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<!doctype html>
<html lang="en" data-theme="dark">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="icon" type="image/svg+xml" href="/favicon.svg" />
<title>WebUSB — webserial-core demo</title>
<link rel="stylesheet" href="./demos/demo-app.css" />
<style>
:root {
--accent: #3b82f6;
--accent-dark: #2563eb;
--accent-glow: rgba(59,130,246,0.12);
--accent-badge: #eff6ff;
}
</style>
</head>
<body>
<!-- ── Topbar ──────────────────────────────────────────── -->
<header class="topbar">
<button class="icon-btn" id="menu-btn" title="Toggle sidebar"><i data-lucide="menu"></i></button>
<a class="topbar-brand" href="/">
<span class="brand-icon"><i data-lucide="usb"></i></span>
<span class="brand-name">webserial-core</span>
<span class="brand-ver">v2</span>
</a>
<span class="provider-pill">WebUSB</span>
<span class="flex-1"></span>
<nav class="topbar-nav">
<a class="nav-item" href="/"><i data-lucide="zap"></i><span class="nav-lbl"> Web Serial</span></a>
<a class="nav-item" href="/ble.html"><i data-lucide="bluetooth"></i><span class="nav-lbl"> Bluetooth</span></a>
<a class="nav-item active" href="/usb.html"><i data-lucide="usb"></i><span class="nav-lbl"> WebUSB</span></a>
<a class="nav-item" href="/ws.html"><i data-lucide="globe"></i><span class="nav-lbl"> WebSocket</span></a>
</nav>
<div class="topbar-actions">
<div class="status-pill">
<div class="status-dot" id="status-dot"></div>
<span id="status-text">Disconnected</span>
</div>
<button class="icon-btn" id="theme-btn" title="Toggle theme">🌙</button>
<button class="icon-btn code-toggle" id="code-toggle-btn" title="Toggle code panel"><i data-lucide="code-2"></i></button>
<button class="btn btn-connect" id="btn-connect">Connect USB</button>
<button class="btn btn-disconnect" id="btn-disconnect" disabled>Disconnect</button>
</div>
</header>
<!-- ── App layout ───────────────────────────────────────── -->
<div class="app-layout">
<!-- ── Sidebar ─────────────────────────────────────────── -->
<aside class="sidebar" id="sidebar">
<div class="sidebar-scroll">
<!-- Info notice -->
<div class="sb-section">
<div class="notice">
Uses <strong>WebUsbProvider</strong> to bypass the native Web Serial API.
Useful on <strong>Android Chrome</strong> where Web Serial is unavailable.
Set the correct Vendor / Product IDs for your hardware.
</div>
</div>
<!-- USB-specific settings -->
<div class="sb-section">
<div class="sb-title">USB Interface Classes</div>
<div class="field-row">
<div class="field">
<label for="cfg-ctrl-class">Control Interface Class</label>
<input type="number" id="cfg-ctrl-class" value="255" min="0" max="255" />
</div>
<div class="field">
<label for="cfg-xfer-class">Transfer Interface Class</label>
<input type="number" id="cfg-xfer-class" value="255" min="0" max="255" />
</div>
</div>
</div>
<!-- Connection settings -->
<div class="sb-section">
<div class="sb-title">Connection</div>
<div class="field">
<label for="cfg-baud">Baud Rate</label>
<select id="cfg-baud">
<option>300</option><option>600</option><option>1200</option>
<option>2400</option><option>4800</option><option value="9600" selected>9600</option>
<option>14400</option><option>19200</option><option>38400</option>
<option>57600</option><option>115200</option><option>230400</option>
<option>250000</option><option>500000</option><option>1000000</option>
</select>
</div>
<div class="field-row">
<div class="field">
<label for="cfg-databits">Data Bits</label>
<select id="cfg-databits">
<option value="7">7</option>
<option value="8" selected>8</option>
</select>
</div>
<div class="field">
<label for="cfg-stopbits">Stop Bits</label>
<select id="cfg-stopbits">
<option value="1" selected>1</option>
<option value="2">2</option>
</select>
</div>
</div>
<div class="field-row">
<div class="field">
<label for="cfg-parity">Parity</label>
<select id="cfg-parity">
<option value="none" selected>None</option>
