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a950a0769d
90
index.html.h
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90
index.html.h
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const char index_html[] = R"=====(
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<!DOCTYPE html>
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<html lang='en'>
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<head>
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<meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
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<meta name='viewport' content='width=device-width' />
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<title>WS2812FX Ctrl</title>
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<script type='text/javascript' src='main.js'></script>
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<style>
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* {
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font-family:sans-serif;
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margin:0;
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padding:0;
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}
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body {
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width:100%;
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max-width:675px;
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background-color:#202020;
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}
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h1 {
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width:65%;
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margin:25px 0 25px 25%;
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color:#454545;
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text-align:center;
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}
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#colorbar {
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float:left;
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}
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#controls {
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width:65%;
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display:inline-block;
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padding-left:5px;
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}
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ul {
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text-align:center;
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}
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ul#mode li {
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display:block;
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}
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ul#brightness li, ul#speed li {
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display:inline-block;
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width:30%;
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}
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ul li a {
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display:block;
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margin:3px;
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padding:10px 5px;
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border:2px solid #454545;
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border-radius:5px;
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color:#454545;
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font-weight:bold;
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text-decoration:none;
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}
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ul li a.active {
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border:2px solid #909090;
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color:#909090;
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}
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</style>
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</head>
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<body>
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<h1>WS2812FX Control</h1>
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<canvas id='colorbar' width='75' height='1080'></canvas>
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<div id='controls'>
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<ul id='mode'></ul>
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<ul id='brightness'>
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<li><a href='#' class='b' id='-'>☼</a></li>
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<li><a href='#' class='b' id='+'>☀</a></li>
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</ul>
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<ul id='speed'>
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<li><a href='#' class='s' id='-'>−</a></li>
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<li><a href='#' class='s' id='+'>+</a></li>
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</ul>
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</div>
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</body>
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</html>
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)=====";
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119
main.js.h
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119
main.js.h
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const char main_js[] = R"=====(
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window.addEventListener('load', setup);
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window.addEventListener('resize', drawColorbar);
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function handle_M_B_S(e) {
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e.preventDefault();
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var name = e.target.className;
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var val = e.target.id;
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if(e.target.className.indexOf('m') > -1) {
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elems = document.querySelectorAll('#mode li a');
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[].forEach.call(elems, function(el) {
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el.classList.remove('active');
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name = e.target.className;
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});
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e.target.classList.add('active');
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}
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submitVal(name, val);
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}
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function submitVal(name, val) {
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var xhttp = new XMLHttpRequest();
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xhttp.open('GET', 'set?' + name + '=' + val, true);
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xhttp.send();
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}
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function compToHex(c) {
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hex = c.toString(16);
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return hex.length == 1 ? '0' + hex : hex;
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}
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function getMousePos(can, evt) {
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r = can.getBoundingClientRect();
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return {
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x: evt.clientX - r.left,
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y: evt.clientY - r.top
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};
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}
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function Touch(e) {
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e.preventDefault();
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pos = {
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x: Math.round(e.targetTouches[0].pageX),
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y: Math.round(e.targetTouches[0].pageY)
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};
