Index: dialin/utils/conversions.py
===================================================================
diff -u -rd9b45e5b52db2540a79cbc8795d82dda4fd3984b -rfcfc61f262717645f85479ebec4f474c08dbbfa3
--- dialin/utils/conversions.py	(.../conversions.py)	(revision d9b45e5b52db2540a79cbc8795d82dda4fd3984b)
+++ dialin/utils/conversions.py	(.../conversions.py)	(revision fcfc61f262717645f85479ebec4f474c08dbbfa3)
@@ -188,7 +188,7 @@
                              or four(4) bytes otherwise.
     @return: pair of the [value and incremented index by the length.
     """
-    length = 4 if is_double else 8
-    value = bytearray_to_value("f" if is_double else "d", buffer[index:index + length])
+    length = 8 if is_double else 4
+    value = bytearray_to_value("d" if is_double else "f", buffer[index:index + length])
     return value, index + length