altoslib/altosui/telegps: Switch TeleGPS config to motion/interval
authorKeith Packard <keithp@keithp.com>
Tue, 10 Jun 2014 17:14:07 +0000 (10:14 -0700)
committerKeith Packard <keithp@keithp.com>
Tue, 10 Jun 2014 17:14:07 +0000 (10:14 -0700)
TeleGPS had configurable boost-detect values; those have been replaced
with a configurable stop-tracking motion limit and logging/telemetry
interval value.

Signed-off-by: Keith Packard <keithp@keithp.com>
altoslib/AltosConfigData.java
altoslib/AltosConfigValues.java
altosui/AltosConfigUI.java
telegps/TeleGPSConfigUI.java

index 9462ae6..563bef4 100644 (file)
@@ -82,7 +82,8 @@ public class AltosConfigData implements Iterable<String> {
        public int      stored_flight;
 
        /* HAS_TRACKER */
-       public int[]    tracker_distances;
+       public int      tracker_motion;
+       public int      tracker_interval;
 
        public static String get_string(String line, String label) throws  ParseException {
                if (line.startsWith(label)) {
@@ -107,15 +108,15 @@ public class AltosConfigData implements Iterable<String> {
                throw new ParseException("mismatch", 0);
        }
 
-       public static int[] get_distances(String line, String label) throws NumberFormatException, ParseException {
+       public static int[] get_values(String line, String label) throws NumberFormatException, ParseException {
                if (line.startsWith(label)) {
                        String tail = line.substring(label.length()).trim();
                        String[] tokens = tail.split("\\s+");
                        if (tokens.length > 1) {
-                               int[]   distances = new int[2];
-                               distances[0] = Integer.parseInt(tokens[0]);
-                               distances[1] = Integer.parseInt(tokens[1]);
-                               return distances;
+                               int[]   values = new int[2];
+                               values[0] = Integer.parseInt(tokens[0]);
+                               values[1] = Integer.parseInt(tokens[1]);
+                               return values;
                        }
                }
                throw new ParseException("mismatch", 0);
@@ -250,7 +251,8 @@ public class AltosConfigData implements Iterable<String> {
 
                beep = -1;
 
-               tracker_distances = null;
+               tracker_motion = -1;
+               tracker_interval = -1;
 
                storage_size = -1;
                storage_erase_unit = -1;
@@ -333,7 +335,11 @@ public class AltosConfigData implements Iterable<String> {
                try { beep = get_int(line, "Beeper setting:"); } catch (Exception e) {}
 
                /* HAS_TRACKER */
-               try { tracker_distances = get_distances(line, "Tracker setting:"); } catch (Exception e) {}
+               try {
+                       int[] values = get_values(line, "Tracker setting:");
+                       tracker_motion = values[0];
+                       tracker_interval = values[1];
+               } catch (Exception e) {}
 
                /* Storage info replies */
                try { storage_size = get_int(line, "Storage size:"); } catch (Exception e) {}
@@ -453,8 +459,10 @@ public class AltosConfigData implements Iterable<String> {
                if (beep >= 0)
                        beep = source.beep();
                /* HAS_TRACKER */
-               if (tracker_distances != null)
-                       tracker_distances = source.tracker_distances();
+               if (tracker_motion >= 0)
+                       tracker_motion = source.tracker_motion();
+               if (tracker_interval >= 0)
+                       tracker_interval = source.tracker_interval();
        }
 
        public void set_values(AltosConfigValues dest) {
@@ -494,7 +502,8 @@ public class AltosConfigData implements Iterable<String> {
                        dest.set_pyros(null);
                dest.set_aprs_interval(aprs_interval);
                dest.set_beep(beep);
-               dest.set_tracker_distances(tracker_distances);
+               dest.set_tracker_motion(tracker_motion);
+               dest.set_tracker_interval(tracker_interval);
        }
 
        public void save(AltosLink link, boolean remote) throws InterruptedException, TimeoutException {
@@ -566,8 +575,8 @@ public class AltosConfigData implements Iterable<String> {
                        link.printf("c b %d\n", beep);
 
