migrated secop_psi drivers to new syntax

- includes all changes up to 'fix inheritance order' from git_mlz
  6a32ecf342

Change-Id: Ie3ceee3dbd0a9284b47b1d5b5dbe262eebe8f283

test/test_datatypes.py

@@ -26,8 +26,9 @@
 import pytest
 
 from secop.datatypes import ArrayOf, BLOBType, BoolType, \
-    DataType, EnumType, FloatRange, IntRange, ProgrammingError, ConfigError, \
-    ScaledInteger, StringType, TextType, StructOf, TupleOf, get_datatype, CommandType
+    CommandType, ConfigError, DataType, Enum, EnumType, FloatRange, \
+    IntRange, ProgrammingError, ScaledInteger, StatusType, \
+    StringType, StructOf, TextType, TupleOf, get_datatype
 
 
 def copytest(dt):
@@ -359,6 +360,7 @@ def test_BoolType():
         # pylint: disable=unexpected-keyword-arg
         BoolType(unit='K')
 
+
 def test_ArrayOf():
     # test constructor catching illegal arguments
     with pytest.raises(ValueError):
@@ -478,6 +480,14 @@ def test_Command():
         'result':{'type': 'int', 'min':-3, 'max':3}}
 
 
+def test_StatusType():
+    status_codes = Enum('Status', IDLE=100, WARN=200, BUSY=300, ERROR=400)
+    dt = StatusType(status_codes)
+    assert dt.IDLE == status_codes.IDLE
+    assert dt.ERROR == status_codes.ERROR
+    assert dt._enum == status_codes
+
+
 def test_get_datatype():
     with pytest.raises(ValueError):
         get_datatype(1)