Use RXTX for serial comm. Add logdir preference saving
authorKeith Packard <keithp@keithp.com>
Sun, 4 Apr 2010 23:32:04 +0000 (16:32 -0700)
committerKeith Packard <keithp@keithp.com>
Sun, 4 Apr 2010 23:32:04 +0000 (16:32 -0700)
ao-tools/altosui/AltosSerial.java
ao-tools/altosui/AltosUI.java

index 9537f19..305222d 100644 (file)
@@ -26,6 +26,7 @@ import java.io.*;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.LinkedList;
 import java.util.Iterator;
+import gnu.io.*;
 import altosui.AltosSerialMonitor;
 
 /*
@@ -34,7 +35,7 @@ import altosui.AltosSerialMonitor;
  * threads.
  */
 class AltosSerialReader implements Runnable {
-       FileInputStream serial_in;
+       InputStream     serial_in;
        LinkedBlockingQueue<String> monitor_queue;
        LinkedBlockingQueue<String> reply_queue;
        Thread input_thread;
@@ -109,6 +110,12 @@ class AltosSerialReader implements Runnable {
                input_thread = new Thread(this);
                input_thread.start();
        }
+       public void open(CommPort c) throws IOException {
+               close();
+               serial_in = c.getInputStream();
+               input_thread = new Thread(this);
+               input_thread.start();
+       }
        public AltosSerialReader () {
                serial_in = null;
                input_thread = null;
@@ -120,7 +127,7 @@ class AltosSerialReader implements Runnable {
 }
 
 public class AltosSerial implements Runnable {
-       FileOutputStream serial_out = null;
+       OutputStream serial_out = null;
        Thread monitor_thread = null;
        AltosSerialReader reader = null;
        LinkedList<AltosSerialMonitor> callbacks;
@@ -188,11 +195,19 @@ public class AltosSerial implements Runnable {
        public void open(File serial_name) throws FileNotFoundException {
                reader.open(serial_name);
                serial_out = new FileOutputStream(serial_name);
-               try {
-                       serial_out.write('?');
-                       serial_out.write('\r');
-               } catch (IOException e) {
-               }
+       }
+
+       public void open(CommPort comm_port) throws IOException {
+               reader.open(comm_port);
+               serial_out = comm_port.getOutputStream();
+       }
+
+       public void connect(String port_name) throws IOException, NoSuchPortException, PortInUseException {
+               System.out.printf("Opening serial port %s\n", port_name);
+               CommPort comm_port = new RXTXPort(port_name);
+//             CommPortIdentifier port_identifier = CommPortIdentifier.getPortIdentifier(port_name);
+//             CommPort comm_port = port_identifier.open("Altos", 1000);
+               open(comm_port);
        }
 
        void init() {
@@ -208,4 +223,9 @@ public class AltosSerial implements Runnable {
                init();
                open(serial_name);
        }
+
+       public AltosSerial(CommPort comm_port) throws IOException {
+               init();
+               open(comm_port);
+       }
 }
index 8880618..ab5f182 100644 (file)
@@ -25,7 +25,8 @@ import javax.swing.table.*;
 import java.io.*;
 import java.util.*;
 import java.text.*;
-import gnu.io.CommPortIdentifier;
+import java.util.prefs.*;
+import gnu.io.*;
 
 import altosui.AltosSerial;
 import altosui.AltosSerialMonitor;
@@ -337,32 +338,63 @@ public class AltosUI extends JFrame {
                info_finish();
        }
 
+       /* User Preferences */
+       Preferences altosui_preferences = Preferences.userNodeForPackage(this.getClass());
 
-       final JFileChooser deviceChooser = new JFileChooser();
-       final JFileChooser logdirChooser = new JFileChooser();
-       final String logdirName = "TeleMetrum";
-       File logdir = null;
+       /* Log directory */
+       private File logdir = null;
 
-       private void setLogdir() {
-               if (logdir == null)
-                       logdir = new File(logdirChooser.getCurrentDirectory(), logdirName);
-               logdirChooser.setCurrentDirectory(logdir);
+       /* logdir preference name */
+       final static String logdirPreference = "LOGDIR";
+
+       /* Default logdir is ~/TeleMetrum */
+       final static String logdirName = "TeleMetrum";
+
+       /* Initialize logdir from preferences */
+       {
+               String logdir_string = altosui_preferences.get(logdirPreference, null);
+               if (logdir_string != null)
+                       logdir = new File(logdir_string);
+               else
+                       /* a hack -- make the file chooser tell us what the default directory
+                        * would be and stick our logdir in a subdirectory of that.
+                        */
+                       logdir = new File(new JFileChooser().getCurrentDirectory(), logdirName);
+       }
+
+       private void set_logdir(File new_logdir) {
+               logdir = new_logdir;
+               System.out.printf("Set logdir to %s\n", logdir.toString());
+               synchronized (altosui_preferences) {
+                       altosui_preferences.put(logdirPreference, logdir.getPath());
+                       try {
+                               altosui_preferences.flush();
+                       } catch (BackingStoreException ee) {
+                               JOptionPane.showMessageDialog(AltosUI.this,
+                                                             altosui_preferences.absolutePath(),
+                                                             "Cannot save prefernces",
+                                                             JOptionPane.ERROR_MESSAGE);
+                       }
+               }
        }
 
