www-thermferm/liveview.php

<?php
/*****************************************************************************
 * Copyright (C) 2014-2015
 *   
 * Michiel Broek <mbroek at mbse dot eu>
 *
 * This file is part of ThermFerm
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * ThermFerm is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with ThermFerm; see the file COPYING.  If not, write to the Free
 * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *****************************************************************************/


require_once('utilities.php');


function showunit($unit, $unr, $name)
{
    global $my_style;

    $outstr = '    <!--  showunit(' . $unit . ', ' . $unr . ', ' . $name . ')  -->' . PHP_EOL;
    $air_state = $beer_state = 1;
    $answer = send_cmd("UNIT GET ".$unit);
    $arr = explode("\r\n", $answer);

    if (startsWith($arr[0], "213")) {

	$set_temperature_lo = "NA";
	$set_temperature_hi = "NA";
	$air_temperature = "NA";
	$beer_temperature = "NA";
	$profile = "";
	$prof_state = "OFF";
	$power_led = $cooler_led = $heater_led = $fan_led = "off";
	$heater = $cooler = $fan = "no";
	$heater_state = $cooler_state = $fan_state = 0;

	foreach($arr as $l) {
	    $vals = explode(",", $l);
	    if (strcmp($vals[0], "MODE") == 0) {
		$mode = $vals[1];
		if (strcmp($mode, "OFF"))
		    $power_led = "on";
	    }
	    if (strcmp($vals[0], "AIR_STATE") == 0) {
		$air_state = $vals[1];
	    }
	    if ((strcmp($vals[0], "AIR_TEMPERATURE") == 0) && ($air_state == 0)) {
		$air_temperature = $vals[1];
	    }
	    if (strcmp($vals[0], "BEER_STATE") == 0) {
		$beer_state = $vals[1];
	    }
	    if ((strcmp($vals[0], "BEER_TEMPERATURE") == 0) && ($beer_state == 0)) {
		$beer_temperature = $vals[1];
	    }
	    if ((strcmp($vals[0], "HEATER_ADDRESS") == 0) && (strcmp($vals[1], "(null)"))) {
		$heater = "yes";
	    }
	    if (strcmp($vals[0], "HEATER_STATE") == 0) {
		$heater_state = $vals[1];
	    }
	    if ((strcmp($vals[0], "COOLER_ADDRESS") == 0) && (strcmp($vals[1], "(null)"))) {
		$cooler = "yes";
	    }
	    if (strcmp($vals[0], "COOLER_STATE") == 0) {
		$cooler_state = $vals[1];
	    }
	    if ((strcmp($vals[0], "FAN_ADDRESS") == 0) && (strcmp($vals[1], "(null)"))) {
		$fan = "yes";
	    }
	    if (strcmp($vals[0], "FAN_STATE") == 0) {
		$fan_state = $vals[1];
	    }
	    if (strcmp($vals[0], "PROFILE") == 0) {
		$profile = $vals[1];
	    }
	    if (strcmp($vals[0], "PROF_STATE") == 0) {
		$prof_state = $vals[1];
	    }
	    if (($vals[0] == "BEER_SET") && ($mode == "BEER")) {
		$set_temperature_lo = $set_temperature_hi = $vals[1];
	    }
	    if (($vals[0] == "FRIDGE_SET") && ($mode == "FRIDGE")) {
		$set_temperature_lo = $set_temperature_hi = $vals[1];
	    }
	    if (($vals[0] == "PROF_TARGET_LO") && ($mode == "PROFILE")) {
		$set_temperature_lo = $vals[1];
	    }
	    if (($vals[0] == "PROF_TARGET_HI") && ($mode == "PROFILE")) {
		$set_temperature_hi = $vals[1];
	    }
	}

	$outstr .= '    <script type="text/javascript">'.PHP_EOL;
	$outstr .= '     $(document).ready(function () {'.PHP_EOL;

