Implement CanProtocol for NeousysBus

Author: lumagi

can/interfaces/neousys/neousys.py

@@ -35,11 +35,13 @@
 except ImportError:
     from ctypes import CDLL
 
-from can import BusABC, Message
-from ...exceptions import (
+from can import (
+    BusABC,
+    Message,
     CanInitializationError,
     CanOperationError,
     CanInterfaceNotImplementedError,
+    CanProtocol,
 )
 
 
@@ -143,7 +145,7 @@ def __init__(self, channel, device=0, bitrate=500000, **kwargs):
         :param device: device number
         :param bitrate: bit rate.
         """
-        super().__init__(channel, **kwargs)
+        super().__init__(channel, protocol=CanProtocol.CAN_20, **kwargs)
 
         if NEOUSYS_CANLIB is None:
             raise CanInterfaceNotImplementedError("Neousys WDT_DIO Can driver missing")

test/test_neousys.py

@@ -1,20 +1,14 @@
 #!/usr/bin/env python
 
-import ctypes
-import os
-import pickle
 import unittest
-from unittest.mock import Mock
-
 from ctypes import (
     byref,
     cast,
     POINTER,
     sizeof,
     c_ubyte,
 )
-
-import pytest
+from unittest.mock import Mock
 
 import can
 from can.interfaces.neousys import neousys
@@ -42,6 +36,7 @@ def tearDown(self) -> None:
 
     def test_bus_creation(self) -> None:
         self.assertIsInstance(self.bus, neousys.NeousysBus)
+        self.assertEqual(self.bus.protocol, can.CanProtocol.CAN_20)
         self.assertTrue(neousys.NEOUSYS_CANLIB.CAN_Setup.called)
         self.assertTrue(neousys.NEOUSYS_CANLIB.CAN_Start.called)
         self.assertTrue(neousys.NEOUSYS_CANLIB.CAN_RegisterReceived.called)
@@ -68,6 +63,8 @@ def test_bus_creation(self) -> None:
     def test_bus_creation_bitrate(self) -> None:
         self.bus = can.Bus(channel=0, interface="neousys", bitrate=200000)
         self.assertIsInstance(self.bus, neousys.NeousysBus)
+        self.assertEqual(self.bus.protocol, can.CanProtocol.CAN_20)
+
         CAN_Start_args = (
             can.interfaces.neousys.neousys.NEOUSYS_CANLIB.CAN_Setup.call_args[0]
         )