fhem.pl: add ReadingsAge (Forum #50783)

git-svn-id: https://svn.fhem.de/fhem/trunk@11065 2b470e98-0d58-463d-a4d8-8e2adae1ed80
2016-03-13 20:05:32 +00:00
parent 365ee30a05
commit a5ef4bd4e1
1 changed files with 7 additions and 0 deletions
--- a/fhem/fhem.pl
+++ b/fhem/fhem.pl
@@ -3708,6 +3708,13 @@ ReadingsTimestamp($$$)
  return $default;
 }

+sub
+ReadingsAge($$$)
+{
+  my ($device,$reading,$default) = @_;
+  return time() - time_str2num(ReadingsTimestamp($device,$reading,$default));
+}
+
 sub
 Value($)
 {