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

   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; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  */
  18
  19 package org.altusmetrum.altoslib_11;
  20
  21 import java.util.concurrent.*;
  22 import java.io.*;
  23
  24 public class AltosMag implements Cloneable {
  25         public int              along;
  26         public int              across;
  27         public int              through;
  28
  29         public static final double counts_per_gauss = 1090;
  30
  31         public static double convert_gauss(double counts) {
  32                 return counts / counts_per_gauss;
  33         }
  34
  35         public boolean parse_string(String line) {
  36 //              if (line.startsWith("Syntax error")) {
  37 //                      along = across = through = 0;
  38 //                      return true;
  39 //              }
  40
  41                 if (!line.startsWith("X:"))
  42                         return false;
  43
  44                 String[] items = line.split("\\s+");
  45
  46                 if (items.length >= 6) {
  47                         along = Integer.parseInt(items[1]);
  48                         across = Integer.parseInt(items[3]);
  49                         through = Integer.parseInt(items[5]);
  50                 }
  51                 return true;
  52         }
  53
  54         public AltosMag clone() {
  55                 AltosMag n = new AltosMag();
  56
  57                 n.along = along;
  58                 n.across = across;
  59                 n.through = through;
  60                 return n;
  61         }
  62
  63         public AltosMag() {
  64                 along = AltosLib.MISSING;
  65                 across = AltosLib.MISSING;
  66                 through = AltosLib.MISSING;
  67         }
  68
  69         public AltosMag(int along, int across, int through) {
  70                 this.along = along;
  71                 this.across = across;
  72                 this.through = through;
  73         }
  74
  75         static public void provide_data(AltosDataListener listener, AltosLink link, AltosCalData cal_data) throws InterruptedException {
  76                 try {
  77                         AltosMag        mag = new AltosMag(link);
  78
  79                         if (mag != null)
  80                                 listener.set_mag(cal_data.mag_along(mag.along),
  81                                                  cal_data.mag_across(mag.across),
  82                                                  cal_data.mag_through(mag.through));
  83                 } catch (TimeoutException te) {
  84                 }
  85         }
  86
  87         public AltosMag(AltosLink link) throws InterruptedException, TimeoutException {
  88                 this();
  89                 link.printf("M\n");
  90                 for (;;) {
  91                         String line = link.get_reply_no_dialog(5000);
  92                         if (line == null) {
  93                                 throw new TimeoutException();
  94                         }
  95                         if (parse_string(line))
  96                                 break;
  97                 }
  98         }
  99 }