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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</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; }
.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;
}
.upload-area {
border: 3px dashed #43cea2;
border-radius: 10px;
padding: 30px 20px;
text-align: center;
cursor: pointer;
transition: all 0.3s;
}
.upload-area:hover { background: #f0f9ff; border-color: #185a9d; }
.upload-area input { display: none; }
.signal-selector {
background: #f8f9fa;
padding: 15px;
border-radius: 10px;
margin-bottom: 15px;
}
.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(200px, 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;
}
.signal-item:hover { border-color: #43cea2; transform: translateY(-2px); }
.signal-item.selected { border-color: #185a9d; background: #e3f2fd; }
.signal-name { font-weight: 600; color: #333; margin-bottom: 5px; font-size: 0.9em; }
.signal-info { font-size: 0.8em; color: #666; line-height: 1.4; }
.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: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; background: #fff3cd; border-radius: 5px; margin-bottom: 15px; font-size: 0.9em; }
.status.success { background: #d4edda; color: #155724; }
.status.error { background: #f8d7da; color: #721c24; }
.selection-info {
background: #e3f2fd;
padding: 12px 15px;
border-radius: 8px;
margin-bottom: 15px;
border-left: 4px solid #185a9d;
font-size: 0.9em;
color: #333;
}
.selection-info 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; }
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>CAN Signal Graph</h1>
<p>Real-time Signal Visualization (Offline Mode)</p>
</div>
<div class="nav">
<a href="/">Monitor</a>
<a href="/transmit">Transmit</a>
<a href="/graph" class="active">Graph</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)">
<p style="font-size: 1.1em; margin-bottom: 8px;">Click to upload DBC</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">
<strong>Selected: <span id="selected-count">0</span> / 20</strong>
</div>
<div class="controls">
<button class="btn btn-success" onclick="startGraphing()">Start</button>
<button class="btn btn-danger" onclick="stopGraphing()">Stop</button>
<button class="btn btn-primary" onclick="clearSelection()">Clear</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, 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>
</div>
<div id="signal-list" class="signal-grid"></div>
</div>
<div style="background: #e3f2fd; padding: 15px; border-radius: 8px; margin-top: 15px; border-left: 4px solid #185a9d;">
<p style="color: #333; font-size: 0.9em; margin: 0;">
<strong> Info:</strong> Click "Start" to open a new window with real-time graphs.
Your selected signals will be saved automatically.
</p>
</div>
</div>
</div>
</div>
<script>
let ws;
let dbcData = {};
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');
showStatus('Connected', 'success');
};
ws.onclose = function() {
console.log('WebSocket disconnected');
showStatus('Disconnected - Reconnecting...', 'error');
setTimeout(initWebSocket, 3000);
};
ws.onmessage = function(event) {
try {
const data = JSON.parse(event.data);
} catch(e) {
console.error('Error parsing WebSocket data:', e);
}
};
}
function loadDBCFile(event) {
const file = event.target.files[0];
if (!file) return;
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 to localStorage:', e);
}
}
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 from localStorage:', filename);
return true;
}
} catch(e) {
console.error('Failed to load DBC from localStorage:', e);
}
return false;
}
function parseDBCContent(content) {
dbcData = {messages: {}, valueTables: {}};
allSignals = [];
const lines = content.split('\n');
let currentMessage = null;
// 먼저 VAL_ 정의를 파싱
for (let line of lines) {
line = line.trim();
if (line.startsWith('VAL_ ')) {
// VAL_ 형식: VAL_ <MessageID> <SignalName> <value> "<text>" ...;
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];
// Extended CAN ID 처리
const normalizedMsgId = (msgId & 0x80000000) ? (msgId & 0x1FFFFFFF) : msgId;
const key = normalizedMsgId + '_' + sigName;
dbcData.valueTables[key] = {};
// 값-텍스트 쌍 파싱
const valueMatches = valuesStr.matchAll(/(\d+)\s+"([^"]+)"/g);
for (let vm of valueMatches) {
dbcData.valueTables[key][parseInt(vm[1])] = vm[2];
}
console.log('Parsed Value Table: ' + key, dbcData.valueTables[key]);
}
}
}
// 메시지와 시그널 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('Parsed 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
};
// Value Table 연결
const vtKey = currentMessage.id + '_' + signalName;
if (dbcData.valueTables[vtKey]) {
signal.valueTable = dbcData.valueTables[vtKey];
console.log(' Signal with value table: ' + signalName, signal.valueTable);
}
currentMessage.signals.push(signal);
allSignals.push(signal);
console.log(' Signal: ' + signal.name + ' [' + signal.startBit + '|' + signal.bitLength + '] Unit: ' + signal.unit);
}
}
}
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 changed to:', 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 {
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 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">' +
'CAN ID: ' + highlightedId + ' (' + highlightedMsgName + ')<br>' +
'Bit: ' + signal.startBit + '|' + signal.bitLength + ' | ' + unitText +
'</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('Max ' + MAX_SIGNALS + ' signals!', '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();
}
}
function saveSelectedSignals() {
try {
localStorage.setItem('selected_signals', JSON.stringify(selectedSignals));
localStorage.setItem('sort_mode', sortMode);
