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.
18 package org.altusmetrum.AltosLib;
23 import java.nio.charset.Charset;
25 public class AltosLib {
26 /* EEProm command letters */
27 public static final int AO_LOG_FLIGHT = 'F';
28 public static final int AO_LOG_SENSOR = 'A';
29 public static final int AO_LOG_TEMP_VOLT = 'T';
30 public static final int AO_LOG_DEPLOY = 'D';
31 public static final int AO_LOG_STATE = 'S';
32 public static final int AO_LOG_GPS_TIME = 'G';
33 public static final int AO_LOG_GPS_LAT = 'N';
34 public static final int AO_LOG_GPS_LON = 'W';
35 public static final int AO_LOG_GPS_ALT = 'H';
36 public static final int AO_LOG_GPS_SAT = 'V';
37 public static final int AO_LOG_GPS_DATE = 'Y';
38 public static final int AO_LOG_PRESSURE = 'P';
40 /* Added for header fields in eeprom files */
41 public static final int AO_LOG_CONFIG_VERSION = 1000;
42 public static final int AO_LOG_MAIN_DEPLOY = 1001;
43 public static final int AO_LOG_APOGEE_DELAY = 1002;
44 public static final int AO_LOG_RADIO_CHANNEL = 1003;
45 public static final int AO_LOG_CALLSIGN = 1004;
46 public static final int AO_LOG_ACCEL_CAL = 1005;
47 public static final int AO_LOG_RADIO_CAL = 1006;
48 public static final int AO_LOG_MAX_FLIGHT_LOG = 1007;
49 public static final int AO_LOG_MANUFACTURER = 2000;
50 public static final int AO_LOG_PRODUCT = 2001;
51 public static final int AO_LOG_SERIAL_NUMBER = 2002;
52 public static final int AO_LOG_LOG_FORMAT = 2003;
54 /* Added for header fields in megametrum files */
55 public static final int AO_LOG_BARO_RESERVED = 3000;
56 public static final int AO_LOG_BARO_SENS = 3001;
57 public static final int AO_LOG_BARO_OFF = 3002;
58 public static final int AO_LOG_BARO_TCS = 3004;
59 public static final int AO_LOG_BARO_TCO = 3005;
60 public static final int AO_LOG_BARO_TREF = 3006;
61 public static final int AO_LOG_BARO_TEMPSENS = 3007;
62 public static final int AO_LOG_BARO_CRC = 3008;
64 public static final int AO_LOG_SOFTWARE_VERSION = 9999;
66 /* Added to flag invalid records */
67 public static final int AO_LOG_INVALID = -1;
69 /* Flight state numbers and names */
70 public static final int ao_flight_startup = 0;
71 public static final int ao_flight_idle = 1;
72 public static final int ao_flight_pad = 2;
73 public static final int ao_flight_boost = 3;
74 public static final int ao_flight_fast = 4;
75 public static final int ao_flight_coast = 5;
76 public static final int ao_flight_drogue = 6;
77 public static final int ao_flight_main = 7;
78 public static final int ao_flight_landed = 8;
79 public static final int ao_flight_invalid = 9;
82 public static final int ao_telemetry_off = 0;
83 public static final int ao_telemetry_min = 1;
84 public static final int ao_telemetry_standard = 1;
85 public static final int ao_telemetry_0_9 = 2;
86 public static final int ao_telemetry_0_8 = 3;
87 public static final int ao_telemetry_max = 3;
89 public static final String[] ao_telemetry_name = {
90 "Off", "Standard Telemetry", "TeleMetrum v0.9", "TeleMetrum v0.8"
93 public static final String launch_sites_url = "http://www.altusmetrum.org/AltOS/launch-sites.txt";
95 public static final int ao_telemetry_standard_len = 32;
96 public static final int ao_telemetry_0_9_len = 95;
97 public static final int ao_telemetry_0_8_len = 94;
99 public static final int[] ao_telemetry_len = {
103 public static HashMap<String,Integer> string_to_state = new HashMap<String,Integer>();
105 public static boolean map_initialized = false;
107 public static void initialize_map()
109 string_to_state.put("startup", ao_flight_startup);
110 string_to_state.put("idle", ao_flight_idle);
111 string_to_state.put("pad", ao_flight_pad);
112 string_to_state.put("boost", ao_flight_boost);
113 string_to_state.put("fast", ao_flight_fast);
114 string_to_state.put("coast", ao_flight_coast);
115 string_to_state.put("drogue", ao_flight_drogue);
116 string_to_state.put("apogee", ao_flight_coast);
117 string_to_state.put("main", ao_flight_main);
118 string_to_state.put("landed", ao_flight_landed);
119 string_to_state.put("invalid", ao_flight_invalid);
120 map_initialized = true;
