cli mode (78405738) · Commits · Elphel / elphel-apps-gps

src/read_imu_log.php

+225 −58

Original line number	Original line	Diff line number	Diff line
	@@ -8,6 +8,58 @@
	* Copyright (C) 2016 Elphel, Inc.		* Copyright (C) 2016 Elphel, Inc.
	*/		*/

			set_time_limit(0);

			$CLI = (php_sapi_name()=="cli");

			if ($CLI){
			$_SERVER['REMOTE_ADDR'] = "localhost";
			$_SERVER['SERVER_ADDR'] = "localhost";
			$_GET['format'] = "csv";
			$_GET['nth'] = 1;
			$_GET['limit'] = -1;

			$_GET['nogui'] = true;

			if (isset($argv[1])) $_GET['file'] = $argv[1];
			else{
			die(<<<TEXT

			\033[91mERROR: Filename is not set.\033[0m

			Command line usage examples:
			* Minimal:
			\033[1;37m~$ php thisscript.php logfile > logfile.csv\033[0m
			* With a filter, IMU records only:
			\033[1;37m~~$ php thisscript.php logfile 0x010 > logfile.csv\033[0m
			* With a filter, GPS NMEA GPRMC records ony:
			\033[1;37m~~$ php thisscript.php logfile 0x001 > logfile.csv\033[0m
			* Filter bits:
			External trigger source:
			0x200
			Image records:
			0x100 channel 3
			0x080 channel 2
			0x040 channel 1
			0x020 channel 0
			IMU:
			0x010
			GPS records:
			0x008 - NMEA GPVTG
			0x004 - NMEA GPGSA
			0x002 - NMEA GPGGA (have coordinates)
			0x001 - NMEA GPRMC (have coordinates)


			TEXT
			);
			}

			$_GET['record'] = 0;
			}

			$thisname = basename($_SERVER['SCRIPT_NAME']);
			$remoteaccess = ($_SERVER['REMOTE_ADDR']!=$_SERVER['SERVER_ADDR']);
	$hardcodeddir = "logs";		$hardcodeddir = "logs";

	if (isset($_GET['format'])){		if (isset($_GET['format'])){
	@@ -16,15 +68,30 @@ if (isset($_GET['format'])){
	$format = "html";		$format = "html";
	}		}

			if (isset($_GET['nth'])){
			$nth = $_GET['nth']+0;
			}else{
			$nth = 1;
			}

	if (isset($_GET['limit'])){		if (isset($_GET['limit'])){
	$limit = $_GET['limit']+0;		$limit = $_GET['limit']+0;
	}else{		}else{
	$limit = 0;		$limit = -1;
	}		}

	if (isset($_GET['nogui'])){		if (isset($_GET['nogui'])){
	$nogui = true;		$nogui = true;
			if ($format=="csv"){
			header("Content-Type: application/octet-stream");
			header('Content-Disposition: attachment; filename='.basename($_GET['file']).".".$format);
	}else{		}else{
			header("Content-Type: application/xml");
			echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
			echo "<Document>\n";
			}
			}else{
			//header("Content-Type: text/xml");
	$nogui = false;		$nogui = false;
	}		}

	@@ -39,7 +106,7 @@ if (isset($_GET['list'])){
	}		}

	if (isset($_GET['file'])){		if (isset($_GET['file'])){
	if ($_SERVER['REMOTE_ADDR']!=$_SERVER['SERVER_ADDR']){		if ($remoteaccess){
	$file = $hardcodeddir."/".basename($_GET['file']);		$file = $hardcodeddir."/".basename($_GET['file']);
	}else{		}else{
	$file = $_GET['file'];		$file = $_GET['file'];
	@@ -48,7 +115,7 @@ if (isset($_GET['file'])){
	if (is_file($file)){		if (is_file($file)){
	$numRecordsInFile=filesize($file)/64;		$numRecordsInFile=filesize($file)/64;
	}else{		}else{
	//this is for $_SERVER['REMOTE_ADDR']==$_SERVER['SERVER_ADDR']		//for local access also check $hardcodeddir
	if (is_file($hardcodeddir."/".$file)){		if (is_file($hardcodeddir."/".$file)){
	$file = $hardcodeddir."/".$file;		$file = $hardcodeddir."/".$file;
	$numRecordsInFile=filesize($file)/64;		$numRecordsInFile=filesize($file)/64;
	@@ -62,6 +129,11 @@ if (isset($_GET['file'])){
	$init = false;		$init = false;
	}		}