                /* HAS_TRACKER */
-               if (tracker_distances != null)
-                       link.printf("c t %d %d\n", tracker_distances[0], tracker_distances[1]);
+               if (tracker_motion >= 0 && tracker_interval >= 0)
+                       link.printf("c t %d %d\n", tracker_motion, tracker_interval);
 
                link.printf("c w\n");
                link.flush_output();
index 6ca1f5c..778f122 100644 (file)
@@ -27,23 +27,23 @@ public interface AltosConfigValues {
 
        public abstract void set_main_deploy(int new_main_deploy);
 
-       public abstract int main_deploy();
+       public abstract int main_deploy() throws AltosConfigDataException;
 
        public abstract void set_apogee_delay(int new_apogee_delay);
 
-       public abstract int apogee_delay();
+       public abstract int apogee_delay() throws AltosConfigDataException;
 
        public abstract void set_apogee_lockout(int new_apogee_lockout);
 
-       public abstract int apogee_lockout();
+       public abstract int apogee_lockout() throws AltosConfigDataException;
 
        public abstract void set_radio_frequency(double new_radio_frequency);
 
-       public abstract double radio_frequency();
+       public abstract double radio_frequency() throws AltosConfigDataException;
 
        public abstract void set_radio_calibration(int new_radio_calibration);
 
-       public abstract int radio_calibration();
+       public abstract int radio_calibration() throws AltosConfigDataException;
 
        public abstract void set_radio_enable(int new_radio_enable);
 
@@ -57,7 +57,7 @@ public interface AltosConfigValues {
 
        public abstract void set_flight_log_max_enabled(boolean enable);
 
-       public abstract int flight_log_max();
+       public abstract int flight_log_max() throws AltosConfigDataException;
 
        public abstract void set_flight_log_max_limit(int flight_log_max_limit);
 
@@ -73,15 +73,19 @@ public interface AltosConfigValues {
 
        public abstract AltosPyro[] pyros() throws AltosConfigDataException;
 
-       public abstract int aprs_interval();
+       public abstract int aprs_interval() throws AltosConfigDataException;
 
        public abstract void set_aprs_interval(int new_aprs_interval);
 
-       public abstract int beep();
+       public abstract int beep() throws AltosConfigDataException;
 
        public abstract void set_beep(int new_beep);
 
-       public abstract int[] tracker_distances();
+       public abstract int tracker_motion() throws AltosConfigDataException;
 
-       public abstract void set_tracker_distances(int[] tracker_distances);
+       public abstract void set_tracker_motion(int tracker_motion);
+
+       public abstract int tracker_interval() throws AltosConfigDataException;
+
+       public abstract void set_tracker_interval(int tracker_motion);
 }
index f936d92..ee54e31 100644 (file)
@@ -46,8 +46,8 @@ public class AltosConfigUI
        JLabel                  pad_orientation_label;
        JLabel                  callsign_label;
        JLabel                  beep_label;
-       JLabel                  tracker_horiz_label;
-       JLabel                  tracker_vert_label;
+       JLabel                  tracker_motion_label;
+       JLabel                  tracker_interval_label;
 
        public boolean          dirty;
 
@@ -67,8 +67,8 @@ public class AltosConfigUI
        JComboBox<String>       pad_orientation_value;
        JTextField              callsign_value;
        JComboBox<String>       beep_value;
-       JComboBox<String>       tracker_horiz_value;
-       JComboBox<String>       tracker_vert_value;
+       JComboBox<String>       tracker_motion_value;
+       JComboBox<String>       tracker_interval_value;
 
        JButton                 pyro;
 
@@ -123,32 +123,25 @@ public class AltosConfigUI
                "Antenna Down",
        };
 
