Add aa-graph.h

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#ifndef GRAPH_H
#define GRAPH_H
const char graph_html[] PROGMEM = R"rawliteral(
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title>CAN Signal Graph Setup - Byun Logger</title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: linear-gradient(135deg, #43cea2 0%, #185a9d 100%);
min-height: 100vh;
padding: 10px;
}
.container {
max-width: 1600px;
margin: 0 auto;
background: white;
border-radius: 15px;
box-shadow: 0 20px 60px rgba(0,0,0,0.3);
overflow: hidden;
}
.header {
background: linear-gradient(135deg, #43cea2 0%, #185a9d 100%);
color: white;
padding: 20px;
text-align: center;
}
.header h1 { font-size: 1.8em; margin-bottom: 5px; }
.header p { opacity: 0.9; font-size: 0.9em; }
.nav {
background: #2c3e50;
padding: 10px;
display: flex;
gap: 10px;
flex-wrap: wrap;
justify-content: center;
}
.nav a {
color: white;
text-decoration: none;
padding: 10px 15px;
border-radius: 5px;
transition: all 0.3s;
font-size: 0.9em;
}
.nav a:hover { background: #34495e; }
.nav a.active { background: #3498db; }
.content { padding: 15px; }
.dbc-upload {
background: #f8f9fa;
padding: 20px;
border-radius: 10px;
margin-bottom: 15px;
border: 2px solid #e0e0e0;
}
.upload-area {
border: 3px dashed #43cea2;
border-radius: 10px;
padding: 30px 20px;
text-align: center;
cursor: pointer;
transition: all 0.3s;
background: white;
}
.upload-area:hover {
background: #f0f9ff;
border-color: #185a9d;
transform: translateY(-2px);
}
.upload-area input { display: none; }
.upload-icon {
font-size: 3em;
margin-bottom: 10px;
}
.signal-selector {
background: #f8f9fa;
padding: 15px;
border-radius: 10px;
margin-bottom: 15px;
border: 2px solid #e0e0e0;
}
.search-container {
margin-bottom: 15px;
position: relative;
}
.search-box {
width: 100%;
padding: 12px 12px 12px 40px;
border: 2px solid #43cea2;
border-radius: 8px;
font-size: 0.95em;
transition: all 0.3s;
}
.search-box:focus {
outline: none;
border-color: #185a9d;
box-shadow: 0 0 0 3px rgba(67, 206, 162, 0.1);
}
.search-icon {
position: absolute;
left: 12px;
top: 50%;
transform: translateY(-50%);
color: #43cea2;
font-size: 1.2em;
}
.search-info {
margin-top: 8px;
padding: 8px 12px;
background: #e3f2fd;
border-radius: 5px;
font-size: 0.85em;
color: #185a9d;
font-weight: 600;
}
.no-results {
text-align: center;
padding: 40px 20px;
color: #666;
font-size: 0.95em;
}
.no-results-icon {
font-size: 3em;
margin-bottom: 10px;
opacity: 0.5;
}
.sort-controls {
display: flex;
gap: 10px;
margin-bottom: 15px;
align-items: center;
flex-wrap: wrap;
}
.sort-label {
font-weight: 600;
color: #333;
font-size: 0.9em;
}
.sort-btn {
padding: 8px 15px;
border: 2px solid #43cea2;
background: white;
border-radius: 5px;
font-size: 0.85em;
cursor: pointer;
transition: all 0.3s;
font-weight: 600;
}
.sort-btn:hover {
background: #f0f9ff;
transform: translateY(-2px);
}
.sort-btn.active {
background: #43cea2;
color: white;
}
.signal-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
gap: 10px;
margin-top: 15px;
}
.signal-item {
background: white;
padding: 12px;
border-radius: 8px;
border: 2px solid #ddd;
cursor: pointer;
transition: all 0.3s;
position: relative;
}
.signal-item:hover {
border-color: #43cea2;
transform: translateY(-2px);
box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.signal-item.selected {
border-color: #185a9d;
background: linear-gradient(135deg, rgba(67, 206, 162, 0.1) 0%, rgba(24, 90, 157, 0.1) 100%);
}
.signal-item.selected::before {
content: '';
position: absolute;
top: 8px;
