altosdroid: Use single object to pass data to UI

[fw/altos] / altosdroid / src / org / altusmetrum / AltosDroid / TelemetryReader.java

diff --git a/altosdroid/src/org/altusmetrum/AltosDroid/TelemetryReader.java b/altosdroid/src/org/altusmetrum/AltosDroid/TelemetryReader.java
index 0c437f87a7fd3f20513b2dfb9bb197e75622c04c..971c3e80ddab085af28e729d9e34e3197c25641c 100644 (file)
--- a/altosdroid/src/org/altusmetrum/AltosDroid/TelemetryReader.java
+++ b/altosdroid/src/org/altusmetrum/AltosDroid/TelemetryReader.java
@@ -31,6 +31,7 @@ import org.altusmetrum.altoslib_5.*;
 public class TelemetryReader extends Thread {
 
        private static final String TAG = "TelemetryReader";
+       private static final boolean D = true;
 
        int         crc_errors;
 
@@ -39,6 +40,8 @@ public class TelemetryReader extends Thread {
        AltosLink   link;
        AltosState  state = null;
 
+       AltosFlightReader       stacked;
+
        LinkedBlockingQueue<AltosLine> telemQueue;
 
        public AltosState read() throws ParseException, AltosCRCException, InterruptedException, IOException {
@@ -56,6 +59,10 @@ public class TelemetryReader extends Thread {
 
        public void close() {
                state = null;
+               if (stacked != null) {
+                       stacked.close(false);
+                       stacked = null;
+               }
                link.remove_monitor(telemQueue);
                link = null;
                telemQueue.clear();
@@ -66,6 +73,26 @@ public class TelemetryReader extends Thread {
                AltosState  state = null;
 
                try {
+                       if (D) Log.d(TAG, "starting reader");
+                       while (stacked != null) {
+                               AltosState      stacked_state = null;
+                               try {
+                                       stacked_state = stacked.read();
+                               } catch (ParseException pe) {
+                                       continue;
+                               } catch (AltosCRCException ce) {
+                                       continue;
+                               }
+                               if (stacked_state != null)
+                                       state = stacked_state;
+                               else
+                                       stacked = null;
+                       }
+                       if (state != null) {
+                               if (D) Log.d(TAG, "Send initial state");
+                               handler.obtainMessage(TelemetryService.MSG_TELEMETRY, state).sendToTarget();
+                       }
+                       if (D) Log.d(TAG, "starting loop");
                        while (telemQueue != null) {
                                try {
                                        state = read();
@@ -84,21 +111,34 @@ public class TelemetryReader extends Thread {
                }
        }
 
-       public TelemetryReader (AltosLink in_link, Handler in_handler) {
+       public TelemetryReader (AltosLink in_link, Handler in_handler, AltosFlightReader in_stacked) {
+               if (D) Log.d(TAG, "connected TelemetryReader create started");
                link    = in_link;
                handler = in_handler;
+               stacked = in_stacked;
 
                state = null;
                telemQueue = new LinkedBlockingQueue<AltosLine>();
                link.add_monitor(telemQueue);
-               try {
-                       link.set_radio_frequency(AltosPreferences.frequency(link.serial));
-                       link.set_telemetry(AltosLib.ao_telemetry_standard);
-                       link.set_telemetry_rate(AltosPreferences.telemetry_rate(link.serial));
-               } catch (InterruptedException ee) {
-                       close();
-               } catch (TimeoutException te) {
-                       close();
+               link.set_telemetry(AltosLib.ao_telemetry_standard);
+
+               if (D) Log.d(TAG, "connected TelemetryReader created");
+       }
+
+       private static AltosFlightReader existing_data(AltosLink link) {
+               if (link == null)
+                       return null;
+
+               File    file = AltosPreferences.logfile(link.serial);
+               if (file != null) {
+                       AltosStateIterable      iterable = AltosStateIterable.iterable(file);
+                       if (iterable != null)
+                               return new AltosReplayReader(iterable.iterator(), file, false);
                }
+               return null;
+       }
+
+       public TelemetryReader(AltosLink link, Handler handler) {
+               this(link, handler, existing_data(link));
        }
 }