ESP32APRS_Audio_HARC/tools/flash.html at master · RocketManRC/ESP32APRS_Audio_HARC · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>ESP32APRS Audio HARC Firmware Flasher</title>
<style>
  * { box-sizing: border-box; margin: 0; padding: 0; }
  body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: #1a1a1a; color: #e0e0e0;
    display: flex; justify-content: center; align-items: center;
    min-height: 100vh; padding: 20px;
  }
  .container {
    background: #2a2a2a; border-radius: 12px; padding: 32px;
    max-width: 520px; width: 100%; box-shadow: 0 4px 24px rgba(0,0,0,0.4);
  }
  h1 { font-size: 20px; margin-bottom: 4px; }
  .subtitle { color: #888; font-size: 13px; margin-bottom: 24px; }
  .section { margin-bottom: 20px; }
  label { display: block; font-size: 13px; color: #aaa; margin-bottom: 6px; }
  select, input[type="file"] {
    width: 100%; padding: 8px 12px; border-radius: 6px;
    border: 1px solid #444; background: #333; color: #e0e0e0;
    font-size: 14px; cursor: pointer;
  }
  select:hover, input[type="file"]:hover { border-color: #666; }
  .file-info { font-size: 12px; color: #888; margin-top: 4px; }
  .btn {
    width: 100%; padding: 12px; border: none; border-radius: 8px;
    font-size: 15px; font-weight: 600; cursor: pointer;
    transition: all 0.2s;
  }
  .btn-connect { background: #2563eb; color: white; }
  .btn-connect:hover { background: #1d4ed8; }
  .btn-flash { background: #16a34a; color: white; }
  .btn-flash:hover { background: #15803d; }
  .btn-disconnect { background: #666; color: white; }
  .btn-disconnect:hover { background: #555; }
  .btn:disabled { opacity: 0.4; cursor: not-allowed; }
  .btn + .btn { margin-top: 8px; }
  .progress-wrap {
    background: #333; border-radius: 6px; height: 24px;
    overflow: hidden; margin: 12px 0;
    display: none;
  }
  .progress-bar {
    height: 100%; background: #16a34a; border-radius: 6px;
    transition: width 0.3s; width: 0%;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 600; min-width: 40px;
  }
  .console {
    background: #111; border-radius: 6px; padding: 10px;
    font-family: 'SF Mono', 'Menlo', monospace; font-size: 12px;
    height: 200px; overflow-y: auto; line-height: 1.5;
    border: 1px solid #333;
  }
  .console .info { color: #60a5fa; }
  .console .success { color: #4ade80; }
  .console .error { color: #f87171; }
  .console .warn { color: #fbbf24; }
  .chip-info {
    background: #333; border-radius: 6px; padding: 10px;
    font-size: 13px; margin-bottom: 16px; display: none;
  }
  .chip-info span { color: #4ade80; }
  .status {
    text-align: center; font-size: 13px; color: #888;
    margin-top: 12px;
  }
  .status.connected { color: #4ade80; }
  .status.flashing { color: #fbbf24; }
  .status.error { color: #f87171; }
  .warning {
    background: #442; border: 1px solid #664; border-radius: 6px;
    padding: 10px; font-size: 12px; color: #fbbf24; margin-bottom: 16px;
  }
</style>
</head>
<body>
<div class="container">
  <h1>ESP32APRS Audio HARC Firmware Flasher</h1>
  <p class="subtitle">Flash firmware to ESP32-S3 via USB &mdash; requires Chrome or Edge</p>

  <div class="warning" id="browserWarning" style="display:none">
    WebSerial is not supported in this browser. Please use Chrome or Edge.
  </div>

  <div class="section">
    <label>Baud Rate</label>
    <select id="baudRate">
      <option value="115200">115200</option>
      <option value="230400">230400</option>
      <option value="460800" selected>460800</option>
      <option value="921600">921600</option>
    </select>
  </div>

  <div class="section">
    <label>Firmware File (.bin)</label>
    <input type="file" id="firmwareFile" accept=".bin">
    <div class="file-info" id="fileInfo">Select a merged firmware .bin file or individual firmware.bin</div>
  </div>

  <div class="section">
    <label>Flash Address</label>
    <select id="flashAddr">
      <option value="0x0">0x0 (merged image)</option>
      <option value="0x10000">0x10000 (firmware only)</option>
    </select>
  </div>

  <div class="chip-info" id="chipInfo">
    Chip: <span id="chipName">—</span> &nbsp;|&nbsp;
    MAC: <span id="chipMAC">—</span>
  </div>

  <button class="btn btn-connect" id="connectBtn" onclick="doConnect()">Connect</button>
  <button class="btn btn-flash" id="flashBtn" onclick="doFlash()" disabled>Flash Firmware</button>
  <button class="btn btn-disconnect" id="disconnectBtn" onclick="doDisconnect()" style="display:none">Disconnect</button>

  <div class="progress-wrap" id="progressWrap">
    <div class="progress-bar" id="progressBar">0%</div>
  </div>

  <div class="status" id="status">Not connected</div>

  <div class="section" style="margin-top: 16px">
    <label>Console</label>
    <div class="console" id="console"></div>
  </div>
</div>

<script type="module">
  // esptool-js imports
  import { ESPLoader, Transport } from 'https://cdn.jsdelivr.net/npm/esptool-js@0.5.7/bundle.js';

  let transport = null;
  let loader = null;
  let connected = false;