			if ($CLI){
			$_GET['nrecords'] = $numRecordsInFile;
			if (isset($argv[2])) $_GET['filter'] = $argv[2];
			}

	if (isset($_GET['record'])) $record = $_GET['record']+0;		if (isset($_GET['record'])) $record = $_GET['record']+0;
	else $record=0;		else $record=0;

	@@ -79,6 +151,11 @@ if ($nRecords>($numRecordsInFile-$record)) $nRecords= $numRecordsInFile-$record;

	if ($limit>0) $nRecords= $numRecordsInFile;		if ($limit>0) $nRecords= $numRecordsInFile;

			if (isset($_GET['showall'])){
			$limit = $numRecordsInFile;
			$nRecords= $numRecordsInFile;
			}

	if (isset($_GET['filter'])) $filter= intval($_GET['filter'],0);		if (isset($_GET['filter'])) $filter= intval($_GET['filter'],0);
	else $filter= 0x3ff;		else $filter= 0x3ff;

	@@ -92,6 +169,8 @@ else $filter= 0x3ff;
	64 - ODOMETER (type 3)		64 - ODOMETER (type 3)
	*/		*/

			if ($limit<0) $limit = $nRecords;

	if(!$nogui){		if(!$nogui){
	//list available files		//list available files
	echo html();		echo html();
	@@ -109,9 +188,10 @@ $sindex = $record;
	$eindex = $record+$nRecords;		$eindex = $record+$nRecords;

	if ($format=="csv"){		if ($format=="csv"){
	echo "<pre>Filename,$file\n";		echo "Filename,$file\n";
	echo "Found Records,$numRecordsInFile\n";		echo "Found Records,$numRecordsInFile\n";
	echo "Record filter,0x$filterhex\n";		echo "Record filter,0x$filterhex\n";
			echo "Show limit, $limit\n";
	echo "Start index,$sindex\n";		echo "Start index,$sindex\n";
	echo "End index,$eindex\n\n";		echo "End index,$eindex\n\n";
	}else{		}else{
	@@ -120,6 +200,7 @@ if ($format=="csv"){
	<tr><td>Filename</td><td>$file</td></tr>		<tr><td>Filename</td><td>$file</td></tr>
	<tr><td>Found records</td><td>$numRecordsInFile</td></tr>		<tr><td>Found records</td><td>$numRecordsInFile</td></tr>
	<tr><td>Filter</td><td>$filterhex</td></tr>		<tr><td>Filter</td><td>$filterhex</td></tr>
			<tr><td>Show limit</td><td>$limit</td></tr>
	<tr><td>Start index</td><td>$sindex</td></tr>		<tr><td>Start index</td><td>$sindex</td></tr>
	<tr><td>End index</td><td>$eindex</td></tr>		<tr><td>End index</td><td>$eindex</td></tr>
	</table>		</table>
	@@ -164,6 +245,25 @@ imuLogParse($log_file,$record,$nRecords,$filter);

	die(0);		die(0);

			$gc = array(
			array(0,0,0,0),
			array(0,0,0,0),
			array(0,0,0,0),
			array(0,0,0,0)
			);

			function global_counters($i,$j){
			global $gc, $nth;

			if (($gc[$i][$j]%$nth)==0) {
			$gc[$i][$j] = 1;
			return true;
			}else{
			$gc[$i][$j]++;
			return false;
			}
			}

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

	global $timeShift;		global $timeShift;
	@@ -171,16 +271,21 @@ function imuLogParse($handle,$record,$nSamples,$filter,$tryNumber=10000){
	global $imuFieldOrder;		global $imuFieldOrder;
	global $format,$limit;		global $format,$limit;

	$gpsFilter= $filter&0xf;		global $gc;

