Add input values checking, as suggested

Author: bouwew

plugwise_usb/__init__.py

@@ -216,7 +216,7 @@ async def set_energy_intervals(
         """Configure the energy logging interval settings."""
         try:
             await self._network.set_energy_intervals(mac, cons_interval, prod_interval)
-        except (MessageError, NodeError) as exc:
+        except (MessageError, NodeError, ValueError) as exc:
             raise NodeError(f"{exc}") from exc
         return True
 

plugwise_usb/network/__init__.py

@@ -549,7 +549,15 @@ async def set_energy_intervals(
         Default: consumption = 60, production = 0.
         For logging energy in both directions set both to 60.
         """
-        _LOGGER.debug("set_energy_intervals | cons=%s, prod=%s", consumption, production)
+        # Validate input parameters
+        if consumption <= 0:
+            raise ValueError("Consumption interval must be positive")
+        if production < 0:
+            raise ValueError("Production interval must be non-negative")
+        if production > 0 and production % consumption != 0:
+            raise ValueError("Production interval must be a multiple of consumption interval")
+
+        _LOGGER.debug("set_energy_intervals | cons=%s, prod=%s", consumption, production)        
         request = CircleMeasureIntervalRequest(
             self._controller.send, bytes(mac, UTF8), consumption, production
         )