docs: Document altosui "Graph Data" button

[fw/altos] / ao-tools / altosui / AltosConfig.java

diff --git a/ao-tools/altosui/AltosConfig.java b/ao-tools/altosui/AltosConfig.java
index b1acd41072e35d138f00c2d47b027ec263165117..1c42870f8d7ff61519a2df97b9eb88404cfab6cd 100644 (file)
--- a/ao-tools/altosui/AltosConfig.java
+++ b/ao-tools/altosui/AltosConfig.java
@@ -74,7 +74,7 @@ public class AltosConfig implements Runnable, ActionListener {
        string_ref      product;
        string_ref      callsign;
        AltosConfigUI   config_ui;
-
+       boolean         serial_started;
 
        boolean get_int(String line, String label, int_ref x) {
                if (line.startsWith(label)) {
@@ -108,6 +108,7 @@ public class AltosConfig implements Runnable, ActionListener {
        }
 
        void start_serial() throws InterruptedException {
+               serial_started = true;
                if (remote) {
                        serial_line.set_radio();
                        serial_line.printf("p\nE 0\n");
@@ -116,6 +117,9 @@ public class AltosConfig implements Runnable, ActionListener {
        }
 
        void stop_serial() throws InterruptedException {
+               if (!serial_started)
+                       return;
+               serial_started = false;
                if (remote) {
                        serial_line.printf("~");
                        serial_line.flush_output();
@@ -160,6 +164,10 @@ public class AltosConfig implements Runnable, ActionListener {
                                                            device.toShortString()),
                                              "Connection Failed",
                                              JOptionPane.ERROR_MESSAGE);
+               try {
+                       stop_serial();
+               } catch (InterruptedException ie) {
+               }
                serial_line.close();
                serial_line = null;
        }