Files
250928_esp32_spi_sdcard_ads…/graph.h
byun 1bf6186305 00006 graph 창 변수 dbc 선택 유지
graph 페이지에서 변수를 선택하고 start 누를 시 그래프 표출을 또다른 창 이동해서 표현하는 것이 나을 것 같아 그리고 선택한 변수들은 다른 페이지 이동해도 선택이 리셋되지 않게 선택한변수들을 유지하게 해줘
2025-10-06 17:08:25 +00:00

762 lines
30 KiB
C++
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#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;
}
.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; }
.graph-container {
background: white;
padding: 15px;
border-radius: 10px;
margin-bottom: 15px;
border: 2px solid #e0e0e0;
}
.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: #333;
}
.graph-value {
font-size: 1.2em;
font-weight: 700;
color: #185a9d;
font-family: 'Courier New', monospace;
}
canvas {
width: 100%;
height: 250px;
border: 1px solid #ddd;
border-radius: 5px;
background: #fafafa;
}
.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; }
@media (max-width: 768px) {
body { padding: 5px; }
.header h1 { font-size: 1.5em; }
.content { padding: 10px; }
.signal-grid { grid-template-columns: 1fr; gap: 8px; }
canvas { height: 200px; }
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 6)</h2>
<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>
</div>
<div class="signal-selector">
<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 charts = {};
let graphing = false;
let startTime = 0;
const MAX_SIGNALS = 6;
const MAX_DATA_POINTS = 60;
const COLORS = [
{line: '#FF6384', fill: 'rgba(255, 99, 132, 0.1)'},
{line: '#36A2EB', fill: 'rgba(54, 162, 235, 0.1)'},
{line: '#FFCE56', fill: 'rgba(255, 206, 86, 0.1)'},
{line: '#4BC0C0', fill: 'rgba(75, 192, 192, 0.1)'},
{line: '#9966FF', fill: 'rgba(153, 102, 255, 0.1)'},
{line: '#FF9F40', fill: 'rgba(255, 159, 64, 0.1)'}
];
// 커스텀 차트 클래스
class SimpleChart {
constructor(canvas, signal, colorIndex) {
this.canvas = canvas;
this.ctx = canvas.getContext('2d');
this.signal = signal;
this.data = [];
this.labels = [];
this.colors = COLORS[colorIndex % COLORS.length];
this.currentValue = 0;
// Canvas 크기 설정
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, label) {
this.data.push(value);
this.labels.push(label);
this.currentValue = value;
if (this.data.length > MAX_DATA_POINTS) {
this.data.shift();
this.labels.shift();
}
this.draw();
}
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;
// 배경 클리어
ctx.clearRect(0, 0, this.width, this.height);
// 데이터 범위 계산
const minValue = Math.min(...this.data);
const maxValue = Math.max(...this.data);
const range = maxValue - minValue || 1;
// 축 그리기
ctx.strokeStyle = '#ddd';
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();
// Y축 라벨
ctx.fillStyle = '#666';
ctx.font = '11px Arial';
ctx.textAlign = 'right';
ctx.fillText(maxValue.toFixed(2), padding - 5, padding + 5);
ctx.fillText(minValue.toFixed(2), padding - 5, this.height - padding);
// X축 라벨 (시간 - 초 단위)
ctx.textAlign = 'center';
ctx.fillStyle = '#666';
ctx.font = '10px Arial';
if (this.labels.length > 0) {
// 첫 번째와 마지막 시간 표시
ctx.fillText(this.labels[0] + 's', padding, this.height - padding + 15);
if (this.labels.length > 1) {
const lastIdx = this.labels.length - 1;
ctx.fillText(this.labels[lastIdx] + 's',
padding + (graphWidth / (MAX_DATA_POINTS - 1)) * lastIdx,
this.height - padding + 15);
}
}
// X축 타이틀
ctx.fillText('Time (sec)', this.width / 2, this.height - 5);
// 그리드 라인
ctx.strokeStyle = '#f0f0f0';
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 (this.data.length < 2) return;
// 영역 채우기
ctx.fillStyle = this.colors.fill;
ctx.beginPath();
ctx.moveTo(padding, this.height - padding);
for (let i = 0; i < this.data.length; i++) {
const x = padding + (graphWidth / (MAX_DATA_POINTS - 1)) * i;
const y = this.height - padding - ((this.data[i] - minValue) / range) * graphHeight;
if (i === 0) {
ctx.lineTo(x, y);
} else {
ctx.lineTo(x, y);
}
}
ctx.lineTo(padding + (graphWidth / (MAX_DATA_POINTS - 1)) * (this.data.length - 1), this.height - padding);
ctx.closePath();
ctx.fill();
// 선 그리기
ctx.strokeStyle = this.colors.line;
ctx.lineWidth = 2;
ctx.beginPath();
for (let i = 0; i < this.data.length; i++) {
const x = padding + (graphWidth / (MAX_DATA_POINTS - 1)) * i;
const y = this.height - padding - ((this.data[i] - minValue) / range) * graphHeight;
if (i === 0) {
ctx.moveTo(x, y);
} else {
ctx.lineTo(x, y);
}
}
ctx.stroke();
// 데이터 포인트
ctx.fillStyle = this.colors.line;
for (let i = 0; i < this.data.length; i++) {
const x = padding + (graphWidth / (MAX_DATA_POINTS - 1)) * i;
