altosui/telegps: Reduce CPU time needed for flight displays

[fw/altos] / telegps / TeleGPSStatus.java

diff --git a/telegps/TeleGPSStatus.java b/telegps/TeleGPSStatus.java
index 37cfae37ec1f0d3b27c423b33b6f5d6afaf35b65..e6bb1ea58a7bb047836aa99857f41fca895aa738 100644 (file)
--- a/telegps/TeleGPSStatus.java
+++ b/telegps/TeleGPSStatus.java
@@ -61,6 +61,7 @@ public class TeleGPSStatus extends JComponent implements AltosFlightDisplay {
                        add(label);
 
                        value = new JTextField("");
                        add(label);
 
                        value = new JTextField("");

+                       value.setEditable(false);

                        value.setFont(AltosUILib.status_font);
                        value.setHorizontalAlignment(SwingConstants.CENTER);
                        c.gridx = x; c.gridy = 1;
                        value.setFont(AltosUILib.status_font);
                        value.setHorizontalAlignment(SwingConstants.CENTER);
                        c.gridx = x; c.gridy = 1;


@@ -70,8 +71,13 @@ public class TeleGPSStatus extends JComponent implements AltosFlightDisplay {
        }
 
        class Call extends Value {
        }
 
        class Call extends Value {

+               String  call;
+

                void show(AltosState state, AltosListenerState listener_state) {
                void show(AltosState state, AltosListenerState listener_state) {

-                       value.setText(state.callsign);
+                       if (state.callsign != call) {
+                               value.setText(state.callsign);
+                               call = state.callsign;
+                       }

                        if (state.callsign == null)
                                setVisible(false);
                        else
                        if (state.callsign == null)
                                setVisible(false);
                        else


@@ -85,11 +91,15 @@ public class TeleGPSStatus extends JComponent implements AltosFlightDisplay {
        Call call;
 
        class Serial extends Value {
        Call call;
 
        class Serial extends Value {

+               int     serial = -1;

                void show(AltosState state, AltosListenerState listener_state) {
                void show(AltosState state, AltosListenerState listener_state) {

-                       if (state.serial == AltosLib.MISSING)
-                               value.setText("none");
-                       else
-                               value.setText(String.format("%d", state.serial));
+                       if (state.serial != serial) {
+                               if (state.serial == AltosLib.MISSING)
+                                       value.setText("none");
+                               else
+                                       value.setText(String.format("%d", state.serial));
+                               serial = state.serial;
+                       }

                }
                public Serial (GridBagLayout layout, int x) {
                        super (layout, x, "Serial");
                }
                public Serial (GridBagLayout layout, int x) {
                        super (layout, x, "Serial");


@@ -99,12 +109,19 @@ public class TeleGPSStatus extends JComponent implements AltosFlightDisplay {
        Serial serial;
 
        class RSSI extends Value {
        Serial serial;
 
        class RSSI extends Value {

+               int     rssi = 10000;
+

                void show(AltosState state, AltosListenerState listener_state) {
                void show(AltosState state, AltosListenerState listener_state) {

-                       value.setText(String.format("%d", state.rssi()));
-                       if (state.rssi == AltosLib.MISSING)
-                               setVisible(false);
-                       else
-                               setVisible(true);
+                       int     new_rssi = state.rssi();
+
+                       if (new_rssi != rssi) {
+                               value.setText(String.format("%d", new_rssi));
+                               if (state.rssi == AltosLib.MISSING)
+                                       setVisible(false);
+                               else
+                                       setVisible(true);
+                               rssi = new_rssi;
+                       }

                }
                public RSSI (GridBagLayout layout, int x) {
                        super (layout, x, "RSSI");
                }
                public RSSI (GridBagLayout layout, int x) {
                        super (layout, x, "RSSI");


@@ -114,9 +131,16 @@ public class TeleGPSStatus extends JComponent implements AltosFlightDisplay {
        RSSI rssi;
 
        class LastPacket extends Value {
        RSSI rssi;
 
        class LastPacket extends Value {

+
+               long    last_secs = -1;
+

                void show(AltosState state, AltosListenerState listener_state) {
                        long secs = (System.currentTimeMillis() - state.received_time + 500) / 1000;
                void show(AltosState state, AltosListenerState listener_state) {
                        long secs = (System.currentTimeMillis() - state.received_time + 500) / 1000;

-                       value.setText(String.format("%d", secs));
+
+                       if (secs != last_secs) {
+                               value.setText(String.format("%d", secs));
+                               last_secs = secs;
+                       }

                }
                public LastPacket(GridBagLayout layout, int x) {
                        super (layout, x, "Age");
                }
                public LastPacket(GridBagLayout layout, int x) {
                        super (layout, x, "Age");