read imu log interface

5dc78a30 · Oleg Dzhimiev · 9a7461bc · 5dc78a30 · 5dc78a30 · 5dc78a30
Commit 5dc78a30 authored Nov 12, 2016 by Oleg Dzhimiev
Showing with 387 additions and 114 deletions

Makefile src/Makefile +2 -0

read_imu_log.html src/read_imu_log.html +69 -0

read_imu_log.js src/read_imu_log.js +171 -0

read_imu_log.php src/read_imu_log.php +145 -114

No files found.
--- a/src/Makefile
+++ b/src/Makefile
@@ -14,6 +14,7 @@ SRCS =      nmea2exif.c log_imu.c
 OBJS =      nmea2exif.o
 PHPSCRIPTS= start_gps_compass.php
 PHPWEB=     logger_launcher.php imu_setup.php read_imu_log.php
+WEB=        read_imu_log.html read_imu_log.js

 CFLAGS   += -Wall -I$(STAGING_DIR_HOST)/usr/include-uapi
 LDLIBS   += -lm
@@ -33,6 +34,7 @@ install:	$(PROGS)
 	$(INSTALL) -m $(INSTMODE) -o $(INSTOWNER) -g $(INSTGROUP) $(PROGS) $(DESTDIR)$(BINDIR)
 	$(INSTALL) -m $(INSTMODE) -o $(INSTOWNER) -g $(INSTGROUP) $(PHPSCRIPTS) $(DESTDIR)$(BINDIR)
 	$(INSTALL) -o $(INSTOWNER) -m $(INSTDOCS) $(PHPWEB)  $(DESTDIR)$(WWW_PAGES)
+	$(INSTALL) -o $(INSTOWNER) -m $(INSTDOCS) $(WEB)  $(DESTDIR)$(WWW_PAGES)
 	$(INSTALL) $(OWN)-d $(DESTDIR)$(VARHTML)
 	$(LN) -sf $(VARHTML) $(DESTDIR)$(WWW_PAGES)var
 	$(INSTALL) $(OWN)-d $(DESTDIR)$(CONFDIR)

