From 6cd030203a015db296c290743ba7e6ff3d12a2f4 Mon Sep 17 00:00:00 2001
From: thelsing <thomas.kunze@gmx.com>
Date: Fri, 3 Jul 2020 00:47:29 +0200
Subject: [PATCH] Update data_property.cpp

---
 src/knx/data_property.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/knx/data_property.cpp b/src/knx/data_property.cpp
index 408ac32..00e1141 100644
--- a/src/knx/data_property.cpp
+++ b/src/knx/data_property.cpp
@@ -18,7 +18,7 @@ uint8_t DataProperty::read(uint16_t start, uint8_t count, uint8_t* data) const
     start -= 1;
 
     // data is already big enough to hold the data
-    memcpy(data, _data + start, count * ElementSize());
+    memcpy(data, _data + (start * ElementSize()), count * ElementSize()); 
 
     return count;
 }
@@ -66,7 +66,7 @@ uint8_t DataProperty::write(uint16_t start, uint8_t count, const uint8_t* data)
         _currentElements = start + count;
     }
 
-    memcpy(_data + start, data, count * ElementSize());
+    memcpy(_data + (start * ElementSize()), data, count * ElementSize());
 
     return count;
 }