double apogee_voltage) {
1109                 if (apogee_voltage != AltosLib.MISSING) {
1110                         this.apogee_voltage = apogee_voltage;
1111                         set |= set_data;
1112                 }
1113         }
1114
1115         public void set_main_voltage(double main_voltage) {
1116                 if (main_voltage != AltosLib.MISSING) {
1117                         this.main_voltage = main_voltage;
1118                         set |= set_data;
1119                 }
1120         }
1121
1122         public void set_ignitor_voltage(double[] voltage) {
1123                 this.ignitor_voltage = voltage;
1124         }
1125
1126         public void set_pyro_fired(int fired) {
1127                 this.pyro_fired = fired;
1128         }
1129
1130         public double time_since_boost() {
1131                 if (tick == AltosLib.MISSING)
1132                         return 0.0;
1133
1134                 if (boost_tick == AltosLib.MISSING)
1135                         return tick / 100.0;
1136                 return (tick - boost_tick) / 100.0;
1137         }
1138
1139         public boolean valid() {
1140                 return tick != AltosLib.MISSING && serial != AltosLib.MISSING;
1141         }
1142
1143         public AltosGPS make_temp_gps(boolean sats) {
1144                 if (temp_gps == null) {
1145                         temp_gps = new AltosGPS(gps);
1146                 }
1147                 gps_pending = true;
1148                 if (sats) {
1149                         if (tick != temp_gps_sat_tick)
1150                                 temp_gps.cc_gps_sat = null;
1151                         temp_gps_sat_tick = tick;
1152                 }
1153                 return temp_gps;
1154         }
1155
1156         public void set_temp_gps() {
1157                 set_gps(temp_gps, gps_sequence + 1);
1158                 gps_pending = false;
1159                 temp_gps = null;
1160         }
1161
1162         public AltosState clone() {
1163                 AltosState s = new AltosState();
1164                 s.copy(this);
1165                 return s;
1166         }
1167
1168         public AltosState () {
1169                 init();
1170         }
1171 }