SiFli-Wiki/lcd_frequency.html at main · minjiezhong/SiFli-Wiki · GitHub

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<!DOCTYPE html>
<html lang="zh">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <title>LCD帧率计算器</title>
  <link href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap" rel="stylesheet">
  <style>
    * {
      box-sizing: border-box;
    }

    body {
      font-family: 'Poppins', Arial, sans-serif;
      margin: 0;
      padding: 0;
      background: #000;
      color: white;
      min-height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
      position: relative;
      padding: 20px; /* 增加页面内边距，避免小屏幕内容溢出 */
    }

    canvas {
      position: fixed;
      top: 0;
      left: 0;
      z-index: -1;
      pointer-events: none;
    }

    .container {
      max-width: 500px;
      width: 100%;
      background: rgba(20, 20, 30, 0.85);
      backdrop-filter: blur(10px);
      padding: 30px;
      border-radius: 20px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
      border: 1px solid rgba(100, 150, 255, 0.3);
      transition: transform 0.3s ease;
      z-index: 10;
      display: flex;
      flex-direction: column;
      max-height: 90vh; /* 增加最大高度，避免内容被容器截断 */
      overflow-y: auto;
    }

    /* 隐藏滚动条 */
    ::-webkit-scrollbar {
      display: none;
    }
    scrollbar-width: none;

    .container:hover {
      transform: translateY(-5px);
    }

    h2 {
      text-align: center;
      color: #fff;
      margin-top: 0;
      font-weight: 600;
      font-size: 26px;
      text-shadow: 0 0 10px rgba(100, 200, 255, 0.8);
    }

    p.desc {
      text-align: center;
      color: #aaa;
      font-size: 14px;
      margin-bottom: 20px;
    }

    label {
      display: block;
      margin: 16px 0 6px;
      font-weight: 500;
      color: #aaccff;
      font-size: 15px;
    }

    input[type="number"], select {
      width: 100%;
      padding: 12px 15px;
      background: rgba(255, 255, 255, 0.1);
      border: 2px solid rgba(100, 150, 255, 0.4);
      border-radius: 10px;
      font-size: 16px;
      color: white;
      outline: none;
      transition: all 0.3s ease;
      appearance: none;
      background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0  0 24 24' fill='none' stroke='%2366ccff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 15px center;
      background-size: 16px;
    }

    input[type="number"]:focus, select:focus {
      border-color: #66ccff;
      box-shadow: 0 0 15px rgba(102, 204, 255, 0.3);
      background: rgba(255, 255, 255, 0.15);
    }

    button {
      margin-top: 20px;
      padding: 12px 24px;
      background: linear-gradient(45deg, #00c3ff, #007acc);
      color: white;
      border: none;
      border-radius: 10px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      width: 100%;
      transition: all 0.3s ease;
    }

    button:hover {
      background: linear-gradient(45deg, #007acc, #005a99);
      transform: scale(1.03);
      box-shadow: 0 5px 20px rgba(0, 122, 204, 0.4);
    }

    button:active {
      transform: scale(0.98);
    }

    .result {
      margin-top: 20px;
      padding: 16px 20px;
      background: rgba(0, 128, 0, 0.3);
      border-left: 5px solid #00ff88;
      border-radius: 10px;
      font-size: 17px;
      color: #bfefff;
      line-height: 2; /* 进一步增加行高，确保两行不重叠 */
      opacity: 0;
      max-height: 0; /* 关键：用max-height控制显示/隐藏动画 */
      overflow: hidden;
      transition: all 0.5s ease;
      text-align: center;
      width: 100%; /* 确保宽度100%，内容不溢出 */
    }

    .result.show {
      opacity: 1;
      max-height: 200px; /* 足够容纳两行内容的高度 */
      padding-top: 16px;
      padding-bottom: 16px;
    }

    .note {
      font-size: 13px;
      color: #88aaff;
      margin-top: 10px;
      font-style: italic;
    }

    .field-group { display: none; }
    .field-group.active { display: block; }

    @media (max-width: 520px) {
      .container {
        padding: 20px;
        max-height: 95vh; /* 小屏幕增加容器高度 */
      }
      h2 {
        font-size: 22px;
      }
      .result {
        font-size: 15px;
        max-height: none; /* 小屏幕取消最大高度限制 */
      }
    }

    select option {
      background-color: #1a1a2e;
      color: #ffffff;
      padding: 10px 15px;
      font-size: 16px;
      border-bottom: 1px solid rgba(100, 150, 255, 0.2);
    }

    select option:hover {
      background-color: #2a2a4a;
      color: #66ccff;
    }

    select option:checked {
      background-color: #007acc;
      color: white;
    }
  </style>
</head>
<body>

<!-- 背景 Canvas -->
<canvas id="background-canvas"></canvas>

<!-- 主容器 -->
<div class="container">
  <h2>🌌 LCD帧率计算器</h2>
  <p class="desc">选择接口类型，输入参数计算帧率</p>

