altoslib: Add new eeprom management code

Generic .eeprom file parsing, simpler per-type eeprom data extraction.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 121 insertions, 0 deletions

diff --git a/altoslib/AltosEepromRecordSet.java b/altoslib/AltosEepromRecordSet.java
new file mode 100644
index 00000000..000d9c02
--- /dev/null
+++ b/altoslib/AltosEepromRecordSet.java
@@ -0,0 +1,121 @@
+/*
+ * Copyright © 2017 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, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ */
+
+package org.altusmetrum.altoslib_11;
+
+import java.io.*;
+import java.util.*;
+
+public class AltosEepromRecordSet implements Iterable<AltosState> {
+	TreeSet<AltosEepromRecord>	ordered;
+	AltosState			start_state;
+
+	class RecordIterator implements Iterator<AltosState> {
+		Iterator<AltosEepromRecord> riterator;
+		AltosState state;
+		boolean started;
+
+		public boolean hasNext() {
+			return state == null || riterator.hasNext();
+		}
+
+		public AltosState next() {
+			if (state == null)
+				state = start_state.clone();
+			else {
+				state = state.clone();
+				AltosEepromRecord	r = riterator.next();
+				r.update_state(state);
+			}
+			return state;
+		}
+
+		public RecordIterator() {
+			riterator = ordered.iterator();
+			state = null;
+		}
+	}
+
+	public Iterator<AltosState> iterator() {
+		return new RecordIterator();
+	}
+
+	public AltosEepromRecordSet(AltosEepromNew eeprom) {
+		AltosConfigData 	config_data = eeprom.config_data();
+
+		AltosEepromRecord	record = null;
+
+		switch (config_data.log_format) {
+		case AltosLib.AO_LOG_FORMAT_FULL:
+			record = new AltosEepromRecordFull(eeprom);
+			break;
+		case AltosLib.AO_LOG_FORMAT_TINY:
+			record = new AltosEepromRecordTiny(eeprom);
+			break;
+		case AltosLib.AO_LOG_FORMAT_TELEMETRY:
+		case AltosLib.AO_LOG_FORMAT_TELESCIENCE:
+		case AltosLib.AO_LOG_FORMAT_TELEMEGA:
+		case AltosLib.AO_LOG_FORMAT_TELEMEGA_OLD:
+			record = new AltosEepromRecordMega(eeprom);
+			break;
+		case AltosLib.AO_LOG_FORMAT_TELEMETRUM:
+			record = new AltosEepromRecordMetrum(eeprom);
+			break;
+		case AltosLib.AO_LOG_FORMAT_TELEMINI2:
+		case AltosLib.AO_LOG_FORMAT_TELEMINI3:
+		case AltosLib.AO_LOG_FORMAT_EASYMINI:
+			record = new AltosEepromRecordMini(eeprom);
+			break;
+		case AltosLib.AO_LOG_FORMAT_TELEGPS:
+			record = new AltosEepromRecordGps(eeprom);
+			break;
+		case AltosLib.AO_LOG_FORMAT_TELEFIRETWO:
+			record = new AltosEepromRecordFireTwo(eeprom);
+			break;
+		}
+
+		if (record == null) {
+			System.out.printf("failed to parse log format %d\n", config_data.log_format);
+			return;
+		}
+		ordered = new TreeSet<AltosEepromRecord>();
+		int	tick = 0;
+		boolean first = true;
+
+		start_state = new AltosState();
+		start_state.set_config_data(record.eeprom.config_data());
+
+		for (;;) {
+			int	t = record.tick();
+
+			if (first) {
+				tick = t;
+				first = false;
+			} else {
+				while (t < tick - 32767)
+					t += 65536;
+				tick = t;
+			}
+			record.wide_tick = tick;
+			ordered.add(record);
+			if (!record.hasNext())
+				break;
+			record = record.next();
+		}
+	}
+
+	public AltosEepromRecordSet(Reader input) throws IOException {
+		this(new AltosEepromNew(input));
+	}
+}