tools: Ensure that --serial or --udp are specified

At least one receiver has to be specified, otherwise the application would just exit without an action.
fetzerch · Feb 3, 2020 · 79e6e65 · 79e6e65
1 parent 4eb002e
commit 79e6e65
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/tools/weather_station.py b/tools/weather_station.py
@@ -233,6 +233,10 @@ def _parse_arguments(cls):
                                      "(e.g. 'study:*, garden:rf433_1')")
 
         args = parser.parse_args()
+
+        if not args.serial and not args.udp:
+            parser.error("Either --serial or --udp has to be specified")
+
         return args
 
     def __init__(self):