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.io.IOException;
   8 import java.text.ParseException;
   9 import java.lang.UnsupportedOperationException;
  10 import java.util.NoSuchElementException;
  11 import java.util.Iterator;
  12
  13 class AltosDataPointReader implements Iterable<AltosDataPoint> {
  14     Iterator<AltosRecord> iter;
  15     AltosState state;
  16     AltosRecord record;
  17     boolean has_gps;
  18     boolean has_accel;
  19     boolean has_ignite;
  20
  21     final static int MISSING = AltosRecord.MISSING;
  22
  23     public AltosDataPointReader(AltosRecordIterable reader) {
  24         this.iter = reader.iterator();
  25         this.state = null;
  26         has_accel = reader.has_accel();
  27         has_gps = reader.has_gps();
  28         has_ignite = reader.has_ignite();
  29     }
  30
  31     private void read_next_record()
  32         throws NoSuchElementException
  33     {
  34         record = iter.next();
  35         state = new AltosState(record, state);
  36     }
  37
  38     private AltosDataPoint current_dp() {
  39         assert this.record != null;
  40
  41         return new AltosDataPoint() {
  42             public int version() { return record.version; }
  43             public int serial() { return record.serial; }
  44             public int flight() { return record.flight; }
  45             public String callsign() { return record.callsign; }
  46             public double time() { return record.time; }
  47             public double rssi() { return record.rssi; }
  48
  49             public int state() { return record.state; }
  50             public String state_name() { return record.state(); }
  51
  52             public double acceleration() { return record.acceleration(); }
  53             public double pressure() { return record.raw_pressure(); }
  54             public double altitude() { return record.raw_altitude(); }
  55             public double height() { return record.raw_height(); }
  56             public double accel_speed() { return record.accel_speed(); }
  57             public double baro_speed() { return state.baro_speed; }
  58             public double temperature() { return record.temperature(); }
  59             public double battery_voltage() { return record.battery_voltage(); }
  60             public double drogue_voltage() { return record.drogue_voltage(); }
  61             public double main_voltage() { return record.main_voltage(); }
  62             public boolean has_accel() { return has_accel; }
  63         };
  64     }
  65
  66     public Iterator<AltosDataPoint> iterator() {
  67         return new Iterator<AltosDataPoint>() {
  68             public void remove() {
  69                 throw new UnsupportedOperationException();
  70             }
  71             public boolean hasNext() {
  72                 if (record != null && record.state == Altos.ao_flight_landed)
  73                     return false;
  74                 return iter.hasNext();
  75             }
  76             public AltosDataPoint next() {
  77                 do {
  78                     read_next_record();
  79                 } while (record.time < -1.0 && hasNext());
  80                 return current_dp();
  81             }
  82         };
  83     }
  84 }
  85