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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_radio();
  39                         serial.printf("p\nE 0\n");
  40                         serial.flush_input();
  41                 }
  42         }
  43
  44         private void stop_serial() throws InterruptedException {
  45                 if (serial == null)
  46                         return;
  47                 if (remote) {
  48                         serial.printf("~");
  49                         serial.flush_output();
  50                 }
  51         }
  52
  53         class string_ref {
  54                 String  value;
  55
  56                 public String get() {
  57                         return value;
  58                 }
  59                 public void set(String i) {
  60                         value = i;
  61                 }
  62                 public string_ref() {
  63                         value = null;
  64                 }
  65         }
  66
  67         private boolean get_string(String line, String label, string_ref s) {
  68                 if (line.startsWith(label)) {
  69                         String  quoted = line.substring(label.length()).trim();
  70
  71                         if (quoted.startsWith("\""))
  72                                 quoted = quoted.substring(1);
  73                         if (quoted.endsWith("\""))
  74                                 quoted = quoted.substring(0,quoted.length()-1);
  75                         s.set(quoted);
  76                         return true;
  77                 } else {
  78                         return false;
  79                 }
  80         }
  81
  82         private int status(String status_name) {
  83                 if (status_name.equals("unknown"))
  84                         return Unknown;
  85                 if (status_name.equals("ready"))
  86                         return Ready;
  87                 if (status_name.equals("active"))
  88                         return Active;
  89                 if (status_name.equals("open"))
  90                         return Open;
  91                 return Unknown;
  92         }
  93
  94         public int status(int igniter) throws InterruptedException, TimeoutException {
  95                 int status = Unknown;
  96                 if (serial == null)
  97                         return status;
  98                 string_ref status_name = new string_ref();
  99                 start_serial();
 100                 serial.printf("t\n");
 101                 for (;;) {
 102                         String line = serial.get_reply(5000);
 103                         if (line == null)
 104                                 throw new TimeoutException();
 105                         if (get_string(line, "Igniter: drogue Status: ", status_name))
 106                                 if (igniter == Apogee)
 107                                         status = status(status_name.get());
 108                         if (get_string(line, "Igniter:   main Status: ", status_name)) {
 109                                 if (igniter == Main)
 110                                         status = status(status_name.get());
 111                                 break;
 112                         }
 113                 }
 114                 stop_serial();
 115                 return status;
 116         }
 117
 118         public String status_string(int status) {
 119                 switch (status) {
 120                 case Unknown: return "Unknown";
 121                 case Ready: return "Ready";
 122                 case Active: return "Active";
 123                 case Open: return "Open";
 124                 default: return "Unknown";
 125                 }
 126         }
 127
 128         public void fire(int igniter) {
 129                 if (serial == null)
 130                         return;
 131                 try {
 132                         start_serial();
 133                         switch (igniter) {
 134                         case Main:
 135                                 serial.printf("i DoIt main\n");
 136                                 break;
 137                         case Apogee:
 138                                 serial.printf("i DoIt drogue\n");
 139                                 break;
 140                         }
 141                 } catch (InterruptedException ie) {
 142                 } finally {
 143                         try {
 144                                 stop_serial();
 145                         } catch (InterruptedException ie) {
 146                         }
 147                 }
 148         }
 149
 150         public void close() {
 151                 serial.close();
 152                 serial = null;
 153         }
 154
 155         public AltosIgnite(AltosDevice in_device) throws FileNotFoundException, AltosSerialInUseException {
 156
 157                 device = in_device;
 158                 serial = new AltosSerial(device);
 159                 remote = false;
 160
 161                 if (!device.matchProduct(AltosDevice.product_telemetrum))
 162                         remote = true;
 163         }
 164 }