2017-07-01 08:17:15 +00:00
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<!DOCTYPE html>
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<html>
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<head>
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2017-12-12 20:34:32 +00:00
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<link rel="stylesheet" href="ina2.css">
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2017-07-01 08:17:15 +00:00
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<title>Get data INA219</title>
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2017-12-12 20:34:32 +00:00
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<script type="text/javascript" src="dygraph.js"></script>
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2017-07-01 08:17:15 +00:00
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</head>
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<body>
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2017-12-12 20:34:32 +00:00
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<div style="width:1000px; height:500px;">
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<div id="div_v" style="width:100%; height:400px;"></div>
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<p style="text-align: center;">
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<input type="button" id="butOnOff" value="Stop">
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<input type="radio" name='rm1' id="FixEnd"/>
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<label for="FixEnd">Fixed</label>
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<input type="radio" checked name='rm1' id="FixNone"/>
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<label for="FixNone">Float</label><br>
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Window: <span id='wdsize'>?</span> sec<br>
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Sample Rate: <span id='smprate'>?</span> smps
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</p>
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<div id='labdiv' style="text-align: center;"></div>
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</div>
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2017-07-01 08:17:15 +00:00
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2017-12-12 20:34:32 +00:00
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<script type="text/javascript">
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var $ = function(id) {
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return document.getElementById(id);
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}
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var stg = 0;
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var smprate = 1819;
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var smps = smprate;
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var samples = 10*smprate;
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var rend = 1;
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2017-07-01 08:17:15 +00:00
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var oldblkid = 0;
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var rdnextflg = false;
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var cur_idx = 0;
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2017-12-12 20:34:32 +00:00
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var sttim = 0;
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$("butOnOff").onclick = function() {
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if(rend) {
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rend = 0;
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$("butOnOff").value = "Run";
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} else {
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rend = 1;
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$("butOnOff").value = "Stop";
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}
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}
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var datau = [];
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var gu;
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//window.onresize= function(){// alert('<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> div #Test <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.');}
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function wsping() {
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clearTimeout(wstt);
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ws.send('ina219');
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wstt = setTimeout(wsping, 500);
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}
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2017-07-01 08:17:15 +00:00
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ws = new WebSocket('ws://rtl871x0/web.cgi');
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ws.binaryType = 'arraybuffer';
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2017-10-17 14:42:32 +00:00
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ws.onopen = function(){ ws.send('user=rtl871x:supervisor'); ws.send('sys_debug=0'); wstt = setTimeout(wsping, 50);};
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2017-07-01 08:17:15 +00:00
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ws.onmessage = function (event) {
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if(event.data instanceof ArrayBuffer) {
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2017-10-17 14:42:32 +00:00
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clearTimeout(wstt);
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2017-07-01 08:17:15 +00:00
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var wordarray = new Int16Array(event.data);
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if(wordarray.length > 2) {
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var blksz = wordarray[0];
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if(wordarray.length == blksz*2 + 2) {
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2017-12-12 20:34:32 +00:00
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if(!sttim) {
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sttim = new Date().getTime();
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setInterval(function(){wsSmpRate()}, 500);
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} else {
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var blkid = wordarray[1] & 0xFFFF;
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if(rdnextflg) {
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cur_idx += (blkid - oldblkid) & 0xFFFF;
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} else rdnextflg = true;
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oldblkid = blkid + blksz;
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for (var i=2; i<wordarray.length; i+=2) {
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if(rend) {
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if(cur_idx >= samples ) datau.shift();
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if(wordarray[i] & 2) datau.push([cur_idx/smprate, wordarray[i]*0.0005, wordarray[i+1]*0.1]);
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else datau.push([cur_idx/smprate]);
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}
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cur_idx++;
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}
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if(!stg) {
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gu = new Dygraph(
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$("div_v"),
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datau,
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{
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title: 'U & I (INA219)',
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// rightGap: 250,
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showRangeSelector: true,
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// drawPoints: true,
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// rollPeriod: 10,
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// errorBars: true,
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// fillGraph: true,
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showRoller: true,
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// maxNumberWidth: 10,
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// digitsAfterDecimal: 3,
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xlabel: 'T(sec)',
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ylabel: 'U(V)',
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y2label: 'I(mA)',
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colors: ['rgb(51,204,204)','rgb(255,100,100)'],
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// highlightSeriesOpts: { strokeWidth: 2 },
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series : { 'I': { axis: 'y2' } },
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axes: {
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x: {valueFormatter: function(x){return this.getLabels()[0] + ': '+ x.toPrecision(3);}},
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y: {valueRange: [0,]},
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y2: {valueRange: [0,]}},
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labels: ['T', 'U', 'I'],
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labelsDiv: $('labdiv'),
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legend: 'always', // "follow"
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// legendFormatter: legendFormatter
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});
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setInterval(function(){renderChart()}, 50);
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stg = 1;
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}
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} }
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wstt = setTimeout(wsping, 40);
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} } }
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function wsSmpRate() {
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smps = cur_idx * 1000/ (new Date().getTime() - sttim);
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$('smprate').innerHTML = smps.toFixed(1);
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}
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var renderChart = function() {
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// $('div_v').style.height = (window.innerHeight-180) + 'px';
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var dl;
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if (gu.dateWindow_) {
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dl = gu.dateWindow_[1] - gu.dateWindow_[0];
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if ($("FixEnd").checked) {
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var ls = datau.length - 1;
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gu.dateWindow_[1] = datau[ls][0];
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gu.dateWindow_[0] = datau[ls][0] - dl;
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} else if (gu.dateWindow_[0] < datau[0][0]) {
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gu.dateWindow_[0] = datau[0][0];
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gu.dateWindow_[1] = datau[0][0] + dl;
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}
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} else dl = datau.length/smprate;
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$("wdsize").innerHTML = dl.toFixed(3);
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if(rend) gu.updateOptions({'file': datau});
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2017-07-01 08:17:15 +00:00
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}
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</script>
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</body>
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</html>
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