sl-webui
e2587b60fb
Animated robot expression interface as lightweight web application: **Architecture:** - HTML5 Canvas rendering engine - Node.js HTTP server (localhost:3000) - ROSLIB WebSocket bridge for ROS2 topics - Fullscreen responsive design (1024×600) **Features:** - 8 emotional states (happy, alert, confused, sleeping, excited, emergency, listening, talking) - Real-time ROS2 subscriptions: - /saltybot/state (emotion triggers) - /saltybot/battery (status display) - /saltybot/target_track (EXCITED emotion) - /saltybot/obstacles (ALERT emotion) - /social/speech/is_speaking (TALKING emotion) - /social/speech/is_listening (LISTENING emotion) - Tap-to-toggle status overlay - 60fps Canvas animation on Wayland - ~80MB total memory (Node.js + browser) **Files:** - public/index.html — Main page (1024×600 fullscreen) - public/salty-face.js — Canvas rendering + ROS2 integration - server.js — Node.js HTTP server with CORS support - systemd/salty-face-server.service — Auto-start systemd service - docs/SALTY_FACE_WEB_APP.md — Complete setup & API documentation **Integration:** - Runs in Chromium kiosk (Issue #374) - Depends on rosbridge_server for WebSocket bridge - Serves on localhost:3000 (configurable) **Next:** Issue #371 (Accessibility enhancements) Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
43 lines
818 B
Desktop File
43 lines
818 B
Desktop File
[Unit]
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Description=SaltyFace Web App Server (Node.js)
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Documentation=https://github.com/saltytech/saltylab-firmware/issues/370
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After=network.target
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Before=chromium-kiosk.service
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Requires=chromium-kiosk.service
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[Service]
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Type=simple
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User=orin
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Group=nogroup
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WorkingDirectory=/opt/saltybot/app
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# Node.js server
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ExecStart=/usr/bin/node server.js --port 3000 --host 0.0.0.0
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# Environment
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Environment="NODE_ENV=production"
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Environment="NODE_OPTIONS=--max-old-space-size=256"
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# Restart policy
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Restart=on-failure
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RestartSec=3s
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# Resource limits
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MemoryMax=256M
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CPUQuota=50%
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# Logging
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StandardOutput=journal
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StandardError=journal
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SyslogIdentifier=salty-face-server
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# Security
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NoNewPrivileges=true
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PrivateTmp=true
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ProtectSystem=strict
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ProtectHome=yes
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ReadWritePaths=/opt/saltybot/logs
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[Install]
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WantedBy=multi-user.target
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