From 3041cb654817a249f6d10f951be04e43a11d6d7d Mon Sep 17 00:00:00 2001
From: klausw <>
Date: Sun, 10 Sep 2017 21:45:38 +0000
Subject: [PATCH] =?UTF-8?q?52=5FI2C=5FLM75A:=20neue=20Version=20auf=200.12?=
 =?UTF-8?q?5=C2=B0C=20genau=20gerechnet=20(NXP-Sensorem)?=
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Content-Transfer-Encoding: 8bit

git-svn-id: https://svn.fhem.de/fhem/trunk@15048 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/52_I2C_LM75A.pm | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/fhem/FHEM/52_I2C_LM75A.pm b/fhem/FHEM/52_I2C_LM75A.pm
index 31bfc03f2..20d70ef8b 100644
--- a/fhem/FHEM/52_I2C_LM75A.pm
+++ b/fhem/FHEM/52_I2C_LM75A.pm
@@ -196,9 +196,13 @@ sub I2C_LM75A_GetTemp ($$) {
 	if(($raw[0] & 0x80) > 0) {
 		$temperature = 0xffffff00;
 	}
-	$temperature |= ($raw[0] & 0x7f) << 1;
-	$temperature |= (($raw[1] >> 7) & 1);
-	$temperature = $temperature / 2;
+#	$temperature |= ($raw[0] & 0x7f) << 1;
+#	$temperature |= (($raw[1] >> 7) & 1);
+
+  	my $temperature_11_bit = ($raw[0]<<8 | $raw[1]) >> 5; # Compute 11-bit temperature output value  
+	$temperature = ($temperature_11_bit) * 0.125; # Compute temperature in °C  
+
+#	$temperature = $temperature / 2;
     	Log3 $hash, 5, "temperature: $temperature";    
 	$temperature = sprintf(
 			'%.' . AttrVal($hash->{NAME}, 'roundTemperatureDecimal', 1) . 'f',