External Screen working

orchestrateur/main.py

@@ -12,6 +12,7 @@ from shared.lora_device import LoraCommands
 from shared.alerts import AlertManager, Alert, AlertType
 from sensors import ultrasonicRanger, temp_hum, button, camera, buzzer
 from lib.systemd_logs import get_systemd_logs
+from external_display_manager import DisplayManager  # <-- Import display manager
 
 # --- DB SETUP ---
 DB_PATH = "orchestrateur/db.sqlite"
@@ -73,6 +74,9 @@ button_state = False
 cloud_alert = False  # Global status flag for screen / UI display
 async_event_queue = None
 
+# Display Manager instance
+display_manager = DisplayManager(endpoint_path="/api/display")
+
 # Async synchronization trackers for MQTT IR sensors responses
 ir_data_cache = {}   # mw_id -> dict of IR readings
 ir_data_events = {}  # mw_id -> asyncio.Event()
@@ -174,6 +178,21 @@ async def cloud_mqtt_listener_task():
             })
         await asyncio.sleep(0.1)
 
+async def display_broadcast_task():
+    """Monitors state changes and broadcasts updates to all connected screens."""
+    last_state = None
+    while True:
+        current_state = (dict(microwave_states), button_state, cloud_alert)
+        if current_state != last_state:
+            last_state = current_state
+            await display_manager.broadcast_state(
+                device_id=DEVICE_ID,
+                microwave_states=microwave_states,
+                button_state=button_state,
+                cloud_alert=cloud_alert
+            )
+        await asyncio.sleep(3.0)
+
 def button_callback():
     """Button physical interrupt callback."""
     global button_state
@@ -587,6 +606,9 @@ async def main():
     # Initialize SQLite database table
     init_db()
     
+    # Start mDNS Display discovery
+    await display_manager.start()
+    
     async_event_queue = asyncio.Queue()
     
     await asyncio.gather(
@@ -594,7 +616,8 @@ async def main():
         mqtt_listener_task(),
         cloud_mqtt_listener_task(),
         process_messages_task(),
-        monitor_dish_height_task()
+        monitor_dish_height_task(),
+        display_broadcast_task()
     )
 
 if __name__ == "__main__":
@@ -603,6 +626,7 @@ if __name__ == "__main__":
     except KeyboardInterrupt:
         print("\nArrêt manuel.")
     finally:
+        asyncio.run(display_manager.stop())
         if hasattr(mqtt_client._client, "loop_stop"):
             mqtt_client._client.loop_stop()
         if hasattr(cloud_mqtt_client._client, "loop_stop"):