--- /dev/null
+/*
+ * 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.lang.*;
+import java.text.*;
+import java.util.HashMap;
+
+/*
+ * Telemetry data contents
+ */
+
+
+/*
+ * The telemetry data stream is a bit of a mess at present, with no consistent
+ * formatting. In particular, the GPS data is formatted for viewing instead of parsing.
+ * However, the key feature is that every telemetry line contains all of the information
+ * necessary to describe the current rocket state, including the calibration values
+ * for accelerometer and barometer.
+ *
+ * GPS unlocked:
+ *
+ * VERSION 2 CALL KB0G SERIAL 51 FLIGHT 2 RSSI -68 STATUS ff STATE pad 1001 \
+ * a: 16032 p: 21232 t: 20284 v: 25160 d: 204 m: 204 fa: 16038 ga: 16032 fv: 0 \
+ * fp: 21232 gp: 21230 a+: 16049 a-: 16304 GPS 0 sat unlocked SAT 1 15 30
+ *
+ * GPS locked:
+ *
+ * VERSION 2 CALL KB0G SERIAL 51 FLIGHT 2 RSSI -71 STATUS ff STATE pad 2504 \
+ * a: 16028 p: 21220 t: 20360 v: 25004 d: 208 m: 200 fa: 16031 ga: 16032 fv: 330 \
+ * fp: 21231 gp: 21230 a+: 16049 a-: 16304 \
+ * GPS 9 sat 2010-02-13 17:16:51 35°20.0803'N 106°45.2235'W 1790m \
+ * 0.00m/s(H) 0° 0.00m/s(V) 1.0(hdop) 0(herr) 0(verr) \
+ * SAT 10 29 30 24 28 5 25 21 20 15 33 1 23 30 24 18 26 10 29 2 26
+ */
+
+public class AltosTelemetry extends AltosRecord {
+ public AltosTelemetry(String line) throws ParseException, AltosCRCException {
+ String[] words = line.split("\\s+");
+ int i = 0;
+
+ if (words[i].equals("CRC") && words[i+1].equals("INVALID")) {
+ i += 2;
+ AltosParse.word(words[i++], "RSSI");
+ rssi = AltosParse.parse_int(words[i++]);
+ throw new AltosCRCException(rssi);
+ }
+ if (words[i].equals("CALL")) {
+ version = 0;
+ } else {
+ AltosParse.word (words[i++], "VERSION");
+ version = AltosParse.parse_int(words[i++]);
+ }
+
+ AltosParse.word (words[i++], "CALL");
+ callsign = words[i++];
+
+ AltosParse.word (words[i++], "SERIAL");
+ serial = AltosParse.parse_int(words[i++]);
+
+ if (version >= 2) {
+ AltosParse.word (words[i++], "FLIGHT");
+ flight = AltosParse.parse_int(words[i++]);
+ } else
+ flight = 0;
+
+ AltosParse.word(words[i++], "RSSI");
+ rssi = AltosParse.parse_int(words[i++]);
+
+ /* Older telemetry data had mis-computed RSSI value */
+ if (version <= 2)
+ rssi = (rssi + 74) / 2 - 74;
+
+ AltosParse.word(words[i++], "STATUS");
+ status = AltosParse.parse_hex(words[i++]);
+
+ AltosParse.word(words[i++], "STATE");
+ state = Altos.state(words[i++]);
+
+ tick = AltosParse.parse_int(words[i++]);
+
+ AltosParse.word(words[i++], "a:");
+ accel = AltosParse.parse_int(words[i++]);
+
+ AltosParse.word(words[i++], "p:");
+ pres = AltosParse.parse_int(words[i++]);
+
+ AltosParse.word(words[i++], "t:");
+ temp = AltosParse.parse_int(words[i++]);
+
+ AltosParse.word(words[i++], "v:");
+ batt = AltosParse.parse_int(words[i++]);
+
+ AltosParse.word(words[i++], "d:");
+ drogue = AltosParse.parse_int(words[i++]);
+
+ AltosParse.word(words[i++], "m:");
+ main = AltosParse.parse_int(words[i++]);
+
+ AltosParse.word(words[i++], "fa:");
+ flight_accel = AltosParse.parse_int(words[i++]);
+
+ AltosParse.word(words[i++], "ga:");
+ ground_accel = AltosParse.parse_int(words[i++]);
+
+ AltosParse.word(words[i++], "fv:");
+ flight_vel = AltosParse.parse_int(words[i++]);
+
+ AltosParse.word(words[i++], "fp:");
+ flight_pres = AltosParse.parse_int(words[i++]);
+
+ AltosParse.word(words[i++], "gp:");
+ ground_pres = AltosParse.parse_int(words[i++]);
+
+ if (version >= 1) {
+ AltosParse.word(words[i++], "a+:");
+ accel_plus_g = AltosParse.parse_int(words[i++]);
+
+ AltosParse.word(words[i++], "a-:");
+ accel_minus_g = AltosParse.parse_int(words[i++]);
+ } else {
+ accel_plus_g = ground_accel;
+ accel_minus_g = ground_accel + 530;
+ }
+
+ gps = new AltosGPS(words, i, version);
+ }
+}