759 lines
32 KiB
C++
759 lines
32 KiB
C++
#ifndef GRAPH_VIEWER_H
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#define GRAPH_VIEWER_H
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const char graph_viewer_html[] PROGMEM = R"rawliteral(
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<!DOCTYPE html><html><head>
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<meta charset="UTF-8"><meta name="viewport" content="width=device-width,initial-scale=1.0">
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<title>CAN FD Signal Graph</title>
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<style>
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:root{--bg:#0e1117;--panel:#161b24;--card:#1c2230;--border:#2d3748;--accent:#43cea2;--accent2:#38ef7d;--blue:#58a6ff;--red:#f85149;--yellow:#e3b341;--text:#e6edf3;--muted:#8b949e;--r:10px;}
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*{margin:0;padding:0;box-sizing:border-box;}html,body{height:100%;}
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body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden;font-size:14px;}
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.header{background:linear-gradient(135deg,#1a2744 0%,#1e1a3a 100%);padding:12px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;}
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.header h1{font-size:1.05em;font-weight:700;color:var(--accent);white-space:nowrap;}
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.header p{font-size:.8em;color:var(--muted);margin:0;}
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.header-spacer{flex:1;}
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nav{background:var(--panel);border-bottom:1px solid var(--border);display:flex;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;}
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nav::-webkit-scrollbar{display:none;}
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nav .nav-title{color:var(--accent);font-weight:700;font-size:1.0em;padding:10px 14px;white-space:nowrap;border-bottom:2px solid transparent;}
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nav a{display:inline-flex;align-items:center;padding:10px 13px;text-decoration:none;color:var(--muted);font-size:.78em;font-weight:500;border-bottom:2px solid transparent;white-space:nowrap;transition:color .2s,border-color .2s;}
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nav a:hover{color:var(--text);}
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nav a.active{color:var(--accent);border-bottom-color:var(--accent);}
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.controls{background:var(--panel);border-bottom:1px solid var(--border);padding:8px 12px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
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.control-group{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
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.control-label{font-size:.72em;color:var(--muted);white-space:nowrap;padding-right:2px;}
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.ctrl-sep{width:1px;height:20px;background:var(--border);margin:0 4px;}
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.btn{padding:5px 11px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--muted);font-size:.78em;font-weight:600;cursor:pointer;transition:all .15s;white-space:nowrap;font-family:inherit;-webkit-tap-highlight-color:transparent;touch-action:manipulation;}
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.btn:hover{border-color:var(--accent);color:var(--accent);}
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.btn:active{transform:scale(.96);}
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.btn.active{background:rgba(67,206,162,.15);border-color:var(--accent);color:var(--accent);}
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.btn-success{border-color:#3fb950;color:#3fb950;}.btn-success.active,.btn-success:hover{background:rgba(63,185,80,.15);}
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.btn-danger{border-color:var(--red);color:var(--red);}.btn-danger:hover{background:rgba(248,81,73,.12);}
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.btn-info{border-color:var(--blue);color:var(--blue);}.btn-info.active,.btn-info:hover{background:rgba(88,166,255,.15);}
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.btn-warning{border-color:var(--yellow);color:var(--yellow);}.btn-warning.active,.btn-warning:hover{background:rgba(227,179,65,.15);}
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.stats-bar{display:flex;flex-wrap:wrap;gap:14px;padding:5px 14px;background:var(--bg);border-bottom:1px solid var(--border);font-size:.75em;color:var(--muted);}
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.stats-bar strong{color:var(--accent);margin-left:3px;}
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.status{padding:4px 10px;border-radius:20px;font-size:.72em;font-weight:600;background:rgba(67,206,162,.12);color:var(--accent);border:1px solid rgba(67,206,162,.3);transition:all .3s;white-space:nowrap;}
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.status.disconnected{background:rgba(248,81,73,.12);color:var(--red);border-color:rgba(248,81,73,.3);}
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.graphs{padding:10px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,440px),1fr));gap:10px;}
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.graph-container{background:var(--card);border-radius:var(--r);border:1px solid var(--border);overflow:hidden;}
