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1072 lines
42 KiB
1072 lines
42 KiB
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<!doctype html>
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<meta name="description" content="ESP8266/ESP32 WLAN configuration at run time with web interface">
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<link rel="canonical" href="https://Hieromon.github.io/AutoConnect/acintro.html">
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<meta name="author" content="Hieromon Ikasamo">
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<meta name="generator" content="mkdocs-1.0.4, mkdocs-material-3.3.0">
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<title>Custom Web pages with AutoConnect - AutoConnect for ESP8266/ESP32</title>
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<link rel="stylesheet" href="assets/stylesheets/application.572ca0f0.css">
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<style>body,input{font-family:"Roboto","Helvetica Neue",Helvetica,Arial,sans-serif}code,kbd,pre{font-family:"Roboto Mono","Courier New",Courier,monospace}</style>
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</head>
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<body dir="ltr" data-md-color-primary="indigo" data-md-color-accent="indigo">
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<svg class="md-svg">
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<defs>
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<svg xmlns="http://www.w3.org/2000/svg" width="416" height="448"
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99.5z" />
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</svg>
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</defs>
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</svg>
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<input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
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<input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
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<label class="md-overlay" data-md-component="overlay" for="__drawer"></label>
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<a href="#what-it-is" tabindex="1" class="md-skip">
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Skip to content
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</a>
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<header class="md-header" data-md-component="header">
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<nav class="md-header-nav md-grid">
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<div class="md-flex">
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<div class="md-flex__cell md-flex__cell--shrink">
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<a href="https://Hieromon.github.io/AutoConnect/" title="AutoConnect for ESP8266/ESP32" class="md-header-nav__button md-logo">
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<img src="images/arduino-logo.svg" width="24" height="24">
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</a>
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</div>
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<div class="md-flex__cell md-flex__cell--shrink">
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<label class="md-icon md-icon--menu md-header-nav__button" for="__drawer"></label>
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</div>
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<div class="md-flex__cell md-flex__cell--stretch">
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<div class="md-flex__ellipsis md-header-nav__title" data-md-component="title">
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<span class="md-header-nav__topic">
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AutoConnect for ESP8266/ESP32
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</span>
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<span class="md-header-nav__topic">
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Custom Web pages with AutoConnect
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</span>
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</div>
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</div>
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<div class="md-flex__cell md-flex__cell--shrink">
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<label class="md-icon md-icon--search md-header-nav__button" for="__search"></label>
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<div class="md-search" data-md-component="search" role="dialog">
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<label class="md-search__overlay" for="__search"></label>
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<div class="md-search__inner" role="search">
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<form class="md-search__form" name="search">
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<input type="text" class="md-search__input" name="query" placeholder="Search" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="query" data-md-state="active">
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<label class="md-icon md-search__icon" for="__search"></label>
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<button type="reset" class="md-icon md-search__icon" data-md-component="reset" tabindex="-1">
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
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</button>
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</form>
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<div class="md-search__output">
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<div class="md-search__scrollwrap" data-md-scrollfix>
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<div class="md-search-result" data-md-component="result">
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<div class="md-search-result__meta">
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Type to start searching
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</div>
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<ol class="md-search-result__list"></ol>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="md-flex__cell md-flex__cell--shrink">
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<div class="md-header-nav__source">
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<a href="https://github.com/Hieromon/AutoConnect" title="Go to repository" class="md-source" data-md-source="github">
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<div class="md-source__icon">
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<svg viewBox="0 0 24 24" width="24" height="24">
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<use xlink:href="#__github" width="24" height="24"></use>
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</svg>
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</div>
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<div class="md-source__repository">
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Hieromon/AutoConnect
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</div>
