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