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.graph-header{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;border-bottom:1px solid var(--border);background:rgba(67,206,162,.05);gap:8px;}
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.graph-title{font-size:.82em;font-weight:700;color:var(--accent);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
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.graph-value{font-size:1em;font-weight:700;color:var(--accent2);font-family:'Courier New',monospace;white-space:nowrap;flex-shrink:0;}
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canvas{display:block;width:100%;height:200px;border:none;}
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.fd-tag{display:inline-block;padding:1px 5px;border-radius:3px;font-size:.7em;font-weight:700;background:#2d1b69;color:#a371f7;margin-left:4px;}
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@media(max-width:480px){.controls{padding:6px 8px;gap:5px;}.ctrl-sep{display:none;}.btn{padding:6px 9px;font-size:.8em;}.header h1{font-size:.95em;}canvas{height:175px;}.stats-bar{gap:8px;font-size:.7em;}}
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@media(min-width:768px){canvas{height:230px;}}
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@media(min-width:1200px){canvas{height:260px;}}
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</style>
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</head><body>
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<div class="header">
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<div><h1>CAN FD Signal Graph</h1><p>Viewing <span id="graph-count">0</span> signals</p></div>
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<div class="header-spacer"></div>
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<div class="status" id="status-pill">Connecting...</div>
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</div>
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<nav>
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<span class="nav-title">⚡ CANFD Logger</span>
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<a href="/">대시보드</a>
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<a href="/transmit">송신</a>
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<a href="/graph">그래프</a>
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<a href="/graph-view" class="active">그래프 뷰어</a>
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<a href="/settings">설정</a>
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</nav>
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<div class="controls">
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<div class="control-group">
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<button class="btn btn-success active" id="btn-start" onclick="startGraphing()">▶ Start</button>
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<button class="btn btn-danger" id="btn-stop" onclick="stopGraphing()">■ Stop</button>
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</div>
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<div class="ctrl-sep"></div>
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<div class="control-group">
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<span class="control-label">Scale:</span>
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<button class="btn btn-info active" id="btn-index-mode" onclick="setScaleMode('index')">Index</button>
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<button class="btn btn-info" id="btn-time-mode" onclick="setScaleMode('time')">Time</button>
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</div>
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<div class="ctrl-sep"></div>
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<div class="control-group">
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<span class="control-label">Range:</span>
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<button class="btn btn-warning active" id="btn-range-10s" onclick="setRangeMode('10s')">10s</button>
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<button class="btn btn-warning" id="btn-range-30s" onclick="setRangeMode('30s')">30s</button>
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<button class="btn btn-warning" id="btn-range-all" onclick="setRangeMode('all')">All</button>
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</div>
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<div class="ctrl-sep"></div>
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<div class="control-group">
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<span class="control-label">Plot:</span>
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<button class="btn btn-info active" id="btn-plot-line" onclick="setPlotMode('line')">Line</button>
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<button class="btn btn-info" id="btn-plot-scatter" onclick="setPlotMode('scatter')">Dot</button>
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</div>
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<div class="ctrl-sep"></div>
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<div class="control-group">
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<span class="control-label">Sort:</span>
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<button class="btn btn-info active" id="btn-sort-selection" onclick="setSortMode('selection')">Order</button>