<option value="even">Even</option>
<option value="odd">Odd</option>
</select>
</div>
<div class="field">
<label for="cfg-flow">Flow Control</label>
<select id="cfg-flow">
<option value="none" selected>None</option>
<option value="hardware">Hardware</option>
</select>
</div>
</div>
<div class="field-row">
<div class="field">
<label for="cfg-bufsize">Buffer Size</label>
<input type="number" id="cfg-bufsize" value="255" min="64" max="65536" />
</div>
<div class="field">
<label for="cfg-timeout">Cmd Timeout (ms)</label>
<input type="number" id="cfg-timeout" value="3000" min="0" />
</div>
</div>
<div class="field-row">
<div class="field">
<label for="cfg-handshake">Handshake (ms)</label>
<input type="number" id="cfg-handshake" value="2000" min="0" />
</div>
<div class="field">
<label for="cfg-reconnect-ms">Reconnect (ms)</label>
<input type="number" id="cfg-reconnect-ms" value="1500" min="500" />
</div>
</div>
<div class="field-toggle">
<label for="cfg-autoreconnect">Auto Reconnect</label>
<label class="sw">
<input type="checkbox" id="cfg-autoreconnect" checked />
<span class="sw-knob"></span>
</label>
</div>
<div class="field-row">
<div class="field">
<label for="cfg-vendor">Vendor ID (hex)</label>
<input type="text" id="cfg-vendor" value="10c4" placeholder="e.g. 10c4" />
</div>
<div class="field">
<label for="cfg-product">Product ID (hex)</label>
<input type="text" id="cfg-product" value="ea60" placeholder="e.g. ea60" />
</div>
</div>
</div>
<!-- Message format -->
<div class="sb-section">
<div class="sb-title">Message Format</div>
<div class="field">
<label for="cfg-delim">Delimiter</label>
<input type="text" id="cfg-delim" value="\n" placeholder="\n \r\n | etc." />
</div>
<div class="field-row">
<div class="field">
<label for="cfg-prepend">Prepend</label>
<input type="text" id="cfg-prepend" value="" placeholder="e.g. STX" />
</div>
<div class="field">
<label for="cfg-append">Append</label>
<input type="text" id="cfg-append" value="\n" placeholder="e.g. \n" />
</div>
</div>
</div>
<!-- Handshake -->
<div class="sb-section">
<div class="sb-title">Handshake on Connect</div>
<div class="notice" style="margin-bottom:6px;">
Sent automatically right after the USB interface is claimed. Leave
<em>Command</em> empty to skip entirely.
</div>
<div class="field-row">
<div class="field">
<label for="cfg-hs-cmd">Command to send</label>
<input type="text" id="cfg-hs-cmd" value=""
placeholder="e.g. PING\n or FF 01 A3" />
</div>
<div class="field" style="flex:0 0 62px">
<label for="cfg-hs-cmd-mode">Mode</label>
<select id="cfg-hs-cmd-mode">
<option value="text" selected>TXT</option>
<option value="hex">HEX</option>
</select>
</div>
</div>
<div class="field-row">
<div class="field">
<label for="cfg-hs-expect">Expected <small>(empty = no check)</small></label>
<input type="text" id="cfg-hs-expect" value=""
placeholder="e.g. PONG or OK" />
</div>
<div class="field" style="flex:0 0 62px">
<label for="cfg-hs-expect-mode">Mode</label>
<select id="cfg-hs-expect-mode">
<option value="text" selected>TXT</option>
<option value="hex">HEX</option>
</select>
</div>
</div>
</div>
<!-- Saved Commands -->
<div class="sb-section">
<div class="sb-title">Saved Commands</div>
<div class="notice" style="margin-bottom:6px;">Pre-defined commands to send. Use <em>HEX</em> for raw bytes.</div>
<div class="field-row">
<div class="field" style="flex:0 0 72px">
<label for="cmd-name">Name</label>
<input type="text" id="cmd-name" placeholder="LED ON" />
</div>
<div class="field">
<label for="cmd-value">Command</label>
<input type="text" id="cmd-value" placeholder="LED_ON\n" />
</div>
<div class="field" style="flex:0 0 62px">
<label for="cmd-mode">Mode</label>
<select id="cmd-mode">
<option value="text" selected>TXT</option>
<option value="hex">HEX</option>
</select>
</div>
</div>
<button class="btn btn-ghost" id="cmd-add" style="width:100%;margin-top:3px;">
<i data-lucide="plus"></i> Add Command
</button>
