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.*;
  11
  12 class AltosDataPointReader implements Iterable<AltosDataPoint> {
  13     Iterator<AltosRecord> iter;
  14     AltosState state;
  15     AltosRecord record;
  16     boolean has_gps;
  17     boolean has_accel;
  18     boolean has_ignite;
  19
  20     final static int MISSING = AltosRecord.MISSING;
  21
  22     public AltosDataPointReader(AltosRecordIterable reader) {
  23         this.iter = reader.iterator();
  24         this.state = null;
  25         has_accel = reader.has_accel();
  26         has_gps = reader.has_gps();
  27         has_ignite = reader.has_ignite();
  28     }
  29
  30     private void read_next_record()
  31         throws NoSuchElementException
  32     {
  33         record = iter.next();
  34         state = new AltosState(record, state);
  35     }
  36
  37     private AltosDataPoint current_dp() {
  38         assert this.record != null;
  39
  40         return new AltosDataPoint() {
  41             public int version() { return record.version; }
  42             public int serial() { return record.serial; }
  43             public int flight() { return record.flight; }
  44             public String callsign() { return record.callsign; }
  45             public double time() { return record.time; }
  46             public double rssi() { return record.rssi; }
  47
  48             public int state() { return record.state; }
  49             public String state_name() { return record.state(); }
  50
  51             public double acceleration() { return record.acceleration(); }
  52             public double pressure() { return record.raw_pressure(); }
  53             public double altitude() { return record.raw_altitude(); }
  54             public double height() { return record.raw_height(); }
  55             public double accel_speed() { return record.accel_speed(); }
  56             public double baro_speed() { return state.baro_speed; }
  57             public double temperature() { return record.temperature(); }
  58             public double battery_voltage() { return record.battery_voltage(); }
  59             public double drogue_voltage() { return record.drogue_voltage(); }
  60             public double main_voltage() { return record.main_voltage(); }
  61             public boolean has_accel() { return has_accel; }
  62         };
  63     }
  64
  65     public Iterator<AltosDataPoint> iterator() {
  66         return new Iterator<AltosDataPoint>() {
  67             public void remove() {
  68                 throw new UnsupportedOperationException();
  69             }
  70             public boolean hasNext() {
  71                 if (record != null && record.state == Altos.ao_flight_landed)
  72                     return false;
  73                 return iter.hasNext();
  74             }
  75             public AltosDataPoint next() {
  76                 do {
  77                     read_next_record();
  78                 } while (record.time < -1.0 && hasNext());
  79                 return current_dp();
  80             }
  81         };
  82     }
  83 }
  84