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.
23 import altosui.AltosTelemetry;
25 public class AltosTelemetryIterable extends AltosRecordIterable {
26 LinkedList<AltosRecord> records;
28 public Iterator<AltosRecord> iterator () {
29 return records.iterator();
32 public AltosTelemetryIterable (FileInputStream input) {
33 boolean saw_boost = false;
37 records = new LinkedList<AltosRecord> ();
41 String line = AltosRecord.gets(input);
46 AltosTelemetry record = new AltosTelemetry(line);
49 if (records.isEmpty()) {
50 current_tick = record.tick;
52 int tick = record.tick | (current_tick & ~ 0xffff);
53 if (tick < current_tick - 0x1000)
56 record.tick = current_tick;
58 if (!saw_boost && record.state >= Altos.ao_flight_boost)
61 boost_tick = record.tick;
64 } catch (ParseException pe) {
65 System.out.printf("parse exception %s\n", pe.getMessage());
66 } catch (AltosCRCException ce) {
67 System.out.printf("crc error\n");
70 } catch (IOException io) {
71 System.out.printf("io exception\n");
74 /* adjust all tick counts to be relative to boost time */
75 for (AltosRecord r : this)
76 r.time = (r.tick - boost_tick) / 100.0;
80 } catch (IOException ie) {