right: 8px;
background: #185a9d;
color: white;
width: 24px;
height: 24px;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-weight: 700;
font-size: 0.9em;
}
.signal-name {
font-weight: 600;
color: #333;
margin-bottom: 5px;
font-size: 0.95em;
padding-right: 30px;
}
.signal-info {
font-size: 0.8em;
color: #666;
line-height: 1.5;
}
.signal-info-row {
margin-bottom: 3px;
}
.highlight {
background-color: #ffeb3b;
padding: 2px 0;
font-weight: 600;
}
.controls {
display: flex;
gap: 8px;
margin-bottom: 15px;
flex-wrap: wrap;
}
.btn {
padding: 10px 20px;
border: none;
border-radius: 5px;
font-size: 0.9em;
font-weight: 600;
cursor: pointer;
transition: all 0.3s;
}
.btn-primary { background: linear-gradient(135deg, #43cea2 0%, #185a9d 100%); color: white; }
.btn-success { background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%); color: white; }
.btn-danger { background: linear-gradient(135deg, #eb3349 0%, #f45c43 100%); color: white; }
.btn-secondary { background: linear-gradient(135deg, #bdc3c7 0%, #95a5a6 100%); color: white; }
.btn:hover {
transform: translateY(-2px);
box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}
h2 {
color: #333;
margin: 20px 0 15px 0;
padding-bottom: 8px;
border-bottom: 3px solid #43cea2;
font-size: 1.3em;
}
.status {
padding: 12px 15px;
border-radius: 8px;
margin-bottom: 15px;
font-size: 0.9em;
border-left: 4px solid;
}
.status.success {
background: #d4edda;
color: #155724;
border-color: #28a745;
}
.status.error {
background: #f8d7da;
color: #721c24;
border-color: #dc3545;
}
.status.info {
background: #d1ecf1;
color: #0c5460;
border-color: #17a2b8;
}
.selection-info {
background: linear-gradient(135deg, #e3f2fd 0%, #f0f9ff 100%);
padding: 15px 20px;
border-radius: 8px;
margin-bottom: 15px;
border-left: 4px solid #185a9d;
font-size: 0.95em;
color: #333;
display: flex;
justify-content: space-between;
align-items: center;
flex-wrap: wrap;
gap: 10px;
}
.selection-info strong {
color: #185a9d;
font-size: 1.1em;
}
.selection-count {
background: #185a9d;
color: white;
padding: 8px 16px;
border-radius: 20px;
font-weight: 700;
font-size: 1em;
}
.info-box {
background: linear-gradient(135deg, #e3f2fd 0%, #f0f9ff 100%);
padding: 15px 20px;
border-radius: 8px;
margin-top: 15px;
border-left: 4px solid #185a9d;
}
.info-box p {
color: #333;
font-size: 0.9em;
margin: 0;
line-height: 1.6;
}
.info-box strong {
color: #185a9d;
}
@media (max-width: 768px) {
body { padding: 5px; }
.header h1 { font-size: 1.5em; }
.content { padding: 10px; }
.signal-grid {
grid-template-columns: 1fr;
gap: 8px;
}
h2 { font-size: 1.1em; }
.controls {
flex-direction: column;
}
.btn {
width: 100%;
}
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>📊 CAN Signal Graph Setup</h1>
<p>Configure real-time signal visualization (Max 20 signals)</p>
</div>
<div class="nav">
<a href="/">📊 Monitor</a>
<a href="/transmit">📤 Transmit</a>
<a href="/graph" class="active">📈 Graph</a>
<a href="/graph-view">📊 Graph View</a>
<a href="/settings"> Settings</a>
<a href="/serial">📟 Serial</a>
</div>
<div class="content">
<div id="status" class="status" style="display:none;"></div>
<h2>📁 Upload DBC File</h2>
<div class="dbc-upload">
<div class="upload-area" onclick="document.getElementById('dbc-file').click()">
<input type="file" id="dbc-file" accept=".dbc" onchange="loadDBCFile(event)">
<div class="upload-icon">📄</div>
<p style="font-size: 1.1em; margin-bottom: 8px; font-weight: 600;">Click or Drag & Drop DBC File</p>
<p style="color: #666; font-size: 0.85em;" id="dbc-status">No file loaded</p>
