From a0b348e8c21fe2fe5f7d969044829143b6ab5c4c Mon Sep 17 00:00:00 2001
From: rudolfkoenig <rudolfkoenig@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Wed, 25 Nov 2009 10:12:29 +0000
Subject: [PATCH] rain_diff addition + div by zero fix

git-svn-id: https://svn.fhem.de/fhem/trunk@485 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/13_KS300.pm | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/fhem/FHEM/13_KS300.pm b/fhem/FHEM/13_KS300.pm
index 3ceaa739b..8a68803b6 100755
--- a/fhem/FHEM/13_KS300.pm
+++ b/fhem/FHEM/13_KS300.pm
@@ -91,11 +91,11 @@ KS300_Parse($$)
 
     my @v;
     my @txt = ( "rain_raw", "rain", "wind", "humidity", "temperature",
-                "israining", "unknown1", "unknown2", "unknown3");
-    my @sfx = ( "(counter)", "(l/m2)", "(km/h)", "(%)", "(Celsius)",
-                "(yes/no)", "","","");
+                "israining", "unknown1", "unknown2", "unknown3","rain_now");
+    my @sfx = ( "(counter)", "(l/m2)", "(km/h)", "", "",
+                "(yes/no)", "","","","");
     my %repchanged = ("rain"=>1, "wind"=>1, "humidity"=>1, "temperature"=>1,
-                "israining"=>1);
+                "israining"=>1, "rain_diff" =>1);
 
     # counter for the change hash
     my $n= 1; # 0 is STATE and will b explicitely set
@@ -218,6 +218,13 @@ KS300_Parse($$)
     $v[6] = $a[29];
     $v[7] = $a[16];
     $v[8] = $a[17];
+    if($v[1]){                  # rain diff
+      my $rain_old = $def->{READINGS}{'rain'}{VAL};
+      $rain_old =~ s/[^0123456789.]//g;
+      $v[9] = $v[1] - $rain_old;
+    } else {
+      $v[9] = 0;
+    }
 
     # Negative temp
     $v[4] = -$v[4] if($v[8] & 8);