	$typeFilter=(($gpsFilter!=0)?2:0) \| ((($filter&0x10)!=0)?1:0) \| ((($filter&0x20)!=0)?4:0) \| ((($filter&0x20)!=0)?8:0);		$gpsFilter = ($filter)&0xf; //type=1
			$imuFilter = ($filter>>4)&0x1; //type=0
			$imgFilter = ($filter>>5)&0xf; //type=2
			$extFilter = ($filter>>9)&0x1; //type=3

			$typeFilter = (($gpsFilter!=0)?2:0) \| (($imuFilter!=0)?1:0) \| ((($imgFilter)!=0)?4:0) \| ((($extFilter)!=0)?8:0);

	$skip_imu_cols = true;		$skip_imu_cols = true;
	$imu_cols_csv = "";		$imu_cols_csv = "";
	$imu_cols_html_header = "";		$imu_cols_html_header = "";
	$imu_cols_html = "";		$imu_cols_html = "";

	if ((($filter>>4)&0x1)==0x1) {		if ($imuFilter==0x1) {
	$skip_imu_cols = false;		$skip_imu_cols = false;
	$imu_cols_csv_header = implode(",",$imuFieldOrder).",";		$imu_cols_csv_header = implode(",",$imuFieldOrder).",";
	for($i=0;$i<count($imuFieldOrder);$i++){		for($i=0;$i<count($imuFieldOrder);$i++){
	@@ -212,22 +317,43 @@ TEXT;
	echo "</tr>\n";		echo "</tr>\n";
	}		}

			$gc = array(
			array(0,0,0,0),
			array(0,0,0,0),
			array(0,0,0,0),
			array(0,0,0,0)
			);

	for ($nSample=0;$nSample<$nSamples;$nSample++) {		for ($nSample=0;$nSample<$nSamples;$nSample++) {

	$sample=fread($handle,64);		$sample=fread($handle,64);
	$arr32=unpack('L*',$sample);		$arr32=unpack('L*',$sample);

	$time=(($arr32[1]&0xfffff)/1000000)+$arr32[2];		$time=(($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))) {		$type=$arr32[1]>>24;

	$limit--;		$show_record = false;
	if ($limit==-1){		switch($type){
			case 0:
			if ($imuFilter!=0) $show_record = global_counters($type,0);
			break;
			case 1:
			if ((($gpsFilter>>($arr32[3]&0x3))&1)==1) $show_record = global_counters($type,$arr32[3]&0x3);
			break;
			case 2:
			$subchannel = ($arr32[3] >> 24);
			if ((($imgFilter>>$subchannel)&1)==1) $show_record = global_counters($type,$subchannel);
			break;
			case 3:
			if (($extFilter&1)==1) $show_record = global_counters($type,0);
	break;		break;
	}		}

			if ($show_record) {

			$limit--;
			if ($limit==-1) break;
			//beginning
	if ($format=="csv"){		if ($format=="csv"){
	printf("%d,%f,$type,",($record+$nSample),$time);		printf("%d,%f,$type,",($record+$nSample),$time);
	}else{		}else{
	@@ -284,8 +410,8 @@ TEXT;

	// Master (Sync) record		// Master (Sync) record
	case 2:		case 2:
	$masterTime=(($arr32[3]&0xfffff)/1000000)+$arr32[4];
	$subchannel = ($arr32[3] >> 24);		$subchannel = ($arr32[3] >> 24);
			$masterTime=(($arr32[3]&0xfffff)/1000000)+$arr32[4];

	if ($format=="csv"){		if ($format=="csv"){
	printf("$imu_cols_csv$subchannel,%f,".(gmdate(DATE_RFC850,$masterTime))."\n",$masterTime);		printf("$imu_cols_csv$subchannel,%f,".(gmdate(DATE_RFC850,$masterTime))."\n",$masterTime);
	@@ -297,8 +423,6 @@ TEXT;
	printf("<td>%f</td>\n",$masterTime);		printf("<td>%f</td>\n",$masterTime);
	echo "<td>".gmdate(DATE_RFC850,$masterTime)."</td>\n";		echo "<td>".gmdate(DATE_RFC850,$masterTime)."</td>\n";
	}		}


	break;		break;

