Merge pull request #121 from zivillian/invalid_date

handle invalid date graceful
zivillian · Aug 25, 2024 · 360dca5 · 360dca5
2 parents c55bdc2 + 3198a71
commit 360dca5
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/ism7mqtt/ISM7/Xml/BM2DateConverterTemplate.cs b/src/ism7mqtt/ISM7/Xml/BM2DateConverterTemplate.cs
@@ -15,6 +15,11 @@ protected override void AddTelegram(byte low, byte high)
             var day = value & 0b1_1111;
             var month = (value >> 5) & 0xf;
             var year = value >> 9;
+            if (month > 11)
+            {
+                Console.Error.WriteLine($"received invalid date for {nameof(BM2DateConverterTemplate)}({TelegramNr}). Make sure you have a correct time set on your BM2");
+                return;
+            }
             _value = new DateTime(2000 + year, month + 1, day + 1);
         }