altosui: Start adding code to write csv files from eeprom/telem files

[fw/altos] / ao-tools / altosui / AltosTelemetryReader.java

diff --git a/ao-tools/altosui/AltosTelemetryReader.java b/ao-tools/altosui/AltosTelemetryReader.java
new file mode 100644 (file)
index 0000000..f1f6788
--- /dev/null
+++ b/ao-tools/altosui/AltosTelemetryReader.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright © 2010 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package altosui;
+
+import java.io.*;
+import java.util.*;
+import java.text.*;
+import altosui.AltosTelemetry;
+
+public class AltosTelemetryReader extends AltosReader {
+       LinkedList<AltosRecord> records;
+
+       Iterator<AltosRecord> record_iterator;
+
+       int     boost_tick;
+
+       public AltosRecord read() throws IOException, ParseException {
+               AltosRecord     r;
+               if (!record_iterator.hasNext())
+                       return null;
+
+               r = record_iterator.next();
+               r.time = (r.tick - boost_tick) / 100.0;
+               return r;
+       }
+
+       public AltosTelemetryReader (FileInputStream input) {
+               boolean saw_boost = false;
+
+               records = new LinkedList<AltosRecord> ();
+
+               try {
+                       for (;;) {
+                               String line = AltosRecord.gets(input);
+                               if (line == null)
+                                       break;
+                               AltosTelemetry record = new AltosTelemetry(line);
+                               if (record == null)
+                                       break;
+                               if (!saw_boost && record.state >= Altos.ao_flight_boost)
+                               {
+                                       saw_boost = true;
+                                       boost_tick = record.tick;
+                               }
+                               records.add(record);
+                       }
+               } catch (IOException io) {
+               } catch (ParseException pe) {
+               }
+               record_iterator = records.iterator();
+               try {
+                       input.close();
+               } catch (IOException ie) {
+               }
+       }
+}