587 lines
22 KiB
C++
587 lines
22 KiB
C++
#ifndef GRAPH_H
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#define GRAPH_H
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const char graph_html[] PROGMEM = R"rawliteral(
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
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<title>CAN Signal Graph</title>
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<style>
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* { margin: 0; padding: 0; box-sizing: border-box; }
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body {
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font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
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background: linear-gradient(135deg, #43cea2 0%, #185a9d 100%);
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min-height: 100vh;
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padding: 10px;
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}
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.container {
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max-width: 1600px;
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margin: 0 auto;
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background: white;
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border-radius: 15px;
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box-shadow: 0 20px 60px rgba(0,0,0,0.3);
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overflow: hidden;
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}
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.header {
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background: linear-gradient(135deg, #43cea2 0%, #185a9d 100%);
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color: white;
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padding: 20px;
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text-align: center;
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}
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.header h1 { font-size: 1.8em; margin-bottom: 5px; }
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.nav {
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background: #2c3e50;
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padding: 10px;
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display: flex;
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gap: 10px;
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flex-wrap: wrap;
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justify-content: center;
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}
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.nav a {
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color: white;
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text-decoration: none;
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padding: 10px 15px;
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border-radius: 5px;
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transition: all 0.3s;
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font-size: 0.9em;
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}
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.nav a:hover { background: #34495e; }
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.nav a.active { background: #3498db; }
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.content { padding: 15px; }
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.dbc-upload {
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background: #f8f9fa;
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padding: 20px;
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border-radius: 10px;
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margin-bottom: 15px;
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}
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.upload-area {
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border: 3px dashed #43cea2;
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border-radius: 10px;
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padding: 30px 20px;
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text-align: center;
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cursor: pointer;
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transition: all 0.3s;
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}
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.upload-area:hover { background: #f0f9ff; border-color: #185a9d; }
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.upload-area input { display: none; }
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.signal-selector {
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background: #f8f9fa;
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padding: 15px;
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border-radius: 10px;
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margin-bottom: 15px;
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}
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.sort-controls {
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display: flex;
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gap: 10px;
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margin-bottom: 15px;
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align-items: center;
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flex-wrap: wrap;
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}
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.sort-label {
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font-weight: 600;
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color: #333;
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font-size: 0.9em;
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}
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.sort-btn {
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padding: 8px 15px;
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border: 2px solid #43cea2;
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background: white;
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border-radius: 5px;
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font-size: 0.85em;
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cursor: pointer;
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transition: all 0.3s;
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font-weight: 600;
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}
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.sort-btn:hover {
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background: #f0f9ff;
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transform: translateY(-2px);
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}
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.sort-btn.active {
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background: #43cea2;
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color: white;
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}
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.signal-grid {
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display: grid;
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grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
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gap: 10px;
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margin-top: 15px;
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}
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.signal-item {
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background: white;
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padding: 12px;
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border-radius: 8px;
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border: 2px solid #ddd;
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cursor: pointer;
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transition: all 0.3s;
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}
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.signal-item:hover { border-color: #43cea2; transform: translateY(-2px); }
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.signal-item.selected { border-color: #185a9d; background: #e3f2fd; }
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.signal-name { font-weight: 600; color: #333; margin-bottom: 5px; font-size: 0.9em; }
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.signal-info { font-size: 0.8em; color: #666; }
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.controls {
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display: flex;
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gap: 8px;
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margin-bottom: 15px;
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flex-wrap: wrap;
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}
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.btn {
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padding: 10px 20px;
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border: none;
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border-radius: 5px;
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font-size: 0.9em;
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font-weight: 600;
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cursor: pointer;
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transition: all 0.3s;
