altosui: Separate out flash debug code to separate thread
authorKeith Packard <keithp@keithp.com>
Tue, 26 Apr 2011 04:17:07 +0000 (21:17 -0700)
committerKeith Packard <keithp@keithp.com>
Tue, 26 Apr 2011 04:17:07 +0000 (21:17 -0700)
This avoids blocking the Swing thread while waiting for the serial
device.

Signed-off-by: Keith Packard <keithp@keithp.com>
altosui/AltosFlash.java
altosui/AltosFlashUI.java
altosui/AltosRomconfigUI.java
altosui/AltosUI.java

index 802adc8..e91e980 100644 (file)
@@ -28,7 +28,7 @@ import java.text.*;
 import java.util.prefs.*;
 import java.util.concurrent.LinkedBlockingQueue;
 
-public class AltosFlash implements Runnable {
+public class AltosFlash {
        File            file;
        FileInputStream input;
        AltosHexfile    image;
@@ -252,9 +252,7 @@ public class AltosFlash implements Runnable {
                throw new IOException("Failed to execute program on target");
        }
 
-       Thread thread;
-
-       public void run() {
+       public void flash() {
                try {
                        if (!check_rom_config())
                                throw new IOException("Invalid rom config settings");
@@ -333,15 +331,14 @@ public class AltosFlash implements Runnable {
                }
        }
 
-       public void flash() {
-               thread = new Thread(this);
-               thread.start();
+       public void close() {
+               if (debug != null)
+                       debug.close();
        }
 
        synchronized public void abort() {
                aborted = true;
-               if (debug != null)
-                       debug.close();
+               close();
        }
 
        public void addActionListener(ActionListener l) {
index ad7aeac..3874b50 100644 (file)
@@ -26,7 +26,7 @@ import java.io.*;
 import java.util.*;
 import java.text.*;
 import java.util.prefs.*;
-import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.*;
 
 public class AltosFlashUI
        extends JDialog
@@ -41,14 +41,24 @@ public class AltosFlashUI
        JProgressBar    pbar;
        JButton         cancel;
 
-       File            file;
-       Thread          thread;
        JFrame          frame;
+
+       // Hex file with rom image
+       File            file;
+
+       // Debug connection
        AltosDevice     debug_dongle;
+
+       // Desired Rom configuration
+       AltosRomconfig  rom_config;
+
+       // Flash controller
        AltosFlash      flash;
 
        public void actionPerformed(ActionEvent e) {
                if (e.getSource() == cancel) {
+                       if (flash != null)
+                               flash.abort();
                        setVisible(false);
                        dispose();
                } else {
@@ -111,7 +121,7 @@ public class AltosFlashUI
                c.gridx = 1; c.gridy = 1;
                c.anchor = GridBagConstraints.LINE_START;
                c.insets = ir;
-               file_value = new JLabel("");
+               file_value = new JLabel(file.toString());
                pane.add(file_value, c);
 
                pbar = new JProgressBar();
@@ -144,18 +154,11 @@ public class AltosFlashUI
                setLocationRelativeTo(frame);
        }
 
-       public AltosFlashUI(JFrame in_frame) {
-               super(in_frame, "Program Altusmetrum Device", false);
-
-               frame = in_frame;
-
-               build_dialog();
-
-               debug_dongle = AltosDeviceDialog.show(frame, Altos.product_any);
-
-               if (debug_dongle == null)
-                       return;
+       void set_serial(int serial_number) {
+               serial_value.setText(String.format("%d", serial_number));
+       }
 
+       boolean select_source_file() {
                JFileChooser    hexfile_chooser = new JFileChooser();
 
                File firmwaredir = AltosPreferences.firmwaredir();
@@ -167,46 +170,128 @@ public class AltosFlashUI
                int returnVal = hexfile_chooser.showOpenDialog(frame);
 
                if (returnVal != JFileChooser.APPROVE_OPTION)
-                       return;
-
+                       return false;
                file = hexfile_chooser.getSelectedFile();
+               if (file == null)
+                       return false;
+               AltosPreferences.set_firmwaredir(file.getParentFile());
+               return true;
+       }
 
-               if (file != null)
-                       AltosPreferences.set_firmwaredir(file.getParentFile());
+       boolean select_debug_dongle() {
+               debug_dongle = AltosDeviceDialog.show(frame, Altos.product_any);
 
-               try {
-                       flash = new AltosFlash(file, debug_dongle);
-                       flash.addActionListener(this);
-                       AltosRomconfigUI romconfig_ui = new AltosRomconfigUI (frame);
+               if (debug_dongle == null)
+                       return false;
+               return true;
+       }
 
-                       romconfig_ui.set(flash.romconfig());
-                       AltosRomconfig romconfig = romconfig_ui.showDialog();
+       boolean update_rom_config_info(AltosRomconfig existing_config) {
+               AltosRomconfig  new_config;
+               new_config = AltosRomconfigUI.show(frame, existing_config);
+               if (new_config == null)
+                       return false;
+               rom_config = new_config;
+               set_serial(rom_config.serial_number);
+               setVisible(true);
+               return true;
+       }
 