	// Show hex data		// Show hex data
	@@ -323,6 +447,7 @@ TEXT;
	}		}
	if ($format!="csv"){		if ($format!="csv"){
	echo "</table>\n";		echo "</table>\n";
			echo "</Document>\n";
	}		}
	}		}

	@@ -513,14 +638,14 @@ eg3. $GPVTG,t,T,,,s.ss,N,s.ss,K*hh
	function showlist(){		function showlist(){

	global $hardcodeddir;		global $hardcodeddir;
			global $remoteaccess;

	$local = true;		$local = true;

	if (isset($_GET['file'])) $file = $_GET['file'];		if (isset($_GET['file'])) $file = $_GET['file'];

	if ($_SERVER['REMOTE_ADDR']!=$_SERVER['SERVER_ADDR']){		if ($remoteaccess){
	$dir = $hardcodeddir;		$dir = $hardcodeddir;
	$local = false;
	}else{		}else{
	if (!isset($file)\|\|($file=="")){		if (!isset($file)\|\|($file=="")){
	$dir = ".";		$dir = ".";
	@@ -540,7 +665,7 @@ function showlist(){

	$files = scandir($dir);		$files = scandir($dir);

	if ($dir=="."\|\|(!$local)) $dirlink="";		if ($dir=="."\|\|($remoteaccess)) $dirlink="";
	else $dirlink="$dir/";		else $dirlink="$dir/";

	$res = "";		$res = "";
	@@ -562,19 +687,29 @@ function showlist(){

	function html(){		function html(){

	global $file,$limit,$record,$nRecords;		global $file,$limit,$record,$nRecords,$filter,$nth;
	global $init;		global $init;

			$ins_filter = array();

	if ($init) {		if ($init) {
	$ins_file = $file;		$ins_file = $file;
	$ins_limit = $limit;		$ins_limit = $limit;
	$ins_rec = $record;		$ins_rec = $record;
	$ins_nrec = $_GET['nrecords']+$record;		$ins_nrec = $_GET['nrecords']+$record;
			for($i=0;$i<10;$i++){
			if (($filter>>$i)&1==1) $ins_filter[$i] = "checked";
			}
			$ins_nth = $nth;
	}else{		}else{
	$ins_file = "imu.log";		$ins_file = "imu.log";
	$ins_limit = 5000;		$ins_limit = 500;
	$ins_rec = 0;		$ins_rec = 0;
	$ins_nrec = 5000;		$ins_nrec = 5000;
			for($i=0;$i<10;$i++){
			$ins_filter[$i] = "checked";
			}
			$ins_nth = 1;
	}		}

