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lerobot/examples/openarms_web_interface/App.jsx
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2025-12-17 16:46:40 +01:00

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import { useState, useEffect, useCallback, useRef } from 'react';
import './App.css';
const API_BASE = 'http://localhost:8000/api';
function App() {
// State
const [task, setTask] = useState('');
const [isRecording, setIsRecording] = useState(false);
const [isInitializing, setIsInitializing] = useState(false);
const [isEncoding, setIsEncoding] = useState(false);
const [isUploading, setIsUploading] = useState(false);
const [robotsReady, setRobotsReady] = useState(false);
const [elapsedTime, setElapsedTime] = useState(0);
const [currentFps, setCurrentFps] = useState(0);
const [loopFps, setLoopFps] = useState(0);
const [episodeCount, setEpisodeCount] = useState(0);
const [error, setError] = useState(null);
const [statusMessage, setStatusMessage] = useState('Ready');
const [uploadStatus, setUploadStatus] = useState(null);
const [rampUpRemaining, setRampUpRemaining] = useState(0);
const [movingToZero, setMovingToZero] = useState(false);
const [configExpanded, setConfigExpanded] = useState(false);
// Configuration
const [config, setConfig] = useState({
leader_left: 'can0',
leader_right: 'can1',
follower_left: 'can2',
follower_right: 'can3',
left_wrist: '/dev/video0',
right_wrist: '/dev/video1',
base: '/dev/video4'
});
// Available options
const [availableCameras, setAvailableCameras] = useState([]);
const canInterfaces = ['can0', 'can1', 'can2', 'can3'];
const statusIntervalRef = useRef(null);
const hasInitializedRef = useRef(false);
const loadConfig = () => {
try {
const saved = localStorage.getItem('openarms_config');
if (saved) {
setConfig(prev => ({ ...prev, ...JSON.parse(saved) }));
}
} catch (e) {
console.error('Load config error:', e);
}
};
const saveConfig = (newConfig) => {
try {
localStorage.setItem('openarms_config', JSON.stringify(newConfig || config));
} catch (e) {
console.error('Save config error:', e);
}
};
// Fetch status periodically
const fetchStatus = async () => {
try {
const response = await fetch(`${API_BASE}/status`);
const data = await response.json();
setIsRecording(data.is_recording);
setIsInitializing(data.is_initializing);
setIsEncoding(data.is_encoding);
setIsUploading(data.is_uploading);
setRobotsReady(data.robots_ready);
setElapsedTime(data.elapsed_time);
setCurrentFps(data.current_fps || 0);
setLoopFps(data.loop_fps || 0);
setEpisodeCount(data.episode_count);
setError(data.error);
setStatusMessage(data.status_message || 'Ready');
setUploadStatus(data.upload_status);
setRampUpRemaining(data.ramp_up_remaining || 0);
setMovingToZero(data.moving_to_zero || false);
if (data.config) {
// Only merge server config if we don't have a saved config (first load)
if (!localStorage.getItem('openarms_config')) {
setConfig(prev => {
const merged = { ...data.config, ...prev };
localStorage.setItem('openarms_config', JSON.stringify(merged));
return merged;
});
}
}
} catch (e) {
console.error('Failed to fetch status:', e);
}
};
const setupRobots = async () => {
setError(null);
try {
const response = await fetch(`${API_BASE}/robots/setup`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(config)
});
if (!response.ok) {
const data = await response.json();
throw new Error(data.detail || 'Failed to setup robots');
}
await response.json();
saveConfig(config);
} catch (e) {
setError(`Robot setup failed: ${e.message}`);
}
};
// Disconnect robots
const disconnectRobots = async () => {
try {
await fetch(`${API_BASE}/robots/disconnect`, { method: 'POST' });
setRobotsReady(false);
} catch (e) {
console.error('Failed to disconnect robots:', e);
}
};
// Discover cameras
const discoverCameras = async () => {
try {
const response = await fetch(`${API_BASE}/cameras/discover`);
const data = await response.json();
const cameras = data.cameras || [];
setAvailableCameras(cameras);
// Get list of valid camera IDs
const validCameraIds = cameras.map(cam => String(cam.id));
// Auto-fix config if current values are invalid or not set
const updated = { ...config };
let changed = false;
// Auto-fix invalid camera config
if (!config.left_wrist || !validCameraIds.includes(config.left_wrist)) {
if (cameras.length >= 1) {
updated.left_wrist = String(cameras[0].id);
changed = true;
}
}
