Antex-XM100-Control/XM100.html at main · LCalrissian/Antex-XM100-Control · GitHub

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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>Antex XM-100 Control Panel</title>
  <style>
    body { font-family: Arial, sans-serif; margin: 20px; }
    button { margin: 5px; padding: 10px; }
    input[type="number"] { width: 60px; padding: 5px; }
    #container { display: flex; gap: 20px; }
    #controls { width: 300px; }
    #status-terminal { display: flex; gap: 20px; margin-bottom: 20px; }
    #status {
      width: 400px;
      border: 1px solid #888;
      padding: 10px;
      border-radius: 6px;
      background-color: #f0f0f0;
    }
    #output {
      width: 600px;
      height: 300px;
      overflow: auto;
      background: #111;
      color: #0f0;
      padding: 10px;
      white-space: pre-wrap;
      font-family: monospace;
      border-radius: 6px;
    }
    .section { margin-top: 20px; }
    table { border-collapse: collapse; width: 100%; }
    td, th { border: 1px solid #888; padding: 5px; text-align: left; }
    th { background-color: #ddd; }
    .unknown { color: grey; }
  </style>
</head>
<body>
  <h1>Antex XM-100 Control Panel</h1>

  <div id="status-terminal">
    <div id="status">
      <h2>Current Channel Status</h2>
      <table>
        <tr><th>Channel</th><td id="statusChannel">-</td></tr>
        <tr><th>Category</th><td id="statusCategory">-</td></tr>
        <tr><th>Channel Name</th><td id="statusName">-</td></tr>
        <tr><th>Artist</th><td id="statusArtist">-</td></tr>
        <tr><th>Song</th><td id="statusSong">-</td></tr>
      </table>
    </div>

    <pre id="output">Terminal output will appear here...</pre>
  </div>

  <div id="controls">
    <button id="connect">Connect</button>
    <button id="disconnect" disabled>Disconnect</button>

    <div class="section">
      <h2>Power & Mute</h2>
      <button id="powerToggle" class="unknown">Power Unknown</button>
      <br>
      <button class="cmd" data-cmd="*MU1">Mute On</button>
      <button class="cmd" data-cmd="*MU0">Mute Off</button>
    </div>

    <div class="section">
      <h2>Channel / Preset</h2>
      <label>Channel: <input type="number" id="channel" min="1" max="999"></label>
      <button id="setChannel">Change Channel</button>
      <br>
      <label>Preset #: <input type="number" id="presetRecall" min="1" max="9"></label>
      <button id="recallPreset">Recall Preset</button>
      <br>
      <label>Store Preset #: <input type="number" id="presetStore" min="1" max="9"></label>
      <label>Channel: <input type="number" id="storeChannel" min="1" max="999"></label>
      <button id="storePreset">Store Preset</button>
    </div>

    <div class="section">
      <h2>Navigation</h2>
      <button class="cmd" data-cmd="*CU1">Channel Up</button>
      <button class="cmd" data-cmd="*CD1">Channel Down</button>
      <br>
      <button class="cmd" data-cmd="*CGU1">Category Up</button>
      <button class="cmd" data-cmd="*CGD1">Category Down</button>
    </div>
  </div>

  <script>
    let port, reader, writer;
    let keepReading = false;
    let buffer = "";
    let powerState = null;

    async function connect() {
      try {
        port = await navigator.serial.requestPort();
        await port.open({ baudRate: 9600, dataBits: 8, stopBits: 1, parity: "none" });
        writer = port.writable.getWriter();
        reader = port.readable.getReader();
        keepReading = true;
        document.getElementById("disconnect").disabled = false;
        document.getElementById("connect").disabled = true;
        readLoop();
        log("Connected to XM-100");