	$outstr .= '       function getExportServer'.$unr.'() {'.PHP_EOL;
	$outstr .= '         return "http://www.jqwidgets.com/export_server/export.php";'.PHP_EOL;
	$outstr .= '       }'.PHP_EOL;
	$outstr .= '       var source'.$unr.' ='.PHP_EOL;
	$outstr .= '       {'.PHP_EOL;
	$outstr .= '          datatype: "json",'.PHP_EOL;
	$outstr .= '          datafields: ['.PHP_EOL;
	$outstr .= '             { name: "Date", type: "date", format: "yyyy-MM-dd HH:mm" },'.PHP_EOL;
	$outstr .= '             { name: "Mode" },'.PHP_EOL;
	$outstr .= '             { name: "Air", type: "float" },'.PHP_EOL;
	$outstr .= '             { name: "Beer", type: "float" },'.PHP_EOL;
	$outstr .= '             { name: "Target_lo", type: "float" },'.PHP_EOL;
	$outstr .= '             { name: "Target_hi", type: "float" },'.PHP_EOL;
	$outstr .= '             { name: "Heater", type: "int" },'.PHP_EOL;
	$outstr .= '             { name: "Cooler", type: "int" },'.PHP_EOL;
	$outstr .= '             { name: "HeatUse", type: "int" },'.PHP_EOL;
	$outstr .= '             { name: "CoolUse", type: "int" },'.PHP_EOL;
	$outstr .= '             { name: "Room", type: "float" }'.PHP_EOL;
	$outstr .= '          ],'.PHP_EOL;
	$outstr .= '          url: \'getlog.php?unit='.$unit.'\''.PHP_EOL;
	$outstr .= '       };'.PHP_EOL;

	$outstr .= '       var dataAdapter'.$unr.' = new $.jqx.dataAdapter(source'.$unr.','.PHP_EOL;
	$outstr .= '       {'.PHP_EOL;
	$outstr .= '          autoBind: true,'.PHP_EOL;
	$outstr .= '          async: false,'.PHP_EOL;
	$outstr .= '          downloadComplete: function () { },'.PHP_EOL;
	$outstr .= '          loadComplete: function () { },'.PHP_EOL;
	$outstr .= '          loadError: function () { }'.PHP_EOL;
	$outstr .= '       });'.PHP_EOL;

