altosui: Show time since last packet in flight status window

Makes it easy to see when the UI is wedged, and when telemetry data
are being successfully received.

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/altosui/AltosFlightStatus.java b/altosui/AltosFlightStatus.java
index ed27338432564682dcfa327a8e11abc5a044edff..45e55b4b787286a9defa3582d676257f9d5e7987 100644 (file)
--- a/altosui/AltosFlightStatus.java
+++ b/altosui/AltosFlightStatus.java
@@ -119,18 +119,31 @@ public class AltosFlightStatus extends JComponent implements AltosFlightDisplay
                        value.setText(String.format("%d", state.data.rssi));
                }
                public RSSI (GridBagLayout layout, int x) {
-                       super (layout, x, "RSSI (dBm)");
+                       super (layout, x, "RSSI");
                }
        }
 
        RSSI rssi;
 
+       class LastPacket extends FlightValue {
+               void show(AltosState state, int crc_errors) {
+                       long secs = (System.currentTimeMillis() - state.report_time + 500) / 1000;
+                       value.setText(String.format("%d", secs));
+               }
+               public LastPacket(GridBagLayout layout, int x) {
+                       super (layout, x, "Age");
+               }
+       }
+
+       LastPacket last_packet;
+
        public void reset () {
                call.reset();
                serial.reset();
                flight.reset();
                flight_state.reset();
                rssi.reset();
+               last_packet.reset();
        }
 
        public void set_font () {
@@ -139,6 +152,7 @@ public class AltosFlightStatus extends JComponent implements AltosFlightDisplay
                flight.set_font();
                flight_state.set_font();
                rssi.set_font();
+               last_packet.set_font();
        }
 
        public void show (AltosState state, int crc_errors) {
@@ -147,6 +161,7 @@ public class AltosFlightStatus extends JComponent implements AltosFlightDisplay
                flight.show(state, crc_errors);
                flight_state.show(state, crc_errors);
                rssi.show(state, crc_errors);
+               last_packet.show(state, crc_errors);
        }
 
        public int height() {
@@ -164,5 +179,6 @@ public class AltosFlightStatus extends JComponent implements AltosFlightDisplay
                flight = new Flight(layout, 2);
                flight_state = new FlightState(layout, 3);
                rssi = new RSSI(layout, 4);
+               last_packet = new LastPacket(layout, 5);
        }
 }

diff --git a/altosui/AltosFlightUI.java b/altosui/AltosFlightUI.java
index d166c9aefbb30147d06118f0e11a55487903e2c5..dcf852776a0904f4dd78850bb9300c3056440b6c 100644 (file)
--- a/altosui/AltosFlightUI.java
+++ b/altosui/AltosFlightUI.java
@@ -28,6 +28,21 @@ import java.text.*;
 import java.util.prefs.*;
 import java.util.concurrent.*;
 
+class AltosFlightStatusUpdate implements ActionListener {
+
+       public AltosState       saved_state;
+       AltosFlightStatus       flightStatus;
+
+       public void actionPerformed (ActionEvent e) {
+               if (saved_state != null)
+                       flightStatus.show(saved_state, 0);
+       }
+
+       public AltosFlightStatusUpdate (AltosFlightStatus in_flightStatus) {
+               flightStatus = in_flightStatus;
+       }
+}
+
 public class AltosFlightUI extends AltosFrame implements AltosFlightDisplay, AltosFontListener {
        AltosVoice              voice;
        AltosFlightReader       reader;
@@ -98,7 +113,11 @@ public class AltosFlightUI extends AltosFrame implements AltosFlightDisplay, Alt
                set_font();
        }
 
+
+       AltosFlightStatusUpdate status_update;
+
        public void show(AltosState state, int crc_errors) {
+               status_update.saved_state = state;
                JComponent tab = which_tab(state);
                try {
                pad.show(state, crc_errors);
@@ -151,6 +170,8 @@ public class AltosFlightUI extends AltosFrame implements AltosFlightDisplay, Alt
        AltosFreqList   frequencies;
        JComboBox       telemetries;
 
+       ActionListener  show_timer;
+
        public AltosFlightUI(AltosVoice in_voice, AltosFlightReader in_reader, final int serial) {
                AltosPreferences.set_component(this);
 
@@ -289,6 +310,10 @@ public class AltosFlightUI extends AltosFrame implements AltosFlightDisplay, Alt
 
                thread = new AltosDisplayThread(this, voice, this, reader);
 
+               status_update = new AltosFlightStatusUpdate(flightStatus);
+
+               new javax.swing.Timer(100, status_update).start();
+
                thread.start();
        }