if (!config.right_wrist || !validCameraIds.includes(config.right_wrist)) {
if (cameras.length >= 2) {
updated.right_wrist = String(cameras[1].id);
changed = true;
}
}
if (!config.base || !validCameraIds.includes(config.base)) {
if (cameras.length >= 3) {
updated.base = String(cameras[2].id);
changed = true;
}
}
if (changed) {
setConfig(updated);
saveConfig(updated);
}
if (cameras.length === 0) {
setError('No cameras detected! Please connect cameras and refresh.');
}
} catch (e) {
console.error('Failed to discover cameras:', e);
setError(`Camera discovery failed: ${e.message}`);
}
};
// Set task only (for pedal use)
const setTaskOnly = async () => {
if (!task.trim()) {
setError('Please enter a task description');
return;
}
setError(null);
try {
const response = await fetch(`${API_BASE}/recording/set-task`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ task, ...config })
});
if (!response.ok) {
const data = await response.json();
throw new Error(data.detail || 'Failed to set task');
}
const result = await response.json();
setStatusMessage(result.message || `Task set: ${task}`);
saveConfig(config);
// Clear success message after 3 seconds
setTimeout(() => {
if (!isRecording && !isInitializing) {
setStatusMessage('Ready');
}
}, 3000);
} catch (e) {
setError(e.message);
}
};
// Start recording
const startRecording = async () => {
if (!task.trim()) {
setError('Please enter a task description');
return;
}
setError(null);
try {
const response = await fetch(`${API_BASE}/recording/start`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ task, ...config })
});
if (!response.ok) {
const data = await response.json();
throw new Error(data.detail || 'Failed to start recording');
}
await response.json();
saveConfig(config);
} catch (e) {
setError(e.message);
}
};
// Stop recording
const stopRecording = async () => {
try {
const response = await fetch(`${API_BASE}/recording/stop`, {
method: 'POST'
});
if (!response.ok) {
const data = await response.json();
throw new Error(data.detail || 'Failed to stop recording');
}
await response.json();
setError(null);
} catch (e) {
setError(e.message);
}
};
// Reset counter
const resetCounter = async () => {
try {
await fetch(`${API_BASE}/counter/reset`, { method: 'POST' });
setEpisodeCount(0);
} catch (e) {
console.error('Failed to reset counter:', e);
}
};
// Move robot to zero position
const moveToZero = async () => {
setError(null);
try {
const response = await fetch(`${API_BASE}/robots/move-to-zero`, { method: 'POST' });
if (!response.ok) {
const data = await response.json();
throw new Error(data.detail || 'Failed to move to zero position');
}
await response.json();
} catch (e) {
setError(`Move to zero failed: ${e.message}`);
}
};
// Format time as MM:SS
const formatTime = (seconds) => {
const mins = Math.floor(seconds / 60);
const secs = Math.floor(seconds % 60);
return `${mins.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')}`;
};
// Update config and save
const updateConfig = (key, value) => {
const updated = { ...config, [key]: value };
setConfig(updated);
saveConfig(updated);
};
// Initialize on mount only
useEffect(() => {
// Prevent double-initialization in development
if (hasInitializedRef.current) {
return;
}
hasInitializedRef.current = true;
loadConfig();
discoverCameras();
fetchStatus();
statusIntervalRef.current = setInterval(fetchStatus, 1000);
return () => {
if (statusIntervalRef.current) {
clearInterval(statusIntervalRef.current);
}
};
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []); // Run only once on mount
return (
<main>
<header>
<h1>OpenArms Recording</h1>
</header>
<div className="container">
{/* Left Column: Configuration and Recording Control */}
<div className="left-column">
{/* Configuration Panel */}
<section className="panel config-panel">
<div
className="config-header"
onClick={() => setConfigExpanded(!configExpanded)}
role="button"
tabIndex={0}
onKeyDown={(e) => e.key === 'Enter' && setConfigExpanded(!configExpanded)}
>
<h2> Configuration</h2>
<span className="toggle-icon">{configExpanded ? '▼' : '▶'}</span>
</div>
{configExpanded && (
<div className="config-content">
{/* Robot Setup */}
<div className="config-section">
<h3>🤖 Robot Setup</h3>
<div className="robot-setup">
{robotsReady ? (
<div className="robot-status ready">
<span> Robots Ready - Recording will start instantly</span>
<button onClick={disconnectRobots} className="btn-disconnect">
Disconnect Robots
</button>
</div>