console.log('Saved', selectedSignals.length, 'signals with sort mode:', sortMode);
} catch(e) {
console.error('Failed to save selected 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'));
document.getElementById('sort-' + sortMode).classList.add('active');
}
if (saved) {
const signals = JSON.parse(saved);
signals.forEach(savedSignal => {
let found = false;
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);
found = true;
break;
}
}
});
displaySignals();
if (selectedSignals.length > 0) {
showStatus('Restored ' + selectedSignals.length + ' selected signals', 'success');
}
}
} catch(e) {
console.error('Failed to load selected signals:', e);
}
}
function startGraphing() {
if (selectedSignals.length === 0) {
showStatus('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', 'error');
}
function debugDBCInfo() {
console.log('=== DBC Debug Info ===');
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);
console.log('\n=== Value Tables ===');
for (let key in dbcData.valueTables) {
console.log(key + ':', dbcData.valueTables[key]);
}
console.log('\n=== Messages ===');
Object.values(dbcData.messages).forEach(msg => {
console.log('\nMessage: ' + msg.name);
console.log(' ID: ' + msg.id + ' (0x' + msg.id.toString(16).toUpperCase() + ')');
console.log(' DLC: ' + msg.dlc);
console.log(' Signals: ' + msg.signals.length);
msg.signals.forEach(sig => {
console.log(' - ' + sig.name + ': ' + sig.startBit + '|' + sig.bitLength + ' [' + sig.unit + ']');
if (sig.valueTable) {
console.log(' Value Table:', sig.valueTable);
}
});
});
showStatus('Debug info printed to console (F12)', 'success');
}
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

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graph_viewer.h Normal file
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#ifndef GRAPH_VIEWER_H
#define GRAPH_VIEWER_H
const char graph_viewer_html[] PROGMEM = R"rawliteral(
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CAN Signal Graph Viewer</title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: #1a1a1a;
color: white;
overflow-x: hidden;
}
.header {
background: linear-gradient(135deg, #43cea2 0%, #185a9d 100%);
padding: 15px;
text-align: center;
box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.header h1 { font-size: 1.5em; }
.header p { font-size: 0.9em; opacity: 0.9; margin-top: 5px; }
.controls {
background: #2a2a2a;
padding: 10px 15px;
display: flex;
gap: 10px;
justify-content: center;
flex-wrap: wrap;
box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}
.control-group {
display: flex;
gap: 10px;
align-items: center;
}
.control-label {
font-size: 0.85em;
color: #aaa;
}
.btn {
padding: 8px 20px;
border: none;
border-radius: 5px;
font-size: 0.9em;
font-weight: 600;
cursor: pointer;
transition: all 0.3s;
}
.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-info { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; }
.btn-warning { background: linear-gradient(135deg, #f2994a 0%, #f2c94c 100%); color: white; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0,0,0,0.3); }
.btn.active {
box-shadow: inset 0 3px 5px rgba(0,0,0,0.3);
transform: translateY(0);
}
.graphs {
padding: 15px;
display: grid;
grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
gap: 15px;
}
.graph-container {
background: #2a2a2a;
padding: 15px;
border-radius: 10px;
border: 2px solid #3a3a3a;
}
.graph-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 10px;
padding-bottom: 8px;
border-bottom: 2px solid #43cea2;
}
.graph-title {
font-size: 1em;
font-weight: 600;
color: #43cea2;
}
.graph-value {
font-size: 1.2em;
font-weight: 700;
color: #38ef7d;
font-family: 'Courier New', monospace;
}
canvas {
width: 100%;
height: 250px;
border: 1px solid #3a3a3a;
border-radius: 5px;
background: #1a1a1a;
}
.status {
position: fixed;
top: 10px;
right: 10px;
padding: 10px 15px;
border-radius: 5px;
background: #2a2a2a;
border: 2px solid #43cea2;
font-size: 0.9em;
z-index: 1000;
}
.status.disconnected {
border-color: #eb3349;
background: #3a2a2a;
}
@media (max-width: 768px) {
.graphs { grid-template-columns: 1fr; }
canvas { height: 200px; }
}
</style>
</head>
<body>
<div class="header">
<h1>Real-time CAN Signal Graphs (Scatter Mode)</h1>
<p>Viewing <span id="graph-count">0</span> signals</p>
</div>
<div class="controls">
<div class="control-group">
<button class="btn btn-success" onclick="startGraphing()">Start</button>
<button class="btn btn-danger" onclick="stopGraphing()">Stop</button>
<button class="btn btn-danger" onclick="window.close()">Close</button>
</div>
<div class="control-group">
<span class="control-label">X-Axis Scale:</span>
<button class="btn btn-info active" id="btn-index-mode" onclick="setScaleMode('index')">Index</button>
<button class="btn btn-info" id="btn-time-mode" onclick="setScaleMode('time')">Time-Based</button>
</div>
<div class="control-group">
<span class="control-label">X-Axis Range:</span>
<button class="btn btn-warning active" id="btn-range-10s" onclick="setRangeMode('10s')">10s Window</button>
<button class="btn btn-warning" id="btn-range-all" onclick="setRangeMode('all')">All Time</button>
</div>
<div class="control-group">
<span class="control-label">Sort by:</span>
<button class="btn btn-info active" id="btn-sort-selection" onclick="setSortMode('selection')">Selection Order</button>
<button class="btn btn-info" id="btn-sort-name-asc" onclick="setSortMode('name-asc')">Name (AZ)</button>
<button class="btn btn-info" id="btn-sort-name-desc" onclick="setSortMode('name-desc')">Name (ZA)</button>
</div>
<div class="control-group">
<button class="btn btn-success" onclick="downloadCSV()" style="background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);">
