Sync time periodically

app/main.py

@@ -18,6 +18,7 @@ from app.radio_sync import (
     stop_message_polling,
     stop_periodic_sync,
     sync_and_offload_all,
+    sync_radio_time,
 )
 from app.routers import channels, contacts, health, messages, packets, radio, read_state, settings, ws
 
@@ -37,6 +38,9 @@ async def lifespan(app: FastAPI):
         if radio_manager.meshcore:
             register_event_handlers(radio_manager.meshcore)
 
+            # Sync radio clock with system time
+            await sync_radio_time()
+
             # Sync contacts/channels from radio to DB and clear radio
             logger.info("Syncing and offloading radio data...")
             result = await sync_and_offload_all()

app/radio_sync.py

@@ -332,6 +332,26 @@ async def stop_message_polling():
         logger.info("Stopped periodic message polling")
 
 
+async def sync_radio_time() -> bool:
+    """Sync the radio's clock with the system time.
+
+    Returns True if successful, False otherwise.
+    """
+    mc = radio_manager.meshcore
+    if not mc:
+        logger.debug("Cannot sync time: radio not connected")
+        return False
+
+    try:
+        now = int(time.time())
+        await mc.commands.set_time(now)
+        logger.debug("Synced radio time to %d", now)
+        return True
+    except Exception as e:
+        logger.warning("Failed to sync radio time: %s", e)
+        return False
+
+
 async def _periodic_sync_loop():
     """Background task that periodically syncs and offloads."""
     while True:
@@ -339,6 +359,7 @@ async def _periodic_sync_loop():
             await asyncio.sleep(SYNC_INTERVAL)
             logger.debug("Running periodic radio sync")
             await sync_and_offload_all()
+            await sync_radio_time()
         except asyncio.CancelledError:
             logger.info("Periodic sync task cancelled")
             break

app/routers/radio.py

@@ -1,11 +1,11 @@
 import logging
-import time
 
 from fastapi import APIRouter, HTTPException
 from meshcore import EventType
 from pydantic import BaseModel, Field
 
 from app.dependencies import require_connected
+from app.radio_sync import sync_radio_time
 
 logger = logging.getLogger(__name__)
 router = APIRouter(prefix="/radio", tags=["radio"])
@@ -101,9 +101,7 @@ async def update_radio_config(update: RadioConfigUpdate) -> RadioConfigResponse:
         )
 
     # Sync time with system clock
-    now = int(time.time())
-    logger.debug("Syncing radio time to %d", now)
-    await mc.commands.set_time(now)
+    await sync_radio_time()
 
     return await get_radio_config()