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   1 /*
   2  * Copyright © 2010 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 altosui;
  19
  20 import java.io.*;
  21 import java.util.concurrent.*;
  22
  23 public class AltosIgnite {
  24         AltosDevice     device;
  25         AltosSerial     serial;
  26         boolean         remote;
  27         final static int        None = 0;
  28         final static int        Apogee = 1;
  29         final static int        Main = 2;
  30
  31         final static int        Unknown = 0;
  32         final static int        Ready = 1;
  33         final static int        Active = 2;
  34         final static int        Open = 3;
  35
  36         private void start_serial() throws InterruptedException {
  37                 if (remote) {
  38                         serial.set_channel(AltosPreferences.channel(device.getSerial()));
  39                         serial.set_callsign(AltosPreferences.callsign());
  40                         serial.printf("~\np\n");
  41                         serial.flush_input();
  42                 }
  43         }
  44
  45         private void stop_serial() throws InterruptedException {
  46                 if (serial == null)
  47                         return;
  48                 if (remote) {
  49                         serial.printf("~");
  50                         serial.flush_output();
  51                 }
  52         }
  53
  54         class string_ref {
  55                 String  value;
  56
  57                 public String get() {
  58                         return value;
  59                 }
  60                 public void set(String i) {
  61                         value = i;
  62                 }
  63                 public string_ref() {
  64                         value = null;
  65                 }
  66         }
  67
  68         private boolean get_string(String line, String label, string_ref s) {
  69                 if (line.startsWith(label)) {
  70                         String  quoted = line.substring(label.length()).trim();
  71
  72                         if (quoted.startsWith("\""))
  73                                 quoted = quoted.substring(1);
  74                         if (quoted.endsWith("\""))
  75                                 quoted = quoted.substring(0,quoted.length()-1);
  76                         s.set(quoted);
  77                         return true;
  78                 } else {
  79                         return false;
  80                 }
  81         }
  82
  83         private int status(String status_name) {
  84                 if (status_name.equals("unknown"))
  85                         return Unknown;
  86                 if (status_name.equals("ready"))
  87                         return Ready;
  88                 if (status_name.equals("active"))
  89                         return Active;
  90                 if (status_name.equals("open"))
  91                         return Open;
  92                 return Unknown;
  93         }
  94
  95         public int status(int igniter) throws InterruptedException, TimeoutException {
  96                 int status = Unknown;
  97                 if (serial == null)
  98                         return status;
  99                 string_ref status_name = new string_ref();
 100                 start_serial();
 101                 serial.printf("t\n");
 102                 for (;;) {
 103                         String line = serial.get_reply(1000);
 104                         if (line == null)
 105                                 throw new TimeoutException();
 106                         if (get_string(line, "Igniter: drogue Status: ", status_name))
 107                                 if (igniter == Apogee)
 108                                         status = status(status_name.get());
 109                         if (get_string(line, "Igniter:   main Status: ", status_name)) {
 110                                 if (igniter == Main)
 111                                         status = status(status_name.get());
 112                                 break;
 113                         }
 114                 }
 115                 stop_serial();
 116                 return status;
 117         }
 118
 119         public String status_string(int status) {
 120                 switch (status) {
 121                 case Unknown: return "Unknown";
 122                 case Ready: return "Ready";
 123                 case Active: return "Active";
 124                 case Open: return "Open";
 125                 default: return "Unknown";
 126                 }
 127         }
 128
 129         public void fire(int igniter) {
 130                 if (serial == null)
 131                         return;
 132                 try {
 133                         start_serial();
 134                         switch (igniter) {
 135                         case Main:
 136                                 serial.printf("i DoIt main\n");
 137                                 break;
 138                         case Apogee:
 139                                 serial.printf("i DoIt drogue\n");
 140                                 break;
 141                         }
 142                 } catch (InterruptedException ie) {
 143                 } finally {
 144                         try {
 145                                 stop_serial();
 146                         } catch (InterruptedException ie) {
 147                         }
 148                 }
 149         }
 150
 151         public void close() {
 152                 serial.close();
 153                 serial = null;
 154         }
 155
 156         public AltosIgnite(AltosDevice in_device) throws FileNotFoundException, AltosSerialInUseException {
 157
 158                 device = in_device;
 159                 serial = new AltosSerial(device);
 160                 remote = false;
 161
 162                 if (!device.matchProduct(AltosDevice.product_telemetrum))
 163                         remote = true;
 164         }
 165 }