📥 Download CSV
</button>
<button class="btn btn-danger" onclick="clearData()" style="background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);">
🗑 Clear Data
</button>
</div>
</div>
<div class="status" id="status">Connecting...</div>
<div style="padding: 10px 15px; background: #2a2a2a; color: #aaa; font-size: 0.85em; display: flex; justify-content: space-between; align-items: center;">
<span>Data Points: <strong id="data-point-count" style="color: #43cea2;">0</strong></span>
<span>Recording Time: <strong id="recording-time" style="color: #43cea2;">0s</strong></span>
<span>Messages Received: <strong id="msg-received" style="color: #43cea2;">0</strong></span>
</div>
<div class="graphs" id="graphs"></div>
<script>
let ws;
let charts = {};
let graphing = false;
let startTime = 0;
let selectedSignals = [];
let dbcData = {};
let lastTimestamps = {};
let sortMode = 'selection';
const MAX_DATA_POINTS = 60;
let scaleMode = 'index';
let rangeMode = '10s';
let totalMsgReceived = 0;
let lastCanCounts = {}; // ★ 각 CAN ID별 마지막 count 저장
const COLORS = [
{line: '#FF6384', fill: 'rgba(255, 99, 132, 0.2)'},
{line: '#36A2EB', fill: 'rgba(54, 162, 235, 0.2)'},
{line: '#FFCE56', fill: 'rgba(255, 206, 86, 0.2)'},
{line: '#4BC0C0', fill: 'rgba(75, 192, 192, 0.2)'},
{line: '#9966FF', fill: 'rgba(153, 102, 255, 0.2)'},
{line: '#FF9F40', fill: 'rgba(255, 159, 64, 0.2)'},
{line: '#FF6384', fill: 'rgba(255, 99, 132, 0.2)'},
{line: '#4BC0C0', fill: 'rgba(75, 192, 192, 0.2)'},
{line: '#FFCE56', fill: 'rgba(255, 206, 86, 0.2)'},
{line: '#9966FF', fill: 'rgba(153, 102, 255, 0.2)'},
{line: '#36A2EB', fill: 'rgba(54, 162, 235, 0.2)'},
{line: '#FF9F40', fill: 'rgba(255, 159, 64, 0.2)'},
{line: '#E74C3C', fill: 'rgba(231, 76, 60, 0.2)'},
{line: '#3498DB', fill: 'rgba(52, 152, 219, 0.2)'},
{line: '#2ECC71', fill: 'rgba(46, 204, 113, 0.2)'},
{line: '#F39C12', fill: 'rgba(243, 156, 18, 0.2)'},
{line: '#9B59B6', fill: 'rgba(155, 89, 182, 0.2)'},
{line: '#1ABC9C', fill: 'rgba(26, 188, 156, 0.2)'},
{line: '#E67E22', fill: 'rgba(230, 126, 34, 0.2)'},
{line: '#95A5A6', fill: 'rgba(149, 165, 166, 0.2)'}
];
class SimpleChart {
constructor(canvas, signal, colorIndex) {
this.canvas = canvas;
this.ctx = canvas.getContext('2d');
this.signal = signal;
this.data = [];
this.times = [];
this.labels = [];
this.rawValues = [];
this.colors = COLORS[colorIndex % COLORS.length];
this.currentValue = 0;
this.currentText = '';
this.resizeCanvas();
window.addEventListener('resize', () => this.resizeCanvas());
}
resizeCanvas() {
const rect = this.canvas.getBoundingClientRect();
this.canvas.width = rect.width * window.devicePixelRatio;
this.canvas.height = rect.height * window.devicePixelRatio;
this.ctx.scale(window.devicePixelRatio, window.devicePixelRatio);
this.width = rect.width;
this.height = rect.height;
this.draw();
}
addData(value, time) {
this.data.push(value);
this.times.push(parseFloat(time));
this.labels.push(time);
this.rawValues.push(value);
this.currentValue = value;
if (this.signal.valueTable && this.signal.valueTable[value] !== undefined) {
this.currentText = this.signal.valueTable[value];
} else {
this.currentText = '';
}
if (scaleMode === 'index' && this.data.length > MAX_DATA_POINTS) {
this.data.shift();
this.times.shift();
this.labels.shift();
this.rawValues.shift();
}
this.draw();
}
getValueText(value) {
if (this.signal.valueTable && this.signal.valueTable[value] !== undefined) {
return this.signal.valueTable[value];
}
return value.toFixed(2);
}
draw() {
if (this.data.length === 0) return;
const ctx = this.ctx;
const padding = 40;
const graphWidth = this.width - padding * 2;
const graphHeight = this.height - padding * 2;
ctx.clearRect(0, 0, this.width, this.height);
let displayData = [];
let displayTimes = [];
let displayLabels = [];
if (rangeMode === '10s') {
const currentTime = this.times[this.times.length - 1];
for (let i = 0; i < this.times.length; i++) {
if (currentTime - this.times[i] <= 10) {
displayData.push(this.data[i]);
displayTimes.push(this.times[i]);
displayLabels.push(this.labels[i]);
}
}
} else {
displayData = [...this.data];
displayTimes = [...this.times];
displayLabels = [...this.labels];
}
if (displayData.length === 0) return;
const minValue = Math.min(...displayData);
const maxValue = Math.max(...displayData);
const range = maxValue - minValue || 1;
let minTime, maxTime, timeRange;
if (scaleMode === 'time') {
minTime = displayTimes[0];
maxTime = displayTimes[displayTimes.length - 1];
timeRange = maxTime - minTime || 1;
}
ctx.strokeStyle = '#444';
ctx.lineWidth = 1;
ctx.beginPath();
ctx.moveTo(padding, padding);
ctx.lineTo(padding, this.height - padding);
ctx.lineTo(this.width - padding, this.height - padding);
ctx.stroke();
ctx.fillStyle = '#aaa';
ctx.font = '11px Arial';
ctx.textAlign = 'right';
if (this.signal.valueTable) {
const uniqueValues = [...new Set(displayData)].sort((a, b) => a - b);
if (uniqueValues.length <= 5) {
uniqueValues.forEach((val, idx) => {
const y = this.height - padding - ((val - minValue) / range) * graphHeight;
const text = this.getValueText(val);
ctx.fillText(text, padding - 5, y + 5);
});
} else {
ctx.fillText(this.getValueText(maxValue), padding - 5, padding + 5);
ctx.fillText(this.getValueText(minValue), padding - 5, this.height - padding);
}
} else {
ctx.fillText(maxValue.toFixed(2), padding - 5, padding + 5);
ctx.fillText(minValue.toFixed(2), padding - 5, this.height - padding);
}
ctx.textAlign = 'center';
ctx.fillStyle = '#aaa';
ctx.font = '10px Arial';
if (displayLabels.length > 0) {
ctx.fillText(displayLabels[0] + 's', padding, this.height - padding + 15);