	$js = js();		$js = js();
	@@ -610,22 +745,22 @@ function html(){
	<tr>		<tr>
	<td colspan=''>Record filter:		<td colspan=''>Record filter:
	<span title='External device'>EXT		<span title='External device'>EXT
	<input id='filter_9' type='checkbox' checked onchange='getRqStr()'>		<input id='filter_9' type='checkbox' {$ins_filter[9]} onchange='getRqStr()' title='External source'>
	</span>		</span>
	<span title='Image trigger signal'>IMG		<span title='Image trigger signal'>IMG
	<input id='filter_8' type='checkbox' checked onchange='getRqStr()' title='Sensor port 3'>		<input id='filter_8' type='checkbox' {$ins_filter[8]} onchange='getRqStr()' title='Sensor port 3'>
	<input id='filter_7' type='checkbox' checked onchange='getRqStr()' title='Sensor port 2'>		<input id='filter_7' type='checkbox' {$ins_filter[7]} onchange='getRqStr()' title='Sensor port 2'>
	<input id='filter_6' type='checkbox' checked onchange='getRqStr()' title='Sensor port 1'>		<input id='filter_6' type='checkbox' {$ins_filter[6]} onchange='getRqStr()' title='Sensor port 1'>
	<input id='filter_5' type='checkbox' checked onchange='getRqStr()' title='Sensor port 0'>		<input id='filter_5' type='checkbox' {$ins_filter[5]} onchange='getRqStr()' title='Sensor port 0'>
	</span>		</span>
	<span title='IMU'>IMU		<span title='IMU'>IMU
	<input id='filter_4' type='checkbox' checked onchange='getRqStr()'>		<input id='filter_4' type='checkbox' {$ins_filter[4]} onchange='getRqStr()'>
	</span>		</span>
	<span title='GPS'>GPS		<span title='GPS'>GPS
	<input id='filter_3' type='checkbox' checked onchange='getRqStr()' title='NMEA GPVTG'>		<input id='filter_3' type='checkbox' {$ins_filter[3]} onchange='getRqStr()' title='NMEA GPVTG'>
	<input id='filter_2' type='checkbox' checked onchange='getRqStr()' title='NMEA GPGSA'>		<input id='filter_2' type='checkbox' {$ins_filter[2]} onchange='getRqStr()' title='NMEA GPGSA'>
	<input id='filter_1' type='checkbox' checked onchange='getRqStr()' title='NMEA GPGGA'>		<input id='filter_1' type='checkbox' {$ins_filter[1]} onchange='getRqStr()' title='NMEA GPGGA'>
	<input id='filter_0' type='checkbox' checked onchange='getRqStr()' title='NMEA GPRMC'>		<input id='filter_0' type='checkbox' {$ins_filter[0]} onchange='getRqStr()' title='NMEA GPRMC'>
	</span>		</span>
	</td>		</td>
	</tr>		</tr>
	@@ -640,14 +775,19 @@ function html(){
	<td></td>		<td></td>
	<td>End</td><td><input id='end' type='text' value='$ins_nrec' style='width:100px;text-align:right;' onchange='getRqStr()'></td>		<td>End</td><td><input id='end' type='text' value='$ins_nrec' style='width:100px;text-align:right;' onchange='getRqStr()'></td>
	</tr>		</tr>
			<tr>
	<td><input type='checkbox' id='show_limit_toggle' checked onchange='getRqStr()'></td>		<td><input type='checkbox' id='show_limit_toggle' checked onchange='getRqStr()'></td>
	<td>Show limit</td><td><input id='limit' type='text' value='$ins_limit' style='width:100px;text-align:right;' onchange='getRqStr()'></td>		<td>Show limit</td><td><input id='limit' type='text' value='$ins_limit' style='width:100px;text-align:right;' onchange='getRqStr()'></td>
	</tr>		</tr>
			<tr>
			<td><input type='checkbox' id='show_nth_toggle' checked onchange='getRqStr()'></td>
			<td>Show every</td><td><input id='nth' type='text' value='$ins_nth' style='width:100px;text-align:right;' onchange='getRqStr()'> <sup>th</sup> record</td>
			</tr>
	</table>		</table>
	</td>		</td>
	</tr>		</tr>
	<tr>		<tr>
	<td><button onclick='show()'>Show records</button>  <span id='csvlink'></span></td>		<td><button onclick='show()'>Show records</button>  <span id='csvlink'></span><span id='csvlink2'></span></td>
	</tr>		</tr>
	</table>		</table>
	</td>		</td>
	@@ -660,6 +800,7 @@ TEXT;
	}		}

	function js(){		function js(){
			global $thisname;
	global $init;		global $init;

	if ($init) $insert = "show();";		if ($init) $insert = "show();";
	@@ -678,8 +819,6 @@ function init(){
	function show(){		function show(){
	console.log("show");		console.log("show");

	report("status: waiting for response");

	var rqstr = getRqStr();		var rqstr = getRqStr();

	var request = new XMLHttpRequest();		var request = new XMLHttpRequest();
	@@ -688,10 +827,8 @@ function show(){
	request.onreadystatechange = function() {		request.onreadystatechange = function() {
	if (this.readyState == 4 && this.status == 200) {		if (this.readyState == 4 && this.status == 200) {
	var resp = this.responseText;		var resp = this.responseText;
	report("status: parsing response");
	clearInterval(loading_interval);		clearInterval(loading_interval);
	document.getElementById("results").innerHTML = "<br/>"+resp;		document.getElementById("results").innerHTML = "<br/>"+resp;
	report("<a href='"+rqstr+"'>current view</a>, <a href='"+rqstr+"&nogui"+"&format=csv"+"'>csv</a>, <a href='"+rqstr+"&nogui"+"&format=html"+"'>html</a>");
	}		}
	};		};

