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Dashboard.html
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<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Proberequest, TinyMQTT, Websockets, Asyncwebserver, LittleFS Editor & uPlot</title>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/uplot@1.6.7/dist/uPlot.min.css">
<style>
body {margin: 0;}
.u-legend.u-inline .u-value {width: 150px;text-align: left;}
#container { width: 100%; height: 49vh; background-color: #333; display: flex; align-items: center; justify-content: center; overflow: hidden; border-radius: 7px; touch-action: none; }
#item { width: 100px; height: 100px; background-color: rgb(245, 230, 99); border: 10px solid rgba(136, 136, 136, .5); border-radius: 50%; touch-action: none; user-select: none; }
#item:active { background-color: rgba(168, 218, 220, 1.00); }
#item:hover { cursor: pointer; border-width: 20px; }
#area { position: fixed; right: 33.33%; top: 50vh; }
#stream-container{ height: 49vh; padding:0; margin:0; margin-block-start:0; margin-block-end:0; margin-inline-start:0; margin-inline-end:0 }
#stream-container img{ display:block; max-width:100%; min-height:49vh; border-radius:4px; margin-top:8px }
</style>
</head>
<body>
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/uplot@1.6.7/dist/uPlot.iife.min.js"></script>
<h2>Proberequest, TinyMQTT, Websockets, Asyncwebserver, LittleFS Editor & uPlot</h2>
<form action="">
<SELECT class="combine" id ="command" name = "a">
<option></option>
<option>SELECT</option>
<option>Digital Write</option>
<option>Analog Write</option>
<option>Digital Read</option>
<option>Analog Read</option>
<option>Neopixel</option>
<option>Set AP Channel</option>
<option>Set Sleep Time</option>
<option>Set Mode</option>
</SELECT>
<SELECT class="combine" id ="device" name = "b">
<option></option>
<option>Livingroom</option>
<option>Kitchen</option>
<option>Bedroom1</option>
<option>Bedroom2</option>
<option>Bathroom1</option>
<option>Bathroom2</option>
<option>Laundry</option>
<option>Office</option>
</SELECT>
<SELECT class="combine" id ="command1" name = "c" >
<option>00</option>
<option>01</option>
<option>02</option>
<option>03</option>
<option>04</option>
<option>05</option>
<option>06</option>
<option>12</option>
<option>13</option>
<option>14</option>
<option>15</option>
<option>16</option>
<option>26</option>
<option>36</option>
<option>46</option>
<option>56</option>
<option>66</option>
<option>76</option>
<option>86</option>
<option>96</option>
<option>106</option>
<option>116</option>
<option>126</option>
<option>136</option>
<option>146</option>
<option>156</option>
<option>166</option>
<option>176</option>
<option>186</option>
<option>196</option>
<option>206</option>
<option>216</option>
<option>226</option>
<option>236</option>
<option>246</option>
<option>256</option>
</SELECT>
<SELECT class="combine" id ="command2" name = "d">
<option>00</option>
<option>01</option>
<option>02</option>
<option>03</option>
<option>04</option>
<option>05</option>
<option>06</option>
<option>12</option>
<option>13</option>
<option>14</option>
<option>15</option>
<option>16</option>
<option>26</option>
<option>36</option>
<option>46</option>
<option>56</option>
<option>66</option>
<option>76</option>
<option>86</option>
<option>96</option>
<option>106</option>
<option>116</option>
<option>126</option>
<option>136</option>
<option>146</option>
<option>156</option>
<option>166</option>
<option>176</option>
<option>186</option>
<option>196</option>
<option>206</option>
<option>216</option>
<option>226</option>
<option>236</option>
<option>246</option>
<option>256</option>
</SELECT>
<SELECT class="combine" id ="command3" name = "e">
<option>00</option>
<option>01</option>
<option>02</option>
<option>03</option>
<option>04</option>
<option>05</option>
<option>06</option>
<option>12</option>
<option>13</option>
<option>14</option>
<option>15</option>
<option>16</option>
<option>26</option>
<option>36</option>
<option>46</option>
<option>56</option>
<option>66</option>
<option>76</option>
<option>86</option>
<option>96</option>
<option>106</option>
<option>116</option>
<option>126</option>
<option>136</option>
<option>146</option>
<option>156</option>
<option>166</option>
<option>176</option>
<option>186</option>
<option>196</option>
<option>206</option>
<option>216</option>
<option>226</option>
<option>236</option>
