+/*
+ * Copyright © 2011 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 org.altusmetrum.AltosLib;
+
+import java.io.*;
+import java.util.*;
+import java.text.*;
+import java.util.prefs.*;
+import java.util.concurrent.*;
+
+/*
+ * Extract a bit of information from an eeprom-stored flight log.
+ */
+
+public class AltosEepromLog {
+ public int serial;
+ public boolean has_flight;
+ public int flight;
+ public int start_block;
+ public int end_block;
+
+ public int year, month, day;
+
+ public boolean download;
+ public boolean delete;
+
+ public AltosEepromLog(AltosConfigData config_data,
+ AltosLink link,
+ int in_flight, int in_start_block,
+ int in_end_block)
+ throws InterruptedException, TimeoutException {
+
+ int block;
+ boolean has_date = false;
+
+ flight = in_flight;
+ if (flight != 0)
+ has_flight = true;
+ start_block = in_start_block;
+ end_block = in_end_block;
+ serial = config_data.serial;
+
+ /*
+ * By default, request that every log be downloaded but not deleted
+ */
+ download = true;
+ delete = false;
+
+ /*
+ * Look in TeleMetrum log data for date
+ */
+ if (config_data.log_format == AltosLib.AO_LOG_FORMAT_UNKNOWN ||
+ config_data.log_format == AltosLib.AO_LOG_FORMAT_FULL)
+ {
+ /*
+ * Only look in the first two blocks so that this
+ * process doesn't take a long time
+ */
+ if (in_end_block > in_start_block + 2)
+ in_end_block = in_start_block + 2;
+
+ for (block = in_start_block; block < in_end_block; block++) {
+ AltosEepromChunk eechunk = new AltosEepromChunk(link, block, block == in_start_block);
+
+ for (int i = 0; i < eechunk.chunk_size; i += AltosEepromRecord.record_length) {
+ try {
+ AltosEepromRecord r = new AltosEepromRecord(eechunk, i);
+
+ if (r.cmd == AltosLib.AO_LOG_FLIGHT) {
+ flight = r.b;
+ has_flight = true;
+ }
+ if (r.cmd == AltosLib.AO_LOG_GPS_DATE) {
+ year = 2000 + (r.a & 0xff);
+ month = (r.a >> 8) & 0xff;
+ day = (r.b & 0xff);
+ has_date = true;
+ }
+ } catch (ParseException pe) {
+ }
+ }
+ if (has_date && has_flight)
+ break;
+ }
+ }
+ }
+}