	@@ -706,7 +843,7 @@ function show(){
	function getList(){		function getList(){

	var filename = document.getElementById("file").value;		var filename = document.getElementById("file").value;
	var rqstr = "read_imu_log.php?list&nogui&file="+filename;		var rqstr = "$thisname?list&nogui&file="+filename;

	var request = new XMLHttpRequest();		var request = new XMLHttpRequest();
	request.open('GET', rqstr, true);		request.open('GET', rqstr, true);
	@@ -731,7 +868,7 @@ function getRqStr(){
	var filename = document.getElementById("file").value;		var filename = document.getElementById("file").value;

	var filter = 0;		var filter = 0;
	for(var i=0;i<7;i++){		for(var i=0;i<10;i++){
	bit = (document.getElementById("filter_"+i).checked)?1:0;		bit = (document.getElementById("filter_"+i).checked)?1:0;
	filter += (bit<<i);		filter += (bit<<i);
	}		}
	@@ -745,6 +882,12 @@ function getRqStr(){
	limit = "&limit="+document.getElementById("limit").value;		limit = "&limit="+document.getElementById("limit").value;
	}		}

			var nth = "";

			if (document.getElementById("show_nth_toggle").checked){
			nth = "&nth="+document.getElementById("nth").value;
			}

	var n = end - start;		var n = end - start;

	if (n<0) {		if (n<0) {
	@@ -752,11 +895,11 @@ function getRqStr(){
	n = 1;		n = 1;
	}		}

	var rqstr = "read_imu_log.php?file="+filename+"&record="+start+"&nrecords="+n+"&filter="+filter+limit;		var rqstr = "$thisname?file="+filename+"&record="+start+"&nrecords="+n+"&filter="+filter+limit+nth;

	report("");		report("");
	setTimeout(function(){		setTimeout(function(){
	report("<a href='"+rqstr+"'>current view</a>, <a href='"+rqstr+"&nogui"+"&format=csv"+"'>csv</a>, <a href='"+rqstr+"&nogui"+"&format=html"+"'>html</a>");		report("<a href='"+rqstr+"'>share</a>, Download: <a href='"+rqstr+"&nogui"+"&format=csv'>csv</a>, <a href='"+rqstr+"&nogui"+"&format=csv&showall'>full csv</a>");
	},100);		},100);

	return rqstr;		return rqstr;
	@@ -798,22 +941,28 @@ var loading_interval;

	function loading(){		function loading(){
	console.log("loading");		console.log("loading");
	var tmp = document.getElementById("csvlink").innerHTML;		var tmp = document.getElementById("csvlink2").innerHTML;
	if (tmp.length<2) tmp += ".";		if (tmp.length<2) tmp += ".";
	else tmp = "";		else tmp = "";
	document.getElementById("csvlink").innerHTML = tmp;		document.getElementById("csvlink2").innerHTML = tmp;
	}		}

	TEXT;		TEXT;
	}		}

	function help(){		function help(){
			global $thisname;
	global $nogui;		global $nogui;

	$logslist = showlist();		$logslist = showlist();