  // Check WebSerial support
  if (!('serial' in navigator)) {
    document.getElementById('browserWarning').style.display = 'block';
    document.getElementById('connectBtn').disabled = true;
  }

  // Console logging
  const consoleEl = document.getElementById('console');
  function log(msg, cls = 'info') {
    const line = document.createElement('div');
    line.className = cls;
    line.textContent = msg;
    consoleEl.appendChild(line);
    consoleEl.scrollTop = consoleEl.scrollHeight;
  }

  // Terminal interface for ESPLoader
  const espTerminal = {
    clean() { consoleEl.innerHTML = ''; },
    writeLine(data) { log(data); },
    write(data) {
      // Filter out noisy raw data
      const s = data.toString().trim();
      if (s && !s.startsWith('\r') && !s.startsWith('\n')) {
        log(s);
      }
    }
  };

  function setStatus(msg, cls = '') {
    const el = document.getElementById('status');
    el.textContent = msg;
    el.className = 'status ' + cls;
  }

  function setProgress(pct) {
    const bar = document.getElementById('progressBar');
    bar.style.width = pct + '%';
    bar.textContent = Math.round(pct) + '%';
  }

  // File info display
  document.getElementById('firmwareFile').addEventListener('change', (e) => {
    const file = e.target.files[0];
    if (file) {
      const sizeKB = (file.size / 1024).toFixed(1);
      document.getElementById('fileInfo').textContent = `${file.name} (${sizeKB} KB)`;
      updateFlashButton();
    }
  });

  function updateFlashButton() {
    const hasFile = document.getElementById('firmwareFile').files.length > 0;
    document.getElementById('flashBtn').disabled = !(connected && hasFile);
  }

  // Connect
  window.doConnect = async function() {
    try {
      const port = await navigator.serial.requestPort();
      transport = new Transport(port, true);

      const baudRate = parseInt(document.getElementById('baudRate').value);
      log(`Connecting at ${baudRate} baud...`);
      setStatus('Connecting...', 'flashing');

      loader = new ESPLoader({
        transport: transport,
        baudrate: baudRate,
        terminal: espTerminal,
        romBaudrate: 115200
      });

      const chip = await loader.main();
      log(`Connected: ${chip}`, 'success');

      // Read flash ID
      await loader.flashId();

      // Extract chip name and MAC from loader
      const chipName = chip || 'ESP32-S3';
      let macAddr = '—';
      try { macAddr = loader.macAddr(); } catch(e) {
        // MAC already printed in console by loader.main()
      }

      document.getElementById('chipName').textContent = chipName;
      document.getElementById('chipMAC').textContent = macAddr;
      document.getElementById('chipInfo').style.display = 'block';

      connected = true;
      document.getElementById('connectBtn').style.display = 'none';
      document.getElementById('disconnectBtn').style.display = 'block';
      setStatus('Connected to ' + chipName, 'connected');
      updateFlashButton();

    } catch (err) {
      log('Connection failed: ' + err.message, 'error');
      setStatus('Connection failed', 'error');
      connected = false;
    }
  };

  // Flash
  window.doFlash = async function() {
    const fileInput = document.getElementById('firmwareFile');
    if (!fileInput.files.length) { log('No file selected', 'error'); return; }
    if (!loader) { log('Not connected', 'error'); return; }

    const file = fileInput.files[0];
    const arrayBuf = await file.arrayBuffer();
    const bytes = new Uint8Array(arrayBuf);
    // esptool-js expects a binary string, not Uint8Array
    let data = '';
    for (let i = 0; i < bytes.length; i++) { data += String.fromCharCode(bytes[i]); }
    const addr = parseInt(document.getElementById('flashAddr').value);

    document.getElementById('flashBtn').disabled = true;
    document.getElementById('progressWrap').style.display = 'block';
    setProgress(0);

    log(`Flashing ${file.name} (${data.length} bytes) to 0x${addr.toString(16)}...`);
    setStatus('Erasing flash...', 'flashing');

    try {
      await loader.writeFlash({
        fileArray: [{ data: data, address: addr }],
        flashSize: 'keep',
        flashMode: 'dio',
        flashFreq: '80m',
        eraseAll: false,
        compress: true,
        reportProgress: (fileIndex, written, total) => {
          const pct = (written / total) * 100;
          setProgress(pct);
          if (written === total) {
            setStatus('Verifying...', 'flashing');
          } else {
            setStatus(`Flashing: ${Math.round(pct)}%`, 'flashing');
          }
        }
      });

      setProgress(100);
      log('Flash complete!', 'success');
      setStatus('Flash complete! Resetting...', 'connected');

      // Hard reset to run new firmware
      try {
        await loader.hardReset();
        log('Device reset — running new firmware', 'success');
      } catch (e) {
        log('Auto-reset failed — please manually reset the device', 'warn');
      }

    } catch (err) {
      log('Flash failed: ' + err.message, 'error');
      setStatus('Flash failed', 'error');
    }

    document.getElementById('flashBtn').disabled = false;
  };

  // Disconnect
  window.doDisconnect = async function() {
    try {
      if (transport) {
        await transport.disconnect();
      }
    } catch (e) { /* ignore */ }
    transport = null;
    loader = null;
    connected = false;
    document.getElementById('connectBtn').style.display = 'block';
    document.getElementById('disconnectBtn').style.display = 'none';
    document.getElementById('chipInfo').style.display = 'none';
    document.getElementById('progressWrap').style.display = 'none';
    setStatus('Disconnected');
    updateFlashButton();
    log('Disconnected');
  };
</script>
</body>
</html>