--- a/src/read_imu_log.html
+++ b/src/read_imu_log.html
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8"/>
+    <meta name="author" content="?"/>
+    <script src="read_imu_log.js"></script>
+    <style>
+    #results td{
+      padding:0px 10px;
+    }
+    #results{
+      font-size:14px;
+    }
+    
+    #controls{
+      background: rgba(100,200,100,0.5);
+      padding: 10px;
+    }
+    </style>
+  </head>
+  <body>
+    <table id='controls'>
+    <tr>
+      <td>
+        <table>
+        <tr>
+          <td>Filename: <input type='text' id='file' value='/home/root/imu.log' style='width:200px;' onchange='getRqStr()'></td>
+        </tr>
+        <tr>
+          <td colspan=''>Record filter:&nbsp;
+            <span title='External device'>EXT
+              <input id='filter_6' type='checkbox' checked onchange='getRqStr()'>
+            </span>&nbsp;&nbsp;
+            <span title='Image trigger signal'>IMG
+              <input id='filter_5' type='checkbox' checked onchange='getRqStr()'>
+            </span>&nbsp;&nbsp;
+            <span title='IMU'>IMU
+              <input id='filter_4' type='checkbox' checked onchange='getRqStr()'>
+            </span>&nbsp;&nbsp;
+            <span title='GPS'>GPS
+              <input id='filter_3' type='checkbox' checked onchange='getRqStr()'>
+              <input id='filter_2' type='checkbox' checked onchange='getRqStr()'>
+              <input id='filter_1' type='checkbox' checked onchange='getRqStr()'>
+              <input id='filter_0' type='checkbox' checked onchange='getRqStr()'>
+            </span>
+          </td>
+        </tr>
+        <tr>
+          <td>
+            <table>
+            <tr>
+              <td>Begin</td><td><input id='start' type='text' value='0' style='width:100px;text-align:right;' onchange='getRqStr()'></td>
+            </tr>
+            <tr>
+              <td>End</td><td><input id='end' type='text' value='5000' style='width:100px;text-align:right;' onchange='getRqStr()'></td>
+            </tr>
+            </table>
+          </td>
+        </tr>
+        <tr>
+          <td><button onclick='show()'>Show</button>&nbsp;&nbsp;<span id='csvlink'></span></td>
+        </tr>
+        </table>
+      </td>
+    </tr>
+    </table>
+    <div id='results'></div>
+  </body>
+</html>
--- a/src/read_imu_log.js
+++ b/src/read_imu_log.js
+function init(){
+  console.log("init");
+}
+
+function show(){
+  console.log("show");
+    
+  report("status: waiting for response");
+  
+  var rqstr = getRqStr();
+  
+  var request = new XMLHttpRequest();
+  request.open('GET', rqstr, true);
+
+  request.onreadystatechange = function() {
+    if (this.readyState == 4 && this.status == 200) {      
+      var resp = this.responseText;
+      report("status: parsing response");
+      clearInterval(loading_interval);
+      parse_response(resp);
+      report("<a href='"+rqstr+"'>Download in CSV format</a>");
+    }
+  };
+  
+  request.onerror = function() {
+    // There was a connection error of some sort
+  };
+  
+  loading_interval = setInterval(loading,100);
+  request.send();
+}
+
+function getRqStr(){
+  var filename = document.getElementById("file").value;
+  
+  var filter = 0;
+  for(var i=0;i<7;i++){
+    bit = (document.getElementById("filter_"+i).checked)?1:0;
+    filter += (bit<<i);
+  }
+  
+  var start = document.getElementById("start").value;
+  var end = document.getElementById("end").value;
+  
+  var n = end - start;
+  
+  if (n<0) {
+    console.log("Error: Begin > End");
+    n = 1;
+  }
+  
+  var rqstr = "read_imu_log.php?file="+filename+"&record="+start+"&nrecords="+n+"&filter="+filter;
+  
+  report("");
+  setTimeout(function(){
+    report("<a href='"+rqstr+"'>Download in CSV format</a>");
+  },100);
+  
+  return rqstr;
+}
+
+function parse_response(csv){  
+  var t = CSVToArray(csv,",");
+  
+  var result = "";
+  
+  for(var i=0;i<t.length;i++){
+    if (t[i].length>0){
+      result += "<tr>";
+      for(var j=0;j<t[i].length;j++){
+        result += "<td>"+t[i][j]+"</td>";
+      }      result += "</tr>";
+
+    }
+  }
+  document.getElementById("results").innerHTML = "<table>"+result+"</table>";
+}
+
+function report(msg){
+  document.getElementById("csvlink").innerHTML = msg;
+}
+
+var loading_interval;
+
+function loading(){
+  console.log("loading");
+}
+
+//http://stackoverflow.com/questions/1293147/javascript-code-to-parse-csv-data
+function CSVToArray( strData, strDelimiter ){
+    // Check to see if the delimiter is defined. If not,
+    // then default to comma.
+    strDelimiter = (strDelimiter || ",");
+
+    // Create a regular expression to parse the CSV values.
+    var objPattern = new RegExp(
+        (
+            // Delimiters.
+            "(\\" + strDelimiter + "|\\r?\\n|\\r|^)" +
+
+            // Quoted fields.
+            "(?:\"([^\"]*(?:\"\"[^\"]*)*)\"|" +
+
+            // Standard fields.
+            "([^\"\\" + strDelimiter + "\\r\\n]*))"
+        ),
+        "gi"
+        );
+
+
+    // Create an array to hold our data. Give the array
+    // a default empty first row.
+    var arrData = [[]];
+
+    // Create an array to hold our individual pattern
+    // matching groups.
+    var arrMatches = null;
+
+
+    // Keep looping over the regular expression matches
+    // until we can no longer find a match.
+    while (arrMatches = objPattern.exec( strData )){
+
+        // Get the delimiter that was found.
+        var strMatchedDelimiter = arrMatches[ 1 ];
+
+        // Check to see if the given delimiter has a length
+        // (is not the start of string) and if it matches
+        // field delimiter. If id does not, then we know
+        // that this delimiter is a row delimiter.
+        if (
+            strMatchedDelimiter.length &&
+            strMatchedDelimiter !== strDelimiter
+            ){
+
+            // Since we have reached a new row of data,
+            // add an empty row to our data array.
+            arrData.push( [] );
+
+        }
+
+        var strMatchedValue;
+
+        // Now that we have our delimiter out of the way,
+        // let's check to see which kind of value we
+        // captured (quoted or unquoted).
+        if (arrMatches[ 2 ]){
+
+            // We found a quoted value. When we capture
+            // this value, unescape any double quotes.
+            strMatchedValue = arrMatches[ 2 ].replace(
+                new RegExp( "\"\"", "g" ),
+                "\""
+                );
+
+        } else {
+
+            // We found a non-quoted value.
+            strMatchedValue = arrMatches[ 3 ];
+
+        }
+
+
+        // Now that we have our value string, let's add
+        // it to the data array.
+        arrData[ arrData.length - 1 ].push( strMatchedValue );
+    }
+
+    // Return the parsed data.
+    return( arrData );
+}
\ No newline at end of file
--- a/src/read_imu_log.php
+++ b/src/read_imu_log.php
 <?php
-if (!isset($_GET['file'])){ 
+
+if (isset($_GET['file'])){
+  if (is_file($_GET['file'])){
+    $file = $_GET['file'];
+    $numRecordsInFile=filesize($file)/64;
+  }else{
+    echo "File not found";
+    die(0);  
+  }
+}else{
  echo "<pre>\n";
-  echo "?file=log_file_name&record=record_number&nrecords=number_of_records&filter=filter";
-  echo "</pre>\n";
-  exit (0);
+  echo <<<TEXT
+  Usage: <b>http://address/read_imu_log.php?file=..&record=..&nrecords=..&filter=..</b>
+      * <b>file</b> - absolute path to file
+      * <b>record</b> - starting record index, default = 0
+      * <b>nrecords</b> - number of records to parse, default = 5000
+      * <b>filter</b> - filter out types of displayed records:
+          0x10 - display imu records only
+          0x20 - display image records only
+          0x40 - display external trigger records only
+        for gps records:
+          0x01 - display NMEA GPRMC records (have coordinates)
+          0x02 - display NMEA GPGGA records (have coordinates)
+          0x04 - display NMEA GPGSA records
+          0x08 - display NMEA GPVTG records,
+        default = 0x7f (display everything)   
+TEXT;
+  die(0);
 }

