altosui: Clear displayed data rows as needed.

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

diff --git a/ao-tools/altosui/AltosSerial.java b/ao-tools/altosui/AltosSerial.java
index 96e8b61f599d2329678dbe547b3edc3eb3389f11..efa63f681819e2ed9f3d22ebfac66d79e47f7750 100644 (file)
--- a/ao-tools/altosui/AltosSerial.java
+++ b/ao-tools/altosui/AltosSerial.java
@@ -51,8 +51,6 @@ public class AltosSerial implements Runnable {
 
                try {
                        for (;;) {
-                               if (altos == null)
-                                       break;
                                c = libaltos.altos_getchar(altos, 0);
                                if (Thread.interrupted())
                                        break;
@@ -106,10 +104,8 @@ public class AltosSerial implements Runnable {
        }
 
        public void close() {
-               if (altos != null) {
+               if (altos != null)
                        libaltos.altos_close(altos);
-                       altos = null;
-               }
                if (input_thread != null) {
                        try {
                                input_thread.interrupt();
@@ -118,6 +114,10 @@ public class AltosSerial implements Runnable {
                        }
                        input_thread = null;
                }
+               if (altos != null) {
+                       libaltos.altos_free(altos);
+                       altos = null;
+               }
        }
 
        public void putc(char c) {