        // Initial full status poll
        sendCommand("*UN1");
        setTimeout(() => {
          sendCommand("*PR"); // Poll power after device responds
        }, 1000);
      } catch (err) {
        log("Error: " + err);
      }
    }

    async function disconnect() {
      keepReading = false;
      if (reader) { await reader.cancel(); reader.releaseLock(); }
      if (writer) { writer.releaseLock(); }
      if (port) { await port.close(); }
      document.getElementById("connect").disabled = false;
      document.getElementById("disconnect").disabled = true;
      log("Disconnected");
      powerState = null;
      updatePowerButton();
    }

    async function readLoop() {
      const decoder = new TextDecoder();
      while (keepReading && port.readable) {
        try {
          const { value, done } = await reader.read();
          if (done) break;
          if (value) {
            buffer += decoder.decode(value);
            let idx;
            while ((idx = buffer.indexOf('\r')) >= 0) {
              let line = buffer.slice(0, idx);
              buffer = buffer.slice(idx + 1);
              line = line.trim();
              if (!line) continue;
              log("Received: " + line);
              parseFeedback(line);
            }
          }
        } catch (err) {
          log("Read error: " + err);
          break;
        }
      }
    }

    function parseFeedback(line) {
      if (!line.startsWith("*")) return;
      let content = line.substring(1); // remove leading *

      // Power feedback
      if (content.startsWith("PR1")) {
        powerState = true;
        updatePowerButton();
        return;
      } else if (content.startsWith("PR0")) {
        powerState = false;
        updatePowerButton();
        return;
      }

      // Determine command field dynamically up to first comma
      const firstComma = content.indexOf(",");
      if (firstComma < 0) return; // invalid line
      const cmd = content.slice(0, firstComma);
      let rest = content.slice(firstComma + 1);

      // Only parse if it is a status command
      const statusCommands = ["UN1","CU1","CD1","CH1","PS1","CGU1","CGD1"];
      if (!statusCommands.includes(cmd)) return;

      try {
        // Channel: 3 digits
        let channel = rest.slice(0,3).trim();
        rest = rest.slice(4); // skip 3 digits + comma

        // Category: 8 chars
        let category = rest.slice(0,8).trim();
        rest = rest.slice(9); // skip 8 chars + comma

        // Channel Name: 8 chars
        let name = rest.slice(0,8).trim();
        rest = rest.slice(9); // skip 8 chars + comma

        // Artist: 16 chars
        let artist = rest.slice(0,16).trim();
        rest = rest.slice(17); // skip 16 chars + comma

        // Song: 16 chars
        let song = rest.slice(0,16).trim();

        document.getElementById("statusChannel").textContent = channel;
        document.getElementById("statusCategory").textContent = category;
        document.getElementById("statusName").textContent = name;
        document.getElementById("statusArtist").textContent = artist;
        document.getElementById("statusSong").textContent = song;
      } catch (err) {
        console.warn("Failed to parse line:", line, err);
      }
    }

    async function sendCommand(cmd) {
      if (!writer) { log("Not connected"); return; }
      await writer.write(new TextEncoder().encode(cmd + "\r"));
      log("Sent: " + cmd);
    }

    function updatePowerButton() {
      const btn = document.getElementById("powerToggle");
      if (powerState === true) {
        btn.textContent = "Power On";
        btn.classList.remove("unknown");
      } else if (powerState === false) {
        btn.textContent = "Power Off";
        btn.classList.remove("unknown");
      } else {
        btn.textContent = "Power Unknown";
        btn.classList.add("unknown");
      }
    }

    document.getElementById("connect").addEventListener("click", connect);
    document.getElementById("disconnect").addEventListener("click", disconnect);

    document.getElementById("powerToggle").addEventListener("click", () => {
      if (powerState === true) {
        sendCommand("*PR0");
      } else {
        sendCommand("*PR1");
      }
      powerState = null;
      updatePowerButton();
    });

    document.querySelectorAll(".cmd").forEach(btn => {
      btn.addEventListener("click", () => sendCommand(btn.getAttribute("data-cmd")));
    });

    document.getElementById("setChannel").addEventListener("click", () => {
      const ch = document.getElementById("channel").value.padStart(3, '0');
      sendCommand(`*CH1,${ch}`);
    });

    document.getElementById("recallPreset").addEventListener("click", () => {
      const p = document.getElementById("presetRecall").value;
      sendCommand(`*PS1,${p}`);
    });

    document.getElementById("storePreset").addEventListener("click", () => {
      const p = document.getElementById("presetStore").value;
      const ch = document.getElementById("storeChannel").value.padStart(3, '0');
      sendCommand(`*PS1,${p},${ch}`);
    });

    function log(text) {
      const out = document.getElementById("output");
      out.textContent += text + "\n";
      out.scrollTop = out.scrollHeight;
    }
  </script>
</body>
</html>