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</a>
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</div>
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</div>
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</div>
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</nav>
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</header>
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<div class="md-container">
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<nav class="md-tabs md-tabs--active" data-md-component="tabs">
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<div class="md-tabs__inner md-grid">
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<ul class="md-tabs__list">
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<li class="md-tabs__item">
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<a href="index.html" title="Overview" class="md-tabs__link">
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Overview
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</a>
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</li>
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<li class="md-tabs__item">
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<a href="acintro.html" title="Custom Web pages" class="md-tabs__link md-tabs__link--active">
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Custom Web pages
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</a>
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</li>
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<li class="md-tabs__item">
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<a href="api.html" title="Library APIs" class="md-tabs__link">
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Library APIs
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</a>
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</li>
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<li class="md-tabs__item">
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<a href="howtoembed.html" title="Examples" class="md-tabs__link">
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Examples
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</a>
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</li>
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</ul>
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</div>
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</nav>
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<main class="md-main">
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<div class="md-main__inner md-grid" data-md-component="container">
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<div class="md-sidebar md-sidebar--primary" data-md-component="navigation">
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<div class="md-sidebar__scrollwrap">
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<div class="md-sidebar__inner">
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<nav class="md-nav md-nav--primary" data-md-level="0">
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<label class="md-nav__title md-nav__title--site" for="__drawer">
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<a href="https://Hieromon.github.io/AutoConnect/" title="AutoConnect for ESP8266/ESP32" class="md-nav__button md-logo">
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<img src="images/arduino-logo.svg" width="48" height="48">
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</a>
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AutoConnect for ESP8266/ESP32
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</label>
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<div class="md-nav__source">
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<a href="https://github.com/Hieromon/AutoConnect" title="Go to repository" class="md-source" data-md-source="github">
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<div class="md-source__icon">
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<svg viewBox="0 0 24 24" width="24" height="24">
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<use xlink:href="#__github" width="24" height="24"></use>
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</svg>
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</div>
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<div class="md-source__repository">
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Hieromon/AutoConnect
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</div>
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</a>
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</div>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="index.html" title="Overview" class="md-nav__link">
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Overview
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</a>
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</li>
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<li class="md-nav__item">
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<a href="gettingstarted.html" title="Getting started" class="md-nav__link">
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Getting started
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</a>
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</li>
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<li class="md-nav__item">
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<a href="menu.html" title="AutoConnect menu" class="md-nav__link">
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AutoConnect menu
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</a>
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</li>
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<li class="md-nav__item">
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<a href="basicusage.html" title="Basic usage" class="md-nav__link">
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Basic usage
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</a>
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</li>
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<li class="md-nav__item">
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<a href="advancedusage.html" title="Advanced usage" class="md-nav__link">
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Advanced usage
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</a>
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</li>
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<li class="md-nav__item md-nav__item--active md-nav__item--nested">
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<input class="md-toggle md-nav__toggle" data-md-toggle="nav-6" type="checkbox" id="nav-6" checked>
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<label class="md-nav__link" for="nav-6">
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Custom Web pages
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</label>
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<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
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<label class="md-nav__title" for="nav-6">
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Custom Web pages