	$outstr .= '       var settings'.$unr.' = {'.PHP_EOL;
	$outstr .= '         title: "'.$name.'",'.PHP_EOL;
	$outstr .= '         description: "",'.PHP_EOL;
	$outstr .= '         padding: { left: 5, top: 5, right: 5, bottom: 5 },'.PHP_EOL;
	$outstr .= '         titlePadding: { left: 0, top: 0, right: 0, bottom: 10 },'.PHP_EOL;
	$outstr .= '         source: dataAdapter'.$unr.','.PHP_EOL;
	$outstr .= '         xAxis:'.PHP_EOL;
	$outstr .= '           {'.PHP_EOL;
	$outstr .= '             dataField: \'Date\','.PHP_EOL;
	$outstr .= '             type: \'date\','.PHP_EOL;
	$outstr .= '             formatFunction: function (value) {'.PHP_EOL;
	$outstr .= '                return value.getDate() + \'-\' + (value.getMonth() + 1) + \'-\' + value.getFullYear()'.PHP_EOL;
	$outstr .= '             },'.PHP_EOL;
	$outstr .= '             toolTipFormatFunction: function (value) {'.PHP_EOL;
	$outstr .= '                var h = value.getHours();'.PHP_EOL;
	$outstr .= '                var m = value.getMinutes();'.PHP_EOL;
	$outstr .= '                return value.getDate() + \'-\' + (value.getMonth() + 1) + \'-\' + value.getFullYear()';
	$outstr .= ' + \' \' + (h < 10 ? \'0\' + h : h) + \':\' + (m < 10 ? \'0\' + m : m);'.PHP_EOL;
	$outstr .= '             },'.PHP_EOL;
	$outstr .= '             textRotationAngle: 45,'.PHP_EOL;
	$outstr .= '             showGridLines: false'.PHP_EOL;
	$outstr .= '           },'.PHP_EOL;
	$outstr .= '         colorScheme: \'scheme01\','.PHP_EOL;
	$outstr .= '         seriesGroups:'.PHP_EOL;
	$outstr .= '           [{'.PHP_EOL;
	$outstr .= '             type: "line",'.PHP_EOL;
	$outstr .= '             valueAxis:'.PHP_EOL;
	$outstr .= '             {'.PHP_EOL;
	$outstr .= '               minValue: 0,'.PHP_EOL;
	$outstr .= '               maxValue: 100,'.PHP_EOL;
	$outstr .= '               displayValueAxis: false,'.PHP_EOL;
	$outstr .= '               description: "Heat/Cool %"'.PHP_EOL;
	$outstr .= '             },'.PHP_EOL;
	$outstr .= '             series: ['.PHP_EOL;
	$outstr .= '               { dataField: "CoolUse", lineWidth: 1, displayText: "Cool %", opacity: 0.5 },'.PHP_EOL;
	$outstr .= '               { dataField: "HeatUse", lineWidth: 1, displayText: "Heat %", opacity: 0.5 }'.PHP_EOL;
	$outstr .= '             ]'.PHP_EOL;
	$outstr .= '            },'.PHP_EOL;
	$outstr .= '            {'.PHP_EOL;
	$outstr .= '             type: "line",'.PHP_EOL;
	$outstr .= '             valueAxis:'.PHP_EOL;
	$outstr .= '             {'.PHP_EOL;
	$outstr .= '               minValue: 0,'.PHP_EOL;
	$outstr .= '               description: \'Degrees C\''.PHP_EOL;
	$outstr .= '             },'.PHP_EOL;
	$outstr .= '             series: ['.PHP_EOL;
	$outstr .= '               { dataField: "Air", lineWidth: 1, displayText: "Air" },'.PHP_EOL;
	$outstr .= '               { dataField: "Beer", lineWidth: 2, displayText: "Beer" },'.PHP_EOL;
	$outstr .= '               { dataField: "Target_lo", lineWidth: 1, displayText: "Target Lo", opacity: 0.7 },'.PHP_EOL;
	$outstr .= '               { dataField: "Target_hi", lineWidth: 1, displayText: "Target Hi", opacity: 0.7 },'.PHP_EOL;
	$outstr .= '               { dataField: "Room", lineWidth: 1, displayText: "Room", opacity: 0.5 }'.PHP_EOL;
	$outstr .= '             ]'.PHP_EOL;
	$outstr .= '           }]'.PHP_EOL;
	$outstr .= '       };'.PHP_EOL;
	/* Direct draw for the first time */
	$outstr .= '       $("#fermentor_chart_'.$unit.'").jqxChart(settings'.$unr.');'.PHP_EOL;
	/* Regular updates of the chart */
//	$outstr .= '       setInterval(function(){'.PHP_EOL;
//	$outstr .= '         $("#fermentor_chart_'.$unit.'").jqxChart("update");'.PHP_EOL;
//	$outstr .= '       }, 3000);'.PHP_EOL;

	$outstr .= '       $("#print_'.$unr.'").click(function () {'.PHP_EOL;
	$outstr .= '         var content = $("#fermentor_chart_'.$unit.'")[0].outerHTML;'.PHP_EOL;
	$outstr .= '         var newWindow = window.open("", "", "width=750, height=400"),'.PHP_EOL;
	$outstr .= '         document = newWindow.document.open(),'.PHP_EOL;
	$outstr .= '         pageContent ='.PHP_EOL;
	$outstr .= '         \'<!DOCTYPE html>\' +'.PHP_EOL;
	$outstr .= '         \'<html>\' +'.PHP_EOL;
	$outstr .= '         \'<head>\' +'.PHP_EOL;
	$outstr .= '         \'<link rel="stylesheet" href="jqwidgets/styles/jqx.base.css" type="text/css" />\' +'.PHP_EOL;
	$outstr .= '         \'<meta charset="utf-8" />\' +'.PHP_EOL;
	$outstr .= '         \'<title>jQWidgets Chart</title>\' +'.PHP_EOL;
	$outstr .= '         \'</head>\' +'.PHP_EOL;
	$outstr .= '         \'<body>\' + content + \'</body></html>\';'.PHP_EOL;
	$outstr .= '         document.write(pageContent);'.PHP_EOL;
	$outstr .= '         document.close();'.PHP_EOL;
	$outstr .= '         newWindow.print();'.PHP_EOL;
	$outstr .= '       });'.PHP_EOL;
	$outstr .= '       $("#print_'.$unr.'").jqxButton({ width: 70, height: 25, theme: "ui-redmond" });'.PHP_EOL;