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<button class="btn btn-info" id="btn-sort-name-asc" onclick="setSortMode('name-asc')">A→Z</button>
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<button class="btn btn-info" id="btn-sort-name-desc" onclick="setSortMode('name-desc')">Z→A</button>
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</div>
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<div class="ctrl-sep"></div>
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<div class="control-group">
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<button class="btn btn-success" onclick="downloadCSV()">⬇ CSV</button>
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<button class="btn btn-danger" onclick="clearData()">Clear</button>
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</div>
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</div>
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<div class="stats-bar">
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<span>Points:<strong id="stat-pts">0</strong></span>
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<span>Time:<strong id="stat-time">0s</strong></span>
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<span>Msgs:<strong id="stat-msgs">0</strong></span>
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<span>FPS:<strong id="stat-fps">0</strong></span>
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</div>
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<div class="graphs" id="graphs"></div>
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<script>
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// ════════════════════════════════════════════════════════
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// 상수 / 전역
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// ════════════════════════════════════════════════════════
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const DLC_LEN=[0,1,2,3,4,5,6,7,8,12,16,20,24,32,48,64];
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const MAX_PTS=300; // 차트당 최대 데이터 포인트
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const COLORS=[
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{line:'#FF6384',fill:'rgba(255,99,132,.18)'},{line:'#36A2EB',fill:'rgba(54,162,235,.18)'},
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{line:'#FFCE56',fill:'rgba(255,206,86,.18)'},{line:'#4BC0C0',fill:'rgba(75,192,192,.18)'},
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{line:'#9966FF',fill:'rgba(153,102,255,.18)'},{line:'#FF9F40',fill:'rgba(255,159,64,.18)'},
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{line:'#E74C3C',fill:'rgba(231,76,60,.18)'}, {line:'#3498DB',fill:'rgba(52,152,219,.18)'},
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{line:'#2ECC71',fill:'rgba(46,204,113,.18)'},{line:'#F39C12',fill:'rgba(243,156,18,.18)'},
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{line:'#9B59B6',fill:'rgba(155,89,182,.18)'},{line:'#1ABC9C',fill:'rgba(26,188,156,.18)'},
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{line:'#E67E22',fill:'rgba(230,126,34,.18)'},{line:'#95A5A6',fill:'rgba(149,165,166,.18)'},
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{line:'#58a6ff',fill:'rgba(88,166,255,.18)'},{line:'#43cea2',fill:'rgba(67,206,162,.18)'},
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{line:'#bc8cff',fill:'rgba(188,140,255,.18)'},{line:'#ffa657',fill:'rgba(255,166,87,.18)'},
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{line:'#f85149',fill:'rgba(248,81,73,.18)'}, {line:'#e3b341',fill:'rgba(227,179,65,.18)'}
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];
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let selectedSignals=[];
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let sortMode='selection';
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let scaleMode='index';
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let rangeMode='10s';
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let plotMode='line';
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let graphing=false;
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let startTime=0;
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let totalMsgReceived=0;
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let lastCanCounts={};
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let lastSignalTimes={};
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// ── DOM 캐시 (핫패스에서 getElementById 반복 호출 방지) ─
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let valueEls=[]; // valueEls[idx] = DOM element
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// ── 차트 배열 ──────────────────────────────────────────
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let charts=[]; // SimpleChart[]
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// ── RAF 렌더 루프 제어 ──────────────────────────────────
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let rafId=null;
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let dirty=false; // 새 데이터가 들어왔는지 (dirty=true → 다음 프레임에 draw)
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let lastFpsTime=0;
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let fpsCount=0;
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let fps=0;
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// ════════════════════════════════════════════════════════
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// ★ SimpleChart — 원형 버퍼(circular buffer) 기반