-//$timeShift = 21600; // 6 hrs
-$timeShift = 0; // 6 hrs
+if (isset($_GET['record']))   $record = $_GET['record']+0;
+else                          $record=0;
+
+if ($record>($numRecordsInFile-1)) $record=$numRecordsInFile-1;
+
+if (isset($_GET['nrecords'])) $nRecords = $_GET['nrecords']+0;
+else{
+  if ($numRecordsInFile>5000)
+    $nRecords=5000;
+  else
+    $nRecords=$numRecordsInFile;
+}

-$file=$_GET['file'];
-$numRecordsInFile=filesize($file)/64;
-$record=0;
-$nRecords=1;
+if ($nRecords>($numRecordsInFile-$record)) $nRecords= $numRecordsInFile-$record;
+
+
+if (isset($_GET['filter'])) $filter= intval($_GET['filter'],0);
+else                        $filter= 0x7f;
 /*
 1 - NMEA sentence 0 $GPRMC (log type 1)
 2 - NMEA sentence 1 $GPGGA (log type 1)
@@ -21,25 +55,22 @@ $nRecords=1;
 16 - IMU (type 0)
 32 - SYNC (type 2)
 64 - ODOMETER (type 3)
-
 */
-$filter=0x7f;
+
+//$timeShift = 21600; // 6 hrs
+$timeShift = 0; // 0 hrs

 $type=-1;
 $gpsType=-1;
-if (isset($_GET['record']))   $record=    $_GET['record']+0;
-if (isset($_GET['nrecords'])) $nRecords=  $_GET['nrecords']+0;
-if (isset($_GET['filter']))   $filter=    $_GET['filter']+0;
-
-if ($record>($numRecordsInFile-1)) $record=$numRecordsInFile-1;
-if ($nRecords>($numRecordsInFile-$record)) $nRecords= $numRecordsInFile-$record;
-
-  echo "<pre>\n";
-  echo "Number of samples in file=$numRecordsInFile\n";
-  echo "</pre>\n";

+echo "Filename,$file\n";
+echo "Found Records,$numRecordsInFile\n";
+echo "Record filter,0x".dechex($filter)."\n";
+echo "Start index,$record\n";
+echo "End index,".($record+$nRecords)."\n\n";

