iaqmonitor.min.js

var AXISCOL="#333333";var DATUMCOL="#a9a9a9";var sInterval=5e3;var gInterval=5e3;var lInterval=36e5;var sTimer=0;var gTimer=0;var lTimer=0;var tempMin=-10;var tempMax=40;var presMin=980;var presMax=1040;var humyMin=0;var humyMax=100;var sIAQMin=0;var sIAQMax=150;var CO2Min=300;var CO2Max=1e3;var bVOCMin=0;var bVOCMax=5;function leftPad(i){"use strict";if(i<10){i="0"+i}return i}function roundTen(f,ud){"use strict";if(ud===0){f=Math.floor((f-.5)/10)*10}if(ud===1){f=Math.ceil((f+.5)/10)*10}return f}function roundTo(f,decPlace){"use strict";f=f>0?Math.floor(f*Math.pow(10,decPlace)+.5)/Math.pow(10,decPlace):Math.floor(f*Math.pow(10,decPlace)-.5)/Math.pow(10,decPlace);return f}function formatDate(dateStr,format){"use strict";var date=new Date(dateStr);var fdate;var hh;var mm;switch(format){case 1:hh=leftPad(date.getHours());mm=leftPad(date.getMinutes());fdate=date.getMonth()+1+"-"+date.getDate()+" "+hh+":"+mm;break;default:fdate=date}return fdate}function formatUptime(duration){"use strict";var hrs=Math.floor(duration/3600);var mins=Math.floor(duration%3600/60);var secs=Math.floor(duration%60);var fuptime="";fuptime+=""+hrs+":"+(mins<10?"0":"");fuptime+=""+mins+":"+(secs<10?"0":"");fuptime+=""+secs;return fuptime}function calcDewPoint(temp,rh){"use strict";var b=17.62;var c=243.12;var gamma=Math.log(rh/100)+b*temp/(c+temp);var dewp=c*gamma/(b-gamma);return dewp}function getSensor(){"use strict";var obj;var xhr=new XMLHttpRequest;xhr.open("GET","/sensor");xhr.onload=function(){if(xhr.status===200){obj=JSON.parse(xhr.responseText);document.getElementById("upTime").innerHTML=formatUptime(obj.uptime);document.getElementById("currDate").innerHTML=formatDate(obj.time,0);document.getElementById("tempValue").innerHTML=roundTo(obj.temp,1);document.getElementById("presValue").innerHTML=roundTo(obj.pres,1);document.getElementById("humyValue").innerHTML=roundTo(obj.humy,1);document.getElementById("sIAQValue").innerHTML=roundTo(obj.IAQ,1);document.getElementById("IAQAccuracy").innerHTML=obj.IAQacc;document.getElementById("CO2Value").innerHTML=roundTo(obj.CO2,1);document.getElementById("bVOCValue").innerHTML=roundTo(obj.VOC,1);document.getElementById("dewpValue").innerHTML=roundTo(calcDewPoint(obj.temp,obj.humy),1)}else{alert("Request failed.  Returned status of "+xhr.status)}};xhr.send()}function setTimers(){"use strict";clearInterval(sTimer);sTimer=setInterval("getSensor()",sInterval);clearInterval(gTimer);gTimer=setInterval("getLog()",gInterval)}function getConfig(){"use strict";var obj;var xhr=new XMLHttpRequest;xhr.open("GET","/config");xhr.onload=function(){if(xhr.status===200){obj=JSON.parse(xhr.responseText);sInterval=parseInt(obj.sensorInt);sInterval=isNaN(sInterval)?5e3:sInterval;gInterval=parseInt(obj.graphInt);gInterval=isNaN(gInterval)?5e3:gInterval;lInterval=parseInt(obj.logInt);lInterval=isNaN(lInterval)?36e5:lInterval;document.getElementById("sIntInput").value=sInterval;document.getElementById("gIntInput").value=gInterval;document.getElementById("lIntInput").value=lInterval;setTimers()}};xhr.send()}function putConfig(){"use strict";sInterval=parseInt(document.getElementById("sIntInput").value);gInterval=parseInt(document.getElementById("gIntInput").value);lInterval=parseInt(document.getElementById("lIntInput").value);var obj={sensorInt:sInterval,graphInt:gInterval,logInt:lInterval};var args=JSON.stringify(obj);var xhr=new XMLHttpRequest;xhr.open("PUT","/config");xhr.onload=function(){if(xhr.status===200){setTimers();alert("Update Successful")}if(xhr.status===500){alert("Update Failed")}if(xhr.status===404){alert("Resource Not Found")}};xhr.send(args)}function getLog(){"use strict";var obj;var xhr=new XMLHttpRequest;xhr.open("GET","/log");xhr.onload=function(){if(xhr.status===200){obj=JSON.parse(xhr.responseText);plotGraphs(obj)}};xhr.send()}function plotGraphs(obj){"use strict";var ROUNDUP=1;var ROUNDDOWN=0;var xmin;var xmax;var ymin;var ymax;var i;var col;var data=new