</div>
</div>
<div id="signal-section" style="display:none;">
<h2>🎯 Select Signals (Max 20)</h2>
<div class="selection-info">
<div>
<strong>Selected Signals</strong>
</div>
<div class="selection-count">
<span id="selected-count">0</span> / 20
</div>
</div>
<div class="controls">
<button class="btn btn-success" onclick="startGraphing()"> Start Graph Viewer</button>
<button class="btn btn-danger" onclick="stopGraphing()"> Stop Logging</button>
<button class="btn btn-secondary" onclick="clearSelection()">🗑 Clear Selection</button>
<button class="btn btn-primary" onclick="debugDBCInfo()">🐛 Debug Info</button>
</div>
<div class="signal-selector">
<div class="search-container">
<span class="search-icon">🔍</span>
<input type="text"
id="search-box"
class="search-box"
placeholder="Search by signal name, CAN ID (hex/dec), message name, or unit..."
oninput="filterSignals()">
<div id="search-info" class="search-info" style="display:none;"></div>
</div>
<div class="sort-controls">
<span class="sort-label">📊 Sort by:</span>
<button class="sort-btn active" id="sort-selection" onclick="setSortMode('selection')">
Selection Order
</button>
<button class="sort-btn" id="sort-name-asc" onclick="setSortMode('name-asc')">
🔼 Name (AZ)
</button>
<button class="sort-btn" id="sort-name-desc" onclick="setSortMode('name-desc')">
🔽 Name (ZA)
</button>
<button class="sort-btn" id="sort-id-asc" onclick="setSortMode('id-asc')">
🔼 CAN ID
</button>
</div>
<div id="signal-list" class="signal-grid"></div>
</div>
<div class="info-box">
<p>
<strong> How to use:</strong>
</p>
<p style="margin-top: 8px;">
1. Select signals from the list above (click to toggle)<br>
2. Click <strong>"▶️ Start Graph Viewer"</strong> to open a new window<br>
3. The graph will display real-time data from the selected signals<br>
4. Your selections are automatically saved in browser storage
</p>
</div>
</div>
</div>
</div>
<script>
let ws;
let dbcData = { messages: {}, valueTables: {} };
let selectedSignals = [];
let allSignals = [];
let filteredSignals = [];
let sortMode = 'selection';
let searchQuery = '';
const MAX_SIGNALS = 20;
function initWebSocket() {
ws = new WebSocket('ws://' + window.location.hostname + ':81');
ws.onopen = function() {
console.log(' WebSocket connected');
};
ws.onclose = function() {
console.log(' WebSocket disconnected');
setTimeout(initWebSocket, 3000);
};
ws.onmessage = function(event) {
try {
const data = JSON.parse(event.data);
// 필요시 처리
} catch(e) {
console.error('Parse error:', e);
}
};
}
function loadDBCFile(event) {
const file = event.target.files[0];
if (!file) return;
showStatus('Loading DBC file: ' + file.name, 'info');
const reader = new FileReader();
reader.onload = function(e) {
const content = e.target.result;
parseDBCContent(content);
document.getElementById('dbc-status').textContent = ' ' + file.name;
saveDBCToLocalStorage(content, file.name);
};
reader.readAsText(file);
}
function saveDBCToLocalStorage(content, filename) {
try {
localStorage.setItem('dbc_content', content);
localStorage.setItem('dbc_filename', filename);
console.log(' DBC saved to localStorage:', filename);
} catch(e) {
console.error(' Failed to save DBC:', e);
showStatus('Failed to save DBC to storage', 'error');
}
}
function loadDBCFromLocalStorage() {
try {
const content = localStorage.getItem('dbc_content');
const filename = localStorage.getItem('dbc_filename');
if (content && filename) {
parseDBCContent(content);
document.getElementById('dbc-status').textContent = ' ' + filename + ' (restored)';