if (displayLabels.length > 1) {
const lastIdx = displayLabels.length - 1;
let xPos;
if (scaleMode === 'time') {
xPos = this.width - padding;
} else {
xPos = padding + (graphWidth / (MAX_DATA_POINTS - 1)) * Math.min(lastIdx, MAX_DATA_POINTS - 1);
}
ctx.fillText(displayLabels[lastIdx] + 's', xPos, this.height - padding + 15);
}
}
ctx.fillText('Time (sec)', this.width / 2, this.height - 5);
ctx.strokeStyle = '#333';
ctx.lineWidth = 1;
for (let i = 1; i < 5; i++) {
const y = padding + (graphHeight / 5) * i;
ctx.beginPath();
ctx.moveTo(padding, y);
ctx.lineTo(this.width - padding, y);
ctx.stroke();
}
if (displayData.length < 1) return;
ctx.fillStyle = this.colors.line;
for (let i = 0; i < displayData.length; i++) {
let x;
if (scaleMode === 'time') {
const timePos = (displayTimes[i] - minTime) / timeRange;
x = padding + graphWidth * timePos;
} else {
x = padding + (graphWidth / (MAX_DATA_POINTS - 1)) * i;
}
const y = this.height - padding - ((displayData[i] - minValue) / range) * graphHeight;
ctx.beginPath();
ctx.arc(x, y, 5, 0, Math.PI * 2);
ctx.fill();
ctx.strokeStyle = '#fff';
ctx.lineWidth = 1;
ctx.stroke();
}
}
}
function initWebSocket() {
const hostname = window.location.hostname;
ws = new WebSocket('ws://' + hostname + ':81');
ws.onopen = function() {
console.log('WebSocket connected');
updateStatus('Connected', false);
};
ws.onclose = function() {
console.log('WebSocket disconnected');
updateStatus('Disconnected', true);
setTimeout(initWebSocket, 3000);
};
ws.onmessage = function(event) {
try {
const data = JSON.parse(event.data);
// ★★★ 핵심 수정: 'update' 타입도 처리
if (graphing) {
if (data.type === 'canBatch') {
processCANData(data.messages);
} else if (data.type === 'update' || data.type === 'status') {
// 서버가 보내는 update 타입의 messages 배열 처리
if (data.messages && data.messages.length > 0) {
processCANDataFromUpdate(data.messages);
}
}
}
} catch(e) {
console.error('Error:', e);
}
};
}
function updateStatus(text, isError) {
const status = document.getElementById('status');
status.textContent = text;
status.className = 'status' + (isError ? ' disconnected' : '');
}
function loadData() {
try {
const signals = localStorage.getItem('selected_signals');
const dbc = localStorage.getItem('dbc_content');
const savedSortMode = localStorage.getItem('sort_mode');
if (!signals || !dbc) {
alert('No signals selected. Please select signals first.');
window.close();
return false;
}
if (savedSortMode) {
sortMode = savedSortMode;
}
selectedSignals = JSON.parse(signals);
dbcData = {messages: {}};
selectedSignals.forEach(sig => {
if (!dbcData.messages[sig.messageId]) {
dbcData.messages[sig.messageId] = {
id: sig.messageId,
signals: []
};
}
dbcData.messages[sig.messageId].signals.push(sig);
});
console.log('Loaded', selectedSignals.length, 'signals');
selectedSignals.forEach(sig => {
if (sig.valueTable) {
console.log('Signal with Value Table:', sig.name, sig.valueTable);
}
});
return true;
} catch(e) {
console.error('Failed to load data:', e);
alert('Failed to load signal data');
window.close();
return false;
}
}
function sortSignalsForDisplay() {
if (sortMode === 'name-asc') {
return [...selectedSignals].sort((a, b) => a.name.localeCompare(b.name));
} else if (sortMode === 'name-desc') {
return [...selectedSignals].sort((a, b) => b.name.localeCompare(a.name));
} else {
return selectedSignals;
}
}
function setSortMode(mode) {
sortMode = mode;
document.querySelectorAll('[id^="btn-sort-"]').forEach(btn => btn.classList.remove('active'));
document.getElementById('btn-sort-' + mode).classList.add('active');
createGraphs();
console.log('Sort mode changed to:', mode);
}
function createGraphs() {
const graphsDiv = document.getElementById('graphs');
graphsDiv.innerHTML = '';
charts = {};
const sortedSignals = sortSignalsForDisplay();
sortedSignals.forEach((signal, index) => {
const container = document.createElement('div');
container.className = 'graph-container';
const canvas = document.createElement('canvas');
canvas.id = 'chart-' + index;
container.innerHTML =
'<div class="graph-header">' +
'<div class="graph-title">' + signal.name + ' (0x' + signal.messageId.toString(16).toUpperCase() + ')' +
(signal.unit ? ' [' + signal.unit + ']' : '') + '</div>' +
'<div class="graph-value" id="value-' + index + '">-</div>' +
'</div>';
container.appendChild(canvas);
graphsDiv.appendChild(container);
charts[index] = new SimpleChart(canvas, signal, index);
});
document.getElementById('graph-count').textContent = sortedSignals.length;
}
function startGraphing() {
if (!graphing) {
graphing = true;
startTime = Date.now();
lastTimestamps = {};
updateStatus('Graphing...', false);
console.log('Started graphing at', new Date().toISOString());
}
}
function stopGraphing() {
graphing = false;
updateStatus('Stopped', false);
console.log('Stopped graphing');
}
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');
Object.values(charts).forEach(chart => chart.draw());
console.log('Scale mode changed to:', mode);
}
function setRangeMode(mode) {
rangeMode = mode;
document.getElementById('btn-range-10s').classList.toggle('active', mode === '10s');
document.getElementById('btn-range-all').classList.toggle('active', mode === 'all');
Object.values(charts).forEach(chart => chart.draw());
console.log('Range mode changed to:', mode);
}
// ★★★ 새로운 함수: update 타입 메시지 처리
// 서버가 보내는 형식: {id: 숫자, dlc: 숫자, data: [배열], count: 숫자}
// ★★★ count가 증가한 경우에만 그래프에 데이터 추가
function processCANDataFromUpdate(messages) {
const elapsedTime = ((Date.now() - startTime) / 1000).toFixed(1);
const sortedSignals = sortSignalsForDisplay();
let processedCount = 0;
messages.forEach(canMsg => {
// id가 숫자로 오는 경우 처리