	$outstr .= '       $("#pngButton_'.$unr.'").click(function () {'.PHP_EOL;
			      	// call the export server to create a PNG image
	$outstr .= '       	$("#fermentor_chart_'.$unit.'").jqxChart("saveAsPNG", "Chart_'.$name.'.png", getExportServer'.$unr.'());'.PHP_EOL;
	$outstr .= '       });'.PHP_EOL;
	$outstr .= '       $("#pdfButton_'.$unr.'").click(function () {'.PHP_EOL;
	$outstr .= '            $("#fermentor_chart_'.$unit.'").jqxChart("saveAsPDF", "Chart_'.$name.'.pdf", getExportServer'.$unr.'());'.PHP_EOL;
	$outstr .= '       });'.PHP_EOL;
	$outstr .= '       $("#pngButton_'.$unr.'").jqxButton({ width: 70, height: 25, theme: "ui-redmond" });'.PHP_EOL;
	$outstr .= '       $("#pdfButton_'.$unr.'").jqxButton({ width: 70, height: 25, theme: "ui-redmond" });'.PHP_EOL;

	$outstr .= '       setInterval(function(){'.PHP_EOL;
	$outstr .= '         $.getJSON("getstate.php?uuid='.$unit.'", function(data) {'.PHP_EOL;
	$outstr .= '           $("#load_air_'.$unr.'").html(data.air_temperature);'.PHP_EOL;
	$outstr .= '           $("#load_beer_'.$unr.'").html(data.beer_temperature);'.PHP_EOL;
	$outstr .= '           $("#load_target_lo_'.$unr.'").html(data.target_temperature_lo);'.PHP_EOL;
	$outstr .= '           $("#load_target_hi_'.$unr.'").html(data.target_temperature_hi);'.PHP_EOL;
	$outstr .= '           $("#load_select_'.$unr.'").html(data.mode);'.PHP_EOL;
	$outstr .= '           $("#load_led1_'.$unr.'").html(data.led1);'.PHP_EOL;
	$outstr .= '           $("#load_led2_'.$unr.'").html(data.led2);'.PHP_EOL;
	$outstr .= '           $("#load_led3_'.$unr.'").html(data.led3);'.PHP_EOL;
	$outstr .= '           $("#load_sw1_'.$unr.'").html(data.sw1);'.PHP_EOL;
	$outstr .= '           $("#load_sw2_'.$unr.'").html(data.sw2);'.PHP_EOL;
	$outstr .= '           $("#load_sw3_'.$unr.'").html(data.sw3);'.PHP_EOL;
	if ($mode == "PROFILE")
	    $outstr .= '           $("#prof_state_'.$unr.'").html(data.profile_state);'.PHP_EOL;
        $outstr .= '         });'.PHP_EOL;
	$outstr .= '       }, 10000);'.PHP_EOL;

