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pvvx 2018-03-04 14:05:52 +03:00
parent 1c773d745a
commit 2bc9cc61b3
22 changed files with 1244 additions and 108 deletions
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155
ExampleHTM/dygraph/wso_adcs.htm Normal file
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<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="ina2.css">
<title>Get ADC data</title>
</head>
<body>
<div style="height: auto; width: auto; text-align: center;">
<div id='div_v' style="height:512px;">
<canvas id='scope' width=975 height=512></canvas>
</div>
Window: <span id='wdsize'>?</span> sec, Sample Rate: <span id='smprate'>?</span> smps
<div>
<span id='labdiv'>?</span>
<input type="button" id="butOnOff" value="Stop">
<input type="button" id="butSave" value="Save data.csv"><br>
</div>
</div>
</body>
<script type="text/javascript">
var $ = function(id) {return document.getElementById(id);}
var smprate = 3900; // adc1: 3900 sps, adc2: 1950 sps, adc4: 975 sps, adc8: 487.5 sps
var sttim = 0;
var cur_idx = 0;
var old_idx = 0;
var frend = 0;
function wsSmpRate() {
var idx = cur_idx, tt = new Date().getTime();
var sps = (idx - old_idx) * 1000/ (tt - sttim);
sttim = tt; old_idx = idx;
if(smprate) smprate = smprate * 0.9 + sps * 0.1;
else smprate = sps;
$('smprate').innerHTML = smprate.toFixed(1);
$('wdsize').innerHTML = ($('scope').width/smprate).toFixed(2);
$('labdiv').innerHTML = 'Render ' + frend + ' Hz';
frend = 0;
}
var samples = smprate*3;
var rend = 1;
var oldblkid = 0;
var rdnextflg = false;
$("butOnOff").onclick = function() {
if(rend) {rend = 0; $("butOnOff").value = "Run";}
else {rend = 1; $("butOnOff").value = "Stop";}
}
var data_ch1 = [];
var data_ch2 = [];
var gu;
function wsping() {
clearTimeout(wstt);
ws.send('adc*');
wstt = setTimeout(wsping, 400);
}
var ctx = document.getElementById('scope').getContext('2d');
function draw() {
var width = ctx.canvas.width;
var height = ctx.canvas.height;
var timeData1 = data_ch1;
var timeData2 = data_ch2;
var scaling = height / 65536 / 2;
var risingEdge = 0;
var len = timeData1.length;
ctx.fillStyle = 'rgba(0, 20, 0, 0.1)';
ctx.fillRect(0, 0, width, height);
ctx.lineWidth = 1;
ctx.strokeStyle = 'rgb(0, 255, 0)';
ctx.beginPath();
while (timeData1[486 + risingEdge++] > 32768 && risingEdge <= width);
if (risingEdge >= width) risingEdge = 0;
while (timeData1[486 + risingEdge++] < 32768 && risingEdge <= width);
if (risingEdge >= width) risingEdge = 0;
for (var x = risingEdge; x < timeData1.length && x - risingEdge < width; x++)
ctx.lineTo(x - risingEdge, height - timeData1[x] * scaling);
ctx.moveTo(0,0);
for (var x = risingEdge; x < timeData2.length && x - risingEdge < width; x++)
ctx.lineTo(x - risingEdge, height - 256 - timeData2[x] * scaling);
ctx.stroke();
frend++;
requestAnimationFrame(draw);
}
var wsUri = 'ws://rtl871x1/web.cgi'
//var wsUri = "ws://"+window.location.host.toString()+"/web.cgi";
ws = new WebSocket(wsUri);
ws.binaryType = 'arraybuffer';
ws.onopen = function(){
ws.send('user=rtl871x:supervisor');
ws.send('sys_debug=0');
ws.send('adcz'); // drv deinit
ws.send('adcy'); // mode 2 chls
ws.send('adc1'); // decimation
ws.send('adcd'); // xclk
wstt = setTimeout(wsping,100);};
ws.onmessage = function (event) {
if(event.data instanceof ArrayBuffer) {
clearTimeout(wstt);
var wordarray = new Uint16Array(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;
sttim = new Date().getTime();
setInterval(function(){wsSmpRate()}, 1000);
$('wdsize').innerHTML = 975/smprate;
draw();
}
oldblkid = blkid + blksz;
for (var i=2; i<wordarray.length; i+=2) {
if(rend) {
if(data_ch1.length >= samples) {
data_ch1.shift();
data_ch2.shift();
}
data_ch1.push([wordarray[i]]);
data_ch2.push([wordarray[i+1]]);
}
cur_idx++;
} }
wstt = setTimeout(wsping, 40);
} } }
function convertArrayOfObjectsToCSV(value){
var result, ctr, keys, columnDelimiter, lineDelimiter, data;
data = value.data || null;
if (data == null || !data.length) {return null;}
columnDelimiter = value.columnDelimiter || ';';
lineDelimiter = value.lineDelimiter || '\n';
keys = Object.keys(data[1]);
result = '';
result += keys.join(columnDelimiter);
result += lineDelimiter;
data.forEach(function(item){
ctr = 0;
keys.forEach(function(key){
if (ctr > 0)
result += columnDelimiter;
result += item[key];
ctr++;
});
result += lineDelimiter;
});
return result;
}
$("butSave").onclick = function() {
var csv = convertArrayOfObjectsToCSV({data: datau});
if (!csv.match(/^data:text\/csv/i)) {csv = 'data:text/csv;charset=utf-8,' + csv;}
var encodedUri = encodeURI(csv);
var link = document.createElement('a');
link.setAttribute('href', encodedUri);
link.setAttribute('download',"data.csv");
link.click();
}
</script>
</html>