-       static String[]         tracker_horiz_values_m = {
-               "250",
-               "500",
-               "1000",
-               "2000"
-       };
-
-       static String[]         tracker_horiz_values_ft = {
-               "500",
-               "1000",
-               "2500",
-               "5000"
+       static String[]         tracker_motion_values_m = {
+               "2",
+               "5",
+               "10",
+               "25",
        };
 
-       static String[]         tracker_vert_values_m = {
-               "25",
+       static String[]         tracker_motion_values_ft = {
+               "5",
+               "20",
                "50",
-               "100",
-               "200"
+               "100"
        };
 
-       static String[]         tracker_vert_values_ft = {
-               "50",
-               "100",
-               "250",
-               "500"
+       static String[]         tracker_interval_values = {
+               "1",
+               "2",
+               "5",
+               "10"
        };
 
        /* A window listener to catch closing events and tell the config code */
@@ -644,8 +637,8 @@ public class AltosConfigUI
                c.anchor = GridBagConstraints.LINE_START;
                c.insets = il;
                c.ipady = 5;
-               tracker_horiz_label = new JLabel(get_tracker_horiz_label());
-               pane.add(tracker_horiz_label, c);
+               tracker_motion_label = new JLabel(get_tracker_motion_label());
+               pane.add(tracker_motion_label, c);
 
                c = new GridBagConstraints();
                c.gridx = 4; c.gridy = row;
@@ -655,10 +648,10 @@ public class AltosConfigUI
                c.anchor = GridBagConstraints.LINE_START;
                c.insets = ir;
                c.ipady = 5;
-               tracker_horiz_value = new JComboBox<String>(tracker_horiz_values());
-               tracker_horiz_value.setEditable(true);
-               tracker_horiz_value.addItemListener(this);
-               pane.add(tracker_horiz_value, c);
+               tracker_motion_value = new JComboBox<String>(tracker_motion_values());
+               tracker_motion_value.setEditable(true);
+               tracker_motion_value.addItemListener(this);
+               pane.add(tracker_motion_value, c);
                row++;
 
                /* Tracker triger vert distances */
@@ -669,8 +662,8 @@ public class AltosConfigUI
                c.anchor = GridBagConstraints.LINE_START;
                c.insets = il;
                c.ipady = 5;
-               tracker_vert_label = new JLabel(get_tracker_vert_label());
-               pane.add(tracker_vert_label, c);
+               tracker_interval_label = new JLabel("Position Reporting Interval(s):");
+               pane.add(tracker_interval_label, c);
 
                c = new GridBagConstraints();
                c.gridx = 4; c.gridy = row;
@@ -680,10 +673,10 @@ public class AltosConfigUI
                c.anchor = GridBagConstraints.LINE_START;
                c.insets = ir;
                c.ipady = 5;
-               tracker_vert_value = new JComboBox<String>(tracker_vert_values());
-               tracker_vert_value.setEditable(true);
-               tracker_vert_value.addItemListener(this);
-               pane.add(tracker_vert_value, c);
+               tracker_interval_value = new JComboBox<String>(tracker_interval_values);
+               tracker_interval_value.setEditable(true);
+               tracker_interval_value.addItemListener(this);
+               pane.add(tracker_interval_value, c);
                set_tracker_tool_tip();
                row++;
 
@@ -892,18 +885,11 @@ public class AltosConfigUI
                int m = (int) (AltosConvert.height.parse(v, !imperial_units) + 0.5);
                set_main_deploy(m);
 
-               if (tracker_horiz_value.isEnabled() && tracker_vert_value.isEnabled()) {
-                       String th = tracker_horiz_value.getSelectedItem().toString();
-                       String tv = tracker_vert_value.getSelectedItem().toString();
-                       tracker_horiz_label.setText(get_tracker_horiz_label());
-                       tracker_vert_label.setText(get_tracker_vert_label());
-                       set_tracker_horiz_values();
-                       set_tracker_vert_values();
-                       int[] t = {
-                               (int) (AltosConvert.height.parse(th, !imperial_units) + 0.5),
-                               (int) (AltosConvert.height.parse(tv, !imperial_units) + 0.5)
-                       };
-                       set_tracker_distances(t);
+               if (tracker_motion_value.isEnabled()) {
+                       String motion = tracker_motion_value.getSelectedItem().toString();
+                       tracker_motion_label.setText(get_tracker_motion_label());
+                       set_tracker_motion_values();
+                       set_tracker_motion((int) (AltosConvert.height.parse(motion, !imperial_units) + 0.5));
                }
        }
 
