diff --git a/can/interfaces/kvaser/canlib.py b/can/interfaces/kvaser/canlib.py index 9731a4415..a1dd03e58 100644 --- a/can/interfaces/kvaser/canlib.py +++ b/can/interfaces/kvaser/canlib.py @@ -439,7 +439,8 @@ def __init__( :param int data_bitrate: Which bitrate to use for data phase in CAN FD. Defaults to arbitration bitrate. - + :param bool no_init_access: + Don't open the handle with init access. """ log.info(f"CAN Filters: {can_filters}") @@ -455,6 +456,7 @@ def __init__( exclusive = kwargs.get("exclusive", False) override_exclusive = kwargs.get("override_exclusive", False) accept_virtual = kwargs.get("accept_virtual", True) + no_init_access = kwargs.get("no_init_access", False) fd = isinstance(timing, BitTimingFd) if timing else kwargs.get("fd", False) data_bitrate = kwargs.get("data_bitrate", None) fd_non_iso = kwargs.get("fd_non_iso", False) @@ -491,6 +493,8 @@ def __init__( flags |= canstat.canOPEN_OVERRIDE_EXCLUSIVE if accept_virtual: flags |= canstat.canOPEN_ACCEPT_VIRTUAL + if no_init_access: + flags |= canstat.canOPEN_NO_INIT_ACCESS if fd: if fd_non_iso: flags |= canstat.canOPEN_CAN_FD_NONISO diff --git a/test/test_kvaser.py b/test/test_kvaser.py index c18b3bc15..1ad035dec 100644 --- a/test/test_kvaser.py +++ b/test/test_kvaser.py @@ -277,6 +277,19 @@ def test_bus_get_stats(self): self.assertTrue(canlib.canGetBusStatistics.called) self.assertIsInstance(stats, canlib.structures.BusStatistics) + def test_bus_no_init_access(self): + canlib.canOpenChannel.reset_mock() + bus = can.Bus(interface="kvaser", channel=0, no_init_access=True) + + self.assertGreater(canlib.canOpenChannel.call_count, 0) + for call in canlib.canOpenChannel.call_args_list: + self.assertEqual( + call[0][1] & constants.canOPEN_NO_INIT_ACCESS, + constants.canOPEN_NO_INIT_ACCESS, + ) + + bus.shutdown() + @staticmethod def canGetNumberOfChannels(count): count._obj.value = 2