 $log_file=fopen($file,'r');
+
 $averageIMU=array(
    "number"=>0,
    "gyroX"=> 0,
@@ -56,97 +87,94 @@ $averageIMU=array(
    "velocityZ"=>0,
    "temperature"=>0);

+$imuFieldOrder = array(
+    "gyroX",
+    "gyroY",
+    "gyroZ",
+    "accelX",
+    "accelY",
+    "accelZ",
+    "angleX",
+    "angleY",
+    "angleZ",
+    "velocityX",
+    "velocityY",
+    "velocityZ",
+    "temperature"
+);
+    
 imuLogParse($log_file,$record,$nRecords,$filter);
-exit(0);
+
+die(0);

 function imuLogParse($handle,$record,$nSamples,$filter,$tryNumber=10000){

  global $timeShift;
-
  global $averageIMU;
+  global $imuFieldOrder;
+  
  $showAll=($nSamples<=100000);
+  
  $gpsFilter= $filter&0xf;
+  
  $typeFilter=(($gpsFilter!=0)?2:0) | ((($filter&0x10)!=0)?1:0) | ((($filter&0x20)!=0)?4:0) | ((($filter&0x20)!=0)?8:0);
+  
  fseek($handle,64*$record,SEEK_SET);
-  echo "<pre>\n";
-//  echo "filter=$filter, gpsFilter=$gpsFilter, typeFilter=$typeFilter, record=$record, nSamples=$nSamples\n";
+  
+  echo "Index,Timestamp,Type,".implode(",",$imuFieldOrder).",non-IMU data\n";
+  
  for ($nSample=0;$nSample<$nSamples;$nSample++) {
+  
    $sample=fread($handle,64);
    $arr32=unpack('L*',$sample);
+    
+    $time=(($arr32[1]&0xfffff)/1000000)+$arr32[2];
    $type=$arr32[1]>>24;
    $gps=($type==1)?($arr32[3]&0x3):0xf; // any if it is not GPS sample
-    if ((((1<<$type) & $typeFilter)!=0) && (($type!=1)|| (((1<<$gps) & $gpsFilter)!=0))) {
-      //$arr8=unpack('C*',$sample);
-      $time=(($arr32[1]&0xfffff)/1000000)+$arr32[2];
-  if ($showAll) printf("%8d %f: ",($record+$nSample),$time);
+    
+    if ((((1<<$type)&$typeFilter)!=0) && (($type!=1) || (((1<<$gps)&$gpsFilter)!=0))) {
+    
+      if ($showAll) printf("%8d,%f,$type,",($record+$nSample),$time);
+      
      switch ($type) {
-	// IMU record
+        // IMU record
        case 0:
-//          print_r($arr32);
-//           if ($showAll) {
-//             for ($i=2;$i<16;$i++) {
-//               printf(" %9d",$arr32[$i+1]);
-//             }
-//             echo "\n";
-//              printf("%8d %f: ",($record+$nSample),$time);
-//             for ($i=2;$i<16;$i++) {
-//               printf(" %9x",0xffffffff&$arr32[$i+1]);
-//             }
-//             echo "\n";
-//           }
+
          $imuSample=parseIMU($arr32);
          