-                       if (romconfig != null && romconfig.valid()) {
-                               flash.set_romconfig(romconfig);
-                               serial_value.setText(String.format("%d",
-                                                                  flash.romconfig().serial_number));
-                               file_value.setText(file.toString());
-                               setVisible(true);
-                               flash.flash();
-                       }
-               } catch (FileNotFoundException ee) {
+       void exception (Exception e) {
+               if (e instanceof FileNotFoundException) {
                        JOptionPane.showMessageDialog(frame,
                                                      "Cannot open image",
                                                      file.toString(),
                                                      JOptionPane.ERROR_MESSAGE);
-               } catch (AltosSerialInUseException si) {
+               } else if (e instanceof AltosSerialInUseException) {
                        JOptionPane.showMessageDialog(frame,
                                                      String.format("Device \"%s\" already in use",
                                                                    debug_dongle.toShortString()),
                                                      "Device in use",
                                                      JOptionPane.ERROR_MESSAGE);
-               } catch (IOException e) {
+               } else if (e instanceof IOException) {
                        JOptionPane.showMessageDialog(frame,
                                                      e.getMessage(),
                                                      file.toString(),
                                                      JOptionPane.ERROR_MESSAGE);
-               } catch (InterruptedException ie) {
                }
        }
+
+       class flash_task implements Runnable {
+               AltosFlashUI    ui;
+               Thread          t;
+               AltosFlash      flash;
+
+               public void run () {
+                       try {
+                               flash = new AltosFlash(ui.file, ui.debug_dongle);
+                               flash.addActionListener(ui);
+
+                               final AltosRomconfig    current_config = flash.romconfig();
+
+                               final Semaphore await_rom_config = new Semaphore(0);
+                               SwingUtilities.invokeLater(new Runnable() {
+                                               public void run() {
+                                                       ui.flash = flash;
+                                                       ui.update_rom_config_info(current_config);
+                                                       System.out.printf("Done updating rom config info\n");
+                                                       await_rom_config.release();
+                                               }
+                                       });
+                               System.out.printf("Waiting for rom configuration updates\n");
+                               await_rom_config.acquire();
+                               System.out.printf("Got rom config update\n");
+
+                               if (ui.rom_config != null) {
+                                       System.out.printf("rom_config not null\n");
+                                       flash.set_romconfig(ui.rom_config);
+                                       flash.flash();
+                               }
+                       } catch (Exception ee) {
+                               final Exception e = ee;
+                               System.out.printf("exception %s\n", e.toString());
+                               SwingUtilities.invokeLater(new Runnable() {
+                                               public void run() {
+                                                       ui.exception(e);
+                                               }
+                                       });
+                       }
+                       if (flash != null)
+                               flash.close();
+               }
+
+               public flash_task(AltosFlashUI in_ui) {
+                       ui = in_ui;
+                       t = new Thread(this);
+                       t.start();
+               }
+       }
+
+       flash_task      flasher;
+
+       /*
+        * Execute the steps for flashing
+        * a device. Note that this returns immediately;
+        * this dialog is not modal
+        */
+       void showDialog() {
+               if (!select_debug_dongle())
+                       return;
+               if (!select_source_file())
+                       return;
+               build_dialog();
+               flash_task      f = new flash_task(this);
+       }
+
+       static void show(JFrame frame) {
+               AltosFlashUI    ui = new AltosFlashUI(frame);
+
+               ui.showDialog();
+       }
+
+       public AltosFlashUI(JFrame in_frame) {
+               super(in_frame, "Program Altusmetrum Device", false);
+
+               frame = in_frame;
+       }
 }
\ No newline at end of file
index e1dc974..7e21735 100644 (file)
@@ -126,6 +126,11 @@ public class AltosRomconfigUI
                setLocationRelativeTo(owner);
        }
 
+       public AltosRomconfigUI(JFrame frame, AltosRomconfig config) {
+               this(frame);
+               set(config);
+       }
+
        boolean selected;
 
        /* Listen for events from our buttons */
@@ -183,4 +188,9 @@ public class AltosRomconfigUI
                        return romconfig();
                return null;
        }
+
+       public static AltosRomconfig show(JFrame frame, AltosRomconfig config) {
+               AltosRomconfigUI ui = new AltosRomconfigUI(frame, config);
+               return ui.showDialog();
+       }
 }
index 7955c1c..7bb4ba1 100644 (file)
@@ -219,7 +219,7 @@ public class AltosUI extends JFrame {
        }
 
        void FlashImage() {
-               new AltosFlashUI(AltosUI.this);
+               AltosFlashUI.show(AltosUI.this);
        }
 
        void FireIgniter() {