Added data logging

Manager.cpp

@@ -7,12 +7,29 @@
 #include <iostream>
 #include <QDebug>
 #include <sstream>
+#include <chrono>
+#include <iomanip>
+
+#include <QStandardPaths>
+#include <QtGlobal>
+#include <QDir>
 
 const std::string NUC1 = "38:de:ad:6d:77:25";
 const std::string NUC2 = "38:de:ad:6d:60:ff";
 const std::string NUC3 = "1c:1b:b5:ef:a2:9a";
 const std::string NUC4 = "1c:1b:b5:ec:d1:82";
 
+
+static QString GetCurrentTimeForFileName()
+{
+	auto time = std::time(nullptr);
+	std::stringstream ss;
+	ss << std::put_time(std::localtime(&time), "%F_%T"); // ISO 8601 without timezone information.
+	auto s = ss.str();
+	std::replace(s.begin(), s.end(), ':', '-');
+	return QString::fromStdString(s);
+}
+
 Manager::Manager() {
 
 
@@ -20,6 +37,26 @@ Manager::Manager() {
 
 void Manager::trigger() {
 
+	QString folder = QStandardPaths::writableLocation(QStandardPaths::DownloadLocation) + "/ftm/";
+
+	dataLogger = std::make_shared<QFile>(folder+"/ftm_"+GetCurrentTimeForFileName()+".txt");
+
+	if (!dataLogger->exists()) {
+		// create the folder, if necessary
+		QDir dir(folder);
+		if (!dir.exists()) {
+			qWarning("creating new folder");
+			if (!dir.mkpath(".")) {
+				qWarning() << "Failed to create new folder";
+			}
+		}
+	}
+
+	if (!dataLogger->open(QIODevice::ReadWrite)) {
+		qWarning() << "Failed to create data logger file" << dataLogger->fileName();
+		dataLogger = nullptr;
+	}
+
 #ifdef ANDROID
 
 	QAndroidJniObject::callStaticMethod<int>("android/net/wifi/RTT", "start", "()I");
@@ -27,22 +64,32 @@ void Manager::trigger() {
 #else
 
 	//onData("38:de:ad:6d:77:25;FAILED");
-	onData(NUC1+";6230;1231");
-	onData(NUC2+";3430;3423");
-	onData(NUC3+";5630;2341");
-	onData(NUC4+";8830;2241");
+	onData("1337;"+NUC1+";6230;1231");
+	onData("1337;"+NUC2+";3430;3423");
+	onData("1337;"+NUC3+";5630;2341");
+	onData("1337;"+NUC4+";8830;2241");
 
 #endif
+}
 
+void Manager::stop() {
+#ifdef ANDROID
+	QAndroidJniObject::callStaticMethod<int>("android/net/wifi/RTT", "stop", "()I");
+#endif
 
-
-
+	dataLogger->flush();
+	dataLogger->close();
 }
 
 void Manager::onData(std::string str) {
 
 	qDebug() << QString(str.c_str());
 
+	if (dataLogger) {
+		dataLogger->write(str.c_str());
+		dataLogger->write("\n");
+	}
+
 	std::stringstream lineStream(str);
 	std::string cell;
 
@@ -57,6 +104,10 @@ void Manager::onData(std::string str) {
 		switch(i) {
 
 			case 0: {
+
+				break;
+			}
+			case 1: {
 				if(NUC1 == cell) {distIndex = 0;}
 				if(NUC2 == cell) {distIndex = 1;}
 				if(NUC3 == cell) {distIndex = 2;}
@@ -64,7 +115,7 @@ void Manager::onData(std::string str) {
 				break;
 			}
 
-			case 1: {
+			case 2: {
 				if ("FAILED" == cell) {
 					_dist[distIndex] = 0;
 				} else {
@@ -74,11 +125,15 @@ void Manager::onData(std::string str) {
 				break;
 			}
 
-			case 2: {
+			case 3: {
 				_stdDev[distIndex] = atoi(cell.c_str());
 				break;
 			}
 
+			case 4: {
+				// RSSI
+			}
+
 		}
 		++i;
 	}

Manager.h

@@ -2,6 +2,7 @@
 #define MANAGER_H
 
 #include <QObject>
+#include <QFile>
 
 class Manager : public QObject {
 
@@ -12,6 +13,8 @@ private:
 	float _dist[4];
 	float _stdDev[4];
 
+	std::shared_ptr<QFile> dataLogger;
+
 public:
 
 	Q_PROPERTY(float dist1 READ getDist1() NOTIFY distChanged)
@@ -26,6 +29,7 @@ public:
 
 
 	Q_INVOKABLE void trigger();
+	Q_INVOKABLE void stop();
 
 	void onData(std::string str);
 