  <!-- 接口类型选择 -->
  <label>📱 接口类型
    <select id="interface-type" onchange="switchMode()">
      <option value="qspi">QSPI 接口</option>
      <option value="dsi_video">DSI Video 接口</option>
      <option value="dpi">DPI 接口</option>
      <option value="dbi">DBI 8bit 接口</option>
    </select>
  </label>

  <!-- QSPI 模式 -->
  <div id="qspi-fields" class="field-group active">
    <label>📏 分辨率宽度(像素)
      <input type="number" id="A3" placeholder="例如：800">
    </label>
    <label>📐 分辨率高度(像素)
      <input type="number" id="B3" placeholder="例如：480">
    </label>
    <label>🎨 颜色位深
      <input type="number" id="C3" placeholder="RGB565填16，RGB888填24">
    </label>
    <label>⚡ 接口频率 (Hz)
      <input type="number" id="D3" placeholder="例如：100000000">
    </label>
    <label>🔁 DDR模式
      <input type="number" id="E3" placeholder="单倍填1，DDR填2">
    </label>
  </div>

  <!-- DSI Video 模式 -->
  <div id="dsi_video-fields" class="field-group">
    <label>📏 分辨率宽度(HAW)
      <input type="number" id="dsi_width" placeholder="例如：800">
    </label>
    <label>↔️ HSYNC+HBP+HFP
      <input type="number" id="dsi_hsync_total" placeholder="水平总周期">
    </label>
    <label>📐 分辨率高度(VAH)
      <input type="number" id="dsi_height" placeholder="例如：480">
    </label>
    <label>↕️ VSYNC+VBP+VFP
      <input type="number" id="dsi_vsync_total" placeholder="垂直总周期">
    </label>
    <label>🎨 颜色位深
      <input type="number" id="dsi_bpp" placeholder="RGB565填16，RGB888填24">
    </label>
    <label>📡 单Lane带宽 (Mbps)
      <input type="number" id="dsi_lane_speed" placeholder="如800">
    </label>
    <label>🔗 Lane数量
      <input type="number" id="dsi_lane_count" placeholder="如2">
    </label>
  </div>

  <!-- DPI 模式 -->
  <div id="dpi-fields" class="field-group">
    <label>📏 分辨率宽度(HAW)
      <input type="number" id="dpi_width" placeholder="例如：800">
    </label>
    <label>↔️ HSYNC+HBP+HFP
      <input type="number" id="dpi_hsync_total" placeholder="水平总周期">
    </label>
    <label>📐 分辨率高度(VAH)
      <input type="number" id="dpi_height" placeholder="例如：480">
    </label>
    <label>↕️ VSYNC+VBP+VFP
      <input type="number" id="dpi_vsync_total" placeholder="垂直总周期">
    </label>
    <label>⚙️ DPI PCLK (MHz)
      <input type="number" id="dpi_pclk" placeholder="如60">
    </label>
  </div>

  <!-- DBI 模式 -->
  <div id="dbi-fields" class="field-group">
    <label>📏 分辨率宽度
      <input type="number" id="dbi_width" placeholder="例如：240">
    </label>
    <label>📐 分辨率高度
      <input type="number" id="dbi_height" placeholder="例如：320">
    </label>
    <label>🎨 颜色位深
      <input type="number" id="dbi_bpp" placeholder="RGB565填16，RGB888填24">
    </label>
    <label>⚡ 接口频率 (Hz)
      <input type="number" id="dbi_freq" placeholder="如10000000">
    </label>
  </div>

  <button onclick="calculate()">✨ 开始计算</button>

  <!-- 结果显示区域：确保容器无额外限制 -->
  <div style="width: 100%;">
    <div class="result" id="result"></div>
  </div>
</div>

<script>
  // === 粒子背景动画 ===
  const canvas = document.getElementById('background-canvas');
  const ctx = canvas.getContext('2d');

  function resizeCanvas() {
    canvas.width = window.innerWidth;
    canvas.height = window.innerHeight;
  }
  window.addEventListener('resize', resizeCanvas);
  resizeCanvas();

  let particles = [];
  const numParticles = 80;

  for (let i = 0; i < numParticles; i++) {
    particles.push({
      x: Math.random() * canvas.width,
      y: Math.random() * canvas.height,
      radius: Math.random() * 1.5 + 0.5,
      vx: Math.random() * 0.5 - 0.25,
      vy: Math.random() * 0.5 - 0.25,
      alpha: Math.random() * 0.5 + 0.5
    });
  }

  function drawParticles() {
    ctx.clearRect(0, 0, canvas.width, canvas.height);

    for (let i = 0; i < particles.length; i++) {
      for (let j = i + 1; j < particles.length; j++) {
        const dx = particles[i].x - particles[j].x;
        const dy = particles[i].y - particles[j].y;
        const distance = Math.sqrt(dx * dx + dy * dy);

        if (distance < 150) {
          ctx.beginPath();
          ctx.strokeStyle = `rgba(100, 200, 255, ${0.2 * (1 - distance / 150)})`;
          ctx.lineWidth = 0.5;
          ctx.moveTo(particles[i].x, particles[i].y);
          ctx.lineTo(particles[j].x, particles[j].y);
          ctx.stroke();
        }
      }

      particles[i].x += particles[i].vx;
      particles[i].y += particles[i].vy;

      if (particles[i].x < 0 || particles[i].x > canvas.width) particles[i].vx *= -1;
      if (particles[i].y < 0 || particles[i].y > canvas.height) particles[i].vy *= -1;

      ctx.beginPath();
      ctx.arc(particles[i].x, particles[i].y, particles[i].radius, 0, Math.PI * 2);
      ctx.fillStyle = `rgba(100, 200, 255, ${particles[i].alpha})`;
      ctx.fill();
    }

    requestAnimationFrame(drawParticles);
  }
  drawParticles();

