Fix an strange bug in dpts.encoders .. strange bytearray([0]) + extends ?

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/trunk@1990 b32b6428-25c9-4566-ad07-03861ab6144f

devices/protocols/knx/xaal/knx/dpts.py

@@ -113,7 +113,8 @@ def de6(payload):
 
 
 def en7(value):
-    ret = bytearray([0])
+    print(value)
+    ret = bytearray()
     ret.extend(struct.pack('>H', int(value)))
     return ret
 
@@ -129,7 +130,7 @@ def en8(value):
         value = -32768
     elif value > 32767:
         value = 32767
-    ret = bytearray([0])
+    ret = bytearray()
     ret.extend(struct.pack('>h', int(value)))
     return ret
 
@@ -194,7 +195,7 @@ def en12(value):
         value = 0
     elif value > 4294967295:
         value = 4294967295
-    ret = bytearray([0])
+    ret = bytearray()
     ret.extend(struct.pack('>I', int(value)))
     return ret
 
@@ -210,7 +211,7 @@ def en13(value):
         value = -2147483648
     elif value > 2147483647:
         value = 2147483647
-    ret = bytearray([0])
+    ret = bytearray()
     ret.extend(struct.pack('>i', int(value)))
     return ret
 
@@ -222,7 +223,7 @@ def de13(payload):
 
 
 def en14(value):
-    ret = bytearray([0])
+    ret = bytearray()
     ret.extend(struct.pack('>f', int(value)))
     return ret