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}
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.btn-primary { background: linear-gradient(135deg, #43cea2 0%, #185a9d 100%); color: white; }
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.btn-success { background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%); color: white; }
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.btn-danger { background: linear-gradient(135deg, #eb3349 0%, #f45c43 100%); color: white; }
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.btn:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0,0,0,0.3); }
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h2 {
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color: #333;
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margin: 20px 0 15px 0;
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padding-bottom: 8px;
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border-bottom: 3px solid #43cea2;
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font-size: 1.3em;
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}
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.status { padding: 12px; background: #fff3cd; border-radius: 5px; margin-bottom: 15px; font-size: 0.9em; }
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.status.success { background: #d4edda; color: #155724; }
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.status.error { background: #f8d7da; color: #721c24; }
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.selection-info {
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background: #e3f2fd;
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padding: 12px 15px;
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border-radius: 8px;
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margin-bottom: 15px;
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border-left: 4px solid #185a9d;
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font-size: 0.9em;
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color: #333;
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}
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.selection-info strong {
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color: #185a9d;
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}
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@media (max-width: 768px) {
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body { padding: 5px; }
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.header h1 { font-size: 1.5em; }
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.content { padding: 10px; }
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.signal-grid { grid-template-columns: 1fr; gap: 8px; }
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h2 { font-size: 1.1em; }
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div class="header">
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<h1>CAN Signal Graph</h1>
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<p>Real-time Signal Visualization (Offline Mode)</p>
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</div>
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<div class="nav">
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<a href="/">Monitor</a>
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<a href="/transmit">Transmit</a>
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<a href="/graph" class="active">Graph</a>
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</div>
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<div class="content">
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<div id="status" class="status" style="display:none;"></div>
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<h2>Upload DBC File</h2>
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<div class="dbc-upload">
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<div class="upload-area" onclick="document.getElementById('dbc-file').click()">
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<input type="file" id="dbc-file" accept=".dbc" onchange="loadDBCFile(event)">
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<p style="font-size: 1.1em; margin-bottom: 8px;">Click to upload DBC</p>
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<p style="color: #666; font-size: 0.85em;" id="dbc-status">No file loaded</p>
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</div>
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</div>
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<div id="signal-section" style="display:none;">
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<h2>Select Signals (Max 20)</h2>
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<div class="selection-info">
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<strong>Selected: <span id="selected-count">0</span> / 20</strong>
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</div>
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<div class="controls">
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<button class="btn btn-success" onclick="startGraphing()">Start</button>
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<button class="btn btn-danger" onclick="stopGraphing()">Stop</button>
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<button class="btn btn-primary" onclick="clearSelection()">Clear</button>
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</div>
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<div class="signal-selector">
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<div class="sort-controls">
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<span class="sort-label">Sort by:</span>
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<button class="sort-btn active" id="sort-selection" onclick="setSortMode('selection')">Selection Order</button>
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<button class="sort-btn" id="sort-name-asc" onclick="setSortMode('name-asc')">Name (A→Z)</button>
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<button class="sort-btn" id="sort-name-desc" onclick="setSortMode('name-desc')">Name (Z→A)</button>
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</div>
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<div id="signal-list" class="signal-grid"></div>
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</div>
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<div style="background: #e3f2fd; padding: 15px; border-radius: 8px; margin-top: 15px; border-left: 4px solid #185a9d;">
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<p style="color: #333; font-size: 0.9em; margin: 0;">
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<strong>ℹ️ Info:</strong> Click "Start" to open a new window with real-time graphs.
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Your selected signals will be saved automatically.
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</p>
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</div>
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</div>
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</div>
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</div>
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<script>
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let ws;
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let dbcData = {};
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let selectedSignals = [];
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let allSignals = [];
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let sortMode = 'selection';
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const MAX_SIGNALS = 20;
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function initWebSocket() {
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ws = new WebSocket('ws://' + window.location.hostname + ':81');
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ws.onopen = function() {
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console.log('WebSocket connected');
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showStatus('Connected', 'success');
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};
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ws.onclose = function() {
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console.log('WebSocket disconnected');
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showStatus('Disconnected - Reconnecting...', 'error');
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setTimeout(initWebSocket, 3000);
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};
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ws.onmessage = function(event) {
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try {
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const data = JSON.parse(event.data);
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} catch(e) {
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console.error('Error parsing WebSocket data:', e);
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}
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};
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}
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function loadDBCFile(event) {
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const file = event.target.files[0];
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if (!file) return;
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const reader = new FileReader();
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reader.onload = function(e) {
