git.gag.com Git - fw/altos/blob - altoslib/AltosConfigData.java

   1 /*
   2  * Copyright © 2011 Keith Packard <keithp@keithp.com>
   3  *
   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.
   7  *
   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.
  12  *
  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.
  16  */
  17
  18 package org.altusmetrum.AltosLib;
  19
  20 import java.io.*;
  21 import java.util.*;
  22 import java.text.*;
  23 import java.util.prefs.*;
  24 import java.util.concurrent.*;
  25 import org.altusmetrum.AltosLib.*;
  26
  27 public class AltosConfigData implements Iterable<String> {
  28
  29         /* Version information */
  30         public String   manufacturer;
  31         public String   product;
  32         public String   version;
  33         public int      log_format;
  34         public int      serial;
  35
  36         /* Strings returned */
  37         public LinkedList<String>       lines;
  38
  39         /* Config information */
  40         public int      config_major;
  41         public int      config_minor;
  42         public int      main_deploy;
  43         public int      apogee_delay;
  44         public int      radio_channel;
  45         public int      radio_setting;
  46         public int      radio_frequency;
  47         public String   callsign;
  48         public int      accel_cal_plus, accel_cal_minus;
  49         public int      radio_calibration;
  50         public int      flight_log_max;
  51         public int      ignite_mode;
  52         public int      stored_flight;
  53         public int      storage_size;
  54         public int      storage_erase_unit;
  55
  56         public static String get_string(String line, String label) throws  ParseException {
  57                 if (line.startsWith(label)) {
  58                         String  quoted = line.substring(label.length()).trim();
  59
  60                         if (quoted.startsWith("\""))
  61                                 quoted = quoted.substring(1);
  62                         if (quoted.endsWith("\""))
  63                                 quoted = quoted.substring(0,quoted.length()-1);
  64                         return quoted;
  65                 }
  66                 throw new ParseException("mismatch", 0);
  67         }
  68
  69         public static int get_int(String line, String label) throws NumberFormatException, ParseException {
  70                 if (line.startsWith(label)) {
  71                         String tail = line.substring(label.length()).trim();
  72                         String[] tokens = tail.split("\\s+");
  73                         if (tokens.length > 0)
  74                                 return  Integer.parseInt(tokens[0]);
  75                 }
  76                 throw new ParseException("mismatch", 0);
  77         }
  78
  79         public Iterator<String> iterator() {
  80                 return lines.iterator();
  81         }
  82
  83         public int log_available() {
  84                 switch (log_format) {
  85                 case AltosLib.AO_LOG_FORMAT_TINY:
  86                         if (stored_flight == 0)
  87                                 return 1;
  88                         return 0;
  89                 default:
  90                         if (flight_log_max <= 0)
  91                                 return 1;
  92                         int     log_space = storage_size - storage_erase_unit;
  93                         int     log_used = stored_flight * flight_log_max;
  94
  95                         if (log_used >= log_space)
  96                                 return 0;
  97                         return (log_space - log_used) / flight_log_max;
  98                 }
  99         }
 100
 101         int[] parse_version(String v) {
 102                 String[] parts = v.split("\\.");
 103                 int r[] = new int[parts.length];
 104
 105                 for (int i = 0; i < parts.length; i++) {
 106                         try {
 107                                 r[i] = AltosLib.fromdec(parts[i]);
 108                         } catch (NumberFormatException n) {
 109                                 r[i] = 0;
 110                         }
 111                 }
 112
 113                 return r;
 114         }
 115
 116         public int compare_version(String other) {
 117                 int[]   me = parse_version(version);
 118                 int[]   them = parse_version(other);
 119
 120                 int     l = Math.min(me.length, them.length);
 121
 122                 for (int i = 0; i < l; i++) {
 123                         int     d = me[i] - them[i];
 124                         if (d != 0)
 125                                 return d;
 126                 }
 127                 if (me.length > l)
 128                         return 1;
 129                 if (them.length > l)
 130                         return -1;
 131                 return 0;
 132         }
 133
 134         public AltosConfigData(AltosLink link) throws InterruptedException, TimeoutException {
 135                 link.printf("c s\nf\nl\nv\n");
 136                 lines = new LinkedList<String>();
 137                 radio_setting = 0;
 138                 radio_frequency = 0;
 139                 stored_flight = 0;
 140                 for (;;) {
 141                         String line = link.get_reply();
 142                         if (line == null)
 143                                 throw new TimeoutException();
 144                         if (line.contains("Syntax error"))
 145                                 continue;
 146                         lines.add(line);
 147                         try { serial = get_int(line, "serial-number"); } catch (Exception e) {}
 148                         try { log_format = get_int(line, "log-format"); } catch (Exception e) {}
 149                         try { main_deploy = get_int(line, "Main deploy:"); } catch (Exception e) {}
 150                         try { apogee_delay = get_int(line, "Apogee delay:"); } catch (Exception e) {}
 151                         try { radio_channel = get_int(line, "Radio channel:"); } catch (Exception e) {}
 152                         try { radio_setting = get_int(line, "Radio setting:"); } catch (Exception e) {}
 153                         try {
 154                                 radio_frequency = get_int(line, "Frequency:");
 155                                 if (radio_frequency < 0)
 156                                         radio_frequency = 434550;
 157                         } catch (Exception e) {}
 158                         try {
 159                                 if (line.startsWith("Accel cal")) {
 160                                         String[] bits = line.split("\\s+");
 161                                         if (bits.length >= 6) {
 162                                                 accel_cal_plus = Integer.parseInt(bits[3]);
 163                                                 accel_cal_minus = Integer.parseInt(bits[5]);
 164                                         }
 165                                 }
 166                         } catch (Exception e) {}
 167                         try { radio_calibration = get_int(line, "Radio cal:"); } catch (Exception e) {}
 168                         try { flight_log_max = get_int(line, "Max flight log:"); } catch (Exception e) {}
 169                         try { ignite_mode = get_int(line, "Ignite mode:"); } catch (Exception e) {}
 170                         try { callsign = get_string(line, "Callsign:"); } catch (Exception e) {}
 171                         try { version = get_string(line,"software-version"); } catch (Exception e) {}
 172                         try { product = get_string(line,"product"); } catch (Exception e) {}
 173                         try { manufacturer = get_string(line,"manufacturer"); } catch (Exception e) {}
 174
 175                         try { get_int(line, "flight"); stored_flight++; }  catch (Exception e) {}
 176                         try { storage_size = get_int(line, "Storage size:"); } catch (Exception e) {}
 177                         try { storage_erase_unit = get_int(line, "Storage erase unit"); } catch (Exception e) {}
 178
 179                         /* signals the end of the version info */
 180                         if (line.startsWith("software-version"))
 181                                 break;
 182                 }
 183         }
 184
 185 }