<div class="chip-list" id="cmd-list"></div>
</div>
<!-- Data Listeners -->
<div class="sb-section">
<div class="sb-title">Data Listeners</div>
<div class="notice" style="margin-bottom:6px;">Patterns for <code>on('serial:data')</code> — skeleton code in download.</div>
<div class="field-row">
<div class="field" style="flex:0 0 64px">
<label for="lst-name">Name</label>
<input type="text" id="lst-name" placeholder="Temp" />
</div>
<div class="field">
<label for="lst-pattern">Pattern</label>
<input type="text" id="lst-pattern" placeholder="TEMP:" />
</div>
<div class="field" style="flex:0 0 62px">
<label for="lst-match">Match</label>
<select id="lst-match">
<option value="exact">exact</option>
<option value="contains" selected>has</option>
<option value="startsWith">starts</option>
<option value="hex">hex</option>
</select>
</div>
</div>
<button class="btn btn-ghost" id="lst-add" style="width:100%;margin-top:3px;">
<i data-lucide="plus"></i> Add Listener
</button>
<div class="chip-list" id="lst-list"></div>
</div>
<!-- Download -->
<div class="sb-section">
<div class="sb-title">Download Code</div>
<div class="field">
<label for="dl-name">Class / File name</label>
<input type="text" id="dl-name" value="MyUsbDevice" placeholder="MyUsbDevice" />
</div>
<div class="dl-lang-row">
<label class="dl-opt"><input type="radio" name="dl-lang" value="ts" checked /> TypeScript</label>
<label class="dl-opt"><input type="radio" name="dl-lang" value="js" /> JavaScript</label>
</div>
<div class="dl-type-row">
<label class="dl-opt"><input type="radio" name="dl-type" value="file" /> Standalone file</label>
<label class="dl-opt"><input type="radio" name="dl-type" value="project" checked /> Full project (ZIP)</label>
</div>
<div class="dl-btns">
<button class="btn btn-dl" id="dl-btn"><i data-lucide="download"></i> Download</button>
<button class="btn btn-ghost" id="cfg-export-btn" title="Export configuration as JSON"><i data-lucide="share"></i> Export config</button>
<label class="btn btn-ghost" title="Import configuration from JSON">
<i data-lucide="upload"></i> Import config
<input type="file" id="cfg-import-input" accept=".json" style="display:none" />
</label>
</div>
</div>
</div><!-- /sidebar-scroll -->
</aside>
<div class="sidebar-resize-handle" id="sidebar-resize-handle"></div>
<!-- ── Chat console ─────────────────────────────────── -->
<main class="console-area">
<div class="console-hdr">
<div class="status-pill">
<div class="status-dot" id="console-dot"></div>
<span id="console-text">Connect a USB device to begin</span>
</div>
<button class="btn btn-ghost" id="clear-btn"
style="margin-left:auto;font-size:0.7rem;padding:4px 10px;">Clear</button>
</div>
<div class="messages" id="messages">
<div class="empty-state">
<div class="empty-icon">🔌</div>
<span>Connect a WebUSB device to begin</span>
</div>
</div>
<div class="input-bar">
<button class="btn btn-mode" id="mode-toggle">TXT</button>
<input class="msg-input" id="input-send" type="text"
placeholder="Type a command, e.g. LED_ON" disabled />
<button class="btn btn-send" id="btn-send" disabled>Send</button>
</div>
</main>
<!-- ── Code panel ────────────────────────────────────── -->
<div class="resize-handle" id="resize-handle"></div>
<aside class="code-panel" id="code-panel">
<div class="cp-hdr">
<div class="cp-title">
<span>Code Preview</span>
<span class="cp-tab" id="code-tab">device.ts</span>
</div>
<div class="cp-actions">
<button class="cp-btn" id="copy-btn">Copy</button>
</div>
</div>
<pre class="code-view" id="code-view"></pre>
</aside>
</div><!-- /app-layout -->
<footer class="app-footer">
© 2025 <a href="https://github.com/danidoble" style="color:inherit;text-decoration:none;">@danidoble</a> · webserial-core v2
</footer>
<script src="https://unpkg.com/lucide@latest/dist/umd/lucide.min.js"></script>
<script>lucide.createIcons();</script>
<script type="module" src="./demos/web-usb/main.ts"></script>
</body>
</html>