<option>246</option>
<option>256</option>
</SELECT>
<SELECT class="combine" id ="command4" name = "f" >
<option>00</option>
<option>01</option>
<option>02</option>
<option>03</option>
<option>04</option>
<option>05</option>
<option>06</option>
<option>12</option>
<option>13</option>
<option>14</option>
<option>15</option>
<option>16</option>
<option>26</option>
<option>36</option>
<option>46</option>
<option>56</option>
<option>66</option>
<option>76</option>
<option>86</option>
<option>96</option>
<option>106</option>
<option>116</option>
<option>126</option>
<option>136</option>
<option>146</option>
<option>156</option>
<option>166</option>
<option>176</option>
<option>186</option>
<option>196</option>
<option>206</option>
<option>216</option>
<option>226</option>
<option>236</option>
<option>246</option>
<option>256</option>
</SELECT>
<SELECT class="combine" id ="column" name = "g">
<option>*</option>
<option>Location</option>
<option>Date</option>
<option>Day</option>
<option>Time</option>
<option>Hour</option>
</SELECT>
<SELECT class="combine" id ="field" name = "h">
<option>Location</option>
<option>Date</option>
<option>Day</option>
<option>Time</option>
<option>Hour</option>
</SELECT>
<SELECT class="combine" id ="operator" name = "i">
<option>=</option>
<option>!=</option>
<option>></option>
<option><</option>
<option><=</option>
<option>>=</option>
<option><></option>
</SELECT>
<br>
<script>
var attachEvent = function(node, event, listener, useCapture) {
// Method for FF, Opera, Chrome, Safari
if ( window.addEventListener ) {
node.addEventListener(event, listener, useCapture || false);
}
// IE has its own method
else {
node.attachEvent('on'+event, listener);
}
};
// Once the window loads and the DOM is ready, attach the event to the main
attachEvent(window, "load", function() {
var select_command = document.getElementById("command");
var selectHandler = function() {
option1 = document.getElementById("device"),
option2 = document.getElementById("command1");
option3 = document.getElementById("command2");
option4 = document.getElementById("command3");
option5 = document.getElementById("command4");
option6 = document.getElementById("column");
option7 = document.getElementById("field");
option8 = document.getElementById("operator");
// Show and hide the appropriate select's
if (this.value == "Neopixel") {
option1.style.display = "";
option2.style.display = "";
option3.style.display = "";
option4.style.display = "";
option5.style.display = "";
option6.style.display = "none";
option7.style.display = "none";
option8.style.display = "none";
} else if (this.value == "Set AP Channel" || this.value == "Set Sleep Time" || this.value == "Set Mode" || this.value == "Digital Read" || this.value == "Analog Read") {
option1.style.display = "";
option2.style.display = "";
option3.style.display = "none";
option4.style.display = "none";
option5.style.display = "none";
option6.style.display = "none";
option7.style.display = "none";
option8.style.display = "none";
} else if (this.value == "Digital Write" || this.value == "Analog Write" || this.value == "SELECT") {
option1.style.display = "";
option2.style.display = "";
option3.style.display = "";
option4.style.display = "none";
option5.style.display = "none";
option6.style.display = "none";
option7.style.display = "none";
option8.style.display = "none";
if (this.value == "SELECT") {
option1.style.display = "none";
option2.style.display = "none";
option3.style.display = "none";
option4.style.display = "none";
option5.style.display = "none";
option6.style.display = "";
option7.style.display = "";
option8.style.display = "";
}
}
};
// Use the onchange and onkeypress events to detect when the
// value of select_command has changed
attachEvent(select_command, "change", selectHandler);
attachEvent(select_command, "keypress", selectHandler);
});
$(document).ready(function(){
$("form").submit(function(){
var sentCommand = document.getElementById('result').value;
ws.send(sentCommand);
//alert("Submitted");
//log('Sending: ' + sentCommand);
});
});
$(document).ready(function(){
$('.combine').on('change', function(){
if ($('#command').val() == "Set AP Channel" || "Set Sleep Time" || "Set Mode" || "Digital Read" || "Analog Read")
{
var payload = $('#command').val() + '/' + $('#device').val() + '/' + $('#command1').val();
}
if ($('#command').val() == "Digital Write")
{
