From 75a23d64b7a6c5adfa0e2f9575233b79361701ee Mon Sep 17 00:00:00 2001
From: klauswitt <klauswitt@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Wed, 14 May 2014 23:00:12 +0000
Subject: [PATCH] corrected round* attr

git-svn-id: https://svn.fhem.de/fhem/trunk@5865 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/52_I2C_SHT21.pm | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/fhem/FHEM/52_I2C_SHT21.pm b/fhem/FHEM/52_I2C_SHT21.pm
index 22c63e0af..972467acc 100644
--- a/fhem/FHEM/52_I2C_SHT21.pm
+++ b/fhem/FHEM/52_I2C_SHT21.pm
@@ -108,10 +108,16 @@ sub I2C_SHT21_Catch($) {
 
 
 sub I2C_SHT21_Attr (@) {# hier noch Werteueberpruefung einfuegen
-	my (undef, $name, $attr, $val) =  @_;
+	my ($command, $name, $attr, $val) =  @_;
 	my $hash = $defs{$name};
 	my $msg = '';
-
+	if ($command && $command eq "set" && $attr && $attr eq "IODev") {
+		if ($main::init_done and (!defined ($hash->{IODev}) or $hash->{IODev}->{NAME} ne $val)) {
+			main::AssignIoPort($hash,$val);
+			my @def = split (' ',$hash->{DEF});
+			I2C_SHT21_Init($hash,\@def) if (defined ($hash->{IODev}));
+		}
+	}
 	if ($attr eq 'poll_interval') {
 		#my $pollInterval = (defined($val) && looks_like_number($val) && $val > 0) ? $val : 0;
 		
@@ -122,9 +128,9 @@ sub I2C_SHT21_Attr (@) {# hier noch Werteueberpruefung einfuegen
 			$msg = 'Wrong poll intervall defined. poll_interval must be a number > 0';
 		}
 	} elsif ($attr eq 'roundHumidityDecimal') {
-		$msg = 'Wrong $attr defined. Use one of 0, 1, 2' if defined($val) && $val >= 0 && $val <= 2 ;
+		$msg = 'Wrong $attr defined. Use one of 0, 1, 2' if defined($val) && $val <= 0 && $val >= 2 ;
 	} elsif ($attr eq 'roundTemperatureDecimal') {
-		$msg = 'Wrong $attr defined. Use one of 0, 1, 2' if defined($val) && $val >= 0 && $val <= 2 ;
+		$msg = 'Wrong $attr defined. Use one of 0, 1, 2' if defined($val) && $val <= 0 && $val >= 2 ;
 	} 
 	return ($msg) ? $msg : undef;
 }