	/*
	 * Tooltips
	 */
	$outstr .= '       $("#load_air_'.$unr.'").jqxTooltip({ content: "The measured air temperature.", theme: "'.$my_style.'" });'.PHP_EOL;
	$outstr .= '       $("#load_beer_'.$unr.'").jqxTooltip({ content: "The measured beer temperature.", theme: "'.$my_style.'" });'.PHP_EOL;
	$outstr .= '       $("#load_target_lo_'.$unr.'").jqxTooltip({ content: "The target low temperature.", theme: "'.$my_style.'" });'.PHP_EOL;
	$outstr .= '       $("#load_target_hi_'.$unr.'").jqxTooltip({ content: "The target high temperature.", theme: "'.$my_style.'" });'.PHP_EOL;
	$outstr .= '       $("#load_select_'.$unr.'").jqxTooltip({ content: "Select unit mode.", theme: "'.$my_style.'" });'.PHP_EOL;
	if (($mode == "NONE") && ($cooler == "yes"))
	    $outstr .= '       $("#load_sw1_'.$unr.'").jqxTooltip({ content: "Manual control cooler.", theme: "'.$my_style.'" });'.PHP_EOL;
	if (($mode == "NONE") && ($heater == "yes"))
	    $outstr .= '       $("#load_sw2_'.$unr.'").jqxTooltip({ content: "Manual control heater.", theme: "'.$my_style.'" });'.PHP_EOL;
	if (($mode == "NONE") && ($fan== "yes"))
	    $outstr .= '       $("#load_sw3_'.$unr.'").jqxTooltip({ content: "Manual control fan.", theme: "'.$my_style.'" });'.PHP_EOL;
	$outstr .= '       $("#print_'.$unr.'").jqxTooltip({ content: "Print the current graph.", theme: "'.$my_style.'" });'.PHP_EOL;
	$outstr .= '       $("#pngButton_'.$unr.'").jqxTooltip({ content: "Save the current graph as png image.", theme: "'.$my_style.'" });'.PHP_EOL;
	$outstr .= '       $("#pdfButton_'.$unr.'").jqxTooltip({ content: "Save the current graph as PDF file.", theme: "'.$my_style.'" });'.PHP_EOL;

	$outstr .= '     });'.PHP_EOL;
	$outstr .= '    </script>'.PHP_EOL;
	$outstr .= '    <div id="fermentor">'.PHP_EOL;
	$outstr .= '     <div id="fermentor_chart_'.$unit.'" style="width:720px; height:377px; float:left"></div>'.PHP_EOL;

	$outstr .= '     <div id="fermentor_panel_top">'.PHP_EOL;
	$outstr .= '      <div id="fermentor_selector">'.PHP_EOL;
	$outstr .= '       <form id="select_'.$unr.'" action="index.php" method="post">'.PHP_EOL;
	$outstr .= '      <div id="load_select_'.$unr.'">'.PHP_EOL;
	strcmp($mode, "OFF") ? $se = "" : $se = " checked";
	$outstr .= '        <input type="radio" name="mode" onchange="this.form.submit()" class="select" value="OFF"'.$se.'>Off<br>'.PHP_EOL;
	strcmp($mode, "NONE") ? $se = "" : $se = " checked";
	$outstr .= '        <input type="radio" name="mode" onchange="this.form.submit()" class="select" value="NONE"'.$se.'>None<br>'.PHP_EOL;
	(strcmp($heater, "no") || strcmp($cooler, "no")) ? $dis = "" : $dis = " disabled";
	strcmp($mode, "FRIDGE") ? $se = "" : $se = " checked";
	$outstr .= '        <input type="radio" name="mode" onchange="this.form.submit()" class="select" value="FRIDGE"'.$se.$dis.'>Fridge<br>'.PHP_EOL;
	strcmp($mode, "BEER") ? $se = "" : $se = " checked";
	$outstr .= '        <input type="radio" name="mode" onchange="this.form.submit()" class="select" value="BEER"'.$se.$dis.'>Beer<br>'.PHP_EOL;
	strcmp($mode, "PROFILE") ? $se = "" : $se = " checked";
	$outstr .= '        <input type="radio" name="mode" onchange="this.form.submit()" class="select" value="PROFILE"'.$se.$dis.'>Profile'.PHP_EOL;
	$outstr .= '       </div>'.PHP_EOL;
	$outstr .= '        <input type="hidden" name="UUID" value="'.$unit.'">'.PHP_EOL;
	$outstr .= '       </form>'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;

