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;
22 import java.nio.charset.Charset;
24 public class AltosLib {
25 /* EEProm command letters */
26 public static final int AO_LOG_FLIGHT = 'F';
27 public static final int AO_LOG_SENSOR = 'A';
28 public static final int AO_LOG_TEMP_VOLT = 'T';
29 public static final int AO_LOG_DEPLOY = 'D';
30 public static final int AO_LOG_STATE = 'S';
31 public static final int AO_LOG_GPS_TIME = 'G';
32 public static final int AO_LOG_GPS_LAT = 'N';
33 public static final int AO_LOG_GPS_LON = 'W';
34 public static final int AO_LOG_GPS_ALT = 'H';
35 public static final int AO_LOG_GPS_SAT = 'V';
36 public static final int AO_LOG_GPS_DATE = 'Y';
37 public static final int AO_LOG_PRESSURE = 'P';
39 /* Added for header fields in eeprom files */
40 public static final int AO_LOG_CONFIG_VERSION = 1000;
41 public static final int AO_LOG_MAIN_DEPLOY = 1001;
42 public static final int AO_LOG_APOGEE_DELAY = 1002;
43 public static final int AO_LOG_RADIO_CHANNEL = 1003;
44 public static final int AO_LOG_CALLSIGN = 1004;
45 public static final int AO_LOG_ACCEL_CAL = 1005;
46 public static final int AO_LOG_RADIO_CAL = 1006;
47 public static final int AO_LOG_MAX_FLIGHT_LOG = 1007;
48 public static final int AO_LOG_MANUFACTURER = 2000;
49 public static final int AO_LOG_PRODUCT = 2001;
50 public static final int AO_LOG_SERIAL_NUMBER = 2002;
51 public static final int AO_LOG_LOG_FORMAT = 2003;
53 /* Added for header fields in megametrum files */
54 public static final int AO_LOG_BARO_RESERVED = 3000;
55 public static final int AO_LOG_BARO_SENS = 3001;
56 public static final int AO_LOG_BARO_OFF = 3002;
57 public static final int AO_LOG_BARO_TCS = 3004;
58 public static final int AO_LOG_BARO_TCO = 3005;
59 public static final int AO_LOG_BARO_TREF = 3006;
60 public static final int AO_LOG_BARO_TEMPSENS = 3007;
61 public static final int AO_LOG_BARO_CRC = 3008;
63 public static final int AO_LOG_SOFTWARE_VERSION = 9999;
65 /* Added to flag invalid records */
66 public static final int AO_LOG_INVALID = -1;
68 /* Flight state numbers and names */
69 public static final int ao_flight_startup = 0;
70 public static final int ao_flight_idle = 1;
71 public static final int ao_flight_pad = 2;
72 public static final int ao_flight_boost = 3;
73 public static final int ao_flight_fast = 4;
74 public static final int ao_flight_coast = 5;
75 public static final int ao_flight_drogue = 6;
76 public static final int ao_flight_main = 7;
77 public static final int ao_flight_landed = 8;
78 public static final int ao_flight_invalid = 9;
81 public final static int vendor_altusmetrum = 0xfffe;
83 public final static int product_altusmetrum = 0x000a;
84 public final static int product_telemetrum = 0x000b;
85 public final static int product_teledongle = 0x000c;
86 public final static int product_teleterra = 0x000d;
87 public final static int product_telebt = 0x000e;
88 public final static int product_telelaunch = 0x000f;
89 public final static int product_telelco = 0x0010;
90 public final static int product_telescience = 0x0011;
91 public final static int product_telepyro =0x0012;
92 public final static int product_megametrum = 0x0023;
93 public final static int product_megadongle = 0x0024;
94 public final static int product_altusmetrum_min = 0x000a;
95 public final static int product_altusmetrum_max = 0x0024;
97 public final static int product_any = 0x10000;
98 public final static int product_basestation = 0x10000 + 1;
99 public final static int product_altimeter = 0x10000 + 2;
101 /* Bluetooth "identifier" (bluetooth sucks) */
102 public final static String bt_product_telebt = "TeleBT";
104 /* Telemetry modes */
105 public static final int ao_telemetry_off = 0;
106 public static final int ao_telemetry_min = 1;
107 public static final int ao_telemetry_standard = 1;
108 public static final int ao_telemetry_0_9 = 2;
109 public static final int ao_telemetry_0_8 = 3;
110 public static final int ao_telemetry_max = 3;
112 private static final String[] ao_telemetry_name = {
113 "Off", "Standard Telemetry", "TeleMetrum v0.9", "TeleMetrum v0.8"
116 public static final String launch_sites_url = "http://www.altusmetrum.org/AltOS/launch-sites.txt";
118 public static final int ao_telemetry_standard_len = 32;
119 public static final int ao_telemetry_0_9_len = 95;
120 public static final int ao_telemetry_0_8_len = 94;
122 private static final int[] ao_telemetry_len = {
126 private static HashMap<String,Integer> string_to_state = new HashMap<String,Integer>();
128 private static boolean map_initialized = false;
130 public static void initialize_map()
132 string_to_state.put("startup", ao_flight_startup);
133 string_to_state.put("idle", ao_flight_idle);
134 string_to_state.put("pad", ao_flight_pad);
135 string_to_state.put("boost", ao_flight_boost);
136 string_to_state.put("fast", ao_flight_fast);