showStatus('DBC file restored: ' + filename, 'success');
console.log(' DBC restored:', filename);
return true;
}
} catch(e) {
console.error(' Failed to load DBC:', e);
}
return false;
}
function parseDBCContent(content) {
console.log('=== Parsing DBC File ===');
dbcData = { messages: {}, valueTables: {} };
allSignals = [];
const lines = content.split('\n');
let currentMessage = null;
// 1단계: VAL_ (Value Table) 파싱
for (let line of lines) {
line = line.trim();
if (line.startsWith('VAL_ ')) {
const match = line.match(/VAL_\s+(\d+)\s+(\w+)\s+(.+);/);
if (match) {
const msgId = parseInt(match[1]);
const sigName = match[2];
const valuesStr = match[3];
const normalizedMsgId = (msgId & 0x80000000) ? (msgId & 0x1FFFFFFF) : msgId;
const key = normalizedMsgId + '_' + sigName;
dbcData.valueTables[key] = {};
const valueMatches = valuesStr.matchAll(/(\d+)\s+"([^"]+)"/g);
for (let vm of valueMatches) {
dbcData.valueTables[key][parseInt(vm[1])] = vm[2];
}
console.log(' Value Table: ' + key, dbcData.valueTables[key]);
}
}
}
// 2단계: BO_ (Message) 및 SG_ (Signal) 파싱
for (let line of lines) {
line = line.trim();
if (line.startsWith('BO_ ')) {
const match = line.match(/BO_\s+(\d+)\s+(\w+)\s*:\s*(\d+)/);
if (match) {
let id = parseInt(match[1]);
const name = match[2];
const dlc = parseInt(match[3]);
if (id & 0x80000000) {
id = id & 0x1FFFFFFF;
}
currentMessage = {
id: id,
name: name,
dlc: dlc,
signals: []
};
dbcData.messages[id] = currentMessage;
console.log('Message: ID=' + id + ' (0x' + id.toString(16).toUpperCase() + ') Name=' + name + ' DLC=' + dlc);
}
}
else if (line.startsWith('SG_ ') && currentMessage) {
const match = line.match(/SG_\s+(\w+)\s*:\s*(\d+)\|(\d+)@([01])([+-])\s*$([^,]+),([^)]+)$\s*$$([^$$]+)$$\s*"([^"]*)"/);
if (match) {
const signalName = match[1];
const signal = {
name: signalName,
startBit: parseInt(match[2]),
bitLength: parseInt(match[3]),
byteOrder: match[4] === '0' ? 'motorola' : 'intel',
signed: match[5] === '-',
factor: parseFloat(match[6]),
offset: parseFloat(match[7]),
minMax: match[8],
unit: match[9],
messageId: currentMessage.id,
messageName: currentMessage.name,
messageDlc: currentMessage.dlc
};
const vtKey = currentMessage.id + '_' + signalName;
if (dbcData.valueTables[vtKey]) {
signal.valueTable = dbcData.valueTables[vtKey];
console.log(' Signal (with VT): ' + signalName);
} else {
console.log(' Signal: ' + signalName);
}
currentMessage.signals.push(signal);
allSignals.push(signal);
}
}
}
console.log('=== Parsing Complete ===');
console.log('Total Messages: ' + Object.keys(dbcData.messages).length);
console.log('Total Signals: ' + allSignals.length);
console.log('Total Value Tables: ' + Object.keys(dbcData.valueTables).length);
filteredSignals = [...allSignals];
displaySignals();
showStatus('DBC loaded: ' + Object.keys(dbcData.messages).length + ' messages, ' + allSignals.length + ' signals', 'success');
}
function filterSignals() {
searchQuery = document.getElementById('search-box').value.toLowerCase().trim();
if (searchQuery === '') {
filteredSignals = [...allSignals];
document.getElementById('search-info').style.display = 'none';
} else {
filteredSignals = allSignals.filter(signal => {
const nameMatch = signal.name.toLowerCase().includes(searchQuery);
const idDecMatch = signal.messageId.toString().includes(searchQuery);
const idHex = signal.messageId.toString(16).toLowerCase();
const idHexMatch = idHex.includes(searchQuery) || idHex.includes(searchQuery.replace('0x', ''));
const msgNameMatch = signal.messageName.toLowerCase().includes(searchQuery);