const y = this.height - padding - ((this.data[i] - minValue) / range) * graphHeight;
ctx.beginPath();
ctx.arc(x, y, 2, 0, Math.PI * 2);
ctx.fill();
}
}
}
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);
if (data.type === 'canBatch' && graphing) {
processCANData(data.messages);
}
} 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;
// DBC 파일 저장
saveDBCToLocalStorage(content, file.name);
};
reader.readAsText(file);
}
// DBC 파일을 localStorage에 저장
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);
}
}
// localStorage에서 DBC 파일 복원
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: {}};
const lines = content.split('\n');
let currentMessage = null;
for (let line of lines) {
line = line.trim();
if (line.startsWith('BO_ ')) {
const match = line.match(/BO_\s+(\d+)\s+(\w+)\s*:/);
if (match) {
const id = parseInt(match[1]);
const name = match[2];
currentMessage = {id: id, name: name, signals: []};
dbcData.messages[id] = currentMessage;
}
}
else if (line.startsWith('SG_ ') && currentMessage) {
const match = line.match(/SG_\s+(\w+)\s*:\s*(\d+)\|(\d+)@([01])([+-])\s*\(([^,]+),([^)]+)\)\s*\[([^\]]+)\]\s*"([^"]*)"/);
if (match) {
const signal = {
name: match[1],
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]),
unit: match[9],
messageId: currentMessage.id,
messageName: currentMessage.name
};
currentMessage.signals.push(signal);
}
}
}
displaySignals();
showStatus('DBC loaded: ' + Object.keys(dbcData.messages).length + ' messages', 'success');
}
function displaySignals() {
const signalList = document.getElementById('signal-list');
signalList.innerHTML = '';
for (let msgId in dbcData.messages) {
const msg = dbcData.messages[msgId];
msg.signals.forEach(signal => {
const item = document.createElement('div');
item.className = 'signal-item';
item.onclick = () => toggleSignal(signal, item);
item.innerHTML =
'<div class="signal-name">' + signal.name + '</div>' +
'<div class="signal-info">' +
'ID: 0x' + signal.messageId.toString(16).toUpperCase() + ' | ' +
signal.bitLength + 'bit' +
(signal.unit ? ' | ' + signal.unit : '') +
'</div>';
signalList.appendChild(item);
});
}
document.getElementById('signal-section').style.display = 'block';
// 저장된 선택 복원
setTimeout(() => loadSelectedSignals(), 100);
}
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');
}
// 선택한 신호 저장
saveSelectedSignals();
}
function clearSelection() {
selectedSignals = [];
document.querySelectorAll('.signal-item').forEach(item => {
item.classList.remove('selected');
});
// 저장된 선택 삭제
saveSelectedSignals();
}
// 선택한 신호를 localStorage에 저장
function saveSelectedSignals() {
try {
localStorage.setItem('selected_signals', JSON.stringify(selectedSignals));
console.log('Saved', selectedSignals.length, 'signals');
} catch(e) {
console.error('Failed to save selected signals:', e);
}
}
// localStorage에서 선택한 신호 복원
function loadSelectedSignals() {
try {
const saved = localStorage.getItem('selected_signals');
if (saved) {
const signals = JSON.parse(saved);
// 신호 목록이 표시된 후에 선택 상태 복원
signals.forEach(savedSignal => {
// DBC에 해당 신호가 있는지 확인
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;
}
}
});
// UI 업데이트
document.querySelectorAll('.signal-item').forEach(item => {
const signalName = item.querySelector('.signal-name').textContent;
const signalInfo = item.querySelector('.signal-info').textContent;
const idMatch = signalInfo.match(/ID: 0x([0-9A-F]+)/);
if (idMatch) {
const msgId = parseInt(idMatch[1], 16);
const isSelected = selectedSignals.some(s =>
s.messageId === msgId && s.name === signalName);
if (isSelected) {
item.classList.add('selected');
}
}
});
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;
}
// 선택한 신호 저장 (새 창에서 사용)
saveSelectedSignals();
// 새 창 열기
const width = 1200;
const height = 800;
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 createGraphs() {
// 이 함수는 새 창에서 사용됨
}
function processCANData(messages) {
// 이 함수는 새 창에서 사용됨
}
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));
}
}
while (bytes.length < 8) {
bytes.push(0);
}
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);
}
const physicalValue = rawValue * signal.factor + signal.offset;
return physicalValue;
}
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;
// DBC 파일 저장
saveDBCToLocalStorage(ev.target.result, file.name);
};
reader.readAsText(file);
}
});
// 페이지 로드 시 localStorage에서 DBC 복원
window.addEventListener('load', function() {
loadDBCFromLocalStorage();
});
initWebSocket();
</script>
</body>
</html>
)rawliteral";
#endif