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const content = e.target.result;
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parseDBCContent(content);
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document.getElementById('dbc-status').textContent = file.name;
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saveDBCToLocalStorage(content, file.name);
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};
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reader.readAsText(file);
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}
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function saveDBCToLocalStorage(content, filename) {
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try {
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localStorage.setItem('dbc_content', content);
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localStorage.setItem('dbc_filename', filename);
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console.log('DBC saved to localStorage:', filename);
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} catch(e) {
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console.error('Failed to save DBC to localStorage:', e);
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}
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}
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function loadDBCFromLocalStorage() {
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try {
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const content = localStorage.getItem('dbc_content');
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const filename = localStorage.getItem('dbc_filename');
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if (content && filename) {
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parseDBCContent(content);
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document.getElementById('dbc-status').textContent = filename + ' (restored)';
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showStatus('DBC file restored: ' + filename, 'success');
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console.log('DBC restored from localStorage:', filename);
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return true;
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}
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} catch(e) {
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console.error('Failed to load DBC from localStorage:', e);
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}
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return false;
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}
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function parseDBCContent(content) {
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dbcData = {messages: {}};
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allSignals = [];
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const lines = content.split('\n');
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let currentMessage = null;
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for (let line of lines) {
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line = line.trim();
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if (line.startsWith('BO_ ')) {
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const match = line.match(/BO_\s+(\d+)\s+(\w+)\s*:/);
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if (match) {
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const id = parseInt(match[1]);
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const name = match[2];
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currentMessage = {id: id, name: name, signals: []};
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dbcData.messages[id] = currentMessage;
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}
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}
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else if (line.startsWith('SG_ ') && currentMessage) {
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const match = line.match(/SG_\s+(\w+)\s*:\s*(\d+)\|(\d+)@([01])([+-])\s*\(([^,]+),([^)]+)\)\s*\[([^\]]+)\]\s*"([^"]*)"/);
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if (match) {
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const signal = {
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name: match[1],
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startBit: parseInt(match[2]),
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bitLength: parseInt(match[3]),
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byteOrder: match[4] === '0' ? 'motorola' : 'intel',
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signed: match[5] === '-',
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factor: parseFloat(match[6]),
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offset: parseFloat(match[7]),
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unit: match[9],
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messageId: currentMessage.id,
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messageName: currentMessage.name
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};
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currentMessage.signals.push(signal);
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allSignals.push(signal);
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}
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}
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}
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displaySignals();
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showStatus('DBC loaded: ' + Object.keys(dbcData.messages).length + ' messages', 'success');
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}
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function setSortMode(mode) {
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sortMode = mode;
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document.querySelectorAll('.sort-btn').forEach(btn => btn.classList.remove('active'));
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document.getElementById('sort-' + mode).classList.add('active');
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displaySignals();
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console.log('Sort mode changed to:', mode);
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}
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function sortSignals(signals) {
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if (sortMode === 'name-asc') {
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return signals.sort((a, b) => a.name.localeCompare(b.name));
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} else if (sortMode === 'name-desc') {
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return signals.sort((a, b) => b.name.localeCompare(a.name));
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} else {
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const selected = signals.filter(s => isSignalSelected(s));
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const notSelected = signals.filter(s => !isSignalSelected(s));
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return [...selected, ...notSelected];
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}
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}
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function isSignalSelected(signal) {
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return selectedSignals.some(s =>
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s.messageId === signal.messageId && s.name === signal.name);
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}
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function displaySignals() {
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const signalList = document.getElementById('signal-list');
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signalList.innerHTML = '';
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const sortedSignals = sortSignals([...allSignals]);
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sortedSignals.forEach(signal => {
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const item = document.createElement('div');
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item.className = 'signal-item';
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if (isSignalSelected(signal)) {
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item.classList.add('selected');
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}
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item.onclick = () => toggleSignal(signal, item);
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item.innerHTML =
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'<div class="signal-name">' + signal.name + '</div>' +
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'<div class="signal-info">' +
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'ID: 0x' + signal.messageId.toString(16).toUpperCase() + ' | ' +
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signal.bitLength + 'bit' +
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(signal.unit ? ' | ' + signal.unit : '') +
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'</div>';
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signalList.appendChild(item);
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});