137 string_to_state.put("coast", ao_flight_coast);
138 string_to_state.put("drogue", ao_flight_drogue);
139 string_to_state.put("apogee", ao_flight_coast);
140 string_to_state.put("main", ao_flight_main);
141 string_to_state.put("landed", ao_flight_landed);
142 string_to_state.put("invalid", ao_flight_invalid);
143 map_initialized = true;
146 public static int telemetry_len(int telemetry) {
147 if (telemetry <= ao_telemetry_max)
148 return ao_telemetry_len[telemetry];
149 throw new IllegalArgumentException(String.format("Invalid telemetry %d",
153 public static String telemetry_name(int telemetry) {
154 if (telemetry <= ao_telemetry_max)
155 return ao_telemetry_name[telemetry];
156 throw new IllegalArgumentException(String.format("Invalid telemetry %d",
160 private static String[] state_to_string = {
173 private static String[] state_to_string_capital = {
186 public static int state(String state) {
187 if (!map_initialized)
189 if (string_to_state.containsKey(state))
190 return string_to_state.get(state);
191 return ao_flight_invalid;
194 public static String state_name(int state) {
195 if (state < 0 || state_to_string.length <= state)
197 return state_to_string[state];
200 public static String state_name_capital(int state) {
201 if (state < 0 || state_to_string.length <= state)
203 return state_to_string_capital[state];
206 public static final int AO_GPS_VALID = (1 << 4);
207 public static final int AO_GPS_RUNNING = (1 << 5);
208 public static final int AO_GPS_DATE_VALID = (1 << 6);
209 public static final int AO_GPS_NUM_SAT_SHIFT = 0;
210 public static final int AO_GPS_NUM_SAT_MASK = 0xf;
212 public static final int AO_LOG_FORMAT_UNKNOWN = 0;
213 public static final int AO_LOG_FORMAT_FULL = 1;
214 public static final int AO_LOG_FORMAT_TINY = 2;
215 public static final int AO_LOG_FORMAT_TELEMETRY = 3;
216 public static final int AO_LOG_FORMAT_TELESCIENCE = 4;
217 public static final int AO_LOG_FORMAT_MEGAMETRUM = 5;
218 public static final int AO_LOG_FORMAT_NONE = 127;
220 public static boolean isspace(int c) {
229 public static boolean ishex(int c) {
230 if ('0' <= c && c <= '9')
232 if ('a' <= c && c <= 'f')
234 if ('A' <= c && c <= 'F')
239 public static boolean ishex(String s) {
240 for (int i = 0; i < s.length(); i++)
241 if (!ishex(s.charAt(i)))
246 public static int fromhex(int c) {
247 if ('0' <= c && c <= '9')
249 if ('a' <= c && c <= 'f')
251 if ('A' <= c && c <= 'F')
256 public static int fromhex(String s) throws NumberFormatException {
258 for (int i = 0; i < s.length(); i++) {
262 throw new NumberFormatException(String.format("invalid hex \"%s\"", s));
265 v = v * 16 + fromhex(c);
270 public static boolean isdec(int c) {
271 if ('0' <= c && c <= '9')
276 public static boolean isdec(String s) {
277 for (int i = 0; i < s.length(); i++)
278 if (!isdec(s.charAt(i)))
283 public static int fromdec(int c) {
284 if ('0' <= c && c <= '9')
289 public static int int8(int[] bytes, int i) {
290 return (int) (byte) bytes[i];
293 public static int uint8(int[] bytes, int i) {
297 public static int int16(int[] bytes, int i) {
298 return (int) (short) (bytes[i] + (bytes[i+1] << 8));
301 public static int uint16(int[] bytes, int i) {
302 return bytes[i] + (bytes[i+1] << 8);
305 public static int uint32(int[] bytes, int i) {
312 public static int int32(int[] bytes, int i) {
313 return (int) uint32(bytes, i);
316 public static final Charset unicode_set = Charset.forName("UTF-8");
318 public static String string(int[] bytes, int s, int l) {
319 if (s + l > bytes.length) {
320 if (s > bytes.length) {
324 l = bytes.length - s;
329 for (i = l - 1; i >= 0; i--)
334 byte[] b = new byte[l];
336 for (i = 0; i < l; i++)
337 b[i] = (byte) bytes[s+i];
338 String n = new String(b, unicode_set);
342 public static int hexbyte(String s, int i) {
345 if (s.length() < i + 2)
346 throw new NumberFormatException(String.format("invalid hex \"%s\"", s));
349 throw new NumberFormatException(String.format("invalid hex \"%c\"", c0));
352 throw new NumberFormatException(String.format("invalid hex \"%c\"", c1));
353 return fromhex(c0) * 16 + fromhex(c1);
356 public static int[] hexbytes(String s) {
361 if ((s.length() & 1) != 0)
362 throw new NumberFormatException(String.format("invalid line \"%s\"", s));
365 for (i = 0; i < n; i++)
366 r[i] = hexbyte(s, i * 2);
370 public static int fromdec(String s) throws NumberFormatException {
373 for (int i = 0; i < s.length(); i++) {
375 if (i == 0 && c == '-') {
377 } else if (!isdec(c)) {
379 throw new NumberFormatException(String.format("invalid number \"%s\"", s));
382 v = v * 10 + fromdec(c);
387 public static String gets(FileInputStream s) throws IOException {
391 while ((c = s.read()) != -1) {
397 line = line + (char) c;
402 public static String replace_extension(String input, String extension) {
403 int dot = input.lastIndexOf(".");
405 input = input.substring(0,dot);
406 return input.concat(extension);