mirror of
https://github.com/pvvx/RTL00_WEB.git
synced 2024-11-24 23:14:19 +00:00
167 lines
4.9 KiB
HTML
167 lines
4.9 KiB
HTML
<!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=976 height=512></canvas>
|
|
</div>
|
|
Window: <span id='wdsize'>?</span> sec, Sample Rate: <span id='smprate'>?</span> sps
|
|
<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 ctx = $('scope').getContext('2d');
|
|
//===================================
|
|
// | adc1 adc2 adc4 adc8
|
|
//----+------------------------------
|
|
//adca| 12200 6100 3050 1525
|
|
//adcb| 24400 12200 6100 3050
|
|
//adcc| 48800 24400 12200 6100
|
|
//adcd| 97600 48800 24400 12200
|
|
//===================================
|
|
var data_ch1 = [];
|
|
var smprate = 0;
|
|
var smpbuffer = ctx.canvas.width*10;
|
|
zero_level = 10500;
|
|
trigger = 32768-zero_level/2;
|
|
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) * 2000/ (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(3);
|
|
$('labdiv').innerHTML = 'Render ' + frend + ' Hz';
|
|
frend = 0;
|
|
}
|
|
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 gu;
|
|
function wsping() {
|
|
clearTimeout(wstt);
|
|
ws.send('adc*');
|
|
wstt = setTimeout(wsping, 100);
|
|
}
|
|
var scope_height = ctx.canvas.height;
|
|
var scaling = scope_height / (65536 - zero_level);
|
|
function draw() {
|
|
var scope_width = ctx.canvas.width;
|
|
ctx.fillStyle = 'rgba(0, 20, 0, 0.1)';
|
|
ctx.fillRect(0, 0, scope_width, scope_height);
|
|
ctx.lineWidth = 1;
|
|
ctx.beginPath();
|
|
var data_start = scope_width/2;
|
|
var timeData1 = data_ch1.slice();
|
|
var data_max = timeData1.length - scope_width;
|
|
if(scope_width > data_max) scope_width = data_max;
|
|
var risingEdge = data_start;
|
|
while(risingEdge < data_max && timeData1[risingEdge++] < trigger);
|
|
while(risingEdge < data_max && timeData1[risingEdge++] > trigger);
|
|
if(risingEdge >= data_max) {
|
|
risingEdge = data_start;
|
|
ctx.strokeStyle = 'rgb(0, 0, 255)';
|
|
} else ctx.strokeStyle = 'rgb(0, 255, 0)';
|
|
risingEdge -= data_start;
|
|
for(var x = 0; x < scope_width; x++)
|
|
ctx.lineTo(x, scope_height - timeData1[x + risingEdge] * scaling);
|
|
ctx.stroke();
|
|
frend++;
|
|
requestAnimationFrame(draw);
|
|
}
|
|
var wsUri = 'ws://rtl871x0/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('adcx'); // mode Audio
|
|
ws.send('adc1'); // decimation
|
|
ws.send('adcd'); // xclk
|
|
wstt = setTimeout(wsping,50);
|
|
};
|
|
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);
|
|
draw();
|
|
}
|
|
oldblkid = blkid + blksz;
|
|
for (var i=2; i<wordarray.length; i+=2) {
|
|
if(rend) {
|
|
if(data_ch1.length > smpbuffer) {
|
|
data_ch1.shift();
|
|
data_ch1.shift();
|
|
}
|
|
data_ch1.push([wordarray[i]-zero_level]);
|
|
data_ch1.push([wordarray[i+1]-zero_level]);
|
|
}
|
|
cur_idx++;
|
|
} }
|
|
wstt = setTimeout(wsping, 5);
|
|
} } }
|
|
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>
|