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document.getElementById('signal-section').style.display = 'block';
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updateSelectionCount();
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}
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function updateSelectionCount() {
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document.getElementById('selected-count').textContent = selectedSignals.length;
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}
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function toggleSignal(signal, element) {
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const index = selectedSignals.findIndex(s =>
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s.messageId === signal.messageId && s.name === signal.name);
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if (index >= 0) {
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selectedSignals.splice(index, 1);
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element.classList.remove('selected');
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} else {
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if (selectedSignals.length >= MAX_SIGNALS) {
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showStatus('Max ' + MAX_SIGNALS + ' signals!', 'error');
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return;
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}
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selectedSignals.push(signal);
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element.classList.add('selected');
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}
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updateSelectionCount();
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saveSelectedSignals();
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if (sortMode === 'selection') {
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displaySignals();
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}
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}
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function clearSelection() {
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selectedSignals = [];
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document.querySelectorAll('.signal-item').forEach(item => {
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item.classList.remove('selected');
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});
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updateSelectionCount();
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saveSelectedSignals();
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if (sortMode === 'selection') {
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displaySignals();
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}
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}
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function saveSelectedSignals() {
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try {
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localStorage.setItem('selected_signals', JSON.stringify(selectedSignals));
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localStorage.setItem('sort_mode', sortMode);
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console.log('Saved', selectedSignals.length, 'signals with sort mode:', sortMode);
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} catch(e) {
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console.error('Failed to save selected signals:', e);
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}
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}
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function loadSelectedSignals() {
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try {
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const saved = localStorage.getItem('selected_signals');
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const savedSortMode = localStorage.getItem('sort_mode');
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if (savedSortMode) {
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sortMode = savedSortMode;
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document.querySelectorAll('.sort-btn').forEach(btn => btn.classList.remove('active'));
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document.getElementById('sort-' + sortMode).classList.add('active');
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}
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if (saved) {
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const signals = JSON.parse(saved);
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signals.forEach(savedSignal => {
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let found = false;
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for (let msgId in dbcData.messages) {
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const msg = dbcData.messages[msgId];
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const signal = msg.signals.find(s =>
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s.messageId === savedSignal.messageId && s.name === savedSignal.name);
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if (signal) {
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selectedSignals.push(signal);
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found = true;
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break;
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}
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}
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});
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displaySignals();
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if (selectedSignals.length > 0) {
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showStatus('Restored ' + selectedSignals.length + ' selected signals', 'success');
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}
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}
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} catch(e) {
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console.error('Failed to load selected signals:', e);
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}
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}
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function startGraphing() {
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if (selectedSignals.length === 0) {
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showStatus('Select at least one signal!', 'error');
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return;
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}
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saveSelectedSignals();
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const width = 1400;
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const height = 900;
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const left = (screen.width - width) / 2;
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const top = (screen.height - height) / 2;
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window.open(
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'/graph-view',
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'CAN_Graph_Viewer',
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'width=' + width + ',height=' + height + ',left=' + left + ',top=' + top + ',resizable=yes,scrollbars=yes'
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);
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showStatus('Graph viewer opened in new window', 'success');
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}
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|
||
function stopGraphing() {
|
||
showStatus('Use the stop button in the graph viewer window', 'error');
|
||
}
|
||
|
||
function showStatus(message, type) {
|
||
const status = document.getElementById('status');
|
||
status.textContent = message;
|
||
status.className = 'status ' + type;
|
||
status.style.display = 'block';
|
||
setTimeout(() => { status.style.display = 'none'; }, 5000);
|
||
}
|
||
|
||
const uploadArea = document.querySelector('.upload-area');
|
||
['dragenter', 'dragover', 'dragleave', 'drop'].forEach(eventName => {
|
||
uploadArea.addEventListener(eventName, e => {
|
||
e.preventDefault();
|
||
e.stopPropagation();
|
||
});
|
||
});
|
||
|
||
['dragenter', 'dragover'].forEach(eventName => {
|
||
uploadArea.addEventListener(eventName, () => {
|
||
uploadArea.style.borderColor = '#185a9d';
|
||
uploadArea.style.background = '#f0f9ff';
|
||
});
|
||
});
|
||
|
||
['dragleave', 'drop'].forEach(eventName => {
|
||
uploadArea.addEventListener(eventName, () => {
|
||
uploadArea.style.borderColor = '#43cea2';
|
||
uploadArea.style.background = '';
|
||
});
|
||
});
|
||
|
||
uploadArea.addEventListener('drop', function(e) {
|
||
const file = e.dataTransfer.files[0];
|
||
if (file && file.name.endsWith('.dbc')) {
|
||
const reader = new FileReader();
|
||
reader.onload = function(ev) {
|
||
parseDBCContent(ev.target.result);
|
||
document.getElementById('dbc-status').textContent = file.name;
|
||
|
||
saveDBCToLocalStorage(ev.target.result, file.name);
|
||
};
|
||
reader.readAsText(file);
|
||
}
|
||
});
|
||
|
||
window.addEventListener('load', function() {
|
||
if (loadDBCFromLocalStorage()) {
|
||
setTimeout(() => loadSelectedSignals(), 100);
|
||
}
|
||
});
|
||
|
||
initWebSocket();
|
||
</script>
|
||
</body>
|
||
</html>
|
||
)rawliteral";
|
||
|
||
#endif |