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item md-nav__item--active">
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<input class="md-toggle md-nav__toggle" data-md-toggle="toc" type="checkbox" id="__toc">
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<label class="md-nav__link md-nav__link--active" for="__toc">
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Custom Web pages with AutoConnect
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</label>
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<a href="acintro.html" title="Custom Web pages with AutoConnect" class="md-nav__link md-nav__link--active">
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Custom Web pages with AutoConnect
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</a>
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<nav class="md-nav md-nav--secondary">
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<label class="md-nav__title" for="__toc">Table of contents</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="#what-it-is" title="What it is" class="md-nav__link">
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What it is
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#how-it-works" title="How it works" class="md-nav__link">
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How it works
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#custom-web-pages-in-autoconnect-menu" title="Custom Web pages in AutoConnect menu" class="md-nav__link">
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Custom Web pages in AutoConnect menu
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#multiple-custom-web-pages" title="Multiple custom Web pages" class="md-nav__link">
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Multiple custom Web pages
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#basic-steps-to-use-custom-web-pages" title="Basic steps to use custom Web pages" class="md-nav__link">
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Basic steps to use custom Web pages
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#write-the-custom-web-page-with-json" title="Write the custom Web page with JSON" class="md-nav__link">
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Write the custom Web page with JSON
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="#passing-parameters-with-sketches-and-custom-web-pages" title="Passing parameters with sketches and custom Web pages" class="md-nav__link">
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Passing parameters with sketches and custom Web pages
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
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<a href="acelements.html" title="AutoConnectElements" class="md-nav__link">
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AutoConnectElements
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</a>
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</li>
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<li class="md-nav__item">
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<a href="acjson.html" title="Custom Web pages with JSON" class="md-nav__link">
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Custom Web pages with JSON
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</a>
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</li>
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<li class="md-nav__item">
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<a href="achandling.html" title="Handling the custom Web pages" class="md-nav__link">
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Handling the custom Web pages
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-toggle md-nav__toggle" data-md-toggle="nav-7" type="checkbox" id="nav-7">
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<label class="md-nav__link" for="nav-7">
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Library APIs
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</label>
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<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
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<label class="md-nav__title" for="nav-7">
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Library APIs
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="api.html" title="AutoConnect API" class="md-nav__link">
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AutoConnect API
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</a>
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</li>
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<li class="md-nav__item">
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Custom Web pages in AutoConnect menu
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Multiple custom Web pages
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Write the custom Web page with JSON
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<a href="#passing-parameters-with-sketches-and-custom-web-pages" title="Passing parameters with sketches and custom Web pages" class="md-nav__link">
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Passing parameters with sketches and custom Web pages
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<article class="md-content__inner md-typeset">
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<h1>Custom Web pages with AutoConnect</h1>
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<h2 id="what-it-is">What it is<a class="headerlink" href="#what-it-is" title="Permanent link">¶</a></h2>
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<p><span style="margin-left:20px;margin-bottom:10px;float:right;width:280px;height:497px;"><img data-gifffer="./images/aux_ov.gif" data-gifffer-width="280" data-gifffer-height="497" /></span>
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AutoConnect can handle custom Web pages prepared by user sketches individually. Custom Web pages are displayed in the <a href="menu.html">AutoConnect menu</a> and can be used from there. It can also have input-output parameters and handle it with sketches. For example, you can program some sketches that publish messages by entering the URI or unique ID of the MQTT broker on a custom page. You do not need to code the processing to handle the web page, it retrieves the input parameters and passes to the MQTT broker connection API is only.</p>
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<h2 id="how-it-works">How it works<a class="headerlink" href="#how-it-works" title="Permanent link">¶</a></h2>
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<p>Custom Web pages are dynamically created by AutoConnect. The Classes and APIs necessary for dynamic creation are provided. <a href="apiaux.html#autoconnectaux"><strong>AutoConnectAux</strong></a> is an object dependent on AutoConnect, which provides an easy way to incorporate custom Web pages like the one on the right figure into AutoConnect. The elements that make up a custom web page are provided as an <a href="acelements.html"><strong>AutoConnectElement</strong></a> class. Furthermore, an input box, a check box, a submit button, etc. are implemented by classes derived from AutoConnectElement.
