Send microwave states to lora

orchestrateur/main.py

@@ -81,6 +81,15 @@ def notify_display_update():
         except RuntimeError:
             pass
 
+def on_microwave_change(state: MicrowaveState, field: MicrowaveStateFields):
+    if field != MicrowaveStateFields.STATE: # No external screen or lcd uses this field, so we can skip updates for it
+        notify_display_update()
+    
+    if field == MicrowaveStateFields.STATE and state.state in (MicrowaveState.DONE, MicrowaveState.ANALYZING, MicrowaveState.WAITING_FOR_CLOUD):
+        # Send to LoRa device if state changed
+        lora.send_reliable(payloads.lora_microwave_state(state.state), max_retries=5)
+        
+
 def set_cloud_alert(state: bool):
     """Setter for cloud_alert that triggers a display update when changed."""
     global cloud_alert
@@ -91,7 +100,7 @@ def set_cloud_alert(state: bool):
         update_lcd_cloud_alert()
 
 # Global state trackers
-microwave_states = {"2": MicrowaveState("2", on_change_callback=notify_display_update)}
+microwave_states = {"2": MicrowaveState("2", on_change_callback=on_microwave_change)}
 button_state = False
 cloud_alert = None  # Global status flag for screen / UI display
 async_event_queue = None
@@ -434,7 +443,7 @@ async def request_cloud_cooking_plan(microwave_id, sensors_data):
             
             if c_time is None or c_power is None or c_temp is None:
                 print(f"[{microwave_id}] Invalid plan received: {res_json}")
-                microwave_states[microwave_id].set_state(MicrowaveState.IDLE)
+                microwave_states[microwave_id].set_state(MicrowaveState.DONE)
                 return
 
             print(f"[{microwave_id}] Cloud Plan Received! Starting microwave: {c_time}s @ {c_power}W")
@@ -530,7 +539,7 @@ async def process_messages_task():
                         # Pass change callback to newly connected microwave
                         microwave_states[component_id] = MicrowaveState(
                             component_id, 
-                            on_change_callback=notify_display_update
+                            on_change_callback=on_microwave_change
                         )
                         notify_display_update()         # Update the external screens
                         update_lcd_microwave_count()    # Update the LCD with new microwave count
@@ -641,8 +650,11 @@ async def monitor_dish_height_task():
 
     while True:
         dist = await get_filtered_dish_height()
-        current_state = microwave_states.get(mw_id, MicrowaveState.IDLE).state
-        
+        try:
+            current_state = microwave_states.get(mw_id).state
+        except AttributeError:
+            current_state = MicrowaveState.IDLE
+
         if dist is not None:
             # Hysteresis Thresholds:
             # - Must be > 2.5 cm to detect dish insertion