From 90e8a83de6e442b94d1ab9f015bb02692a1e5fb6 Mon Sep 17 00:00:00 2001
From: justme1968 <justme1968@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Tue, 25 Oct 2016 20:20:17 +0000
Subject: [PATCH] 31_HUEDevice.pm: save lastupdated timestamp across restarts

git-svn-id: https://svn.fhem.de/fhem/trunk@12429 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/31_HUEDevice.pm | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/fhem/FHEM/31_HUEDevice.pm b/fhem/FHEM/31_HUEDevice.pm
index 7b761759a..56ef990a1 100644
--- a/fhem/FHEM/31_HUEDevice.pm
+++ b/fhem/FHEM/31_HUEDevice.pm
@@ -1201,7 +1201,9 @@ HUEDevice_Parse($$)
 
         $lastupdated = FmtDateTime($sec);
       }
-      return undef if( $hash->{lastupdated} &&  $hash->{lastupdated} eq $lastupdated );
+
+      $hash->{lastupdated} = ReadingsVal( $name, '.lastupdated', undef ) if( !$hash->{lastupdated} );
+      return undef if( $hash->{lastupdated} && $hash->{lastupdated} eq $lastupdated );
 
       Log3 $name, 4, "$name: lastupdated: $lastupdated, hash->{lastupdated}:  $hash->{lastupdated}";
       Log3 $name, 5, "$name: ". Dumper $result;
@@ -1238,6 +1240,12 @@ HUEDevice_Parse($$)
          }
        }
 
+       if( $lastupdated ) {
+         $hash->{'.updateTimestamp'} = $lastupdated;
+         $hash->{CHANGETIME}[$i] = $lastupdated;
+         readingsBulkUpdate($hash, '.lastupdated', $lastupdated, 0);
+       }
+
        readingsEndUpdate($hash,1);
        delete $hash->{CHANGETIME};
      }