2017-06-21 00:00:20 +00:00
|
|
|
<!DOCTYPE html>
|
|
|
|
|
<html>
|
|
|
|
|
<head>
|
|
|
|
|
<link rel="stylesheet" href="dygraph.css">
|
|
|
|
|
<title>Get data INA219</title>
|
2017-10-17 14:42:32 +00:00
|
|
|
<script type="text/javascript" src="dygraph.min.js"></script>
|
2017-06-21 00:00:20 +00:00
|
|
|
|
|
|
|
|
</head>
|
|
|
|
|
<body>
|
2017-10-17 14:42:32 +00:00
|
|
|
<h3 style="width:1000px; text-align: center;">Read regs U & I INA219</h3>
|
|
|
|
|
<div id="div_v" style="width:1000px; height:400px;"></div>
|
2017-06-21 00:00:20 +00:00
|
|
|
<script type="text/javascript">
|
2017-07-01 01:16:36 +00:00
|
|
|
var datau = [];
|
|
|
|
|
//var datai = [];
|
|
|
|
|
var gu = new Dygraph(
|
|
|
|
|
document.getElementById("div_v"),
|
|
|
|
|
datau,
|
2017-06-21 00:00:20 +00:00
|
|
|
{
|
2017-07-01 01:16:36 +00:00
|
|
|
labels: ['X', 'I', 'U'],
|
|
|
|
|
// drawPoints: true,
|
2017-10-18 21:34:22 +00:00
|
|
|
// rollPeriod: 10,
|
2017-07-01 01:16:36 +00:00
|
|
|
// errorBars: true,
|
|
|
|
|
// showRoller: true,
|
|
|
|
|
ylabel: 'I(mA)',
|
2017-10-17 14:42:32 +00:00
|
|
|
y2label: 'U(mV)',
|
2017-07-01 01:16:36 +00:00
|
|
|
series : {
|
|
|
|
|
'U': { axis: 'y2' }
|
|
|
|
|
}
|
2017-12-12 20:34:32 +00:00
|
|
|
// , axes: { y2: {valueRange: [3000, 3500] }}
|
2017-10-17 14:42:32 +00:00
|
|
|
// , axes: { y2: {valueRange: [3000, 3500] }, y: {valueRange: [0, 2] }}
|
2017-07-01 01:16:36 +00:00
|
|
|
});
|
|
|
|
|
|
2017-06-21 00:00:20 +00:00
|
|
|
var oldblkid = 0;
|
|
|
|
|
var rdnextflg = false;
|
|
|
|
|
var cur_idx = 0;
|
2017-07-01 01:16:36 +00:00
|
|
|
var sig = 10;
|
2017-10-17 14:42:32 +00:00
|
|
|
var ttout = 100;
|
2017-12-12 20:34:32 +00:00
|
|
|
var wstt;
|
2017-10-17 14:42:32 +00:00
|
|
|
function wsping() { ws.send('ina219'); wstt = setTimeout(wsping, ttout);};
|
2017-06-21 00:00:20 +00:00
|
|
|
ws = new WebSocket('ws://rtl871x0/web.cgi');
|
|
|
|
|
ws.binaryType = 'arraybuffer';
|
2017-10-17 14:42:32 +00:00
|
|
|
ws.onopen = function(){ws.send('user=rtl871x:supervisor'); ws.send('sys_debug=0'); wstt = setTimeout(wsping, ttout)};
|
2017-06-21 00:00:20 +00:00
|
|
|
ws.onmessage = function (event) {
|
|
|
|
|
if(event.data instanceof ArrayBuffer) {
|
2017-10-17 14:42:32 +00:00
|
|
|
clearTimeout(wstt);
|
2017-06-21 00:00:20 +00:00
|
|
|
var wordarray = new Int16Array(event.data);
|
|
|
|
|
if(wordarray.length > 2) {
|
|
|
|
|
var blksz = wordarray[0];
|
|
|
|
|
if(wordarray.length == blksz*2 + 2) {
|
|
|
|
|
var blkid = wordarray[1] & 0xFFFF;
|
|
|
|
|
if(rdnextflg) {
|
|
|
|
|
cur_idx += (blkid - oldblkid) & 0xFFFF;
|
|
|
|
|
} else rdnextflg = true;
|
|
|
|
|
oldblkid = blkid + blksz;
|
|
|
|
|
for (var i=2; i<wordarray.length; i+=2) {
|
2017-10-17 14:42:32 +00:00
|
|
|
if(cur_idx > 50000 ) datau.shift();
|
|
|
|
|
datau.push([cur_idx, wordarray[i+1]*0.1+0.35, wordarray[i]*0.5 ]);
|
2017-06-21 00:00:20 +00:00
|
|
|
cur_idx++;
|
|
|
|
|
}
|
2017-07-01 01:16:36 +00:00
|
|
|
gu.updateOptions({'file':datau});
|
2017-06-21 00:00:20 +00:00
|
|
|
}
|
|
|
|
|
}
|
2017-10-17 14:42:32 +00:00
|
|
|
wstt = setTimeout(wsping, ttout);
|
2017-06-21 00:00:20 +00:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
</script>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