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<p align="center"><img align="center" width="560px" src="./images/ac_objects.svg"></p>
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AutoConnectAux is a container for AutoConnectElements. To make a custom Web page, create elements that make up the page and put it in the AutoConnectAux object. Joining its AutoConnectAux object to AutoConnect will integrate the custom Web page into the AutoConnect menu.</p>
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<p><img src="./images/ac_declaration.svg"></p>
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<p>The above figure shows a code sequence that declares AutoConnectElements and put in the AutoConnectAux container and integrates those into AutoConnect. It declares two text elements named '<em>header</em>'and '<em>caption</em>', adds them to the AutoConnectAux object '<em>aux</em>', binds to an AutoConnect object named '<em>portal</em>'. It's the basic procedure for configuring the custom Web page. Also, further explanation of AutoConnectElements is the <a href="acelements.html">documentation</a>.</p>
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<h2 id="custom-web-pages-in-autoconnect-menu">Custom Web pages in AutoConnect menu<a class="headerlink" href="#custom-web-pages-in-autoconnect-menu" title="Permanent link">¶</a></h2>
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<ul class="horizontal-list">
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<li><img style="margin:0 20px 0 -20px;float:left;width:300px;height:343px;" src="./images/ac_auxmenu.png">
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Custom Web pages as AutoConnectAux are integrated into the <a href="menu.html">AutoConnect menu</a>. AutoConnectAux object contains member variables which are URI and the title. It also has an indicator to show on the AutoConnect menu. You give the title and URI of the custom web page to the AutoConnectAux object with Sketch. Then the title of the custom Web page would be displayed at the bottom of the AutoConnect menu as the left figure.<sup id="fnref:1"><a class="footnote-ref" href="#fn:1" rel="footnote">1</a></sup> It is a hyperlink as URI you given to the custom Web page and taps it will display a page composed of AutoConnectElements. Also, a title will display in the upper left corner of the page, which includes a hyperlink to the AutoConnect statistics screen.</li>
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</ul>
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<h2 id="multiple-custom-web-pages">Multiple custom Web pages<a class="headerlink" href="#multiple-custom-web-pages" title="Permanent link">¶</a></h2>
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<p>You can create multiple custom Web pages and specify which pages you can invoke from the menu.<br>
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In the sketch below, it shows the sequence of codes to integrate three custom Web pages into one and embed them into the menu.</p>
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<p><img align="center" width="520px" src="./images/ac_auxjoin_multi.svg"></p>
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<ul class="horizontal-list">
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<li><p style="margin:0 20px 0 -20px"><span style="margin-left:20px;float:right;width:280px;height:497px;"><img data-gifffer="./images/aux_menu.gif" data-gifffer-width="280" data-gifffer-height="497" /></span>In the above code, the third parameter of '<i>aux2</i>' is <b>false</b>. The third parameter of the AutoConnectAux constructor is an indicator of whether it's shown to the AutoConnect menu. Right animation is the execution result of the above code. You will see that the custom Web page's menu is displayed only in the last two lines. The sketch of this animation is written to transition to '<i>aux2</i>' by the utility of the <a href="acelements.html#autoconnectsubmit"><b>AutoConnectSubmit</b></a> element owned by '<i>aux1</i>'.<sup id="fnref:2"><a class="footnote-ref" href="#fn:2" rel="footnote">2</a></sup><br>An '<i>aux2</i>' page transitions only from the '<i>aux1</i>'. It is a page that saves the parameters you entered on the previous page as shown in mqttRSSI in the library example. It is to want to hide '<i>aux2</i>' from AutoConnect menu lines. The utility of the third parameter of the AutoConnectAux constructor is that.</p></li>
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</ul>
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<h2 id="basic-steps-to-use-custom-web-pages">Basic steps to use custom Web pages<a class="headerlink" href="#basic-steps-to-use-custom-web-pages" title="Permanent link">¶</a></h2>
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<p>So, the basic procedure for handling of the custom Web pages is as follows:</p>
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<ol>
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<li>Create or define AutoConnectAux.</li>
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<li>Create or define <a href="acelements.html">AutoConnectElement(s)</a>.</li>
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<li>Add <a href="acelements.html">AutoConnectElement(s)</a> to AutoConnectAux.</li>
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<li>Create more AutoConnectAux containing <a href="acelements.html">AutoConnectElement(s)</a>, if necessary.</li>
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<li>Register the request handlers for the custom Web pages.</li>
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<li><a href="api.html#join">Join</a> prepared AutoConnectAux(s) to AutoConnect.</li>
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<li>Invoke <a href="api.html#begin">AutoConnect::begin()</a>.</li>
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</ol>
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<h2 id="write-the-custom-web-page-with-json">Write the custom Web page with JSON<a class="headerlink" href="#write-the-custom-web-page-with-json" title="Permanent link">¶</a></h2>
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<p>You can write the custom Web page in JSON without using sketch codes.<sup id="fnref:3"><a class="footnote-ref" href="#fn:3" rel="footnote">3</a></sup> It is possible to describe the entire page in JSON and can be described for each element also. The JSON description can be saved in SPIFFS or SD and read using AutoConnect's <a href="api.html#load"><strong>load</strong></a> function. If you take this approach, you can further reduce the steps of the above but this way consumes a lot of memory.
