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97 lines
3.6 KiB
97 lines
3.6 KiB
7 years ago
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<!--
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FSWebServer - Example Index Page
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Copyright (c) 2015 Hristo Gochkov. All rights reserved.
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This file is part of the ESP8266WebServer library for Arduino environment.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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-->
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-type" content="text/html; charset=utf-8">
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<title>ESP Monitor</title>
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<script type="text/javascript" src="graphs.js"></script>
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<script type="text/javascript">
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var heap,temp,digi;
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var reloadPeriod = 1000;
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var running = false;
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function loadValues(){
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if(!running) return;
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var xh = new XMLHttpRequest();
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xh.onreadystatechange = function(){
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if (xh.readyState == 4){
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if(xh.status == 200) {
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var res = JSON.parse(xh.responseText);
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heap.add(res.heap);
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temp.add(res.analog);
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digi.add(res.gpio);
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if(running) setTimeout(loadValues, reloadPeriod);
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} else running = false;
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}
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};
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xh.open("GET", "/all", true);
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xh.send(null);
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};
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function run(){
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if(!running){
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running = true;
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loadValues();
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}
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}
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function onBodyLoad(){
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var refreshInput = document.getElementById("refresh-rate");
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refreshInput.value = reloadPeriod;
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refreshInput.onchange = function(e){
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var value = parseInt(e.target.value);
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reloadPeriod = (value > 0)?value:0;
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e.target.value = reloadPeriod;
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}
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var stopButton = document.getElementById("stop-button");
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stopButton.onclick = function(e){
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running = false;
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}
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var startButton = document.getElementById("start-button");
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startButton.onclick = function(e){
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run();
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}
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// Example with 10K thermistor
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//function calcThermistor(v) {
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// var t = Math.log(((10230000 / v) - 10000));
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// t = (1/(0.001129148+(0.000234125*t)+(0.0000000876741*t*t*t)))-273.15;
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// return (t>120)?0:Math.round(t*10)/10;
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//}
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//temp = createGraph(document.getElementById("analog"), "Temperature", 100, 128, 10, 40, false, "cyan", calcThermistor);
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temp = createGraph(document.getElementById("analog"), "Analog Input", 100, 128, 0, 1023, false, "cyan");
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heap = createGraph(document.getElementById("heap"), "Current Heap", 100, 125, 0, 30000, true, "orange");
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digi = createDigiGraph(document.getElementById("digital"), "GPIO", 100, 146, [0, 4, 5, 16], "gold");
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run();
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}
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</script>
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</head>
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<body id="index" style="margin:0; padding:0;" onload="onBodyLoad()">
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<div id="controls" style="display: block; border: 1px solid rgb(68, 68, 68); padding: 5px; margin: 5px; width: 362px; background-color: rgb(238, 238, 238);">
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<label>Period (ms):</label>
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<input type="number" id="refresh-rate"/>
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<input type="button" id="start-button" value="Start"/>
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<input type="button" id="stop-button" value="Stop"/>
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</div>
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<div id="heap"></div>
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<div id="analog"></div>
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<div id="digital"></div>
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</body>
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</html>
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