@@ -1084,78 +1070,51 @@ public class AltosConfigUI
                        return -1;
        }
 
-       String[] tracker_horiz_values() {
+       String[] tracker_motion_values() {
                if (AltosConvert.imperial_units)
-                       return tracker_horiz_values_ft;
+                       return tracker_motion_values_ft;
                else
-                       return tracker_horiz_values_m;
+                       return tracker_motion_values_m;
        }
 
-       void set_tracker_horiz_values() {
-               String[]        v = tracker_horiz_values();
-               while (tracker_horiz_value.getItemCount() > 0)
-                       tracker_horiz_value.removeItemAt(0);
+       void set_tracker_motion_values() {
+               String[]        v = tracker_motion_values();
+               while (tracker_motion_value.getItemCount() > 0)
+                       tracker_motion_value.removeItemAt(0);
                for (int i = 0; i < v.length; i++)
-                       tracker_horiz_value.addItem(v[i]);
-               tracker_horiz_value.setMaximumRowCount(v.length);
+                       tracker_motion_value.addItem(v[i]);
+               tracker_motion_value.setMaximumRowCount(v.length);
        }
 
-       String get_tracker_horiz_label() {
-               return String.format("Logging Trigger Horizontal (%s):", AltosConvert.height.show_units());
-       }
-
-       String[] tracker_vert_values() {
-               if (AltosConvert.imperial_units)
-                       return tracker_vert_values_ft;
-               else
-                       return tracker_vert_values_m;
-       }
-
-       void set_tracker_vert_values() {
-               String[]        v = tracker_vert_values();
-               while (tracker_vert_value.getItemCount() > 0)
-                       tracker_vert_value.removeItemAt(0);
-               for (int i = 0; i < v.length; i++)
-                       tracker_vert_value.addItem(v[i]);
-               tracker_vert_value.setMaximumRowCount(v.length);
+       String get_tracker_motion_label() {
+               return String.format("Logging Trigger Motion (%s):", AltosConvert.height.show_units());
        }
 
        void set_tracker_tool_tip() {
-               if (tracker_horiz_value.isEnabled())
-                       tracker_horiz_value.setToolTipText("How far the device must move before logging is enabled");
+               if (tracker_motion_value.isEnabled())
+                       tracker_motion_value.setToolTipText("How far the device must move before logging");
                else
-                       tracker_horiz_value.setToolTipText("This device doesn't disable logging before motion");
-               if (tracker_vert_value.isEnabled())
-                       tracker_vert_value.setToolTipText("How far the device must move before logging is enabled");
+                       tracker_motion_value.setToolTipText("This device doesn't disable logging when stationary");
+               if (tracker_interval_value.isEnabled())
+                       tracker_interval_value.setToolTipText("How often to report GPS position");
                else
-                       tracker_vert_value.setToolTipText("This device doesn't disable logging before motion");
+                       tracker_interval_value.setToolTipText("This device can't configure interval");
        }
 
-       String get_tracker_vert_label() {
-               return String.format("Logging Trigger Vertical (%s):", AltosConvert.height.show_units());
+       public void set_tracker_motion(int tracker_motion) {
+               tracker_motion_value.setSelectedItem(AltosConvert.height.say(tracker_motion));
        }
 