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The following JSON code and sketch will execute the custom Web page as the example in the above figure. That is, the sketch of this code and footnote<sup id="fnref:2"><a class="footnote-ref" href="#fn:2" rel="footnote">2</a></sup> is equivalent.</p>
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<p><strong>custom_page.json</strong>
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<div class="codehilite" style="background: #272822"><pre style="line-height: 125%"><span></span><span style="color: #f8f8f2">[</span>
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<span style="color: #f8f8f2">{</span>
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<span style="color: #f92672">"title"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"MQTT Setting"</span><span style="color: #f8f8f2">,</span>
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<span style="color: #f92672">"uri"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"/mqtt_setting"</span><span style="color: #f8f8f2">,</span>
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<span style="color: #f92672">"menu"</span><span style="color: #f8f8f2">:</span> <span style="color: #66d9ef">true</span><span style="color: #f8f8f2">,</span>
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<span style="color: #f92672">"element"</span><span style="color: #f8f8f2">:</span> <span style="color: #f8f8f2">[</span>
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<span style="color: #f8f8f2">{</span>
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<span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"header"</span><span style="color: #f8f8f2">,</span>
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<span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACText"</span><span style="color: #f8f8f2">,</span>
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<span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"MQTT broker settings"</span>
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<span style="color: #f8f8f2">},</span>
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<span style="color: #f8f8f2">{</span>
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<span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"caption1"</span><span style="color: #f8f8f2">,</span>
|
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<span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACText"</span><span style="color: #f8f8f2">,</span>
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<span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"Publishing the WiFi..."</span>
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<span style="color: #f8f8f2">},</span>
|
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<span style="color: #f8f8f2">{</span>
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<span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"save"</span><span style="color: #f8f8f2">,</span>
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<span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACSubmit"</span><span style="color: #f8f8f2">,</span>
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<span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"SAVE"</span><span style="color: #f8f8f2">,</span>
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<span style="color: #f92672">"uri"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"/mqtt_save"</span>
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<span style="color: #f8f8f2">}</span>
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<span style="color: #f8f8f2">]</span>
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<span style="color: #f8f8f2">},</span>
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<span style="color: #f8f8f2">{</span>
|
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<span style="color: #f92672">"title"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"MQTT Setting"</span><span style="color: #f8f8f2">,</span>
|
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<span style="color: #f92672">"uri"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"/mqtt_save"</span><span style="color: #f8f8f2">,</span>
|
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<span style="color: #f92672">"menu"</span><span style="color: #f8f8f2">:</span> <span style="color: #66d9ef">false</span><span style="color: #f8f8f2">,</span>
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<span style="color: #f92672">"element"</span><span style="color: #f8f8f2">:</span> <span style="color: #f8f8f2">[</span>
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<span style="color: #f8f8f2">{</span>
|
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<span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"caption2"</span><span style="color: #f8f8f2">,</span>
|
|
<span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACText"</span><span style="color: #f8f8f2">,</span>
|
|
<span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"Save parameters"</span>
|
|
<span style="color: #f8f8f2">},</span>
|
|
<span style="color: #f8f8f2">{</span>
|
|
<span style="color: #f92672">"name"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"start"</span><span style="color: #f8f8f2">,</span>