var payload = $('#command').val() + '/' + $('#device').val() + '/' + $('#command1').val() + "/" + $('#command2').val();
}
if ($('#command').val() == "SELECT")
{
var payload = $('#command').val() + " " + $('#column').val() + " FROM test1 WHERE " + $('#field').val() + " " + $('#operator').val() + " 'Enter your choice'";
}
$('#result').val(payload);
});
})
</script>
<br>
<input type="text" id="result" size = "52" name="send" value="" />
<input type="submit" value="Send Command">
</form>
<textarea rows="4" cols="35" id="display" value="" spellcheck="false" readonly="true" style="font-size:16px;line-height: 1em;">
</textarea>
<!--<p><input id="sentMessage" type="text" size="40" value="06/06/">
<button onclick="sendText()">Send Command or SQL</button></p>
<ul id="receivedMessage">Commands & Messages received from server appear below
</ul> -->
<script type='text/javascript'>
if ("WebSocket" in window) {
//var ws = new WebSocket ("ws://192.168.0.9:80/ws");
var ws = new WebSocket ("ws://" + window.location.hostname + ":80/ws");
// ----- send text data -----
function sendText() {
var sentMessage = document.getElementById('sentMessage').value;
//log('Sending: ' + sentMessage);
ws.send(sentMessage);
}
ws.onopen = function () {
/*
// ----- send text data -----
ws.send ("Hello webSocket server, after this text I'm sending 32 16 bit binary integers.");
// ----- send binary data -----
const fibonacciSequence = new Uint16Array (32);
fibonacciSequence [0] = -21;
fibonacciSequence [1] = 13;
for (var i = 2; i < 32; i ++) fibonacciSequence [i] = fibonacciSequence [i - 1] + fibonacciSequence [i - 2];
ws.send (fibonacciSequence);
*/
};
ws.onmessage = function (evt) {
if (typeof(evt.data) === 'string' || evt.data instanceof String) { // UTF-8 formatted string data
// ----- receive text data -----
//log('Received from server ' + evt.data);
//alert ("Got text from server over webSocket: " + evt.data);
display.value += event.data + "\n";
var textarea = document.getElementById('messages');
//data = '['+event.data.replace(/,/g, '],.')+']';
//data = data.replace(/./g, '[');
//console.log(JSON.parse(data)); // See https://stackoverflow.com/questions/54511538/convert-string-into-an-array-of-arrays-in-javascript
//data = evt.data.replace(',',''); // Remove first comma.
data = Function('return [' + evt.data + ']')();
console.log(data);
var title = "Environment data from sensor network";
const opts = {
title: title,
width: 360,
height: 640,
hooks: {
ready: [
u => {
let legend = u.root.querySelector(".u-legend");
legend.addEventListener("contextmenu", e => {
e.preventDefault();
let seriesEl = e.target.closest(".u-series");
let seriesIdx = Array.prototype.slice.call(legend.childNodes).indexOf(seriesEl);
let series = u.series[seriesIdx];
console.log(series.label);
});
}
],
},
scales: {
x: {
time: true,
}
},
series: [
{},
{
label: "Location",
stroke: "purple",
fill: "rgba(0,0,255,0.2)",
},
{
label: "V",
stroke: "olive",
fill: "rgba(0,0,255,0.2)",
},
{
label: "S",
stroke: "orange",
fill: "rgba(0,0,255,0.2)",
},
{
label: "T",
stroke: "blue",
fill: "rgba(0,0,255,0.2)",
},
{
label: "H",
stroke: "red",
fill: "rgba(255,0,0,0.2)",
},
{
label: "P",
stroke: "green",
fill: "rgba(0,0,255,0.2)",
},
{
label: "L",
stroke: "yellow",
fill: "rgba(255,0,0,0.2)",
},
],
};
let u = new uPlot(opts, data, document.body);
}
if (evt.data instanceof Blob) { // binary data
// ----- receive binary data as blob and then convert it into array buffer -----
var myFloat32Array = null;
var myArrayBuffer = null;
var myFileReader = new FileReader ();
myFileReader.onload = function (event) {
myArrayBuffer = event.target.result;
myFloat32Array = new Float32Array (myArrayBuffer); // <= our data is now here, in the array of 32 bit floating point numbers
var myMessage = "Got " + myArrayBuffer.byteLength + " bytes of binary data from server over webSocket\n[example 10]";
for (var i = 0; i < myFloat32Array.length; i++) myMessage += " " + myFloat32Array [i];
//alert (myMessage);
ws.close (); // this is where webSocket connection ends - in our simple "protocol" browser closes the connection but it could be the server as well
};
myFileReader.readAsArrayBuffer (evt.data);
}
};
ws.onclose = function () {
//alert ("WebSocket connection is closed.");
};
} else {
alert ("WebSockets are not supported by your browser.");
}
</script>
<script>
// converts the legend into a simple tooltip
