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Code Issues Releases Activity

AndroidGCS: Write logging in the format consistent with how we record on the

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ground station and can parse from matlab.
This commit is contained in:
James Cotton 2012-08-06 04:47:29 -05:00
parent 11a27cd593
commit 9d2830b75f
1 changed files with 25 additions and 8 deletions
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33
androidgcs/src/org/openpilot/androidgcs/Logger.java
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@ -1,13 +1,13 @@
package org.openpilot.androidgcs;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.openpilot.uavtalk.UAVObject;
import org.openpilot.uavtalk.UAVTalk;
import android.os.Bundle;
import android.os.Environment;
@ -23,7 +23,8 @@ public class Logger extends ObjectManagerActivity {
private File file;
private boolean logging;
private BufferedWriter out;
private FileOutputStream fileStream;
private UAVTalk uavTalk;
/** Called when the activity is first created. */
@Override
@ -38,14 +39,14 @@ public class Logger extends ObjectManagerActivity {
Date d = new Date();
String date = (new SimpleDateFormat("yyyyMMdd_hhmmss")).format(d);
String fileName = "/logs/logs_" + date + ".uav";
String fileName = "/logs/logs_" + date + ".opl";
file = new File(root, fileName);
if (DEBUG) Log.d(TAG, "Trying for file: " + file.getAbsolutePath());
try {
if (root.canWrite()){
FileWriter filewriter = new FileWriter(file);
out = new BufferedWriter(filewriter);
fileStream = new FileOutputStream(file);
uavTalk = new UAVTalk(null, fileStream, objMngr);
logging = true;
} else {
Log.e(TAG, "Unwriteable address");
@ -61,7 +62,7 @@ public class Logger extends ObjectManagerActivity {
if (DEBUG) Log.d(TAG, "Stop logging");
logging = false;
try {
out.close();
fileStream.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
@ -102,7 +103,23 @@ public class Logger extends ObjectManagerActivity {
if (logging) {
if (VERBOSE) Log.v(TAG,"Updated: " + obj.toString());
try {
out.write(obj + "\n");
long time = System.currentTimeMillis();
fileStream.write((byte)(time & 0xff));
fileStream.write((byte)((time & 0x0000ff00) >> 8));
fileStream.write((byte)((time & 0x00ff0000) >> 16));
fileStream.write((byte)((time & 0xff000000) >> 24));
long size = obj.getNumBytes();
fileStream.write((byte)(size & 0x00000000000000ffl) >> 0);
fileStream.write((byte)(size & 0x000000000000ff00l) >> 8);
fileStream.write((byte)(size & 0x0000000000ff0000l) >> 16);
fileStream.write((byte)(size & 0x00000000ff000000l) >> 24);
fileStream.write((byte)(size & 0x000000ff00000000l) >> 32);
fileStream.write((byte)(size & 0x0000ff0000000000l) >> 40);
fileStream.write((byte)(size & 0x00ff000000000000l) >> 48);
fileStream.write((byte)(size & 0xff00000000000000l) >> 56);
uavTalk.sendObject(obj, false, false);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();