	$outstr .= '      <div id="fermentor_powerled">'.PHP_EOL;
	$outstr .= '       <div class="LEDblue_'.$power_led.'"></div>Pwr'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;

	$outstr .= '      <div id="fermentor_mode_control">'.PHP_EOL;
	if ($mode == "FRIDGE") {
	    $outstr .= '       <form id="set_fridge_'.$unr.'" action="index.php" method="post">'.PHP_EOL;
	    $outstr .= '        <input type="text" name="Fridge" size="5" value="'.$set_temperature_lo.'"><br>'.PHP_EOL;
	    $outstr .= '        <input type="submit" value="Set" name="key">'.PHP_EOL;
	    $outstr .= '        <input type="hidden" value="'.$unit.'" name="UUID">'.PHP_EOL;
	    $outstr .= '       </form>'.PHP_EOL;
	}
	if ($mode == "BEER") {
	    $outstr .= '       <form id="set_beer_'.$unr.'" action="index.php" method="post">'.PHP_EOL;
	    $outstr .= '        <input type="text" name="Beer" size="5" value="'.$set_temperature_lo.'">'.PHP_EOL;
	    $outstr .= '        <input type="submit" value="Set" name="key">'.PHP_EOL;
	    $outstr .= '        <input type="hidden" value="'.$unit.'" name="UUID">'.PHP_EOL;
	    $outstr .= '       </form>'.PHP_EOL;
	}
	if ($mode == "PROFILE") {
	    /*
	     * First, load a list with available profiles.
	     */
	    $answer = send_cmd("PROFILE LIST");
	    $reply = explode("\r\n", $answer);

	    /*
	     * Show loaded profile.
	     */
	    if ($profile == "(null)") {
		$prof_name = "None";
	    }else {
		if (startsWith($reply[0], "212")) {
		    $i = 1;
		    while (1) {
			if (strcmp($reply[$i], ".") == 0)
			    break;
			$f = explode(",", $reply[$i]);
			if ($f[0] == $profile) {
			    $prof_name = $f[1];
			    break;
			}
			$i++;
		    }
		}
	    }
	    $outstr .= '       <div style="color: blue; width: 148px; height: 23px; overflow: hidden;">Profile: '.$prof_name.'</div>'.PHP_EOL;
	    $outstr .= '       <div id="prof_state_'.$unr.'" style="color: blue; width: 148px; height: 23px; overflow: hidden;">State: '.$prof_state.'</div>'.PHP_EOL;

	    $outstr .= '       <form id="set_profile_'.$unr.'" action="index.php" method="post">'.PHP_EOL;
	    if ($prof_state == "OFF") {
	    	$outstr .= '        <select name="SetProfile" style="width: 130px;">'.PHP_EOL;
	    	$outstr .= '         <option value="">None</option>'.PHP_EOL;
	    	if (startsWith($reply[0], "212")) {
		    $i = 1;
		    while (1) {
			if (strcmp($reply[$i], ".") == 0)
			    break;
			$f = explode(",", $reply[$i]);
			if ($f[2] > 0) {
			    ($f[0] == $profile) ? $se = " selected" : $se = "";
			    $outstr .= '         <option value="'.$f[0].'"'.$se.'>'.$f[1].'</option>'.PHP_EOL;
			}
			$i++;
		    }
	    	}
		$outstr .= '        </select>'.PHP_EOL;
		$outstr .= '        <input type="submit" value="Set" name="key">'.PHP_EOL;
		if ($profile != "(null)")
		    $outstr .= '        <input type="submit" value="Start" name="key">'.PHP_EOL;