  // === 切换接口模式 ===
  function switchMode() {
    const mode = document.getElementById("interface-type").value;
    document.querySelectorAll('.field-group').forEach(group => {
      group.classList.remove('active');
    });
    document.getElementById(`${mode}-fields`).classList.add('active');
  }

  // === 计算函数 ===
  function calculate() {
    const mode = document.getElementById("interface-type").value;
    let frameRate = 0;

    try {
      switch (mode) {
        case "qspi":
          const A = parseFloat(document.getElementById('A3').value);
          const B = parseFloat(document.getElementById('B3').value);
          const C = parseFloat(document.getElementById('C3').value);
          const D = parseFloat(document.getElementById('D3').value);
          const E = parseFloat(document.getElementById('E3').value);
          if (![A, B, C, D, E].every(v => !isNaN(v) && v > 0)) throw "QSPI 参数不完整";
          frameRate = (D * 4 * E) / (A * B * C);
          break;

        case "dsi_video":
          const w1 = parseFloat(document.getElementById('dsi_width').value);
          const ht = parseFloat(document.getElementById('dsi_hsync_total').value);
          const h1 = parseFloat(document.getElementById('dsi_height').value);
          const vt = parseFloat(document.getElementById('dsi_vsync_total').value);
          const bpp1 = parseFloat(document.getElementById('dsi_bpp').value);
          const laneSpeed = parseFloat(document.getElementById('dsi_lane_speed').value);
          const laneCount = parseFloat(document.getElementById('dsi_lane_count').value);
          if (![w1, ht, h1, vt, bpp1, laneSpeed, laneCount].every(v => !isNaN(v) && v > 0)) throw "DSI Video 参数不完整";
          const totalBandwidth = laneSpeed * laneCount * 0.9;
          const pixelsPerFrame = (ht + w1) * (vt + h1);
          frameRate = (totalBandwidth * 1_000_000 / 8) / (pixelsPerFrame * (bpp1 / 8));
          break;

        case "dpi":
          const w2 = parseFloat(document.getElementById('dpi_width').value);
          const ht2 = parseFloat(document.getElementById('dpi_hsync_total').value);
          const h2 = parseFloat(document.getElementById('dpi_height').value);
          const vt2 = parseFloat(document.getElementById('dpi_vsync_total').value);
          const pclk = parseFloat(document.getElementById('dpi_pclk').value);
          if (![w2, ht2, h2, vt2, pclk].every(v => !isNaN(v) && v > 0)) throw "DPI 参数不完整";
          const pixelsPerFrameDPI = (ht2 + w2) * (vt2 + h2);
          frameRate = (pclk * 1_000_000) / pixelsPerFrameDPI;
          break;

        case "dbi":
          const w3 = parseFloat(document.getElementById('dbi_width').value);
          const h3 = parseFloat(document.getElementById('dbi_height').value);
          const bpp3 = parseFloat(document.getElementById('dbi_bpp').value);
          const freq = parseFloat(document.getElementById('dbi_freq').value);
          if (![w3, h3, bpp3, freq].every(v => !isNaN(v) && v > 0)) throw "DBI 参数不完整";
          frameRate = (freq * 8) / (w3 * h3 * bpp3);
          break;

        default:
          throw "未知模式";
      }
    } catch (e) {
      showError(e.toString());
      return;
    }

    const refreshTime = 1000 / frameRate;

    const resultEl = document.getElementById('result');
    // 确保内容结构为两行独立块级元素
    resultEl.innerHTML = `
      <div style="margin: 8px 0;"><strong>📊 刷屏帧率：</strong> ${frameRate.toFixed(2)} <span style="color:#66ccff;font-weight:600;">FPS</span></div>
      <div style="margin: 8px 0;"><strong>⏱️ 刷屏时间：</strong> ${refreshTime.toFixed(2)} <span style="color:#66ccff;font-weight:600;">ms</span></div>
    `;
    resultEl.className = 'result show';
  }

  function showError(msg) {
    const resultEl = document.getElementById('result');
    resultEl.innerHTML = `<strong style="color:#ff6b6b;">❌ ${msg}</strong>`;
    resultEl.className = 'result show';
  }

  // 支持回车计算
  document.querySelectorAll('input').forEach(input => {
    input.addEventListener('keypress', e => {
      if (e.key === 'Enter') calculate();
    });
  });

  window.onload = () => {
    document.getElementById('A3').focus();
  };
</script>
</body>
</html>