RTT.pro

@@ -1,5 +1,8 @@
 QT += quick
-QT += androidextras
+
+android {
+	QT += androidextras
+}
 CONFIG += c++11
 
 # The following define makes your compiler emit warnings if you use
@@ -28,6 +31,7 @@ OTHER_FILES += \
 
 # use files in ./_android for the project as well
 ANDROID_PACKAGE_SOURCE_DIR = $$PWD/_android
+#ANDROID_PACKAGE_SOURCE_DIR =
 
 
 # Additional import path used to resolve QML modules in Qt Creator's code model

_android/src/LocationPermissionController.java

@@ -1,14 +1,14 @@
 package de.plinzen.android.rttmanager.permission;
 
-import android.Manifest;
-import android.app.Activity;
-import android.content.Context;
-import android.content.pm.PackageManager;
-import android.support.annotation.NonNull;
-//import android.support.design.widget.Snackbar;
-import android.support.v4.app.ActivityCompat;
-import android.support.v4.content.ContextCompat;
-import android.view.View;
+//import android.Manifest;
+//import android.app.Activity;
+//import android.content.Context;
+//import android.content.pm.PackageManager;
+//import android.support.annotation.NonNull;
+////import android.support.design.widget.Snackbar;
+//import android.support.v4.app.ActivityCompat;
+//import android.support.v4.content.ContextCompat;
+//import android.view.View;
 
 //import de.plinzen.android.rttmanager.R;
 

_android/src/RTT.java

@@ -5,6 +5,8 @@ import android.app.Activity;
 import android.util.Log;
 import android.content.Context;
 
+import java.lang.System;
+
 import java.util.List;
 import java.util.ArrayList;
 
@@ -30,6 +32,8 @@ public class RTT {
 	private static Activity act;
 	private static WifiRttManager rttManager;
 	private static Executor mainExecutor;
+	private static Thread ftmThread;
+	private static boolean ftmRunning;
 
 	// called when a RTT is completed successfully
 	public static native void onRTTComplete(final byte[] result);
@@ -68,16 +72,27 @@ public class RTT {
     private static byte[] serialize(final RangingResult res) {
 		final ByteArrayOutputStream baos = new ByteArrayOutputStream();
 		try {
-
 			char delim = ';';
+			boolean success = res.getStatus() == RangingResult.STATUS_SUCCESS;
+
+			if (success) {
+				baos.write(("" + res.getRangingTimestampMillis()).getBytes());
+				baos.write(delim);
+			} else {
+				baos.write(("" + System.currentTimeMillis()).getBytes());
+				baos.write(delim);
+			}
 
 			baos.write(res.getMacAddress().toString().getBytes());
 			baos.write(delim);
 
-			if (res.getStatus() == RangingResult.STATUS_SUCCESS) {
+			if (success) {
 				baos.write( ("" + res.getDistanceMm()).getBytes() );
 				baos.write(delim);
 				baos.write( ("" + res.getDistanceStdDevMm()).getBytes() );
+				baos.write(delim);
+				baos.write( ("" + res.getRssi()).getBytes() );
+
 			} else {
 			    baos.write( "FAILED".getBytes() );
 			}
@@ -89,6 +104,9 @@ public class RTT {
 
     public static int start() {
 
+		if (ftmRunning)
+		  return 0;
+
 		Log.d("RTT", "start()");
 
 		MyActivity act = MyActivity.act;
@@ -102,20 +120,32 @@ public class RTT {
 		macs.add(MacAddress.fromString("1c:1b:b5:ef:a2:9a"));	// NUC 3
 		macs.add(MacAddress.fromString("1c:1b:b5:ec:d1:82"));   // NUC 4
 
-		new Thread() {
+		ftmRunning = true;
+
+		ftmThread = new Thread() {
 			public void run() {
-				while(true) {
+				while(ftmRunning) {
 					try {
 						Thread.sleep(200);
 					} catch (Exception e) {;}
 				    startRangingOnMacs(macs);
 				}
 			}
-		}.start();
+		};
 
+		ftmThread.start();
 
 	    return 1337;
+	}
 
+	public static int stop() {
+		Log.d("RTT", "stop()");
+
+		if (ftmRunning) {
+			ftmRunning = false;
+		}
+
+		return 1337*2;
 	}
 
     public static void startRangingOnMacs(final ArrayList<MacAddress> macs) {

main.qml

@@ -52,6 +52,11 @@ Window {
 			onClicked: mgmt.trigger();
 		}
 
+        Button {
+            text: "stop"
+            onClicked:  mgmt.stop();
+        }
+
 	}
 
 	Canvas {