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rgb = ctx.getImageData(pos.x, pos.y, 1, 1).data;
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drawColorbar(rgb);
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submitVal('c', compToHex(rgb[0]) + compToHex(rgb[1]) + compToHex(rgb[2]));
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}
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function Click(e) {
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pos = getMousePos(can, e);
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rgb = ctx.getImageData(pos.x, pos.y, 1, 1).data;
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drawColorbar(rgb);
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submitVal('c', compToHex(rgb[0]) + compToHex(rgb[1]) + compToHex(rgb[2]));
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}
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// Thanks to the backup at http://axonflux.com/handy-rgb-to-hsl-and-rgb-to-hsv-color-model-c
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function rgbToHsl(r, g, b){
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r = r / 255;
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g = g / 255;
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b = b / 255;
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var max = Math.max(r, g, b);
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var min = Math.min(r, g, b);
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var h, s, l = (max + min) / 2;
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if(max == min) {
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h = s = 0;
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} else {
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var d = max - min;
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s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
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switch(max) {
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case r: h = (g - b) / d + (g < b ? 6 : 0); break;
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case g: h = (b - r) / d + 2; break;
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case b: h = (r - g) / d + 4; break;
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}
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h = h / 6;
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}
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return [h, s, l];
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}
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function drawColorbar(rgb = [0, 0, 0]) {
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can = document.getElementById('colorbar');
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ctx = can.getContext('2d');
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can.width = document.body.clientWidth * 0.25;
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var h = can.height / 360;
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var hsl = rgbToHsl(rgb[0], rgb[1], rgb[2]);
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for(var i=0; i<=360; i++) {
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ctx.fillStyle = 'hsl('+i+', 100%, 50%)';
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ctx.fillRect(0, i * h, can.width/2, h);
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ctx.fillStyle = 'hsl(' + hsl[0] * 360 + ', 100%, ' + i * (100/360) + '%)';
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ctx.fillRect(can.width/2, i * h, can.width/2, h);
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}
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}
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function setup(){
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var xhttp = new XMLHttpRequest();
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xhttp.onreadystatechange = function() {
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if (xhttp.readyState == 4 && xhttp.status == 200) {
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document.getElementById('mode').innerHTML = xhttp.responseText;
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elems = document.querySelectorAll('ul li a'); // adds listener also to existing s and b buttons
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[].forEach.call(elems, function(el) {
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el.addEventListener('touchstart', handle_M_B_S, false);
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el.addEventListener('click', handle_M_B_S, false);
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});
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}
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};
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xhttp.open('GET', 'modes', true);
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xhttp.send();
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var can = document.getElementById('colorbar');
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var ctx = can.getContext('2d');
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drawColorbar();
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can.addEventListener('touchstart', Touch, false);
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can.addEventListener('click', Click, false);
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}
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)=====";
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180
neopixel-wifi-control.ino
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180
neopixel-wifi-control.ino
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/*
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WS2812FX Webinterface.
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Harm Aldick - 2016
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www.aldick.org
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FEATURES
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* Webinterface with mode, color, speed and brightness selectors
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LICENSE: The MIT License (MIT)
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Copyright (c) 2016 Harm Aldick
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CHANGELOG
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2016-11-26 initial version
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Tanner Collin:
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2017-09-14 Create Wifi AP to anyone can configure the LEDs.
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Set up captive portal so web interface auto opens.
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Clean up.
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*/
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#include <ESP8266WiFi.h>
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#include <ESP8266WebServer.h>
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#include <WS2812FX.h>
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#include <WiFiClient.h>
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#include <DNSServer.h>
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#include <ESP8266mDNS.h>
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#include "index.html.h"
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#include "main.js.h"
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const char *ssid = "ADD SSID HERE";
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const char *myHostname = "ws2812";
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#define HTTP_PORT 80
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#define DNS_PORT 53
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// QUICKFIX...See https://github.com/esp8266/Arduino/issues/263
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#define min(a,b) ((a)<(b)?(a):(b))
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#define max(a,b) ((a)>(b)?(a):(b))
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#define LED_PIN D7 // 0 = GPIO0, 2=GPIO2
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#define LED_COUNT 80
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#define DEFAULT_COLOR 0xFF5900
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#define DEFAULT_BRIGHTNESS 255
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#define DEFAULT_SPEED 200
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#define DEFAULT_MODE FX_MODE_STATIC
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#define BRIGHTNESS_STEP 15 // in/decrease brightness by this amount per click