let msgId = canMsg.id;
if (typeof msgId === 'string') {
msgId = parseInt(msgId.replace('0x', ''), 16);
}
// Extended CAN ID 처리 (bit 31 제거)
if (msgId & 0x80000000) {
msgId = msgId & 0x1FFFFFFF;
}
// ★ count가 증가한 경우에만 처리 (새로운 CAN 메시지가 있을 때만)
const prevCount = lastCanCounts[msgId] || 0;
const currentCount = canMsg.count || 0;
if (currentCount <= prevCount) {
// count가 증가하지 않았으면 스킵
return;
}
// count 업데이트
lastCanCounts[msgId] = currentCount;
totalMsgReceived++;
// data가 배열로 오는 경우 HEX 문자열로 변환
let hexData = '';
if (Array.isArray(canMsg.data)) {
hexData = canMsg.data.map(b => b.toString(16).padStart(2, '0')).join('');
} else if (typeof canMsg.data === 'string') {
hexData = canMsg.data.replace(/\s/g, '');
}
sortedSignals.forEach((signal, index) => {
if (signal.messageId === msgId && charts[index]) {
try {
const value = decodeSignalFromHex(signal, hexData);
charts[index].addData(value, elapsedTime);
const valueDiv = document.getElementById('value-' + index);
if (valueDiv) {
if (signal.valueTable && signal.valueTable[value] !== undefined) {
valueDiv.textContent = signal.valueTable[value];
} else {
valueDiv.textContent = value.toFixed(2) + (signal.unit ? ' ' + signal.unit : '');
}
}
processedCount++;
} catch(e) {
console.error('Error decoding signal ' + signal.name + ':', e);
}
}
});
});
if (processedCount > 0) {
console.log('Added', processedCount, 'new data points from update');
}
updateStatistics();
}
// 기존 canBatch 처리 함수 (문자열 형식 데이터용)
function processCANData(messages) {
const elapsedTime = ((Date.now() - startTime) / 1000).toFixed(1);
const sortedSignals = sortSignalsForDisplay();
console.log('Processing', messages.length, 'messages at time', elapsedTime + 's');
let processedCount = 0;
totalMsgReceived += messages.length;
messages.forEach(canMsg => {
const idStr = (canMsg.id || '').toString().replace(/\s/g, '').toUpperCase();
let msgId = parseInt(idStr.replace('0X', ''), 16);
if (msgId & 0x80000000) {
msgId = msgId & 0x1FFFFFFF;
}
const timestamp = canMsg.timestamp;
sortedSignals.forEach((signal, index) => {
if (signal.messageId === msgId && charts[index]) {
try {
const value = decodeSignal(signal, canMsg.data);
charts[index].addData(value, elapsedTime);
const valueDiv = document.getElementById('value-' + index);
if (valueDiv) {
if (signal.valueTable && signal.valueTable[value] !== undefined) {
valueDiv.textContent = signal.valueTable[value];
} else {
valueDiv.textContent = value.toFixed(2) + (signal.unit ? ' ' + signal.unit : '');
}
}
processedCount++;
} catch(e) {
console.error('Error decoding signal ' + signal.name + ':', e);
}
}
});
});
if (processedCount > 0) {
console.log('Added', processedCount, 'new data points');
}
updateStatistics();
}
function updateStatistics() {
let totalDataPoints = 0;
Object.values(charts).forEach(chart => {
totalDataPoints += chart.data.length;
});
document.getElementById('data-point-count').textContent = totalDataPoints;
document.getElementById('msg-received').textContent = totalMsgReceived;
const recordingTime = ((Date.now() - startTime) / 1000).toFixed(1);
document.getElementById('recording-time').textContent = recordingTime + 's';
}
// ★ HEX 문자열에서 바이트 배열로 변환 후 디코딩
function decodeSignalFromHex(signal, hexData) {
const bytes = [];
const cleanHex = hexData.toUpperCase();
for (let i = 0; i < cleanHex.length && i < 16; i += 2) {
bytes.push(parseInt(cleanHex.substring(i, i + 2), 16));
}
while (bytes.length < 8) bytes.push(0);
return decodeSignalFromBytes(signal, bytes);
}
function decodeSignal(signal, hexData) {
const bytes = [];
if (typeof hexData === 'string') {
const cleanHex = hexData.replace(/\s/g, '').toUpperCase();
for (let i = 0; i < cleanHex.length && i < 16; i += 2) {
bytes.push(parseInt(cleanHex.substring(i, i + 2), 16));
}
} else if (Array.isArray(hexData)) {
bytes.push(...hexData);
}
while (bytes.length < 8) bytes.push(0);
return decodeSignalFromBytes(signal, bytes);
}
function decodeSignalFromBytes(signal, bytes) {
let rawValue = 0;
if (signal.byteOrder === 'intel') {
for (let i = 0; i < signal.bitLength; i++) {
const bitPos = signal.startBit + i;
const byteIdx = Math.floor(bitPos / 8);
const bitIdx = bitPos % 8;
if (byteIdx < bytes.length) {
const bit = (bytes[byteIdx] >> bitIdx) & 1;
rawValue |= (bit << i);
}
}
} else {
for (let i = 0; i < signal.bitLength; i++) {
const bitPos = signal.startBit - i;
const byteIdx = Math.floor(bitPos / 8);
const bitIdx = 7 - (bitPos % 8);
if (byteIdx < bytes.length && byteIdx >= 0) {
const bit = (bytes[byteIdx] >> bitIdx) & 1;
rawValue |= (bit << (signal.bitLength - 1 - i));
}
}
}
if (signal.signed && (rawValue & (1 << (signal.bitLength - 1)))) {
rawValue -= (1 << signal.bitLength);
}
return rawValue * signal.factor + signal.offset;
}
function downloadCSV() {
if (Object.keys(charts).length === 0) {
alert('No data to download!');
return;
}
let csvContent = 'Time(s)';
const sortedSignals = sortSignalsForDisplay();
sortedSignals.forEach(signal => {
const unit = signal.unit ? ' [' + signal.unit + ']' : '';
csvContent += ',' + signal.name + unit;
if (signal.valueTable) {
csvContent += ',' + signal.name + '_Text';
}
});
csvContent += '\n';
let maxLength = 0;
Object.values(charts).forEach(chart => {
if (chart.labels.length > maxLength) {
maxLength = chart.labels.length;
}
});
for (let i = 0; i < maxLength; i++) {
let row = '';
let timeValue = '';
sortedSignals.forEach((signal, index) => {
const chart = charts[index];
if (chart && chart.labels[i] !== undefined) {
if (timeValue === '') {
timeValue = chart.labels[i];
}
const value = chart.data[i];
row += ',' + value.toFixed(6);
if (signal.valueTable) {
const text = signal.valueTable[value] !== undefined ?