-       public void set_tracker_distances(int[] tracker_distances) {
-               if (tracker_distances != null) {
-                       tracker_horiz_value.setSelectedItem(AltosConvert.height.say(tracker_distances[0]));
-                       tracker_vert_value.setSelectedItem(AltosConvert.height.say(tracker_distances[1]));
-                       tracker_horiz_value.setEnabled(true);
-                       tracker_vert_value.setEnabled(true);
-               } else {
-                       tracker_horiz_value.setEnabled(false);
-                       tracker_vert_value.setEnabled(false);
-               }
+       public int tracker_motion() throws AltosConfigDataException {
+               return (int) AltosConvert.height.parse(tracker_motion_value.getSelectedItem().toString());
        }
 
-       public int[] tracker_distances() {
-               if (tracker_horiz_value.isEnabled() && tracker_vert_value.isEnabled()) {
-                       int[] t = {
-                               (int) (AltosConvert.height.parse(tracker_horiz_value.getSelectedItem().toString()) + 0.5),
-                               (int) (AltosConvert.height.parse(tracker_vert_value.getSelectedItem().toString()) + 0.5),
-                       };
-                       return t;
-               }
-               return null;
+       public void set_tracker_interval(int tracker_interval) {
+               tracker_interval_value.setSelectedItem(String.format("%d", tracker_interval));
+       }
+
+       public int tracker_interval() throws AltosConfigDataException {
+               return parse_int ("tracker interval", tracker_interval_value.getSelectedItem().toString(), false);
        }
 
        public void set_pyros(AltosPyro[] new_pyros) {
index 0366603..325ca7b 100644 (file)
@@ -40,8 +40,8 @@ public class TeleGPSConfigUI
        JLabel                  aprs_interval_label;
        JLabel                  flight_log_max_label;
        JLabel                  callsign_label;
-       JLabel                  tracker_horiz_label;
-       JLabel                  tracker_vert_label;
+       JLabel                  tracker_motion_label;
+       JLabel                  tracker_interval_label;
 
        public boolean          dirty;
 
@@ -55,8 +55,8 @@ public class TeleGPSConfigUI
        JComboBox<String>       aprs_interval_value;
        JComboBox<String>       flight_log_max_value;
        JTextField              callsign_value;
-       JComboBox<String>       tracker_horiz_value;
-       JComboBox<String>       tracker_vert_value;
+       JComboBox<String>       tracker_motion_value;
+       JComboBox<String>       tracker_interval_value;
 
        JButton                 save;
        JButton                 reset;
@@ -72,32 +72,25 @@ public class TeleGPSConfigUI
                "10"
        };
 
-       static String[]         tracker_horiz_values_m = {
-               "250",
-               "500",
-               "1000",
-               "2000"
-       };
-
-       static String[]         tracker_horiz_values_ft = {
-               "500",
-               "1000",
-               "2500",
-               "5000"
+       static String[]         tracker_motion_values_m = {
+               "2",
+               "5",
+               "10",
+               "25",
        };
 
-       static String[]         tracker_vert_values_m = {
-               "25",
+       static String[]         tracker_motion_values_ft = {
+               "5",
+               "20",
                "50",
-               "100",
-               "200"
+               "100"
        };
 
-       static String[]         tracker_vert_values_ft = {
-               "50",
-               "100",
-               "250",
-               "500"
+       static String[]         tracker_interval_values = {
+               "1",
+               "2",
+               "5",
+               "10"
        };
 
        /* A window listener to catch closing events and tell the config code */
@@ -396,8 +389,8 @@ public class TeleGPSConfigUI
                c.anchor = GridBagConstraints.LINE_START;
                c.insets = il;
                c.ipady = 5;
-               tracker_horiz_label = new JLabel(get_tracker_horiz_label());
-               pane.add(tracker_horiz_label, c);
+               tracker_motion_label = new JLabel(get_tracker_motion_label());
+               pane.add(tracker_motion_label, c);
 
                c = new GridBagConstraints();
                c.gridx = 4; c.gridy = row;
@@ -407,10 +400,10 @@ public class TeleGPSConfigUI
                c.anchor = GridBagConstraints.LINE_START;
                c.insets = ir;
                c.ipady = 5;
-               tracker_horiz_value = new JComboBox<String>(tracker_horiz_values());
-               tracker_horiz_value.setEditable(true);
-               tracker_horiz_value.addItemListener(this);
-               pane.add(tracker_horiz_value, c);
+               tracker_motion_value = new JComboBox<String>(tracker_motion_values());
+               tracker_motion_value.setEditable(true);
+               tracker_motion_value.addItemListener(this);
+               pane.add(tracker_motion_value, c);
                row++;
 