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#define SPEED_STEP 10 // in/decrease brightness by this amount per click
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String modes = "";
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WS2812FX ws2812fx = WS2812FX(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);
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ESP8266WebServer server(HTTP_PORT);
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DNSServer dnsServer;
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IPAddress apIP(192, 168, 4, 1);
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IPAddress netMsk(255, 255, 255, 0);
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void setup(){
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Serial.begin(115200);
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Serial.println();
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Serial.println();
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Serial.println("Starting...");
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modes.reserve(5000);
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modes_setup();
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Serial.println("WS2812FX setup");
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ws2812fx.init();
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ws2812fx.setMode(DEFAULT_MODE);
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ws2812fx.setColor(DEFAULT_COLOR);
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ws2812fx.setSpeed(DEFAULT_SPEED);
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ws2812fx.setBrightness(DEFAULT_BRIGHTNESS);
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ws2812fx.start();
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Serial.println("Wifi setup");
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WiFi.softAPConfig(apIP, apIP, netMsk);
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WiFi.softAP(ssid);
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delay(500);
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IPAddress myIP = WiFi.softAPIP();
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Serial.print("AP IP address: ");
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Serial.println(myIP);
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dnsServer.setErrorReplyCode(DNSReplyCode::NoError);
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dnsServer.start(DNS_PORT, "*", apIP);
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Serial.println("HTTP server setup");
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server.on("/", srv_handle_index_html);
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server.on("/main.js", srv_handle_main_js);
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server.on("/modes", srv_handle_modes);
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server.on("/set", srv_handle_set);
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server.on("/generate_204", srv_handle_index_html); //Android captive portal. Maybe not needed. Might be handled by notFound handler.
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server.on("/fwlink", srv_handle_index_html); //Microsoft captive portal. Maybe not needed. Might be handled by notFound handler.
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server.onNotFound(srv_handle_not_found);
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server.begin();
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Serial.println("HTTP server started.");
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Serial.println("ready!");
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}
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void loop() {
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dnsServer.processNextRequest();
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server.handleClient();
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ws2812fx.service();
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}
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/*
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* Build <li> string for all modes.
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*/
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void modes_setup() {
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modes = "";
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for(uint8_t i=0; i < ws2812fx.getModeCount(); i++) {
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modes += "<li><a href='#' class='m' id='";
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modes += i;
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modes += "'>";
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modes += ws2812fx.getModeName(i);
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modes += "</a></li>";
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}
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}
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/* #####################################################
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# Webserver Functions
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##################################################### */
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void srv_handle_not_found() {
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server.send(404, "text/plain", "File Not Found");
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}
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void srv_handle_index_html() {
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server.send_P(200,"text/html", index_html);
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}
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void srv_handle_main_js() {
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server.send_P(200,"application/javascript", main_js);
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}
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void srv_handle_modes() {
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server.send(200,"text/plain", modes);
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}
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void srv_handle_set() {
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for (uint8_t i=0; i < server.args(); i++){
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if(server.argName(i) == "c") {
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uint32_t tmp = (uint32_t) strtol(&server.arg(i)[0], NULL, 16);
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if(tmp >= 0x000000 && tmp <= 0xFFFFFF) {
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ws2812fx.setColor(tmp);
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}
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}
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if(server.argName(i) == "m") {
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uint8_t tmp = (uint8_t) strtol(&server.arg(i)[0], NULL, 10);
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ws2812fx.setMode(tmp % ws2812fx.getModeCount());
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}
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if(server.argName(i) == "b") {
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if(server.arg(i)[0] == '-') {
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ws2812fx.decreaseBrightness(BRIGHTNESS_STEP);
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} else {
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ws2812fx.increaseBrightness(BRIGHTNESS_STEP);
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}
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}
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if(server.argName(i) == "s") {
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if(server.arg(i)[0] == '-') {
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ws2812fx.decreaseSpeed(SPEED_STEP);
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} else {
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ws2812fx.increaseSpeed(SPEED_STEP);
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}
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}
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}
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server.send(200, "text/plain", "OK");
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}
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