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// Array.shift() O(n) 제거 → head 포인터만 이동 O(1)
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// ════════════════════════════════════════════════════════
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class SimpleChart {
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constructor(canvas, signal, colorIndex) {
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this.canvas = canvas;
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this.ctx = canvas.getContext('2d', {alpha:false}); // alpha:false → 합성 생략
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this.signal = signal;
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this.colors = COLORS[colorIndex % COLORS.length];
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this.currentValue = NaN;
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this.currentText = '';
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// 원형 버퍼: data[head % MAX_PTS] 에 쓰고, head만 증가
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this._buf = new Float64Array(MAX_PTS); // 64bit float 타입 배열 → GC 없음
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this._tbuf = new Float64Array(MAX_PTS); // 시간 버퍼
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this._head = 0; // 다음에 쓸 인덱스 (절대값, MAX_PTS로 mod)
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this._count = 0; // 실제 저장된 포인트 수 (최대 MAX_PTS)
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this.width = 0; this.height = 0;
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this._syncCanvas();
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// ★ resize 리스너: 인스턴스별 등록 금지 → 전역 리스너 1개로 처리(아래)
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}
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// canvas 물리 픽셀 동기화
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_syncCanvas() {
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const rect = this.canvas.getBoundingClientRect();
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if (!rect.width) return;
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const dpr = window.devicePixelRatio || 1;
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this.canvas.width = rect.width * dpr;
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this.canvas.height = rect.height * dpr;
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this.ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
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this.width = rect.width;
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this.height = rect.height;
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}
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// O(1) 삽입
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push(value, time) {
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const i = this._head % MAX_PTS;
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this._buf[i] = value;
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this._tbuf[i] = time;
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this._head++;
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if (this._count < MAX_PTS) this._count++;
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this.currentValue = value;
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if (this.signal.valueTable && this.signal.valueTable[value] !== undefined)
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this.currentText = this.signal.valueTable[value];
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else
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this.currentText = '';
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}
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// 표시할 데이터 추출 (슬라이스, 복사 최소화)
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_getDisplay() {
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if (!this._count) return null;
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// all 모드 → 전체
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let n = this._count;
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if (rangeMode !== 'all' && scaleMode === 'index') {
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const N = rangeMode === '30s' ? 150 : 60;
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n = Math.min(n, N);
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}
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// 원형 버퍼에서 순서대로 추출
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const data = new Float64Array(n);
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const times = new Float64Array(n);
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const start = this._head - n;
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for (let i = 0; i < n; i++) {
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const j = (start + i) & (MAX_PTS - 1); // MAX_PTS가 2의 거듭제곱이면 mod 불필요
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// MAX_PTS=300은 2의 거듭제곱이 아니므로 % 사용
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const k = ((start + i) % MAX_PTS + MAX_PTS) % MAX_PTS;
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data[i] = this._buf[k];
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times[i] = this._tbuf[k];
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}
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// time 모드에서 시간 윈도우 필터
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if (rangeMode !== 'all' && scaleMode === 'time') {