function legendAsTooltipPlugin({ className, style = { backgroundColor:"rgba(255, 249, 196, 0.92)", color: "black" } } = {}) {
let legendEl;
function init(u, opts) {
legendEl = u.root.querySelector(".u-legend");
legendEl.classList.remove("u-inline");
className && legendEl.classList.add(className);
uPlot.assign(legendEl.style, {
textAlign: "left",
pointerEvents: "",
display: "none",
position: "absolute",
left: 0,
top: 0,
zIndex: 100,
boxShadow: "2px 2px 10px rgba(0,0,0,0.5)",
...style
});
// hide series color markers
const idents = legendEl.querySelectorAll(".u-marker");
for (let i = 0; i < idents.length; i++)
idents[i].style.display = "";
const overEl = u.root.querySelector(".u-over");
overEl.style.overflow = "visible";
// move legend into plot bounds
overEl.appendChild(legendEl);
// show/hide tooltip on enter/exit
overEl.addEventListener("mouseenter", () => {legendEl.style.display = null;});
overEl.addEventListener("mouseleave", () => {legendEl.style.display = "none";});
// let tooltip exit plot
// overEl.style.overflow = "visible";
}
function update(u) {
const { left, top } = u.cursor;
legendEl.style.transform = "translate(" + left + "px, " + top + "px)";
}
return {
hooks: {
init: init,
setCursor: update,
}
};
}
function prepData(packed) {
console.time("prep");
// epoch,location,voltage,rssi,temperature,humidity,pressure,light
const numFields = packed[0];
console.log(numFields); //8
packed = packed.slice(numFields + 1);
console.log(packed); //single array array of all sensor data(344)
let data = [
Array(packed.length/numFields), // epoch
Array(packed.length/numFields), // location
Array(packed.length/numFields), // voltage
Array(packed.length/numFields), // rssi
Array(packed.length/numFields), // temp
Array(packed.length/numFields), // humidity
Array(packed.length/numFields), // pressure
Array(packed.length/numFields), // light
//Array(packed.length/numFields), // location
];
console.log(data); // (8)arrays of values by sensor type
for (let i = 0, j = 0; i < packed.length; i += numFields, j++) {
//data[2][j] = round2(100 * packed[i+5] / (packed[i+5] + packed[i+6]));
data[0][j] = packed[i+0];
data[1][j] = packed[i+1];
data[2][j] = packed[i+2];
data[3][j] = packed[i+3];
data[4][j] = packed[i+4];
data[5][j] = packed[i+5];
data[6][j] = packed[i+6] * 4;
data[7][j] = packed[i+7];
}
/*
function filter(d) {
return d.filter((d, i) => Math.round(i/1000) % 5 != 2);
}
data[0] = filter(data[0]);
data[1] = filter(data[1]);
data[2] = filter(data[2]);
data[3] = filter(data[3]);
*/
/*
data[0] = data[0].slice(0, 1000);
data[1] = data[1].slice(0, 1000);
data[2] = data[2].slice(0, 1000);
data[3] = data[3].slice(0, 1000);
data[1][35] = null;
data[1][36] = null;
data[2][730] = null;
*/
console.timeEnd("prep");
return data;
console.log(data);
}
function makeChart(data) {
console.time("chart");
var title = "Environment data from sensor network";
const opts = {
title: title,
width: 640,
height: 480,
// ms: 1,
// cursor: {
// x: false,
// y: false,
// },
series: [
{},
{
label: "Location",
scale: "",
value: (u, v) => v == null ? "-" : v.toFixed(2) + " ",
stroke: "teal",
width: 1/devicePixelRatio,
},
{
label: "Voltage",
scale: "F",
value: (u, v) => v == null ? "-" : v.toFixed(2) + " V",
stroke: "green",
width: 1/devicePixelRatio,
},
{
label: "RSSI",
scale: "F",
value: (u, v) => v == null ? "-" : v.toFixed(2) + "",
stroke: "maroon",
width: 1/devicePixelRatio,
},
{
label: "Temperature",
scale: "F",
value: (u, v) => v == null ? "-" : v.toFixed(2) + " F�",
stroke: "lime",
width: 1/devicePixelRatio,
},
{
label: "Humidity",
scale: "%",
value: (u, v) => v == null ? "-" : v.toFixed(1) + " %",
stroke: "olive",
width: 1/devicePixelRatio,
},
{
label: "Pressure",
scale: "mb",
value: (u, v) => v == null ? "-" : v.toFixed(2) + " mb",
stroke: "blue",
width: 1/devicePixelRatio,
},
{
label: "Light",
scale: "%",
value: (u, v) => v == null ? "-" : v.toFixed(2) + " %",
stroke: "orange",
width: 1/devicePixelRatio,
}
],
plugins: [
legendAsTooltipPlugin()
],
axes: [
{},
{
scale: "",
values: (u, vals, space) => vals.map(v => +v.toFixed(1) + " "),
},
{
side: 1,
scale: "F",
size: 60,
values: (u, vals, space) => vals.map(v => +v.toFixed(2) + ""),
grid: {show: false},
},
],
};
let uplot = new uPlot(opts, data, document.body);
Promise.resolve().then(() => {
console.timeEnd("chart");
});
}
fetch("data.json").then(r => r.json()).then(packed => {
let data = prepData(packed);
setTimeout(() => makeChart(data), 0);
});
</script>
</body>
</html>