	$help = <<<TEXT		$help = <<<TEXT
	<span style='font-size:1.2em;'>$logslist</span>		<span style='font-size:1.2em;'>$logslist</span>
			<div style='font-size:1.2em;'>Source:
			<ul>
			<li><a href="?source" >This program source</a></li>
			</ul>
			</div>
	<div style='font-size:1.2em;'>Usage:		<div style='font-size:1.2em;'>Usage:
	<ul>		<ul>
	<li>GUI:		<li>GUI:
	@@ -822,39 +971,57 @@ function help(){
	<i>remote != server address</i> - http://thisscriptrootpath/logs/filename<br/>		<i>remote != server address</i> - http://thisscriptrootpath/logs/filename<br/>
	<i>remote == server address</i> - any relative/absolute path		<i>remote == server address</i> - any relative/absolute path
	</li>		</li>
	<li><b>Checkboxes</b> - checked = show</li>		<li><b>Record filter checkboxes</b> - checked = show</li>
	<li><b>Begin</b> - offset, record index in log</li>		<li><b>Begin</b> - offset, record index in log</li>
	<li><b>End</b> - offset, record index in log</li>		<li><b>End</b> - offset, record index in log</li>
	<li><b>Show limit</b> - Number of filtered records to show, if enabled overrides <b>End</b></li>		<li><b>Show limit</b> - Number of filtered records to show, if enabled overrides <b>End</b></li>
	<li><b>current view, csv, html</b> - if any parameter changed a link to csv or html data is created/updated</li>		<li><button onclick='getList()'>List log files</button> :
			<ul>
			<li>remote access - list of files in <b>http://thisscriptrootpath/logs/</b></li>
			<li>local access - list of files in <b>http://thisscriptrootpath/</b></li>
			</ul>
			<button onclick='show()'>Show records</button> - after a file is selected.<br/>
			If a folder is selected - <button onclick='getList()'>List log files</button> again to scan inside.
			</li>
			<li><a href='#'>share</a> - open this page with the same parameters (auto <b>show records</b>)</li>
			<li><a href='#'>csv</a> - download csv: filter + limit</li>
			<li><a href='#'>csv full</a> - download csv: filter + no limit</li>
	</ul>		</ul>
	</li>		</li>
	<br/>		<br/>
	<li>URL (see <b><i>current view, csv, html</i></b>):		<li>URL (see <b>share</b>,<b>csv</b>,<b>csv full</b>):
	<ul>		<ul>
	<li>		<li>
	<b>http://thisscriptrootpath/read_imu_log.php?file=..&record=..&nrecords=..&filter=..&limit=..&format=..</b><br/>		<b>http://thisscriptrootpath/$thisname?file=..&record=..&nrecords=..&filter=..&limit=..&format=..</b><br/>
	<b>file</b> - with path<br/>		<b>file</b> - with path<br/>
	<b>format</b> - accepts 'csv' or 'html'<br/>		<b>format</b> - accepts 'csv' or 'html'<br/>
	<b>limit</b> - limit the displayed records<br/>		<b>limit</b> - limit the displayed records<br/>
	<b>record</b> - starting record index, default = 0<br/>		<b>record</b> - starting record index, default = 0<br/>
	<b>nrecords</b> - number of records to parse, default = 5000<br/>		<b>nrecords</b> - number of records to parse, default = 5000<br/>
	<b>filter</b> - filter out types of displayed records:<br/>		<b>filter</b> - filter out types of displayed records:<br/>
	0x40 - display external trigger records only<br/>		0x200 - display external trigger records only<br/>
	0x20 - display image records only<br/>		0x100 - display image records, channel 3 only<br/>
	0x10 - display imu records only<br/>		0x080 - display image records, channel 2 only<br/>
			0x040 - display image records, channel 1 only<br/>
			0x020 - display image records, channel 0 only<br/>
			0x010 - display imu records only<br/>
	for gps records:<br/>		for gps records:<br/>
	0x08 - display NMEA GPVTG records,<br/>		0x008 - display NMEA GPVTG records,<br/>
	0x04 - display NMEA GPGSA records<br/>		0x004 - display NMEA GPGSA records<br/>
	0x02 - display NMEA GPGGA records (have coordinates)<br/>		0x002 - display NMEA GPGGA records (have coordinates)<br/>
	0x01 - display NMEA GPRMC records (have coordinates)<br/>		0x001 - display NMEA GPRMC records (have coordinates)<br/>
	default = 0x7f (display everything)<br/>		default = 0x7f (display everything)<br/>
	</li>		</li>
	</ul>		</ul>
	</li>		</li>
	<li><a href="?source" >PHP source</a></li>		<li>Command line:
			<ul>
			<li><i>~$ php $thisname logfile filter [filter] > output.csv</i></li>
			</ul>
			</li>
	</ul>		</ul>
	</div>		</div>
			<br/><br/><br/>
	TEXT;		TEXT;

	if (!$nogui) $help = "`<br/>$help`";		if (!$nogui) $help = "`<br/>$help`";

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