|
|
<span style="color: #f92672">"type"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"ACSubmit"</span><span style="color: #f8f8f2">,</span>
|
|
<span style="color: #f92672">"value"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"START"</span><span style="color: #f8f8f2">,</span>
|
|
<span style="color: #f92672">"uri"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"/mqtt_start"</span>
|
|
<span style="color: #f8f8f2">}</span>
|
|
<span style="color: #f8f8f2">]</span>
|
|
<span style="color: #f8f8f2">},</span>
|
|
<span style="color: #f8f8f2">{</span>
|
|
<span style="color: #f92672">"title"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"MQTT Start"</span><span style="color: #f8f8f2">,</span>
|
|
<span style="color: #f92672">"uri"</span><span style="color: #f8f8f2">:</span> <span style="color: #e6db74">"/mqtt_start"</span><span style="color: #f8f8f2">,</span>
|
|
<span style="color: #f92672">"menu"</span><span style="color: #f8f8f2">:</span> <span style="color: #66d9ef">true</span><span style="color: #f8f8f2">,</span>
|
|
<span style="color: #f92672">"element"</span><span style="color: #f8f8f2">:</span> <span style="color: #f8f8f2">[]</span>
|
|
<span style="color: #f8f8f2">}</span>
|
|
<span style="color: #f8f8f2">]</span>
|
|
</pre></div></p>
|
|
<p><strong>The sketch</strong>
|
|
<div class="codehilite" style="background: #272822"><pre style="line-height: 125%"><span></span><span style="color: #75715e">#include</span> <span style="color: #75715e"><ESP8266WiFi.h></span>
|
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<span style="color: #75715e">#include</span> <span style="color: #75715e"><ESP8266WebServer.h></span>
|
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<span style="color: #75715e">#include</span> <span style="color: #75715e"><FS.h></span>
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<span style="color: #75715e">#include</span> <span style="color: #75715e"><AutoConnect.h></span>
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<span style="color: #f8f8f2">AutoConnect</span> <span style="color: #f8f8f2">portal;</span>
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<span style="color: #66d9ef">void</span> <span style="color: #a6e22e">setup</span><span style="color: #f8f8f2">()</span> <span style="color: #f8f8f2">{</span>
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<span style="color: #f8f8f2">SPIFFS.begin();</span>
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<span style="background-color: #49483e"> <span style="color: #f8f8f2">File</span> <span style="color: #f8f8f2">page</span> <span style="color: #f92672">=</span> <span style="color: #f8f8f2">SPIFFS.open(</span><span style="color: #e6db74">"/custom_page.json"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"r"</span><span style="color: #f8f8f2">);</span>
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</span><span style="background-color: #49483e"> <span style="color: #f8f8f2">portal.load(page);</span>
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</span>
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<span style="color: #f8f8f2">page.close();</span>
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<span style="color: #f8f8f2">SPIFFS.end();</span>
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<span style="color: #f8f8f2">portal.begin();</span>
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<span style="color: #f8f8f2">}</span>
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<span style="color: #66d9ef">void</span> <span style="color: #a6e22e">loop</span><span style="color: #f8f8f2">()</span> <span style="color: #f8f8f2">{</span>
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<span style="color: #f8f8f2">portal.handleClient();</span>
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<span style="color: #f8f8f2">}</span>
|
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</pre></div></p>
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|
<h2 id="passing-parameters-with-sketches-and-custom-web-pages">Passing parameters with sketches and custom Web pages<a class="headerlink" href="#passing-parameters-with-sketches-and-custom-web-pages" title="Permanent link">¶</a></h2>
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<p>A sketch can access variables of <a href="acelements.html">AutoConnectElements</a> in the custom Web page. The value entered into the AutoConnectElements on the page is stored to the <a href="acelements.html#form-and-autoconnectelements">member variables</a> of the element by AutoConnect whenever GET / POST transmission occurs. Your sketches can get these values with the GET / POST request handler. If you assign a value to an element before a request to the page occurs, its value will appear as the initial value when the page is displayed. Details are explained in the <a href="achandling.html#parameter-handling">Parameter handling</a>.</p>
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<script>
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window.onload = function() {
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Gifffer();
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};
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</script>