123 public static int telemetry_len(int telemetry) {
124 if (telemetry <= ao_telemetry_max)
125 return ao_telemetry_len[telemetry];
126 throw new IllegalArgumentException(String.format("Invalid telemetry %d",
130 public static String telemetry_name(int telemetry) {
131 if (telemetry <= ao_telemetry_max)
132 return ao_telemetry_name[telemetry];
133 throw new IllegalArgumentException(String.format("Invalid telemetry %d",
137 public static String[] state_to_string = {
150 public static String[] state_to_string_capital = {
163 public static int state(String state) {
164 if (!map_initialized)
166 if (string_to_state.containsKey(state))
167 return string_to_state.get(state);
168 return ao_flight_invalid;
171 public static String state_name(int state) {
172 if (state < 0 || state_to_string.length <= state)
174 return state_to_string[state];
177 public static final int AO_GPS_VALID = (1 << 4);
178 public static final int AO_GPS_RUNNING = (1 << 5);
179 public static final int AO_GPS_DATE_VALID = (1 << 6);
180 public static final int AO_GPS_NUM_SAT_SHIFT = 0;
181 public static final int AO_GPS_NUM_SAT_MASK = 0xf;
183 public static final int AO_LOG_FORMAT_UNKNOWN = 0;
184 public static final int AO_LOG_FORMAT_FULL = 1;
185 public static final int AO_LOG_FORMAT_TINY = 2;
186 public static final int AO_LOG_FORMAT_TELEMETRY = 3;
187 public static final int AO_LOG_FORMAT_TELESCIENCE = 4;
188 public static final int AO_LOG_FORMAT_NONE = 127;
190 public static boolean isspace(int c) {
199 public static boolean ishex(int c) {
200 if ('0' <= c && c <= '9')
202 if ('a' <= c && c <= 'f')
204 if ('A' <= c && c <= 'F')
209 public static boolean ishex(String s) {
210 for (int i = 0; i < s.length(); i++)
211 if (!ishex(s.charAt(i)))
216 public static int fromhex(int c) {
217 if ('0' <= c && c <= '9')
219 if ('a' <= c && c <= 'f')
221 if ('A' <= c && c <= 'F')
226 public static int fromhex(String s) throws NumberFormatException {
228 for (int i = 0; i < s.length(); i++) {
232 throw new NumberFormatException(String.format("invalid hex \"%s\"", s));
235 v = v * 16 + fromhex(c);
240 public static boolean isdec(int c) {
241 if ('0' <= c && c <= '9')
246 public static boolean isdec(String s) {
247 for (int i = 0; i < s.length(); i++)
248 if (!isdec(s.charAt(i)))
253 public static int fromdec(int c) {
254 if ('0' <= c && c <= '9')
259 public static int int8(int[] bytes, int i) {
260 return (int) (byte) bytes[i];
263 public static int uint8(int[] bytes, int i) {
267 public static int int16(int[] bytes, int i) {
268 return (int) (short) (bytes[i] + (bytes[i+1] << 8));
271 public static int uint16(int[] bytes, int i) {
272 return bytes[i] + (bytes[i+1] << 8);
275 public static int uint32(int[] bytes, int i) {
282 public static final Charset unicode_set = Charset.forName("UTF-8");
284 public static String string(int[] bytes, int s, int l) {
285 if (s + l > bytes.length) {
286 if (s > bytes.length) {
290 l = bytes.length - s;
295 for (i = l - 1; i >= 0; i--)
300 byte[] b = new byte[l];
302 for (i = 0; i < l; i++)
303 b[i] = (byte) bytes[s+i];
304 String n = new String(b, unicode_set);
308 public static int hexbyte(String s, int i) {
311 if (s.length() < i + 2)
312 throw new NumberFormatException(String.format("invalid hex \"%s\"", s));
315 throw new NumberFormatException(String.format("invalid hex \"%c\"", c0));
318 throw new NumberFormatException(String.format("invalid hex \"%c\"", c1));
319 return fromhex(c0) * 16 + fromhex(c1);
322 public static int[] hexbytes(String s) {
327 if ((s.length() & 1) != 0)
328 throw new NumberFormatException(String.format("invalid line \"%s\"", s));
331 for (i = 0; i < n; i++)
332 r[i] = hexbyte(s, i * 2);
336 public static int fromdec(String s) throws NumberFormatException {
339 for (int i = 0; i < s.length(); i++) {
341 if (i == 0 && c == '-') {
343 } else if (!isdec(c)) {
345 throw new NumberFormatException(String.format("invalid number \"%s\"", s));
348 v = v * 10 + fromdec(c);
353 public static String replace_extension(String input, String extension) {
354 int dot = input.lastIndexOf(".");
356 input = input.substring(0,dot);
357 return input.concat(extension);