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const wSec = rangeMode === '30s' ? 30 : 10;
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const latest = times[times.length - 1];
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const cutoff = latest - wSec;
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let fi = 0;
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while (fi < times.length && times[fi] < cutoff) fi++;
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if (fi > 0) return { data: data.subarray(fi), times: times.subarray(fi) };
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}
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return { data, times };
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}
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draw() {
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const ctx = this.ctx, W = this.width, H = this.height;
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if (!W || !H) return;
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const PAD_L=45, PAD_T=8, PAD_B=22, PAD_R=8;
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const gW = W-PAD_L-PAD_R, gH = H-PAD_T-PAD_B;
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ctx.fillStyle = '#0e1117';
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ctx.fillRect(0, 0, W, H);
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if (!this._count) {
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ctx.fillStyle = '#374151';
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ctx.font = '12px monospace';
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ctx.textAlign = 'center';
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ctx.fillText('Waiting for data...', W/2, H/2);
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return;
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}
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const disp = this._getDisplay();
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if (!disp) return;
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const { data: dd, times: dt } = disp;
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const n = dd.length;
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if (!n) return;
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// ★ Math.min/max(...spread) 대신 루프 → 스택 오버플로우 방지
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let minV = dd[0], maxV = dd[0];
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for (let i = 1; i < n; i++) {
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if (dd[i] < minV) minV = dd[i];
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if (dd[i] > maxV) maxV = dd[i];
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}
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const range = maxV - minV || 1;
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// Y 그리드
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ctx.lineWidth = 0.5;
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for (let i = 0; i <= 4; i++) {
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const y = PAD_T + (gH/4)*i;
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ctx.strokeStyle = (i===4) ? '#2d3748' : '#1a2035';
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ctx.beginPath(); ctx.moveTo(PAD_L, y); ctx.lineTo(PAD_L+gW, y); ctx.stroke();
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const v = maxV - (range/4)*i;
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let lab;
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if (this.signal.valueTable) {
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const rv = Math.round(v);
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lab = (this.signal.valueTable[rv] !== undefined)
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? String(this.signal.valueTable[rv]).substring(0, 7)
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: v.toFixed(1);
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} else {
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lab = Math.abs(v) < 100 ? v.toFixed(2) : v.toFixed(0);
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}
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ctx.fillStyle='#6b7280'; ctx.font='9px monospace'; ctx.textAlign='right';
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ctx.fillText(lab, PAD_L-3, y+3);
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}
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// X 그리드
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for (let i = 0; i <= 4; i++) {
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const x = PAD_L + (gW/4)*i;
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ctx.strokeStyle='#1a2035'; ctx.lineWidth=0.5;
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ctx.beginPath(); ctx.moveTo(x, PAD_T); ctx.lineTo(x, PAD_T+gH); ctx.stroke();
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}
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// 축선
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ctx.strokeStyle='#2d3748'; ctx.lineWidth=1;
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ctx.beginPath();
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ctx.moveTo(PAD_L, PAD_T); ctx.lineTo(PAD_L, PAD_T+gH); ctx.lineTo(PAD_L+gW, PAD_T+gH);
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ctx.stroke();
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// 좌표 변환