const unitMatch = signal.unit && signal.unit.toLowerCase().includes(searchQuery);
return nameMatch || idDecMatch || idHexMatch || msgNameMatch || unitMatch;
});
const searchInfo = document.getElementById('search-info');
searchInfo.textContent = '🔍 Showing ' + filteredSignals.length + ' of ' + allSignals.length + ' signals';
searchInfo.style.display = 'block';
}
displaySignals();
}
function highlightText(text, query) {
if (!query) return text;
const regex = new RegExp('(' + query.replace(/[.*+?^${}()|[$$\$$/g, '\\$&') + ')', 'gi');
return text.replace(regex, '<span class="highlight">$1</span>');
}
function setSortMode(mode) {
sortMode = mode;
document.querySelectorAll('.sort-btn').forEach(btn => btn.classList.remove('active'));
document.getElementById('sort-' + mode).classList.add('active');
displaySignals();
console.log('Sort mode:', mode);
}
function sortSignals(signals) {
if (sortMode === 'name-asc') {
return signals.sort((a, b) => a.name.localeCompare(b.name));
} else if (sortMode === 'name-desc') {
return signals.sort((a, b) => b.name.localeCompare(a.name));
} else if (sortMode === 'id-asc') {
return signals.sort((a, b) => a.messageId - b.messageId);
} else {
const selected = signals.filter(s => isSignalSelected(s));
const notSelected = signals.filter(s => !isSignalSelected(s));
return [...selected, ...notSelected];
}
}
function isSignalSelected(signal) {
return selectedSignals.some(s =>
s.messageId === signal.messageId && s.name === signal.name);
}
function displaySignals() {
const signalList = document.getElementById('signal-list');
signalList.innerHTML = '';
const sortedSignals = sortSignals([...filteredSignals]);
if (sortedSignals.length === 0) {
signalList.innerHTML =
'<div class="no-results">' +
'<div class="no-results-icon">🔍</div>' +
'<div><strong>No signals found</strong></div>' +
'<div style="margin-top: 8px; color: #999;">Try a different search term</div>' +
'</div>';
return;
}
sortedSignals.forEach(signal => {
const item = document.createElement('div');
item.className = 'signal-item';
if (isSignalSelected(signal)) {
item.classList.add('selected');
}
item.onclick = () => toggleSignal(signal, item);
const canIdHex = '0x' + signal.messageId.toString(16).toUpperCase().padStart(3, '0');
const canIdDec = signal.messageId;
const highlightedName = highlightText(signal.name, searchQuery);
const highlightedId = highlightText(canIdHex, searchQuery);
const highlightedMsgName = highlightText(signal.messageName, searchQuery);
const unitText = signal.unit ? highlightText(signal.unit, searchQuery) : 'no unit';
item.innerHTML =
'<div class="signal-name">' + highlightedName + '</div>' +
'<div class="signal-info">' +
'<div class="signal-info-row">📍 CAN ID: ' + highlightedId + ' (' + canIdDec + ')</div>' +
'<div class="signal-info-row">📦 Message: ' + highlightedMsgName + '</div>' +
'<div class="signal-info-row">📊 Bit: ' + signal.startBit + '|' + signal.bitLength + ' | Unit: ' + unitText + '</div>' +
'</div>';
signalList.appendChild(item);
});
document.getElementById('signal-section').style.display = 'block';
updateSelectionCount();
}
function updateSelectionCount() {
document.getElementById('selected-count').textContent = selectedSignals.length;
}
function toggleSignal(signal, element) {
const index = selectedSignals.findIndex(s =>
s.messageId === signal.messageId && s.name === signal.name);
if (index >= 0) {
selectedSignals.splice(index, 1);
element.classList.remove('selected');
} else {
if (selectedSignals.length >= MAX_SIGNALS) {
showStatus(' Maximum ' + MAX_SIGNALS + ' signals allowed!', 'error');