-	  //if ($showAll) print_r($imuSample);
-	  if ($showAll) echo " [angleX]=>".$imuSample["angleX"]."     [angleY]=>".$imuSample["angleY"]."     [angleZ]=>".$imuSample["angleZ"].
+          echo implode(",",$imuSample)."\n";
+          
+          /*
+          echo " [angleX]=>".$imuSample["angleX"]."     [angleY]=>".$imuSample["angleY"]."     [angleZ]=>".$imuSample["angleZ"].
                             "     [gyroX] =>".$imuSample["gyroX"] ."      [gyroY]=>".$imuSample["gyroY"] ."      [gyroZ]=>".$imuSample["gyroZ"].
                             "     [accelX] =>".$imuSample["accelX"] ."      [accelY]=>".$imuSample["accelY"] ."      [accelZ]=>".$imuSample["accelZ"].
                             "     [velocityX] =>".$imuSample["velocityX"] ."      [velocityY]=>".$imuSample["velocityY"] ."      [velocityZ]=>".$imuSample["velocityZ"].
                             "     [temperature]=>".$imuSample["temperature"]."\n";
-
-          $averageIMU["number"]++;
-          foreach ($imuSample as $key=>$value) $averageIMU[$key]+=$value;
-
-	  $avg_x = $averageIMU["angleX"]/$averageIMU["number"];
-	  $avg_y = $averageIMU["angleY"]/$averageIMU["number"];
-	  $avg_z = $averageIMU["angleZ"]/$averageIMU["number"];
-
-	  //echo $avg_x." ".$avg_y." ".$avg_z."\n";
-	  
-
+          */
          break;
-	// GPS record
+          
+        // GPS record
        case 1:
+        
          $nmeaArray=parseGPS($sample);
-          $nmeaString='$';
-          for ($i=0; $i<count($nmeaArray);$i++) {
-            $nmeaString.=$nmeaArray[$i];
-            if ($i < (count($nmeaArray)-1))$nmeaString.=',';
-          }
-          echo "GPS (NMEA): ".$nmeaString."\n";
+          $nmeaString = '$'.implode(",",$nmeaArray);
+          
+          echo ",,,,,,,,,,,,,\"GPS (NMEA): ".$nmeaString."\"\n";
          break;
-	// Master (Sync) record
+          
+        // Master (Sync) record
        case 2:
          $masterTime=(($arr32[3]&0xfffff)/1000000)+$arr32[4];
          $subchannel = ($arr32[3] >> 24);
-          echo "Subchannel: <b>".$subchannel."</b> MasterTimeStamp: <b>".($masterTime+$timeShift)."</b> TimeStamp: <b>".($time+$timeShift)."</b>   MasterTimeStamp(precise): 0x".dechex($arr32[4])."+".dechex($arr32[3])." TimeStamp(precise): 0x".dechex($arr32[2])."+".dechex($arr32[1])." $masterTime - ".gmdate(DATE_RFC850,$masterTime)." [local timestamp - ".gmdate(DATE_RFC850,$time)."]\n";
+          echo ",,,,,,,,,,,,,\"Subchannel: <b>".$subchannel."</b> MasterTimeStamp: <b>".($masterTime+$timeShift)."</b> TimeStamp: <b>".($time+$timeShift)."</b>   MasterTimeStamp(precise): 0x".dechex($arr32[4])."+".dechex($arr32[3])." TimeStamp(precise): 0x".dechex($arr32[2])."+".dechex($arr32[1])." $masterTime - ".gmdate(DATE_RFC850,$masterTime)." [local timestamp - ".gmdate(DATE_RFC850,$time)."]\"\n";
          break;
-	// Show hex data
+          
+        // Show hex data
        case 3: print_r($arr32);
          break;
      }
    }
  }
-  if ($averageIMU['number']>0) {
-		foreach ( $averageIMU as $key => $value )
-			if ($key != 'number')
-				$averageIMU [$key] /= $averageIMU ['number'];
-		print_r ( $averageIMU );
-		echo "</pre>\n";
-		echo "<table>\n";
-		foreach ( $averageIMU as $key => $value )
-			echo "<tr><td>$key</td><td>$value</td></tr>\n";
-		echo "</table>\n";
-  }
 }

 function parseGPS($sample){
@@ -162,19 +190,19 @@ function parseGPS($sample){
    2=>str_split('bnnnnnnnnnnnnnnnn'),
    3=>str_split('nbnbnbnb')
   );
-//print_r($formats);
-/*
+  //print_r($formats);
+  /*
    'R','M','C','n','b','n','b','n','b','n','n','n','n','b', 0,  0,  0,  0,  0,  0,  0,0,0,0,  0,0,0,0,  0,0,0,0,
    'G','G','A','n','n','b','n','b','n','n','n','n','b','n','b','b','b', 0,  0,  0,  0,0,0,0,  0,0,0,0,  0,0,0,0,
    'G','S','A','b','n','n','n','n','n','n','n','n','n','n','n','n','n','n','n','n', 0,0,0,0,  0,0,0,0,  0,0,0,0,
    'V','T','G','n','b','n','b','n','b','n','b', 0,  0,  0,  0,  0,  0,  0,  0,  0,  0,0,0,0,  0,0,0,0,  0,0,0,0,