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let minTime=0, timeRange=1;
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if (scaleMode==='time' && n>1) {
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minTime=dt[0]; timeRange=dt[n-1]-minTime||1;
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}
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const xOf = i => {
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if (scaleMode==='time' && n>1) return PAD_L+((dt[i]-minTime)/timeRange)*gW;
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return PAD_L + (n>1 ? (i/(n-1))*gW : 0);
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};
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const yOf = v => PAD_T+gH - ((v-minV)/range)*gH;
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const lc = this.colors.line;
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// Fill
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ctx.beginPath();
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ctx.moveTo(xOf(0), PAD_T+gH);
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for (let i=0; i<n; i++) ctx.lineTo(xOf(i), yOf(dd[i]));
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ctx.lineTo(xOf(n-1), PAD_T+gH);
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ctx.closePath();
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ctx.fillStyle = this.colors.fill;
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ctx.fill();
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// Line
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if (plotMode==='line' && n>1) {
|
|
ctx.strokeStyle=lc; ctx.lineWidth=1.8; ctx.lineJoin='round';
|
|
ctx.beginPath(); ctx.moveTo(xOf(0), yOf(dd[0]));
|
|
for (let i=1; i<n; i++) ctx.lineTo(xOf(i), yOf(dd[i]));
|
|
ctx.stroke();
|
|
}
|
|
// 점 (마지막만 or scatter)
|
|
for (let i=0; i<n; i++) {
|
|
const isLast = (i===n-1);
|
|
if (plotMode==='scatter' || isLast) {
|
|
const r = isLast ? 4.5 : 2.5;
|
|
ctx.fillStyle = isLast ? '#ffffff' : lc;
|
|
ctx.strokeStyle = lc;
|
|
ctx.lineWidth = isLast ? 1.5 : 0;
|
|
ctx.beginPath();
|
|
ctx.arc(xOf(i), yOf(dd[i]), r, 0, Math.PI*2);
|
|
ctx.fill();
|
|
if (isLast) ctx.stroke();
|
|
}
|
|
}
|
|
// X 라벨
|
|
ctx.fillStyle='#6b7280'; ctx.font='9px monospace'; ctx.textAlign='center';
|
|
ctx.fillText(dt[0].toFixed(1)+'s', PAD_L, PAD_T+gH+16);
|
|
ctx.fillText(dt[n-1].toFixed(1)+'s', PAD_L+gW, PAD_T+gH+16);
|
|
if (n>4) {
|
|
const mid=Math.floor(n/2);
|
|
ctx.fillText(dt[mid].toFixed(1)+'s', PAD_L+gW*.5, PAD_T+gH+16);
|
|
}
|
|
}
|
|
|
|
clear() {
|
|
this._head=0; this._count=0;
|
|
this.currentValue=NaN; this.currentText='';
|
|
}
|
|
}
|
|
|
|
// ════════════════════════════════════════════════════════
|
|
// ★ 전역 resize 리스너 (1개만) + 디바운스
|
|
// ════════════════════════════════════════════════════════
|
|
let resizeTimer=null;
|
|
window.addEventListener('resize', () => {
|
|
clearTimeout(resizeTimer);
|
|
resizeTimer = setTimeout(() => {
|
|
charts.forEach(c => { c._syncCanvas(); });
|
|
dirty = true;
|
|
}, 150);
|
|
});
|
|
|
|
// ════════════════════════════════════════════════════════
|
|
// ★ RAF 렌더 루프 — 1프레임에 모든 차트를 한 번씩 draw
|
|
// dirty 플래그가 false면 skip (CPU 0%)
|
|
// ════════════════════════════════════════════════════════
|
|
function renderLoop(ts) {
|
|
rafId = requestAnimationFrame(renderLoop);
|
|
|
|
// FPS 계산 (매 60프레임마다 갱신)
|
|
fpsCount++;
|
|
if (ts - lastFpsTime >= 1000) {
|
|
fps = fpsCount;
|
|
fpsCount = 0;
|
|
lastFpsTime = ts;
|
|
document.getElementById('stat-fps').textContent = fps;
|
|
// 통계 갱신 (1초마다)
|
|
updateStatistics();
|
|
}
|
|
|
|
if (!dirty) return; // ★ 새 데이터 없으면 그리지 않음 → CPU 0
|
|
dirty = false;
|
|
|
|
charts.forEach(c => c.draw());
|
|
}
|
|
|
|
// ════════════════════════════════════════════════════════
|
|
// 신호 디코딩 (통합 단일 함수)
|
|
// - CAN FD 64바이트 지원
|
|
// - 실제 메시지 길이만큼만 패딩 (불필요한 64개 push 제거)
|
|
// ════════════════════════════════════════════════════════
|
|
function decodeSignal(signal, rawData) {
|
|
// rawData: Uint8Array | number[] | hex string
|
|
let bytes;
|
|
if (typeof rawData === 'string') {
|
|
const clean = rawData.replace(/\s/g,'').toUpperCase();
|
|
const len = Math.min(clean.length >> 1, 64);
|
|
bytes = new Uint8Array(len);
|
|
for (let i=0; i<len; i++)
|
|
bytes[i] = parseInt(clean.substring(i*2, i*2+2), 16) || 0;
|
|
} else {
|
|
// Array or Uint8Array
|
|
bytes = rawData;
|
|
}
|
|
|
|
const bLen = bytes.length;
|
|
let raw = 0;
|
|
|
|
if (signal.byteOrder === 'intel') {
|
|
for (let i=0; i<signal.bitLength; i++) {
|
|
const bp = signal.startBit + i;
|
|
const by = bp >> 3, bi = bp & 7;
|
|
if (by < bLen && (bytes[by] >> bi) & 1) raw |= (1 << i);
|
|
}
|
|
} else {
|
|
// Motorola
|
|
for (let i=0; i<signal.bitLength; i++) {
|
|
const bp = signal.startBit - i;
|
|
const by = bp >> 3, bi = 7 - (bp & 7);
|
|
if (by >= 0 && by < bLen && (bytes[by] >> bi) & 1)
|
|
raw |= (1 << (signal.bitLength - 1 - i));
|
|
}
|
|
}
|
|
|
|
if (signal.signed && (raw & (1 << (signal.bitLength-1)))) raw -= (1 << signal.bitLength);
|
|
return raw * signal.factor + signal.offset;
|
|
}
|
|
|
|
// ════════════════════════════════════════════════════════
|
|
// WebSocket
|
|
// ════════════════════════════════════════════════════════
|
|
let ws;
|
|
function initWebSocket() {
|
|
ws = new WebSocket('ws://' + window.location.hostname + ':81');
|
|
ws.onopen = () => updateStatus('Connected', false);
|
|
ws.onclose = () => { updateStatus('Disconnected', true); setTimeout(initWebSocket, 3000); };
|
|
ws.onmessage = e => {