Array(obj.logfile.length);xmin=formatDate(obj.logfile[0].time,1);xmax=formatDate(obj.logfile[obj.logfile.length-1].time,1);ymin=tempMin;ymax=tempMax;for(i=0;i<obj.logfile.length;i+=1){data[i]=obj.logfile[i].temp;ymin=data[i]<ymin?roundTen(data[i],ROUNDDOWN):ymin;ymax=data[i]>ymax?roundTen(data[i],ROUNDUP):ymax}col="#cc5555";drawGraph("tempChart",data,xmin,xmax,ymin,ymax,col);ymin=presMin;ymax=presMax;for(i=0;i<obj.logfile.length;i+=1){data[i]=obj.logfile[i].pres;ymin=data[i]<ymin?roundTen(data[i],ROUNDDOWN):ymin;ymax=data[i]>ymax?roundTen(data[i],ROUNDUP):ymax}col="#669900";drawGraph("presChart",data,xmin,xmax,ymin,ymax,col);ymin=humyMin;ymax=humyMax;for(i=0;i<obj.logfile.length;i+=1){data[i]=obj.logfile[i].humy;ymin=data[i]<ymin?roundTen(data[i],ROUNDDOWN):ymin;ymax=data[i]>ymax?roundTen(data[i],ROUNDUP):ymax}col="#0099ff";drawGraph("humyChart",data,xmin,xmax,ymin,ymax,col);ymin=sIAQMin;ymax=sIAQMax;for(i=0;i<obj.logfile.length;i+=1){data[i]=obj.logfile[i].IAQ;ymin=data[i]<ymin?roundTen(data[i],ROUNDDOWN):ymin;ymax=data[i]>ymax?roundTen(data[i],ROUNDUP):ymax}col="#b266ff";drawGraph("sIAQChart",data,xmin,xmax,ymin,ymax,col);ymin=CO2Min;ymax=CO2Max;for(i=0;i<obj.logfile.length;i+=1){data[i]=obj.logfile[i].CO2;ymin=data[i]<ymin?roundTen(data[i],ROUNDDOWN):ymin;ymax=data[i]>ymax?roundTen(data[i],ROUNDUP):ymax}col="#aaaa00";drawGraph("CO2Chart",data,xmin,xmax,ymin,ymax,col);ymin=bVOCMin;ymax=bVOCMax;for(i=0;i<obj.logfile.length;i+=1){data[i]=obj.logfile[i].VOC;ymin=data[i]<ymin?roundTen(data[i],ROUNDDOWN):ymin;ymax=data[i]>ymax?roundTen(data[i],ROUNDUP):ymax}col="#cc6600";drawGraph("bVOCChart",data,xmin,xmax,ymin,ymax,col)}function getIAQDesc(sIAQ){"use strict";var desc="Good";if(sIAQ>50){desc="Fair"}if(sIAQ>50){desc="Average"}if(sIAQ>100){desc="Slightly bad"}if(sIAQ>150){desc="Bad"}if(sIAQ>200){desc="Worse"}if(sIAQ>300){desc="Very bad"}return desc}function drawGraph(id,data,xmin,xmax,ymin,ymax,col){"use strict";var SL=1013.25;var XOFFSET=30;var YOFFSET=25;var YTICK=(ymax-ymin)/10;var c=document.getElementById(id);var ctx=c.getContext("2d");var scale=(c.height-YOFFSET)/(ymax-ymin);var xt=10*(c.width-XOFFSET)/data.length;var yt=YTICK*(c.height-YOFFSET)/(ymax-ymin);var i;var ticktime=lInterval/100;var tickunit="secs";if(col==null){col="#000000"}ctx.translate(.5,.5);ctx.clearRect(0,0,c.width,c.height);ctx.beginPath();ctx.moveTo(XOFFSET,0);ctx.lineTo(XOFFSET,c.height-YOFFSET);ctx.lineTo(c.width,c.height-YOFFSET);ctx.strokeStyle=AXISCOL;ctx.stroke();ctx.closePath();if(ticktime>=60){ticktime/=60;tickunit=ticktime==1?"min":"mins"}if(ticktime>=60){ticktime/=60;tickunit=ticktime==1?"hour":"hours"}ctx.fillStyle=col;ctx.font="10px sans-serif";ctx.textAlign="end";ctx.fillText(ymax,XOFFSET-7,10);ctx.fillText(ymin,XOFFSET-7,c.height-YOFFSET+5);ctx.fillStyle=AXISCOL;ctx.textAlign="center";ctx.fillText(xmin,XOFFSET,c.height-5);ctx.fillText("1 tick = "+ticktime+" "+tickunit,(c.width+XOFFSET)/2,c.height-5);ctx.textAlign="end";ctx.fillText(xmax,c.width-2,c.height-5);ctx.beginPath();ctx.strokeStyle=AXISCOL;for(i=c.height-YOFFSET;i>0;i-=yt){ctx.moveTo(XOFFSET-5,i);ctx.lineTo(XOFFSET,i);ctx.stroke()}for(i=XOFFSET;i<c.width;i+=xt){ctx.moveTo(i,c.height-YOFFSET);ctx.lineTo(i,c.height-YOFFSET+3);ctx.stroke()}ctx.closePath();if(c.id==="tempChart"&&ymin<0&&ymax>0){ctx.beginPath();ctx.strokeStyle=DATUMCOL;ctx.moveTo(XOFFSET,c.height-YOFFSET-(0-ymin)*scale);ctx.lineTo(c.width,c.height-YOFFSET-(0-ymin)*scale);ctx.stroke();ctx.closePath()}if(c.id==="presChart"&&ymin<SL&&ymax>SL){ctx.beginPath();ctx.strokeStyle=DATUMCOL;ctx.moveTo(XOFFSET,c.height-YOFFSET-(SL-ymin)*scale);ctx.lineTo(c.width,c.height-YOFFSET-(SL-ymin)*scale);ctx.stroke();ctx.closePath()}ctx.beginPath();ctx.strokeStyle=col;ctx.moveTo(XOFFSET,c.height-YOFFSET-(data[0]-ymin)*scale);for(i=1;i<data.length;i+=1){ctx.lineTo(XOFFSET+i*(c.width-XOFFSET)/data.length,c.height-YOFFSET-(data[i]-ymin)*scale)}ctx.stroke();ctx.closePath();ctx.translate(-.5,-.5)}function start(){"use strict";getConfig();getSensor();getLog()}