signal.valueTable[value] : '';
row += ',"' + text + '"';
}
} else {
row += ',';
if (signal.valueTable) {
row += ',';
}
}
});
if (timeValue !== '') {
csvContent += timeValue + row + '\n';
}
}
const blob = new Blob([csvContent], { type: 'text/csv;charset=utf-8;' });
const link = document.createElement('a');
const url = URL.createObjectURL(blob);
const timestamp = new Date().toISOString().replace(/[:.]/g, '-').slice(0, -5);
link.setAttribute('href', url);
link.setAttribute('download', 'can_signals_' + timestamp + '.csv');
link.style.visibility = 'hidden';
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
console.log('CSV downloaded with ' + maxLength + ' data points');
}
function clearData() {
if (!confirm('Clear all recorded data? This cannot be undone.')) {
return;
}
Object.values(charts).forEach(chart => {
chart.data = [];
chart.times = [];
chart.labels = [];
chart.rawValues = [];
chart.currentValue = 0;
chart.currentText = '';
chart.draw();
});
lastTimestamps = {};
lastCanCounts = {}; // ★ count 기록도 초기화
startTime = Date.now();
totalMsgReceived = 0;
updateStatistics();
console.log('All data cleared');
}
if (loadData()) {
createGraphs();
initWebSocket();
startGraphing();
}
</script>
</body>
</html>
)rawliteral";
#endif

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691
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#ifndef SERIAL_H
#define SERIAL_H
const char serial_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>Serial Monitor - Byun CAN 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, #667eea 0%, #764ba2 100%);
min-height: 100vh;
padding: 10px;
}
.container {
max-width: 1400px;
margin: 0 auto;
background: white;
border-radius: 15px;
box-shadow: 0 20px 60px rgba(0,0,0,0.3);
overflow: hidden;
display: flex;
flex-direction: column;
height: calc(100vh - 20px);
}
.header {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
padding: 20px;
text-align: center;
flex-shrink: 0;
}
.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;
flex-shrink: 0;
}
.nav a {
color: white;
text-decoration: none;
padding: 10px 15px;
border-radius: 5px;
transition: all 0.3s;
font-size: 0.9em;
white-space: nowrap;
}
.nav a:hover { background: #34495e; }
.nav a.active { background: #3498db; }
.content {
padding: 15px;
flex: 1;
display: flex;
flex-direction: column;
overflow: hidden;
}
.config-panel {
background: #f8f9fa;
padding: 15px;
border-radius: 10px;
margin-bottom: 15px;
box-shadow: 0 2px 8px rgba(0,0,0,0.1);
flex-shrink: 0;
}
.config-row {
display: flex;
gap: 10px;
align-items: center;
margin-bottom: 10px;
flex-wrap: wrap;
}
.config-row:last-child { margin-bottom: 0; }
.config-row label {
font-weight: 600;
color: #333;
white-space: nowrap;
min-width: 80px;
}
.config-row select, .config-row input {
padding: 8px 12px;
border: 2px solid #ddd;
border-radius: 5px;
font-size: 0.95em;
transition: all 0.3s;
background: white;
}
.config-row select:focus, .config-row input:focus {
outline: none;
border-color: #667eea;
}
.btn {
padding: 8px 16px;
border: none;
border-radius: 5px;
font-size: 0.95em;
font-weight: 600;
cursor: pointer;
transition: all 0.3s;
white-space: nowrap;
}
.btn-primary {
background: linear-gradient(135deg, #667eea 0%, #764ba2 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-warning {
background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
color: white;
}
.btn:hover {
transform: translateY(-2px);
box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.btn:disabled {
background: #cccccc;
cursor: not-allowed;
opacity: 0.6;
transform: none;
}
.status-bar {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
padding: 10px 15px;
border-radius: 8px;
margin-bottom: 15px;
display: flex;
justify-content: space-between;
align-items: center;
flex-wrap: wrap;
gap: 10px;
flex-shrink: 0;
}
.status-bar.connected {
background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}
.status-bar.disconnected {
background: linear-gradient(135deg, #eb3349 0%, #f45c43 100%);
}
.status-item {
display: flex;
align-items: center;
gap: 8px;
font-size: 0.9em;
}
.status-label {
font-weight: 600;
opacity: 0.9;
}
.status-value {
font-family: 'Courier New', monospace;
font-weight: 700;
}
.terminal-container {
flex: 1;
display: flex;
flex-direction: column;
background: #1e1e1e;
border-radius: 10px;
overflow: hidden;
box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
.terminal-header {
background: #2d2d2d;
padding: 10px 15px;
display: flex;
justify-content: space-between;
align-items: center;
border-bottom: 1px solid #3d3d3d;
}
.terminal-title {
color: #e0e0e0;
font-size: 0.9em;
font-weight: 600;
}
.terminal-controls {
display: flex;
gap: 8px;
}
.terminal-btn {
padding: 5px 12px;
font-size: 0.85em;
border-radius: 4px;
}
.terminal-output {
flex: 1;
overflow-y: auto;
padding: 15px;
font-family: 'Courier New', monospace;
font-size: 0.9em;
