Modulino Light - Light and color sensing

1import json, os, time
2from arduino.app_utils import App, Bridge
3from arduino.app_bricks.web_ui import WebUI
4
5_ui_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "..", "ui")
6ui = WebUI(assets_dir_path=_ui_dir)
7
8_last_state = None
9
10def _call_mcu():
11    global _last_state
12    try:
13        state = json.loads(Bridge.call("get_light"))
14        _last_state = state
15        return state
16    except Exception as exc:
17        print(f"[bridge] get_light error: {exc}")
18        return None
19
20def _broadcast(state, room=None):
21    if state and "error" not in state:
22        ui.send_message("state_update", state, room=room)
23
24def on_connect(sid):
25    _broadcast(_last_state if _last_state else _call_mcu(), room=sid)
26
27ui.on_connect(on_connect)
28
29def loop():
30    _broadcast(_call_mcu())
31    time.sleep(0.5)
32
33App.run(user_loop=loop)