return;
}
selectedSignals.push(signal);
element.classList.add('selected');
}
updateSelectionCount();
saveSelectedSignals();
if (sortMode === 'selection') {
displaySignals();
}
}
function clearSelection() {
selectedSignals = [];
document.querySelectorAll('.signal-item').forEach(item => {
item.classList.remove('selected');
});
updateSelectionCount();
saveSelectedSignals();
if (sortMode === 'selection') {
displaySignals();
}
showStatus('Selection cleared', 'info');
}
function saveSelectedSignals() {
try {
localStorage.setItem('selected_signals', JSON.stringify(selectedSignals));
localStorage.setItem('sort_mode', sortMode);
console.log(' Saved ' + selectedSignals.length + ' signals');
} catch(e) {
console.error(' Failed to save signals:', e);
}
}
function loadSelectedSignals() {
try {
const saved = localStorage.getItem('selected_signals');
const savedSortMode = localStorage.getItem('sort_mode');
if (savedSortMode) {
sortMode = savedSortMode;
document.querySelectorAll('.sort-btn').forEach(btn => btn.classList.remove('active'));
const btn = document.getElementById('sort-' + sortMode);
if (btn) btn.classList.add('active');
}
if (saved) {
const signals = JSON.parse(saved);
signals.forEach(savedSignal => {
for (let msgId in dbcData.messages) {
const msg = dbcData.messages[msgId];
const signal = msg.signals.find(s =>
s.messageId === savedSignal.messageId && s.name === savedSignal.name);
if (signal) {
selectedSignals.push(signal);
break;
}
}
});
displaySignals();
if (selectedSignals.length > 0) {
showStatus(' Restored ' + selectedSignals.length + ' selected signals', 'success');
}
}
} catch(e) {
console.error(' Failed to load signals:', e);
}
}
function startGraphing() {
if (selectedSignals.length === 0) {
showStatus(' Please select at least one signal!', 'error');
return;
}
saveSelectedSignals();
const width = 1400;
const height = 900;
const left = (screen.width - width) / 2;
const top = (screen.height - height) / 2;
window.open(
'/graph-view',
'CAN_Graph_Viewer',
'width=' + width + ',height=' + height + ',left=' + left + ',top=' + top + ',resizable=yes,scrollbars=yes'
);
showStatus(' Graph viewer opened in new window', 'success');
}
function stopGraphing() {
showStatus(' Use the stop button in the graph viewer window', 'info');
}
function debugDBCInfo() {
console.log('=== DBC Debug Info ===');
console.log('Messages:', Object.keys(dbcData.messages).length);
console.log('Signals:', allSignals.length);
console.log('Value Tables:', Object.keys(dbcData.valueTables).length);
console.log('Selected Signals:', selectedSignals.length);
console.log('\n=== Messages ===');
Object.values(dbcData.messages).forEach(msg => {
console.log('ID: 0x' + msg.id.toString(16).toUpperCase() + ' | ' + msg.name + ' | Signals: ' + msg.signals.length);
});
console.log('\n=== Selected Signals ===');
selectedSignals.forEach((sig, idx) => {
console.log((idx + 1) + '. ' + sig.name + ' (ID: 0x' + sig.messageId.toString(16).toUpperCase() + ')');
});
showStatus(' Debug info printed to console (F12)', 'info');
}
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);
}
// Drag & Drop
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 = 'white';
});
});
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);
} else {
showStatus(' Please drop a .dbc file', 'error');
}
});
// 페이지 로드 시 복원
window.addEventListener('load', function() {
if (loadDBCFromLocalStorage()) {
setTimeout(() => loadSelectedSignals(), 100);
}
});
initWebSocket();
</script>
</body>
</html>
)rawliteral";
#endif