|
|
if (!graphing) return;
|
|
let data;
|
|
try { data = JSON.parse(e.data); } catch { return; }
|
|
if (data.type === 'canBatch')
|
|
processCANBatch(data.messages);
|
|
else if ((data.type === 'update' || data.type === 'status') && data.messages?.length)
|
|
processCANUpdate(data.messages);
|
|
};
|
|
}
|
|
|
|
function updateStatus(text, isErr) {
|
|
const el = document.getElementById('status-pill');
|
|
if (el) { el.textContent = text; el.className = 'status' + (isErr ? ' disconnected' : ''); }
|
|
}
|
|
|
|
// ── update 타입 처리 ──────────────────────────────────
|
|
function processCANUpdate(messages) {
|
|
const elapsed = (Date.now() - startTime) / 1000;
|
|
const sorted = _sortedSignals();
|
|
|
|
for (let mi=0; mi<messages.length; mi++) {
|
|
const canMsg = messages[mi];
|
|
let msgId = canMsg.id;
|
|
if (typeof msgId === 'string') msgId = parseInt(msgId, 16) || 0;
|
|
if (msgId & 0x80000000) msgId &= 0x1FFFFFFF;
|
|
|
|
const prevCnt = lastCanCounts[msgId] || 0;
|
|
const curCnt = canMsg.count || 0;
|
|
const diff = curCnt - prevCnt;
|
|
if (diff <= 0) continue;
|
|
lastCanCounts[msgId] = curCnt;
|
|
totalMsgReceived += diff;
|
|
|
|
// ★ data → Uint8Array (변환 1회만)
|
|
let bytes;
|
|
if (Array.isArray(canMsg.data)) {
|
|
bytes = new Uint8Array(canMsg.data);
|
|
} else if (typeof canMsg.data === 'string') {
|
|
const h = canMsg.data.replace(/\s/g,'').toUpperCase();
|
|
const l = Math.min(h.length >> 1, 64);
|
|
bytes = new Uint8Array(l);
|
|
for (let i=0; i<l; i++) bytes[i] = parseInt(h.substring(i*2,i*2+2),16)||0;
|
|
} else continue;
|
|
|
|
for (let si=0; si<sorted.length; si++) {
|
|
const sig = sorted[si];
|
|
if (sig.messageId !== msgId) continue;
|
|
const chart = charts[si]; // ★ charts[] 직접 인덱싱
|
|
if (!chart) continue;
|
|
|
|
const value = decodeSignal(sig, bytes);
|
|
const key = msgId + '|' + sig.name;
|
|
const lastT = lastSignalTimes[key] || 0;
|
|
const delta = elapsed - lastT;
|
|
lastSignalTimes[key] = elapsed;
|
|
|
|
// count 만큼 데이터 보간 삽입
|
|
for (let i=0; i<diff; i++) {
|
|
chart.push(value, lastT + (delta/diff)*i);
|
|
}
|
|
|
|
// ★ DOM 캐시 사용 (getElementById 반복 호출 없음)
|
|
const el = valueEls[si];
|
|
if (el) {
|
|
el.textContent = (sig.valueTable && sig.valueTable[value] !== undefined)
|
|
? sig.valueTable[value]
|
|
: value.toFixed(2) + (sig.unit ? ' ' + sig.unit : '');
|
|
}
|
|
}
|
|
}
|
|
dirty = true; // ★ draw 요청 (RAF 루프가 처리)
|
|
}
|
|
|
|
// ── canBatch 타입 처리 ────────────────────────────────
|
|
function processCANBatch(messages) {
|
|
const elapsed = (Date.now() - startTime) / 1000;
|
|
const sorted = _sortedSignals();
|
|
totalMsgReceived += messages.length;
|
|
|
|
for (let mi=0; mi<messages.length; mi++) {
|
|
const canMsg = messages[mi];
|
|
let msgId = parseInt((canMsg.id||'').toString().replace(/0x/i,''), 16) || 0;
|
|
if (msgId & 0x80000000) msgId &= 0x1FFFFFFF;
|
|
|
|
for (let si=0; si<sorted.length; si++) {
|
|
const sig = sorted[si];
|
|
if (sig.messageId !== msgId) continue;
|
|
const chart = charts[si];
|
|
if (!chart) continue;
|
|
|
|
const value = decodeSignal(sig, canMsg.data);
|
|
chart.push(value, elapsed);
|
|
|
|
const el = valueEls[si];
|
|
if (el) {
|
|
el.textContent = (sig.valueTable && sig.valueTable[value] !== undefined)
|
|
? sig.valueTable[value]
|
|
: value.toFixed(2) + (sig.unit ? ' ' + sig.unit : '');
|
|
}
|
|
}
|
|
}
|
|
dirty = true;
|
|
}
|
|
|
|
// ════════════════════════════════════════════════════════
|
|
// 그래프 생성 / 정렬
|
|
// ════════════════════════════════════════════════════════
|
|
function _sortedSignals() {
|
|
if (sortMode === 'name-asc') return [...selectedSignals].sort((a,b)=>a.name.localeCompare(b.name));
|
|
if (sortMode === 'name-desc') return [...selectedSignals].sort((a,b)=>b.name.localeCompare(a.name));
|
|
return selectedSignals;
|
|
}
|
|
|
|
function createGraphs() {
|
|
const gd = document.getElementById('graphs');
|
|
gd.innerHTML = '';
|
|
charts = [];
|
|
valueEls = [];
|
|
|
|
const sorted = _sortedSignals();
|
|
sorted.forEach((sig, idx) => {
|
|
const ct = document.createElement('div');
|
|
ct.className = 'graph-container';
|
|
const cv = document.createElement('canvas');
|
|
cv.id = 'chart-' + idx;
|
|
const fdTag = sig.isFD ? '<span class="fd-tag">FD</span>' : '';
|
|
ct.innerHTML =
|
|
'<div class="graph-header">' +
|
|
'<div class="graph-title">' + sig.name + fdTag +
|
|
' <span style="color:#6b7280;font-size:.85em;">(0x' + sig.messageId.toString(16).toUpperCase() + ')</span>' +
|
|
(sig.unit ? ' <span style="color:#6b7280;font-size:.85em;">[' + sig.unit + ']</span>' : '') +
|
|
'</div><div class="graph-value" id="val-' + idx + '">-</div></div>';
|
|
ct.appendChild(cv);
|
|
gd.appendChild(ct);
|
|
|
|
const chart = new SimpleChart(cv, sig, idx);
|
|
charts.push(chart);
|
|
valueEls.push(document.getElementById('val-' + idx)); // ★ DOM 캐시
|
|
});
|
|
|
|
document.getElementById('graph-count').textContent = sorted.length;
|
|
dirty = true;
|
|
}
|
|
|
|
function setSortMode(mode) {
|
|
sortMode = mode;
|
|
document.querySelectorAll('[id^="btn-sort-"]').forEach(b => b.classList.remove('active'));
|
|
document.getElementById('btn-sort-' + mode)?.classList.add('active');
|
|
|
|
// 기존 데이터 보존하며 재배열
|
|
const gd = document.getElementById('graphs');
|
|
const old = charts.slice();
|
|
const origSigs = selectedSignals.slice();
|
|
const sorted = _sortedSignals();
|
|
gd.innerHTML = '';
|
|
charts = [];
|
|
valueEls = [];
|
|
|
|
sorted.forEach((sig, ni) => {
|
|
const oi = origSigs.findIndex(s => s.name===sig.name && s.messageId===sig.messageId);
