From 75f90d4650365bb1dfc0b4b18ce221a35a585683 Mon Sep 17 00:00:00 2001
From: justme-1968 <justme-1968@users.noreply.github.com>
Date: Fri, 27 Mar 2015 17:41:57 +0000
Subject: [PATCH] 34_SWAP.pm: fixed handling of mixed single bit / mulity byte
 endpoints, see forum: 34_SWAP.pm: fixed handling of single bit endpoints

git-svn-id: https://svn.fhem.de/fhem/trunk@8301 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/34_SWAP.pm | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/fhem/FHEM/34_SWAP.pm b/fhem/FHEM/34_SWAP.pm
index 396994cba..eecfeffd3 100755
--- a/fhem/FHEM/34_SWAP.pm
+++ b/fhem/FHEM/34_SWAP.pm
@@ -506,19 +506,21 @@ SWAP_Set($@)
       } else {
         my $len = $register->{size};
         if( !$len  ) {
-          my $max_position = 0;
+          my $max_pos = 0;
+          my $max_pos_size = 1;
           foreach my $endpoint ( @{$register->{endpoints}} ) {
             if( !defined($endpoint->{position}) ) {
               $len = $endpoint->{size};
               last;
             }
 
-            $max_position = maxNum( $max_position, int($endpoint->{position}) );
+            $max_pos = maxNum( $max_pos, int($endpoint->{position}) );
+            $max_pos_size = int($endpoint->{size} + 0.9 );
 
             $len += $endpoint->{size};
           }
 
-          $len = maxNum( $len, $max_position+1 );
+          $len = maxNum( $len, $max_pos+$max_pos_size );
         }
 
         return "value has to be ". $len ." byte(s) in size" if( $len*2 != length( $arg2 ) );