git.gag.com Git - fw/altos/blob - altosui/AltosLaunch.java

   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 import java.awt.*;
  23 import java.awt.event.*;
  24 import javax.swing.*;
  25 import javax.swing.filechooser.FileNameExtensionFilter;
  26 import javax.swing.table.*;
  27 import javax.swing.event.*;
  28
  29 public class AltosLaunch {
  30         AltosDevice     device;
  31         AltosSerial     serial;
  32         boolean         serial_started;
  33         int             launcher_serial;
  34         int             launcher_channel;
  35         int             rssi;
  36
  37         final static int        Unknown = -1;
  38         final static int        Good = 0;
  39         final static int        Bad = 1;
  40
  41         int             armed;
  42         int             igniter;
  43
  44         private void start_serial() throws InterruptedException {
  45                 serial_started = true;
  46         }
  47
  48         private void stop_serial() throws InterruptedException {
  49                 if (!serial_started)
  50                         return;
  51                 serial_started = false;
  52                 if (serial == null)
  53                         return;
  54         }
  55
  56         class string_ref {
  57                 String  value;
  58
  59                 public String get() {
  60                         return value;
  61                 }
  62                 public void set(String i) {
  63                         value = i;
  64                 }
  65                 public string_ref() {
  66                         value = null;
  67                 }
  68         }
  69
  70         private boolean get_string(String line, String label, string_ref s) {
  71                 if (line.startsWith(label)) {
  72                         String  quoted = line.substring(label.length()).trim();
  73
  74                         if (quoted.startsWith("\""))
  75                                 quoted = quoted.substring(1);
  76                         if (quoted.endsWith("\""))
  77                                 quoted = quoted.substring(0,quoted.length()-1);
  78                         s.set(quoted);
  79                         return true;
  80                 } else {
  81                         return false;
  82                 }
  83         }
  84
  85         public boolean status() throws InterruptedException, TimeoutException {
  86                 boolean ok = false;
  87                 if (serial == null)
  88                         return false;
  89                 string_ref status_name = new string_ref();
  90                 start_serial();
  91                 serial.printf("l %d %d\n", launcher_serial, launcher_channel);
  92                 for (;;) {
  93                         String line = serial.get_reply(20000);
  94                         if (line == null)
  95                                 throw new TimeoutException();
  96                         if (get_string(line, "Rssi: ", status_name)) {
  97                                 try {
  98                                         rssi = Altos.fromdec(status_name.get());
  99                                 } catch (NumberFormatException ne) {
 100                                 }
 101                                 break;
 102                         } else if (get_string(line, "Armed: ", status_name)) {
 103                                 armed = Good;
 104                                 String status = status_name.get();
 105                                 if (status.startsWith("igniter good"))
 106                                         igniter = Good;
 107                                 else if (status.startsWith("igniter bad"))
 108                                         igniter = Bad;
 109                                 else
 110                                         igniter = Unknown;
 111                                 ok = true;
 112                         } else if (get_string(line, "Disarmed: ", status_name)) {
 113                                 armed = Bad;
 114                                 if (status_name.get().startsWith("igniter good"))
 115                                         igniter = Good;
 116                                 else if (status_name.get().startsWith("igniter bad"))
 117                                         igniter = Bad;
 118                                 else
 119                                         igniter = Unknown;
 120                                 ok = true;
 121                         } else if (get_string(line, "Error ", status_name)) {
 122                                 armed = Unknown;
 123                                 igniter = Unknown;
 124                                 ok = false;
 125                                 break;
 126                         }
 127                 }
 128                 stop_serial();
 129                 if (!ok) {
 130                         armed = Unknown;
 131                         igniter = Unknown;
 132                 }
 133                 return ok;
 134         }
 135
 136         public static String status_string(int status) {
 137                 switch (status) {
 138                 case Good:
 139                         return "good";
 140                 case Bad:
 141                         return "open";
 142                 }
 143                 return "unknown";
 144         }
 145
 146         public void arm() {
 147                 if (serial == null)
 148                         return;
 149                 try {
 150                         start_serial();
 151                         serial.printf("a %d %d\n", launcher_serial, launcher_channel);
 152                         serial.flush_output();
 153                 } catch (InterruptedException ie) {
 154                 } finally {
 155                         try {
 156                                 stop_serial();
 157                         } catch (InterruptedException ie) {
 158                         }
 159                 }
 160         }
 161
 162         public void fire() {
 163                 if (serial == null)
 164                         return;
 165                 try {
 166                         start_serial();
 167                         serial.printf("i %d %d\n", launcher_serial, launcher_channel);
 168                         serial.flush_output();
 169                 } catch (InterruptedException ie) {
 170                 } finally {
 171                         try {
 172                                 stop_serial();
 173                         } catch (InterruptedException ie) {
 174                         }
 175                 }
 176         }
 177
 178         public void close() {
 179                 try {
 180                         stop_serial();
 181                 } catch (InterruptedException ie) {
 182                 }
 183                 serial.close();
 184                 serial = null;
 185         }
 186
 187         public void set_frame(Frame frame) {
 188                 serial.set_frame(frame);
 189         }
 190
 191         public void set_remote(int in_serial, int in_channel) {
 192                 launcher_serial = in_serial;
 193                 launcher_channel = in_channel;
 194         }
 195
 196         public AltosLaunch(AltosDevice in_device) throws FileNotFoundException, AltosSerialInUseException {
 197
 198                 device = in_device;
 199                 serial = new AltosSerial(device);
 200         }
 201 }