|
|
const ct = document.createElement('div');
|
|
ct.className = 'graph-container';
|
|
const cv = document.createElement('canvas');
|
|
ct.innerHTML =
|
|
'<div class="graph-header">' +
|
|
'<div class="graph-title">' + sig.name +
|
|
(sig.isFD ? '<span class="fd-tag">FD</span>' : '') +
|
|
' <span style="color:#6b7280;font-size:.85em;">(0x' + sig.messageId.toString(16).toUpperCase() + ')</span>' +
|
|
(sig.unit ? ' <span style="color:#6b7280;font-size:.85em;">[' + sig.unit + ']</span>' : '') +
|
|
'</div><div class="graph-value" id="val-' + ni + '">-</div></div>';
|
|
ct.appendChild(cv);
|
|
gd.appendChild(ct);
|
|
const ch = new SimpleChart(cv, sig, ni);
|
|
if (oi >= 0 && old[oi]) {
|
|
// 버퍼 복사
|
|
ch._buf = old[oi]._buf.slice();
|
|
ch._tbuf = old[oi]._tbuf.slice();
|
|
ch._head = old[oi]._head;
|
|
ch._count = old[oi]._count;
|
|
ch.currentValue = old[oi].currentValue;
|
|
ch.currentText = old[oi].currentText;
|
|
}
|
|
charts.push(ch);
|
|
valueEls.push(document.getElementById('val-' + ni));
|
|
});
|
|
dirty = true;
|
|
}
|
|
|
|
// ════════════════════════════════════════════════════════
|
|
// 제어 함수
|
|
// ════════════════════════════════════════════════════════
|
|
function startGraphing() {
|
|
if (!graphing) {
|
|
graphing = true; startTime = Date.now();
|
|
lastCanCounts = {}; lastSignalTimes = {};
|
|
document.getElementById('btn-start').classList.add('active');
|
|
document.getElementById('btn-stop').classList.remove('active');
|
|
updateStatus('Recording', false);
|
|
}
|
|
}
|
|
function stopGraphing() {
|
|
graphing = false;
|
|
document.getElementById('btn-start').classList.remove('active');
|
|
document.getElementById('btn-stop').classList.add('active');
|
|
updateStatus('Paused', false);
|
|
}
|
|
function setScaleMode(mode) {
|
|
scaleMode = mode;
|
|
document.getElementById('btn-index-mode').classList.toggle('active', mode==='index');
|
|
document.getElementById('btn-time-mode').classList.toggle('active', mode==='time');
|
|
dirty = true;
|
|
}
|
|
function setRangeMode(mode) {
|
|
rangeMode = mode;
|
|
['10s','30s','all'].forEach(m => {
|
|
const el = document.getElementById('btn-range-'+m);
|
|
if (el) el.classList.toggle('active', m===mode);
|
|
});
|
|
dirty = true;
|
|
}
|
|
function setPlotMode(mode) {
|
|
plotMode = mode;
|
|
document.getElementById('btn-plot-line').classList.toggle('active', mode==='line');
|
|
document.getElementById('btn-plot-scatter').classList.toggle('active', mode==='scatter');
|
|
dirty = true;
|
|
}
|
|
|
|
function updateStatistics() {
|
|
let total = 0;
|
|
charts.forEach(c => total += c._count);
|
|
document.getElementById('stat-pts').textContent = total;
|
|
document.getElementById('stat-msgs').textContent = totalMsgReceived;
|
|
document.getElementById('stat-time').textContent =
|
|
graphing ? ((Date.now()-startTime)/1000).toFixed(1)+'s' : '-';
|
|
}
|
|
|
|
function clearData() {
|
|
if (!confirm('모든 기록 데이터를 삭제합니다?')) return;
|
|
charts.forEach(c => c.clear());
|
|
valueEls.forEach(el => { if (el) el.textContent = '-'; });
|
|
lastCanCounts = {}; lastSignalTimes = {};
|
|
totalMsgReceived = 0;
|
|
if (graphing) startTime = Date.now();
|
|
dirty = true;
|
|
updateStatistics();
|
|
}
|
|
|
|
function downloadCSV() {
|
|
if (!charts.length) { alert('No data!'); return; }
|
|
const sorted = _sortedSignals();
|
|
let csv = 'Time(s)';
|
|
sorted.forEach(s => {
|
|
const u = s.unit ? ' ['+s.unit+']' : '';
|
|
csv += ',' + s.name + u;
|
|
if (s.valueTable) csv += ',' + s.name + '_Text';
|
|
});
|
|
csv += '\n';
|
|
let maxLen = 0;
|
|
charts.forEach(c => { if (c._count > maxLen) maxLen = c._count; });
|
|
// 원형 버퍼에서 순서대로 읽기
|
|
for (let i=0; i<maxLen; i++) {
|
|
let row='', tv='';
|
|
sorted.forEach((s, idx) => {
|
|
const ch = charts[idx];
|
|
if (!ch || i >= ch._count) { row+=','; if (s.valueTable) row+=','; return; }
|
|
const k = ((ch._head - ch._count + i) % MAX_PTS + MAX_PTS) % MAX_PTS;
|
|
const v = ch._buf[k];
|
|
const t = ch._tbuf[k];
|
|
if (tv==='') tv = t.toFixed(3);
|
|
row += ',' + v.toFixed(6);
|
|
if (s.valueTable) {
|
|
const txt = s.valueTable[v] !== undefined ? s.valueTable[v] : '';
|
|
row += ',"' + txt + '"';
|
|
}
|
|
});
|
|
if (tv !== '') csv += tv + row + '\n';
|
|
}
|
|
const ts = new Date().toISOString().replace(/[:.]/g,'-').slice(0,-5);
|
|
const a = document.createElement('a');
|
|
a.href = URL.createObjectURL(new Blob([csv], {type:'text/csv;charset=utf-8;'}));
|
|
a.download = 'canfd_' + ts + '.csv';
|
|
document.body.appendChild(a); a.click(); document.body.removeChild(a);
|
|
}
|
|
|
|
// ════════════════════════════════════════════════════════
|
|
// localStorage 데이터 로드
|
|
// ════════════════════════════════════════════════════════
|
|
function loadData() {
|
|
try {
|
|
const sigs = localStorage.getItem('selected_signals');
|
|
const sm = localStorage.getItem('sort_mode');
|
|
if (!sigs) {
|
|
alert('신호가 선택되지 않았습니다.\n/graph 페이지에서 DBC 로드 후 신호를 선택하세요.');
|
|
window.close(); return false;
|
|
}
|
|
if (sm) sortMode = sm;
|
|
selectedSignals = JSON.parse(sigs);
|
|
return true;
|
|
} catch(e) {
|
|
alert('신호 데이터 로드 실패: ' + e.message);
|
|
window.close(); return false;
|
|
}
|
|
}
|
|
|
|
// ════════════════════════════════════════════════════════
|
|
// 진입점
|
|
// ════════════════════════════════════════════════════════
|
|
if (loadData()) {
|
|
createGraphs();
|
|
initWebSocket();
|
|
startGraphing();
|
|
requestAnimationFrame(renderLoop); // ★ RAF 루프 시작
|
|
}
|
|
</script>
|
|
</body></html>
|
|
)rawliteral";
|
|
#endif |