color: #e0e0e0;
line-height: 1.5;
white-space: pre-wrap;
word-wrap: break-word;
}
.terminal-output::-webkit-scrollbar {
width: 8px;
}
.terminal-output::-webkit-scrollbar-track {
background: #2d2d2d;
}
.terminal-output::-webkit-scrollbar-thumb {
background: #4d4d4d;
border-radius: 4px;
}
.terminal-output::-webkit-scrollbar-thumb:hover {
background: #5d5d5d;
}
.terminal-input-container {
background: #2d2d2d;
padding: 10px 15px;
display: flex;
gap: 10px;
border-top: 1px solid #3d3d3d;
}
.terminal-input {
flex: 1;
padding: 8px 12px;
border: 2px solid #4d4d4d;
border-radius: 5px;
font-family: 'Courier New', monospace;
font-size: 0.9em;
background: #1e1e1e;
color: #e0e0e0;
}
.terminal-input:focus {
outline: none;
border-color: #667eea;
}
.log-line {
margin-bottom: 2px;
}
.log-line.tx {
color: #4fc3f7;
}
.log-line.rx {
color: #81c784;
}
.log-line.error {
color: #e57373;
}
.log-line.info {
color: #ffd54f;
}
.timestamp {
color: #9e9e9e;
font-size: 0.85em;
}
@media (max-width: 768px) {
.header h1 { font-size: 1.5em; }
.header p { font-size: 0.85em; }
.content { padding: 10px; }
.config-row {
flex-direction: column;
align-items: stretch;
}
.config-row label {
min-width: auto;
}
.status-bar {
flex-direction: column;
align-items: stretch;
}
.terminal-output {
font-size: 0.8em;
}
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>📡 Serial Monitor</h1>
<p>Real-time Serial Communication Interface</p>
</div>
<div class="nav">
<a href="/">📊 Monitor</a>
<a href="/transmit">📤 Transmit</a>
<a href="/graph">📈 Graph</a>
<a href="/graph-view">📊 Graph View</a>
<a href="/serial" class="active">📡 Serial</a>
<a href="/settings"> Settings</a>
</div>
<div class="content">
<div class="config-panel">
<div class="config-row">
<label>Baud Rate:</label>
<select id="baudrate">
<option value="1200">1200</option>
<option value="2400">2400</option>
<option value="4800">4800</option>
<option value="9600" selected>9600</option>
<option value="19200">19200</option>
<option value="38400">38400</option>
<option value="57600">57600</option>
<option value="115200">115200</option>
<option value="230400">230400</option>
<option value="460800">460800</option>
<option value="921600">921600</option>
</select>
<label style="margin-left: 10px;">Data Bits:</label>
<select id="databits">
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8" selected>8</option>
</select>
<label style="margin-left: 10px;">Parity:</label>
<select id="parity">
<option value="0" selected>None</option>
<option value="2">Even</option>
<option value="3">Odd</option>
</select>
<label style="margin-left: 10px;">Stop Bits:</label>
<select id="stopbits">
<option value="1" selected>1</option>
<option value="2">2</option>
</select>
<button class="btn btn-primary" onclick="applySerialConfig()">Apply</button>
</div>
<div class="config-row">
<label>Line Ending:</label>
<select id="line-ending">
<option value="none">No line ending</option>
<option value="lf">LF (\n)</option>
<option value="cr">CR (\r)</option>
<option value="crlf" selected>CR+LF (\r\n)</option>
</select>
<label style="margin-left: 10px;">Display:</label>
<select id="display-mode">
<option value="text" selected>Text</option>
<option value="hex">HEX</option>
<option value="both">Both</option>
</select>
<button class="btn btn-success" id="connect-btn" onclick="toggleConnection()">Connect</button>
<button class="btn btn-warning" onclick="clearTerminal()">Clear</button>
<button class="btn btn-primary" onclick="saveLog()">Save Log</button>
<button class="btn btn-danger" onclick="stopLogging()">Stop Log</button>
</div>
</div>
<div class="status-bar disconnected" id="status-bar">
<div class="status-item">
<span class="status-label">Status:</span>
<span class="status-value" id="connection-status">Disconnected</span>
</div>
<div class="status-item">
<span class="status-label">TX:</span>
<span class="status-value" id="tx-count">0</span>
</div>
<div class="status-item">
<span class="status-label">RX:</span>
<span class="status-value" id="rx-count">0</span>
</div>
<div class="status-item">
<span class="status-label">Errors:</span>
<span class="status-value" id="error-count">0</span>
</div>
<div class="status-item">
<span class="status-label">Logging:</span>
<span class="status-value" id="logging-status">OFF</span>
</div>
</div>
<div class="terminal-container">
<div class="terminal-header">
<div class="terminal-title">Serial Terminal</div>
<div class="terminal-controls">
<button class="btn terminal-btn btn-warning" onclick="clearTerminal()">Clear</button>
<button class="btn terminal-btn btn-primary" onclick="scrollToBottom()">Bottom</button>
</div>
</div>
<div class="terminal-output" id="terminal-output"></div>
<div class="terminal-input-container">
<input type="text" class="terminal-input" id="terminal-input"
placeholder="Type command and press Enter..."
