git.gag.com Git - fw/altos/blob - altosui/AltosDataPointReader.java

   1
   2 // Copyright (c) 2010 Anthony Towns
   3 // GPL v2 or later
   4
   5 package altosui;
   6
   7 import java.lang.UnsupportedOperationException;
   8 import java.util.NoSuchElementException;
   9 import java.util.Iterator;
  10 import org.altusmetrum.altoslib_1.*;
  11
  12 class AltosDataPointReader implements Iterable<AltosDataPoint> {
  13     Iterator<AltosRecord> iter;
  14     AltosState state;
  15     boolean has_gps;
  16     boolean has_accel;
  17     boolean has_ignite;
  18
  19     final static int MISSING = AltosRecord.MISSING;
  20
  21     public AltosDataPointReader(AltosRecordIterable reader) {
  22         this.iter = reader.iterator();
  23         this.state = null;
  24         has_accel = true;
  25         has_gps = reader.has_gps();
  26         has_ignite = reader.has_ignite();
  27     }
  28
  29     private void read_next_record()
  30         throws NoSuchElementException
  31     {
  32         state = new AltosState(iter.next(), state);
  33     }
  34
  35     private AltosDataPoint current_dp() {
  36         assert this.state != null;
  37
  38         return new AltosDataPoint() {
  39             public int version() { return state.data.version; }
  40             public int serial() { return state.data.serial; }
  41             public int flight() { return state.data.flight; }
  42             public String callsign() { return state.data.callsign; }
  43             public double time() { return state.data.time; }
  44             public double rssi() { return state.data.rssi; }
  45
  46             public int state() { return state.state; }
  47             public String state_name() { return state.data.state(); }
  48
  49             public double acceleration() { return state.acceleration; }
  50             public double height() { return state.height; }
  51             public double speed() { return state.speed(); }
  52             public double temperature() { return state.temperature; }
  53             public double battery_voltage() { return state.battery; }
  54             public double drogue_voltage() { return state.drogue_sense; }
  55             public double main_voltage() { return state.main_sense; }
  56             public boolean has_accel() { return true; } // return state.acceleration != AltosRecord.MISSING; }
  57         };
  58     }
  59
  60     public Iterator<AltosDataPoint> iterator() {
  61         return new Iterator<AltosDataPoint>() {
  62             public void remove() {
  63                 throw new UnsupportedOperationException();
  64             }
  65             public boolean hasNext() {
  66                 if (state != null && state.state == Altos.ao_flight_landed)
  67                     return false;
  68                 return iter.hasNext();
  69             }
  70             public AltosDataPoint next() {
  71                 do {
  72                     read_next_record();
  73                 } while (state.data.time < -1.0 && hasNext());
  74                 return current_dp();
  75             }
  76         };
  77     }
  78 }
  79