                /* Tracker triger vert distances */
@@ -421,8 +414,8 @@ public class TeleGPSConfigUI
                c.anchor = GridBagConstraints.LINE_START;
                c.insets = il;
                c.ipady = 5;
-               tracker_vert_label = new JLabel(get_tracker_vert_label());
-               pane.add(tracker_vert_label, c);
+               tracker_interval_label = new JLabel("Position Reporting Interval (s):");
+               pane.add(tracker_interval_label, c);
 
                c = new GridBagConstraints();
                c.gridx = 4; c.gridy = row;
@@ -432,10 +425,10 @@ public class TeleGPSConfigUI
                c.anchor = GridBagConstraints.LINE_START;
                c.insets = ir;
                c.ipady = 5;
-               tracker_vert_value = new JComboBox<String>(tracker_vert_values());
-               tracker_vert_value.setEditable(true);
-               tracker_vert_value.addItemListener(this);
-               pane.add(tracker_vert_value, c);
+               tracker_interval_value = new JComboBox<String>(tracker_interval_values);
+               tracker_interval_value.setEditable(true);
+               tracker_interval_value.addItemListener(this);
+               pane.add(tracker_interval_value, c);
                set_tracker_tool_tip();
                row++;
 
@@ -566,18 +559,11 @@ public class TeleGPSConfigUI
        }
 
        public void units_changed(boolean imperial_units) {
-               if (tracker_horiz_value.isEnabled() && tracker_vert_value.isEnabled()) {
-                       String th = tracker_horiz_value.getSelectedItem().toString();
-                       String tv = tracker_vert_value.getSelectedItem().toString();
-                       tracker_horiz_label.setText(get_tracker_horiz_label());
-                       tracker_vert_label.setText(get_tracker_vert_label());
-                       set_tracker_horiz_values();
-                       set_tracker_vert_values();
-                       int[] t = {
-                               (int) (AltosConvert.height.parse(th, !imperial_units) + 0.5),
-                               (int) (AltosConvert.height.parse(tv, !imperial_units) + 0.5)
-                       };
-                       set_tracker_distances(t);
+               if (tracker_motion_value.isEnabled()) {
+                       String motion = tracker_motion_value.getSelectedItem().toString();
+                       tracker_motion_label.setText(get_tracker_motion_label());
+                       set_tracker_motion_values();
+                       set_tracker_motion((int) (AltosConvert.height.parse(motion, !imperial_units) + 0.5));
                }
        }
 
@@ -723,78 +709,51 @@ public class TeleGPSConfigUI
 
        public int beep() { return -1; }
 
-       String[] tracker_horiz_values() {
+       String[] tracker_motion_values() {
                if (AltosConvert.imperial_units)
-                       return tracker_horiz_values_ft;
+                       return tracker_motion_values_ft;
                else
-                       return tracker_horiz_values_m;
+                       return tracker_motion_values_m;
        }
 