-       private void makeLogdir() {
-               setLogdir();
-               if (!logdir.exists()) {
-                       if (!logdir.mkdirs())
+       private boolean check_dir(File dir) {
+               if (!dir.exists()) {
+                       if (!dir.mkdirs()) {
                                JOptionPane.showMessageDialog(AltosUI.this,
-                                                             logdir.getName(),
+                                                             dir.getName(),
                                                              "Cannot create directory",
                                                              JOptionPane.ERROR_MESSAGE);
-               } else if (!logdir.isDirectory()) {
+                               return false;
+                       }
+               } else if (!dir.isDirectory()) {
                        JOptionPane.showMessageDialog(AltosUI.this,
-                                                     logdir.getName(),
+                                                     dir.getName(),
                                                      "Is not a directory",
                                                      JOptionPane.ERROR_MESSAGE);
+                       return false;
                }
+               return true;
        }
 
        private void PickSerialDevice() {
@@ -374,18 +406,33 @@ public class AltosUI extends JFrame {
        }
 
        private void ConnectToDevice() {
-               PickSerialDevice();
-               int returnVal = deviceChooser.showOpenDialog(AltosUI.this);
+               JFileChooser    device_chooser = new JFileChooser();
+               int returnVal = device_chooser.showOpenDialog(AltosUI.this);
 
                if (returnVal == JFileChooser.APPROVE_OPTION) {
-                       File file = deviceChooser.getSelectedFile();
+                       File file = device_chooser.getSelectedFile();
                        try {
-                               serialLine.open(file);
+                               serialLine.connect(file.getCanonicalPath());
                        } catch (FileNotFoundException ee) {
                                JOptionPane.showMessageDialog(AltosUI.this,
                                                              file.getName(),
                                                              "Cannot open serial port",
                                                              JOptionPane.ERROR_MESSAGE);
+                       } catch (NoSuchPortException ee) {
+                               JOptionPane.showMessageDialog(AltosUI.this,
+                                                             file.getName(),
+                                                             "No such serial port",
+                                                             JOptionPane.ERROR_MESSAGE);
+                       } catch (PortInUseException ee) {
+                               JOptionPane.showMessageDialog(AltosUI.this,
+                                                             file.getName(),
+                                                             "Port in use",
+                                                             JOptionPane.ERROR_MESSAGE);
+                       } catch (IOException ee) {
+                               JOptionPane.showMessageDialog(AltosUI.this,
+                                                             file.getName(),
+                                                             "Unkonwn I/O error",
+                                                             JOptionPane.ERROR_MESSAGE);
                        }
                }
        }
@@ -456,14 +503,19 @@ public class AltosUI extends JFrame {
                }
        }
 
+       /*
+        * Replay a flight from telemetry data
+        */
        private void Replay() {
-               setLogdir();
-               logdirChooser.setDialogTitle("Select Telemetry File");
-               logdirChooser.setFileFilter(new FileNameExtensionFilter("Telemetry file", "telem"));
-               int returnVal = logdirChooser.showOpenDialog(AltosUI.this);
+               JFileChooser    logfile_chooser = new JFileChooser();
+
+               logfile_chooser.setDialogTitle("Select Telemetry File");
+               logfile_chooser.setFileFilter(new FileNameExtensionFilter("Telemetry file", "telem"));
+               logfile_chooser.setCurrentDirectory(logdir);
+               int returnVal = logfile_chooser.showOpenDialog(AltosUI.this);
 
                if (returnVal == JFileChooser.APPROVE_OPTION) {
-                       File file = logdirChooser.getSelectedFile();
+                       File file = logfile_chooser.getSelectedFile();
                        if (file == null)
                                System.out.println("No file selected?");
                        String  filename = file.getName();
@@ -480,9 +532,30 @@ public class AltosUI extends JFrame {
                }
        }
 
+       /*
+        * Connect to TeleMetrum, either directly or through
+        * a TeleDongle over the packet link
+        */
        private void SaveFlightData() {
        }
 
+       /* Configure the log directory. This is where all telemetry and eeprom files
+        * will be written to, and where replay will look for telemetry files
+        */
+       private void ConfigureLog() {
+               JFileChooser    logdir_chooser = new JFileChooser();
+
+               logdir_chooser.setDialogTitle("Configure Data Logging Directory");
+               logdir_chooser.setCurrentDirectory(logdir.getParentFile());
+               logdir_chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
+
+               if (logdir_chooser.showDialog(AltosUI.this, "Select Directory") == JFileChooser.APPROVE_OPTION) {
+                       File dir = logdir_chooser.getSelectedFile();
+                       if (check_dir(dir))
+                               set_logdir(dir);
+               }
+       }
+
        private void createMenu() {
                JMenuBar menubar = new JMenuBar();
                JMenu menu;
@@ -562,6 +635,7 @@ public class AltosUI extends JFrame {
                        item = new JMenuItem("Configure Log",KeyEvent.VK_C);
                        item.addActionListener(new ActionListener() {
                                        public void actionPerformed(ActionEvent e) {
+                                               ConfigureLog();
                                        }
                                });
                        menu.add(item);