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   1 /*
   2  * Copyright © 2012 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_1;
  19
  20 import java.util.concurrent.*;
  21
  22 class AltosGPSQuery extends AltosGPS {
  23         public AltosGPSQuery (AltosLink link, AltosConfigData config_data)
  24                 throws TimeoutException, InterruptedException {
  25                 boolean says_done = config_data.compare_version("1.0") >= 0;
  26                 link.printf("g\n");
  27                 for (;;) {
  28                         String line = link.get_reply_no_dialog(5000);
  29                         if (line == null)
  30                                 throw new TimeoutException();
  31                         String[] bits = line.split("\\s+");
  32                         if (bits.length == 0)
  33                                 continue;
  34                         if (line.startsWith("Date:")) {
  35                                 if (bits.length < 2)
  36                                         continue;
  37                                 String[] d = bits[1].split(":");
  38                                 if (d.length < 3)
  39                                         continue;
  40                                 year = Integer.parseInt(d[0]) + 2000;
  41                                 month = Integer.parseInt(d[1]);
  42                                 day = Integer.parseInt(d[2]);
  43                                 continue;
  44                         }
  45                         if (line.startsWith("Time:")) {
  46                                 if (bits.length < 2)
  47                                         continue;
  48                                 String[] d = bits[1].split("/");
  49                                 if (d.length < 3)
  50                                         continue;
  51                                 hour = Integer.parseInt(d[0]);
  52                                 minute = Integer.parseInt(d[1]);
  53                                 second = Integer.parseInt(d[2]);
  54                                 continue;
  55                         }
  56                         if (line.startsWith("Lat/Lon:")) {
  57                                 if (bits.length < 3)
  58                                         continue;
  59                                 lat = Integer.parseInt(bits[1]) * 1.0e-7;
  60                                 lon = Integer.parseInt(bits[2]) * 1.0e-7;
  61                                 continue;
  62                         }
  63                         if (line.startsWith("Alt:")) {
  64                                 if (bits.length < 2)
  65                                         continue;
  66                                 alt = Integer.parseInt(bits[1]);
  67                                 continue;
  68                         }
  69                         if (line.startsWith("Flags:")) {
  70                                 if (bits.length < 2)
  71                                         continue;
  72                                 int status = Integer.decode(bits[1]);
  73                                 connected = (status & AltosLib.AO_GPS_RUNNING) != 0;
  74                                 locked = (status & AltosLib.AO_GPS_VALID) != 0;
  75                                 if (!says_done)
  76                                         break;
  77                                 continue;
  78                         }
  79                         if (line.startsWith("Sats:")) {
  80                                 if (bits.length < 2)
  81                                         continue;
  82                                 nsat = Integer.parseInt(bits[1]);
  83                                 cc_gps_sat = new AltosGPSSat[nsat];
  84                                 for (int i = 0; i < nsat; i++) {
  85                                         int     svid = Integer.parseInt(bits[2+i*2]);
  86                                         int     cc_n0 = Integer.parseInt(bits[3+i*2]);
  87                                         cc_gps_sat[i] = new AltosGPSSat(svid, cc_n0);
  88                                 }
  89                         }
  90                         if (line.startsWith("done"))
  91                                 break;
  92                         if (line.startsWith("Syntax error"))
  93                                 break;
  94                 }
  95         }
  96 }
  97