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<div class="footnote">
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<hr />
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<ol>
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<li id="fn:1">
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<p>There is no overlay in the actual menu. <a class="footnote-backref" href="#fnref:1" rev="footnote" title="Jump back to footnote 1 in the text">↩</a></p>
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</li>
|
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<li id="fn:2">
|
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<p>The sketch is actually this:
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<div class="codehilite" style="background: #272822"><pre style="line-height: 125%"><span></span><span style="color: #75715e">#include</span> <span style="color: #75715e"><ESP8266WiFi.h></span>
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<span style="color: #75715e">#include</span> <span style="color: #75715e"><ESP8266WebServer.h></span>
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<span style="color: #75715e">#include</span> <span style="color: #75715e"><AutoConnect.h></span>
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<span style="color: #f8f8f2">AutoConnect</span> <span style="color: #f8f8f2">portal;</span>
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<span style="color: #f8f8f2">ACText(header,</span> <span style="color: #e6db74">"MQTT broker settings"</span><span style="color: #f8f8f2">);</span>
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<span style="color: #f8f8f2">ACText(caption1,</span> <span style="color: #e6db74">"Publishing the WiFi..."</span><span style="color: #f8f8f2">);</span>
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<span style="color: #f8f8f2">ACSubmit(save,</span> <span style="color: #e6db74">"SAVE"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"/mqtt_save"</span><span style="color: #f8f8f2">);</span>
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<span style="color: #f8f8f2">AutoConnectAux</span> <span style="color: #a6e22e">aux1</span><span style="color: #f8f8f2">(</span><span style="color: #e6db74">"/mqtt_setting"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"MQTT Setting"</span><span style="color: #f8f8f2">,</span> <span style="color: #f8f8f2">{</span> <span style="color: #f8f8f2">header,</span> <span style="color: #f8f8f2">caption1,</span> <span style="color: #f8f8f2">save</span> <span style="color: #f8f8f2">});</span>
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<span style="color: #f8f8f2">ACText(caption2,</span> <span style="color: #e6db74">"Save parameters"</span><span style="color: #f8f8f2">);</span>
|
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<span style="color: #f8f8f2">ACSubmit(start,</span> <span style="color: #e6db74">"START"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"/mqtt_start"</span><span style="color: #f8f8f2">);</span>
|
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<span style="color: #f8f8f2">AutoConnectAux</span> <span style="color: #a6e22e">aux2</span><span style="color: #f8f8f2">(</span><span style="color: #e6db74">"/mqtt_save"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"MQTT Setting"</span><span style="color: #f8f8f2">,</span> <span style="color: #f8f8f2">false,</span> <span style="color: #f8f8f2">{</span> <span style="color: #f8f8f2">caption2,</span> <span style="color: #f8f8f2">start</span> <span style="color: #f8f8f2">});</span>
|
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<span style="color: #f8f8f2">AutoConnectAux</span> <span style="color: #a6e22e">aux3</span><span style="color: #f8f8f2">(</span><span style="color: #e6db74">"/mqtt_start"</span><span style="color: #f8f8f2">,</span> <span style="color: #e6db74">"MQTT Start"</span><span style="color: #f8f8f2">);</span>
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|
|
<span style="color: #66d9ef">void</span> <span style="color: #a6e22e">setup</span><span style="color: #f8f8f2">()</span> <span style="color: #f8f8f2">{</span>
|
|
<span style="color: #f8f8f2">portal.join({</span> <span style="color: #f8f8f2">aux1,</span> <span style="color: #f8f8f2">aux2,</span> <span style="color: #f8f8f2">aux3</span> <span style="color: #f8f8f2">});</span>
|
|
<span style="color: #f8f8f2">portal.begin();</span>
|
|
<span style="color: #f8f8f2">}</span>
|
|
|
|
<span style="color: #66d9ef">void</span> <span style="color: #a6e22e">loop</span><span style="color: #f8f8f2">()</span> <span style="color: #f8f8f2">{</span>
|
|
<span style="color: #f8f8f2">portal.handleClient();</span>
|
|
<span style="color: #f8f8f2">}</span>
|
|
</pre></div> <a class="footnote-backref" href="#fnref:2" rev="footnote" title="Jump back to footnote 2 in the text">↩</a></p>
|
|
</li>
|
|
<li id="fn:3">
|
|
<p>Installation of the <a href="https://github.com/bblanchon/ArduinoJson">ArduinoJson</a> as the latest release of version 5 series is required. <a class="footnote-backref" href="#fnref:3" rev="footnote" title="Jump back to footnote 3 in the text">↩</a></p>
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</li>
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