) : (
<div className="robot-status not-ready">
<span> Robots not initialized - Recording will take ~10 seconds</span>
<button
onClick={setupRobots}
disabled={isRecording || isInitializing}
className="btn-setup"
>
🚀 Setup Robots
</button>
</div>
)}
</div>
</div>
{/* CAN Interfaces */}
<div className="config-section">
<h3>CAN Interfaces</h3>
<div className="config-grid">
<label>
Leader Left
<select
value={config.leader_left}
onChange={(e) => updateConfig('leader_left', e.target.value)}
disabled={isRecording || robotsReady}
>
{canInterfaces.map((iface) => (
<option key={iface} value={iface}>{iface}</option>
))}
</select>
</label>
<label>
Leader Right
<select
value={config.leader_right}
onChange={(e) => updateConfig('leader_right', e.target.value)}
disabled={isRecording || robotsReady}
>
{canInterfaces.map((iface) => (
<option key={iface} value={iface}>{iface}</option>
))}
</select>
</label>
<label>
Follower Left
<select
value={config.follower_left}
onChange={(e) => updateConfig('follower_left', e.target.value)}
disabled={isRecording || robotsReady}
>
{canInterfaces.map((iface) => (
<option key={iface} value={iface}>{iface}</option>
))}
</select>
</label>
<label>
Follower Right
<select
value={config.follower_right}
onChange={(e) => updateConfig('follower_right', e.target.value)}
disabled={isRecording || robotsReady}
>
{canInterfaces.map((iface) => (
<option key={iface} value={iface}>{iface}</option>
))}
</select>
</label>
</div>
</div>
{/* Camera Configuration */}
<div className="config-section">
<div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: '0.5rem' }}>
<h3>Cameras {availableCameras.length > 0 && `(${availableCameras.length} detected)`}</h3>
<button
onClick={discoverCameras}
className="btn-refresh"
disabled={isRecording || robotsReady}
>
🔄 Refresh
</button>
</div>
<div className="config-grid">
<label>
Left Wrist
<select
value={config.left_wrist}
onChange={(e) => updateConfig('left_wrist', e.target.value)}
disabled={isRecording || robotsReady}
>
{availableCameras.map((cam) => (
<option key={cam.id} value={String(cam.id)}>
{cam.name || `Camera @ ${cam.id}`}
</option>
))}
</select>
</label>
<label>
Right Wrist
<select
value={config.right_wrist}
onChange={(e) => updateConfig('right_wrist', e.target.value)}
disabled={isRecording || robotsReady}
>
{availableCameras.map((cam) => (
<option key={cam.id} value={String(cam.id)}>
{cam.name || `Camera @ ${cam.id}`}
</option>
))}
</select>
</label>
<label>
Base Camera
<select
value={config.base}
onChange={(e) => updateConfig('base', e.target.value)}
disabled={isRecording || robotsReady}
>
{availableCameras.map((cam) => (
<option key={cam.id} value={String(cam.id)}>
{cam.name || `Camera @ ${cam.id}`}
</option>
))}
</select>
</label>
</div>
</div>
</div>
)}
</section>
{/* Control Panel */}
<section className="panel control-panel">
<h2>🎬 Recording Control</h2>
{/* Status Banner - Always show important statuses */}
{isInitializing && (
<div className="status-banner initializing">
<div className="spinner"></div>
<span>{statusMessage}</span>
</div>
)}
{isEncoding && (
<div className="status-banner encoding">
<div className="spinner"></div>
<span>📹 {statusMessage}</span>
</div>
)}
{isUploading && (
<div className="status-banner uploading">
<div className="spinner"></div>
<span> {statusMessage}</span>
</div>
)}
{uploadStatus && !isRecording && !isEncoding && !isUploading && (
<div className={`status-banner ${uploadStatus.startsWith('✓') ? 'success' : 'warning'}`}>
<span>{uploadStatus}</span>
</div>
)}
<div className="control-horizontal">
{/* Task Input and Status */}
<div className="control-left">
<div className="input-group">
<input
type="text"
value={task}
onChange={(e) => setTask(e.target.value)}
placeholder="Task description (e.g., 'pick and place')"
disabled={isRecording || isInitializing || isEncoding || isUploading}
onKeyPress={(e) => {
if (e.key === 'Enter' && robotsReady) {
setTaskOnly();
}
}}
/>
<button
onClick={setTaskOnly}
disabled={isRecording || isInitializing || isEncoding || isUploading || !robotsReady}
className="btn-set-task"
title={!robotsReady ? 'Please setup robots first' : 'Store task for pedal use (Enter key)'}
>
💾 Set Task
</button>
<button
onClick={startRecording}
disabled={isRecording || isInitializing || isEncoding || isUploading || !robotsReady}
className="btn-start"
title={!robotsReady ? 'Please setup robots first' : ''}
>
{isInitializing
? '⏳ Initializing...'
