mirror of
https://github.com/pvvx/RTL00_WEB.git
synced 2024-12-27 08:15:17 +00:00
52 lines
1.3 KiB
HTML
52 lines
1.3 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<link rel="stylesheet" href="dygraph.css">
|
|
<title>Get data INA219</title>
|
|
<script type="text/javascript" src="dygraph.js"></script>
|
|
|
|
</head>
|
|
<body>
|
|
<h3 style="width:800px; text-align: center;">Read regs U & I INA219</h3>
|
|
<div id="div_g" style="width:800px; height:400px;"></div>
|
|
<script type="text/javascript">
|
|
var data = [];
|
|
var g = new Dygraph(
|
|
document.getElementById("div_g"),
|
|
data,
|
|
{
|
|
drawPoints: true,
|
|
showRoller: true,
|
|
labels: ['X', 'U', 'I']});
|
|
|
|
var oldblkid = 0;
|
|
var rdnextflg = false;
|
|
var cur_idx = 0;
|
|
ws = new WebSocket('ws://rtl871x0/web.cgi');
|
|
ws.binaryType = 'arraybuffer';
|
|
ws.onopen = function(){ws.send('ina219')};
|
|
ws.onmessage = function (event) {
|
|
if(event.data instanceof ArrayBuffer) {
|
|
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) {
|
|
if(cur_idx > 2000 ) data.shift();
|
|
data.push([cur_idx, wordarray[i], wordarray[i+1]*50]);
|
|
cur_idx++;
|
|
}
|
|
g.updateOptions({'file':data});
|
|
}
|
|
}
|
|
ws.send("ina219");
|
|
}
|
|
}
|
|
</script>
|
|
</body>
|
|
</html>
|