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 AltosTelemetryReader extends AltosReader {
26 LinkedList<AltosRecord> records;
28 Iterator<AltosRecord> record_iterator;
32 public AltosRecord read() throws IOException, ParseException {
34 if (!record_iterator.hasNext())
37 r = record_iterator.next();
38 r.time = (r.tick - boost_tick) / 100.0;
42 public AltosTelemetryReader (FileInputStream input) {
43 boolean saw_boost = false;
46 records = new LinkedList<AltosRecord> ();
50 String line = AltosRecord.gets(input);
55 AltosTelemetry record = new AltosTelemetry(line);
58 if (records.isEmpty()) {
59 current_tick = record.tick;
61 int tick = record.tick | (current_tick & ~ 0xffff);
62 if (tick < current_tick - 0x1000)
65 record.tick = current_tick;
67 if (!saw_boost && record.state >= Altos.ao_flight_boost)
70 boost_tick = record.tick;
73 } catch (ParseException pe) {
74 System.out.printf("parse exception %s\n", pe.getMessage());
75 } catch (AltosCRCException ce) {
76 System.out.printf("crc error\n");
79 } catch (IOException io) {
80 System.out.printf("io exception\n");
82 record_iterator = records.iterator();
85 } catch (IOException ie) {