-*/
+  */
  $arr8= unpack('C*',$sample);
  $type=$arr8[4];
  $nibbleNumber=16; // starting with 0;
  $gps=getNibble($nibbleNumber++,$arr8);
-//echo "gps=$gps\n";
+
  $rslt=array(0=>$sentences[$gps]);
  for ($i=0;$i<count($formats[$gps]);$i++){
    $rslt[$i+1]='';
@@ -194,11 +222,44 @@ function parseGPS($sample){
  }
  return $rslt;
 }
+
 function getNibble($n,$arr8){
 return ($arr8[($n>>1)+1]>>(($n&1)?4:0))&0xf;
 }
-function parseNMEA($sent,$data){
+
+function parseIMU ($arr32){
+  $gyroScale=0.013108/65536;      // deg/sec
+  $accelScale=0.8192/65536;       // mg
+  $angleScale= 0.005493/65536;    // degrees
+  $velocityScale=0.0030518/65536; // m/sec
+  //$angleScale= 0.005493;      //degrees
+  //$velocityScale=0.0030518;   //m/sec
+  $temperatureScale=0.00565;      // C/LSB
+  $t=($arr32[15] & 0xffff);
+  if ($t>=32768) $t-=65536;
+  
+  for ($i=3;$i<15;$i++) if ((($arr32[$i] & 0x80000000)!=0) && ($arr32[$i] > 0)) $arr32[$i]-=0x100000000;
+  
+  return array(
+    "gyroX"=> $arr32[ 3]*$gyroScale,
+    "gyroY"=> $arr32[ 4]*$gyroScale,
+    "gyroZ"=> $arr32[ 5]*$gyroScale,
+    "accelX"=>$arr32[ 6]*$accelScale,
+    "accelY"=>$arr32[ 7]*$accelScale,
+    "accelZ"=>$arr32[ 8]*$accelScale,
+    "angleX"=>$arr32[ 9]*$angleScale,
+    "angleY"=>$arr32[10]*$angleScale,
+    "angleZ"=>$arr32[11]*$angleScale,
+    "velocityX"=>$arr32[12]*$velocityScale,
+    "velocityY"=>$arr32[13]*$velocityScale,
+    "velocityZ"=>$arr32[14]*$velocityScale,
+    "temperature"=>$t*$temperatureScale+25
+  );
+}
+
 /*
+function parseNMEA($sent,$data){
+
 eg4. $GPRMC,hhmmss.ss,A,llll.ll,a,yyyyy.yy,a,x.x,x.x,ddmmyy,x.x,a*hh
 1    = UTC of position fix
 2    = Data status (V=navigation receiver warning)
@@ -297,37 +358,7 @@ eg3. $GPVTG,t,T,,,s.ss,N,s.ss,K*hh
    0x72, // time d/h [12:8] - day [5:0] - hours
    0x74,// time y/m  [14:8] year (from 2000), [3:0] - month

-
-*/
-}
-function parseIMU ($arr32){
-  $gyroScale=0.013108/65536;       // deg/sec
-  $accelScale=0.8192/65536;       // mg
-  $angleScale= 0.005493/65536;    //degrees
-  $velocityScale=0.0030518/65536; //m/sec
-//  $angleScale= 0.005493;    //degrees
-//  $velocityScale=0.0030518; //m/sec
-  $temperatureScale=0.00565; // C/LSB
-  $t=($arr32[15] & 0xffff);
-  if ($t>=32768) $t-=65536;
-  for ($i=3;$i<15;$i++) if ((($arr32[$i] & 0x80000000)!=0) && ($arr32[$i] > 0)) $arr32[$i]-=0x100000000;
-  
-  return array(
-    "gyroX"=> $arr32[ 3]*$gyroScale,
-    "gyroY"=> $arr32[ 4]*$gyroScale,
-    "gyroZ"=> $arr32[ 5]*$gyroScale,
-    "accelX"=>$arr32[ 6]*$accelScale,
-    "accelY"=>$arr32[ 7]*$accelScale,
-    "accelZ"=>$arr32[ 8]*$accelScale,
-    "angleX"=>$arr32[ 9]*$angleScale,
-    "angleY"=>$arr32[10]*$angleScale,
-    "angleZ"=>$arr32[11]*$angleScale,
-    "velocityX"=>$arr32[12]*$velocityScale,
-    "velocityY"=>$arr32[13]*$velocityScale,
-    "velocityZ"=>$arr32[14]*$velocityScale,
-    "temperature"=>$t*$temperatureScale+25
-//    "temperature"=>$t
-// date/time
-  );
 }
+*/
+
 ?>