Add comms simulation and config screen

simulator/pico_sim.py

@@ -1,5 +1,6 @@
+import time
+
 from protocol import (
-    MessageType,
     status_request,
     set_relay_request,
     enable_wifi_request,
@@ -13,20 +14,65 @@ class PicoSimulator:
         self.controller = controller
         self.last_status = None
         self.primary_link = "rs485"
+        self.rs485_connected = True
         self.backup_link_available = True
+        self.messages_sent = 0
+        self.messages_received = 0
+        self.last_message_time = None
 
     def send_message(self, message):
-        """
-        This simulates the Pico sending a protocol message to the ESP32.
+        self.messages_sent += 1
 
-        Later, this is where RS-485 serial communication will replace
-        the direct Python method call.
-        """
-        return self.controller.handle_message(message)
+        if not self.rs485_connected:
+            return {
+                "type": "error",
+                "success": False,
+                "error": "RS-485 disconnected"
+            }
+
+        response = self.controller.handle_message(message)
+        self.messages_received += 1
+        self.last_message_time = int(time.time())
+        return response
 
     def get_status(self):
         response = self.send_message(status_request())
+
+        if response.get("type") == "error":
+            if self.last_status:
+                self.last_status["network"]["rs485_connected"] = False
+                self.last_status["network"]["communication_lost"] = True
+                self.last_status["network"]["messages_sent"] = self.messages_sent
+                self.last_status["network"]["messages_received"] = self.messages_received
+                self.last_status["network"]["last_message_time"] = self.last_message_time
+                return self.last_status
+
+            return {
+                "timestamp": int(time.time()),
+                "vehicle": {"ignition_on": True},
+                "battery": {},
+                "temps": {},
+                "sensor_health": {},
+                "relays": {},
+                "network": {
+                    "rs485_connected": False,
+                    "communication_lost": True,
+                    "wifi_enabled": False,
+                    "wifi_override_active": False,
+                    "starlink_enabled": False,
+                    "messages_sent": self.messages_sent,
+                    "messages_received": self.messages_received,
+                    "last_message_time": self.last_message_time
+                },
+                "config": {}
+            }
+
         self.last_status = response["data"]
+        self.last_status["network"]["rs485_connected"] = self.rs485_connected
+        self.last_status["network"]["communication_lost"] = False
+        self.last_status["network"]["messages_sent"] = self.messages_sent
+        self.last_status["network"]["messages_received"] = self.messages_received
+        self.last_status["network"]["last_message_time"] = self.last_message_time
         return self.last_status
 
     def set_relay(self, relay, state):
@@ -40,3 +86,19 @@ class PicoSimulator:
 
     def toggle_sensor_fault(self, sensor):
         return self.send_message(toggle_sensor_fault_request(sensor))
+
+    def disconnect_rs485(self):
+        self.rs485_connected = False
+
+    def restore_rs485(self):
+        self.rs485_connected = True
+
+    def get_comms(self):
+        return {
+            "primary": self.primary_link,
+            "backup_available": self.backup_link_available,
+            "rs485_connected": self.rs485_connected,
+            "messages_sent": self.messages_sent,
+            "messages_received": self.messages_received,
+            "last_message_time": self.last_message_time
+        }