-       void set_tracker_horiz_values() {
-               String[]        v = tracker_horiz_values();
-               while (tracker_horiz_value.getItemCount() > 0)
-                       tracker_horiz_value.removeItemAt(0);
+       void set_tracker_motion_values() {
+               String[]        v = tracker_motion_values();
+               while (tracker_motion_value.getItemCount() > 0)
+                       tracker_motion_value.removeItemAt(0);
                for (int i = 0; i < v.length; i++)
-                       tracker_horiz_value.addItem(v[i]);
-               tracker_horiz_value.setMaximumRowCount(v.length);
-       }
-
-       String get_tracker_horiz_label() {
-               return String.format("Logging Trigger Horizontal (%s):", AltosConvert.height.show_units());
-       }
-
-       String[] tracker_vert_values() {
-               if (AltosConvert.imperial_units)
-                       return tracker_vert_values_ft;
-               else
-                       return tracker_vert_values_m;
+                       tracker_motion_value.addItem(v[i]);
+               tracker_motion_value.setMaximumRowCount(v.length);
        }
 
-       void set_tracker_vert_values() {
-               String[]        v = tracker_vert_values();
-               while (tracker_vert_value.getItemCount() > 0)
-                       tracker_vert_value.removeItemAt(0);
-               for (int i = 0; i < v.length; i++)
-                       tracker_vert_value.addItem(v[i]);
-               tracker_vert_value.setMaximumRowCount(v.length);
+       String get_tracker_motion_label() {
+               return String.format("Logging Trigger Motion (%s):", AltosConvert.height.show_units());
        }
 
        void set_tracker_tool_tip() {
-               if (tracker_horiz_value.isEnabled())
-                       tracker_horiz_value.setToolTipText("How far the device must move before logging is enabled");
+               if (tracker_motion_value.isEnabled())
+                       tracker_motion_value.setToolTipText("How far the device must move before logging");
                else
-                       tracker_horiz_value.setToolTipText("This device doesn't disable logging before motion");
-               if (tracker_vert_value.isEnabled())
-                       tracker_vert_value.setToolTipText("How far the device must move before logging is enabled");
+                       tracker_motion_value.setToolTipText("This device doesn't disable logging when stationary");
+               if (tracker_interval_value.isEnabled())
+                       tracker_interval_value.setToolTipText("How often to report GPS position");
                else
-                       tracker_vert_value.setToolTipText("This device doesn't disable logging before motion");
+                       tracker_interval_value.setToolTipText("This device can't configure interval");
        }
 
-       String get_tracker_vert_label() {
-               return String.format("Logging Trigger Vertical (%s):", AltosConvert.height.show_units());
+       public void set_tracker_motion(int tracker_motion) {
+               tracker_motion_value.setSelectedItem(AltosConvert.height.say(tracker_motion));
        }
 
-       public void set_tracker_distances(int[] tracker_distances) {
-               if (tracker_distances != null) {
-                       tracker_horiz_value.setSelectedItem(AltosConvert.height.say(tracker_distances[0]));
-                       tracker_vert_value.setSelectedItem(AltosConvert.height.say(tracker_distances[1]));
-                       tracker_horiz_value.setEnabled(true);
-                       tracker_vert_value.setEnabled(true);
-               } else {
-                       tracker_horiz_value.setEnabled(false);
-                       tracker_vert_value.setEnabled(false);
-               }
+       public int tracker_motion() throws AltosConfigDataException {
+               return (int) AltosConvert.height.parse(tracker_motion_value.getSelectedItem().toString());
        }
 
-       public int[] tracker_distances() {
-               if (tracker_horiz_value.isEnabled() && tracker_vert_value.isEnabled()) {
-                       int[] t = {
-                               (int) (AltosConvert.height.parse(tracker_horiz_value.getSelectedItem().toString()) + 0.5),
-                               (int) (AltosConvert.height.parse(tracker_vert_value.getSelectedItem().toString()) + 0.5),
-                       };
-                       return t;
-               }
-               return null;
+       public void set_tracker_interval(int tracker_interval) {
+               tracker_interval_value.setSelectedItem(String.format("%d", tracker_interval));
+       }
+
+       public int tracker_interval() throws AltosConfigDataException {
+               return parse_int ("tracker interval", tracker_interval_value.getSelectedItem().toString(), false);
        }
 
        public void set_aprs_interval(int new_aprs_interval) {