	    } else if (startsWith($prof_state, "RUN")) {
		$outstr .= '        <input type="hidden" value="'.$profile.'" name="SetProfile">'.PHP_EOL;
		$outstr .= '        <input type="submit" value="Pause" name="key">'.PHP_EOL;
		$outstr .= '        <input type="submit" value="Abort" name="key">'.PHP_EOL;
	    } else if ($prof_state == "PAUSE") {
		$outstr .= '        <input type="hidden" value="'.$profile.'" name="SetProfile">'.PHP_EOL;
		$outstr .= '        <input type="submit" value="Resume" name="key">'.PHP_EOL;
		$outstr .= '        <input type="submit" value="Abort" name="key">'.PHP_EOL;
	    } else if ($prof_state == "DONE") {
		$outstr .= '        <input type="hidden" value="'.$profile.'" name="SetProfile">'.PHP_EOL;
		$outstr .= '        <input type="submit" value="Off" name="key">'.PHP_EOL;
	    }
	    $outstr .= '        <input type="hidden" value="'.$unit.'" name="UUID">'.PHP_EOL;
	    $outstr .= '       </form>'.PHP_EOL;
	}
	$outstr .= '      </div>'.PHP_EOL;
	$outstr .= '     </div> <!-- fermentor_panel_top -->'.PHP_EOL;

	$outstr .= '     <div id="fermentor_panel_display">'.PHP_EOL;
	$outstr .= '      <div id="fermentor_display1">'.PHP_EOL;
	$outstr .= '       <div id="load_target_hi_'.$unr.'" class="htemp">'.$set_temperature_hi.'</div>'.PHP_EOL;
	$outstr .= '       <div id="load_target_lo_'.$unr.'" class="ltemp">'.$set_temperature_lo.'</div>'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;
	$outstr .= '      <div id="fermentor_display2">'.PHP_EOL;
	$outstr .= '       <div id="load_air_'.$unr.'" class="dtemp">'.$air_temperature.'</div>Air'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;
	$outstr .= '      <div id="fermentor_display3">'.PHP_EOL;
	$outstr .= '       <div id="load_beer_'.$unr.'" class="dtemp">'.$beer_temperature.'</div>Beer'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;
	$outstr .= '     </div> <!-- fermentor_panel_display -->'.PHP_EOL;

	$outstr .= '     <div id="fermentor_panel_control">'.PHP_EOL;
	if ($cooler_state)
	    $cooler_led = "on";
	$outstr .= '      <div id="fermentor_led1">'.PHP_EOL;
	$outstr .= '       <div id="load_led1_'.$unr.'"><div class="LEDgreen_'.$cooler_led.'"></div></div>Cool'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;
	if ($heater_state)
	    $heater_led = "on";
	$outstr .= '      <div id="fermentor_led2">'.PHP_EOL;
	$outstr .= '       <div id="load_led2_'.$unr.'"><div class="LEDgreen_'.$heater_led.'"></div></div>Heat'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;
	if ($fan_state)
	    $fan_led = "on";
	$outstr .= '      <div id="fermentor_led3">'.PHP_EOL;
	$outstr .= '       <div id="load_led3_'.$unr.'"><div class="LEDgreen_'.$fan_led.'"></div></div>Fan'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;

	$outstr .= '      <div id="fermentor_toggle1">'.PHP_EOL;
	$outstr .= '       <form action="index.php" method="post">'.PHP_EOL;
	(($mode == "NONE") && ($cooler == "yes")) ? $dis = "" : $dis = " disabled";
	($cooler_state == "0") ? $ch = " checked" : $ch = "";
	$outstr .= '        <div id="load_sw1_'.$unr.'">'.PHP_EOL;
	$outstr .= '         <input type="radio" name="CoolerState" onchange="this.form.submit()" value="0"'.$dis.$ch.'>Off<br>'.PHP_EOL;
	($cooler_state == "100") ? $ch = " checked" : $ch = "";
	$outstr .= '         <input type="radio" name="CoolerState" onchange="this.form.submit()" value="100"'.$dis.$ch.'>On'.PHP_EOL;
	$outstr .= '        </div>'.PHP_EOL;
	$outstr .= '        <input type="hidden" name="UUID" value="'.$unit.'">'.PHP_EOL;
	$outstr .= '       </form>'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;