onkeypress="handleInputKeypress(event)">
<button class="btn btn-primary" onclick="sendCommand()">Send</button>
</div>
</div>
</div>
</div>
<script>
let ws;
let isConnected = false;
let isLogging = false;
let txCount = 0;
let rxCount = 0;
let errorCount = 0;
let logData = [];
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.onerror = function(error) {
console.error('WebSocket error:', error);
};
ws.onmessage = function(event) {
try {
const data = JSON.parse(event.data);
if (data.type === 'serialStatus') {
updateSerialStatus(data);
} else if (data.type === 'serialData') {
displaySerialData(data);
} else if (data.type === 'serialConfig') {
updateSerialConfig(data);
}
} catch (e) {
console.error('Parse error:', e);
}
};
}
function toggleConnection() {
const btn = document.getElementById('connect-btn');
if (isConnected) {
// Disconnect
if (ws && ws.readyState === WebSocket.OPEN) {
ws.send(JSON.stringify({cmd: 'serialDisconnect'}));
}
isConnected = false;
btn.textContent = 'Connect';
btn.className = 'btn btn-success';
document.getElementById('status-bar').className = 'status-bar disconnected';
document.getElementById('connection-status').textContent = 'Disconnected';
} else {
// Connect
if (ws && ws.readyState === WebSocket.OPEN) {
ws.send(JSON.stringify({cmd: 'serialConnect'}));
}
isConnected = true;
btn.textContent = 'Disconnect';
btn.className = 'btn btn-danger';
document.getElementById('status-bar').className = 'status-bar connected';
document.getElementById('connection-status').textContent = 'Connected';
}
}
function applySerialConfig() {
const config = {
cmd: 'serialConfig',
baudrate: parseInt(document.getElementById('baudrate').value),
databits: parseInt(document.getElementById('databits').value),
parity: parseInt(document.getElementById('parity').value),
stopbits: parseInt(document.getElementById('stopbits').value)
};
if (ws && ws.readyState === WebSocket.OPEN) {
ws.send(JSON.stringify(config));
console.log('Serial config applied:', config);
}
}
function sendCommand() {
const input = document.getElementById('terminal-input');
const text = input.value;
if (!text || !isConnected) return;
const lineEnding = document.getElementById('line-ending').value;
let commandToSend = text;
if (lineEnding === 'lf') commandToSend += '\n';
else if (lineEnding === 'cr') commandToSend += '\r';
else if (lineEnding === 'crlf') commandToSend += '\r\n';
if (ws && ws.readyState === WebSocket.OPEN) {
ws.send(JSON.stringify({
cmd: 'serialSend',
data: commandToSend
}));
// Display sent data
displaySerialData({
direction: 'tx',
data: text,
timestamp: Date.now()
});
txCount++;
document.getElementById('tx-count').textContent = txCount;
}
input.value = '';
}
function handleInputKeypress(event) {
if (event.key === 'Enter') {
sendCommand();
}
}
function displaySerialData(data) {
const output = document.getElementById('terminal-output');
const displayMode = document.getElementById('display-mode').value;
const timestamp = new Date(data.timestamp).toLocaleTimeString('ko-KR', {hour12: false, hour: '2-digit', minute: '2-digit', second: '2-digit'}) + '.' + (data.timestamp % 1000).toString().padStart(3, '0');
let displayText = '';
if (displayMode === 'text' || displayMode === 'both') {
displayText = data.data;
}
if (displayMode === 'hex' || displayMode === 'both') {
let hexText = '';
for (let i = 0; i < data.data.length; i++) {
const hex = data.data.charCodeAt(i).toString(16).toUpperCase().padStart(2, '0');
hexText += hex + ' ';
}
if (displayMode === 'both') {
displayText += ' [' + hexText.trim() + ']';
} else {
displayText = hexText.trim();
}
}
const line = document.createElement('div');
line.className = 'log-line ' + data.direction;
line.innerHTML = '<span class="timestamp">[' + timestamp + ']</span> ' +
'<span style="font-weight: 700;">' + (data.direction === 'tx' ? 'TX' : 'RX') + ':</span> ' +
displayText;
output.appendChild(line);
// Auto scroll to bottom
if (output.scrollHeight - output.scrollTop <= output.clientHeight + 100) {
output.scrollTop = output.scrollHeight;
}
// Update counters
if (data.direction === 'rx') {
rxCount++;
document.getElementById('rx-count').textContent = rxCount;
}
// Save to log if logging is enabled
if (isLogging) {
logData.push({
timestamp: timestamp,
direction: data.direction,
data: data.data
});
}
}
function updateSerialStatus(data) {
if (data.connected !== undefined) {
isConnected = data.connected;
const btn = document.getElementById('connect-btn');
if (isConnected) {
btn.textContent = 'Disconnect';
btn.className = 'btn btn-danger';
document.getElementById('status-bar').className = 'status-bar connected';
document.getElementById('connection-status').textContent = 'Connected';
} else {
btn.textContent = 'Connect';
btn.className = 'btn btn-success';
document.getElementById('status-bar').className = 'status-bar disconnected';
document.getElementById('connection-status').textContent = 'Disconnected';
}
}
}
function updateSerialConfig(data) {
if (data.baudrate) document.getElementById('baudrate').value = data.baudrate;
if (data.databits) document.getElementById('databits').value = data.databits;
if (data.parity !== undefined) document.getElementById('parity').value = data.parity;
if (data.stopbits) document.getElementById('stopbits').value = data.stopbits;
}
function clearTerminal() {
document.getElementById('terminal-output').innerHTML = '';
txCount = 0;
rxCount = 0;
errorCount = 0;
document.getElementById('tx-count').textContent = '0';
document.getElementById('rx-count').textContent = '0';
document.getElementById('error-count').textContent = '0';
}
function scrollToBottom() {
const output = document.getElementById('terminal-output');
output.scrollTop = output.scrollHeight;
}
function saveLog() {
if (isLogging) {
alert('Logging is already active. Stop logging first to save.');
return;
}
isLogging = true;
logData = [];
document.getElementById('logging-status').textContent = 'ON';
document.getElementById('logging-status').style.color = '#38ef7d';
if (ws && ws.readyState === WebSocket.OPEN) {
ws.send(JSON.stringify({cmd: 'serialStartLog'}));
}
console.log('Serial logging started');
}
function stopLogging() {
if (!isLogging) {
alert('Logging is not active.');
return;
}
isLogging = false;
document.getElementById('logging-status').textContent = 'OFF';
document.getElementById('logging-status').style.color = '#e0e0e0';
if (ws && ws.readyState === WebSocket.OPEN) {
ws.send(JSON.stringify({cmd: 'serialStopLog'}));
}
// Generate log file
if (logData.length > 0) {
let logText = 'Serial Communication Log\n';
logText += 'Generated: ' + new Date().toLocaleString() + '\n';
logText += '='.repeat(80) + '\n\n';
logData.forEach(entry => {
logText += '[' + entry.timestamp + '] ' + entry.direction.toUpperCase() + ': ' + entry.data + '\n';
});
const blob = new Blob([logText], {type: 'text/plain'});
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = 'serial_log_' + new Date().toISOString().replace(/[:.]/g, '-') + '.txt';
a.click();
URL.revokeObjectURL(url);
console.log('Serial log saved:', logData.length, 'entries');
}
logData = [];
}
initWebSocket();
</script>
</body>
</html>
)rawliteral";
#endif