: isRecording
? '⏺ Recording...'
: robotsReady
? '⏺ Start Recording'
: '⏺ Setup Robots First'}
</button>
</div>
{/* Ramp-up Countdown */}
{isRecording && rampUpRemaining > 0 && (
<div className="ramp-up-countdown">
<div className="countdown-box">
<div className="countdown-label"> WARMING UP - PID RAMP-UP</div>
<div className="countdown-value">{rampUpRemaining.toFixed(1)}s</div>
<div className="countdown-subtitle">Recording will start automatically...</div>
</div>
</div>
)}
{/* Recording Status - Only show after ramp-up */}
{isRecording && rampUpRemaining <= 0 && (
<div className="status recording recording-active">
<div className="indicator"></div>
<div className="time-display">
<span>{formatTime(elapsedTime)}</span>
<span className="fps-display">
Loop: {loopFps.toFixed(1)} Hz
{loopFps > 0 && loopFps < 29 && <span className="fps-warning"> </span>}
</span>
<span className="fps-display">Recording: {currentFps.toFixed(1)} FPS</span>
</div>
<button onClick={stopRecording} className="btn-stop">
Stop
</button>
</div>
)}
</div>
{/* Episode Counter */}
<div className="control-right">
<div className="counter">
<div className="counter-label">Episodes Recorded</div>
<div className="counter-value">{episodeCount}</div>
<button onClick={resetCounter} className="btn-reset">
Reset
</button>
</div>
</div>
</div>
{/* Move to Zero Button */}
{robotsReady && !isRecording && !isInitializing && (
<div className="zero-position-section">
<button
onClick={moveToZero}
disabled={movingToZero}
className="btn-zero-large"
title="Move follower robot to zero position (2s with 60% gains)"
>
{movingToZero ? '⏳ Moving to Zero Position...' : '🎯 Move to Zero Position'}
</button>
</div>
)}
{/* Error Display */}
{error && (
<div className="error-box">
{error}
</div>
)}
</section>
</div>
{/* Right Column: Camera Feeds */}
<div className="right-column">
<section className="panel cameras">
<h2>📹 Camera Views</h2>
{robotsReady || isRecording || isInitializing ? (
<div className="camera-layout">
{/* Base camera - full width */}
<div className="camera camera-base">
<h3>Base Camera</h3>
<img src={`${API_BASE}/camera/stream/base`} alt="Base Camera" />
</div>
{/* Wrist cameras - side by side */}
<div className="camera-wrist-container">
<div className="camera camera-wrist">
<h3>Left Wrist</h3>
<img src={`${API_BASE}/camera/stream/left_wrist`} alt="Left Wrist Camera" />
</div>
<div className="camera camera-wrist">
<h3>Right Wrist</h3>
<img src={`${API_BASE}/camera/stream/right_wrist`} alt="Right Wrist Camera" />
</div>
</div>
</div>
) : (
<div className="camera-placeholder">
<p>📷 Camera feeds will appear when robots are set up</p>
<p className="hint">Click "Setup Robots" above to preview camera feeds</p>
</div>
)}
</section>
</div>
</div>
</main>
);
}
export default App;