	$outstr .= '      <div id="fermentor_toggle2">'.PHP_EOL;
	$outstr .= '       <form action="index.php" method="post">'.PHP_EOL;
	(($mode == "NONE") && ($heater == "yes")) ? $dis = "" : $dis = " disabled";
	($heater_state == "0") ? $ch = " checked" : $ch = "";
	$outstr .= '        <div id="load_sw2_'.$unr.'">'.PHP_EOL;
	$outstr .= '         <input type="radio" name="HeaterState" onchange="this.form.submit()" value="0"'.$dis.$ch.'>Off<br>'.PHP_EOL;
	($heater_state == "100") ? $ch = " checked" : $ch = "";
	$outstr .= '         <input type="radio" name="HeaterState" onchange="this.form.submit()" value="100"'.$dis.$ch.'>On'.PHP_EOL;
	$outstr .= '        </div>'.PHP_EOL;
	$outstr .= '        <input type="hidden" name="UUID" value="'.$unit.'">'.PHP_EOL;
	$outstr .= '       </form>'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;

	$outstr .= '      <div id="fermentor_toggle3">'.PHP_EOL;
	$outstr .= '       <form action="index.php" method="post">'.PHP_EOL;
	(($mode == "NONE") && ($fan== "yes")) ? $dis = "" : $dis = " disabled";
	($fan_state == "0") ? $ch = " checked" : $ch = "";
	$outstr .= '        <div id="load_sw3_'.$unr.'">'.PHP_EOL;
	$outstr .= '         <input type="radio" name="FanState" onchange="this.form.submit()" value="0"'.$dis.$ch.'>Off<br>'.PHP_EOL;
	($fan_state == "100") ? $ch = " checked" : $ch = "";
	$outstr .= '         <input type="radio" name="FanState" onchange="this.form.submit()" value="100"'.$dis.$ch.'>On'.PHP_EOL;
	$outstr .= '        </div>'.PHP_EOL;
	$outstr .= '        <input type="hidden" name="UUID" value="'.$unit.'">'.PHP_EOL;
	$outstr .= '       </form>'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;
	$outstr .= '     </div> <!-- fermentor_panel_control -->'.PHP_EOL;

	$outstr .= '     <div id="fermentor_panel_buttons">'.PHP_EOL;
	$outstr .= '     <div style="margin-top: 2px; margin-left: 5px;">'.PHP_EOL;
	$outstr .= '      <input style="float: left;" id="print_'.$unr.'" type="button" value="Print" />'.PHP_EOL;
	$outstr .= '      <input style="float: left; margin-left: 7px;" id="pngButton_'.$unr.'" type="button" value="as PNG" />'.PHP_EOL;
	$outstr .= '      <input style="float: left; margin-left: 7px;" id="pdfButton_'.$unr.'" type="button" value="as PDF" />'.PHP_EOL;
	$outstr .= '     </div>'.PHP_EOL;
	$outstr .= '     </div> <!-- fermentor_panel_buttons -->'.PHP_EOL;

	$outstr .= '    </div> <!-- fermentor -->'.PHP_EOL;
    }

    return $outstr;
}


function liveview()
{
    $outstr  = PHP_EOL;

    $answer = send_cmd("LIST");
    if (strlen($answer)) {
	$arr = explode("\r\n", $answer);

	$outstr .= '   <div id="jqxTabs">'.PHP_EOL;
	$outstr .= '    <ul>'.PHP_EOL;
	if (startsWith($arr[0], "212")) {
	    $i = 1;
	    while (1) {
		if (strcmp($arr[$i], ".") == 0)
			break;
		$parts = explode(",", $arr[$i]);
		$outstr .= '     <li style="margin-left: 20px;">'.$parts[1].'</li>'.PHP_EOL;
		$i++;
	    }
	}
	$outstr .= '    </ul>'.PHP_EOL;

	if (startsWith($arr[0], "212")) {
	    $i = 1;
	    while (1) {
		if (strcmp($arr[$i], ".") == 0)
		    break;
		$parts = explode(",", $arr[$i]);
		$outstr .= showunit($parts[0], $i, $parts[1]);
		$i++;
	    }
	}
	$outstr .= '   </div> <!-- jqxTabs -->'.PHP_EOL;
    }

    return $outstr;
}


?>