fix: fix timestamp inconsistencies between Windows and Linux (#459)

src/pykiso/lib/connectors/cc_pcan_can/cc_pcan_can.py

@@ -34,6 +34,16 @@
 except ImportError as e:
     raise ImportError(f"{e.name} dependency missing, consider installing pykiso with 'pip install pykiso[can]'")
 
+try:
+    # use to avoid timestamp inconsistances between pykiso and python can
+    import uptime
+
+    if uptime.boottime() is None:
+        boottime_epoch = 0
+    else:
+        boottime_epoch = uptime.boottime().timestamp()
+except ImportError:
+    boottime_epoch = 0
 
 from pykiso import CChannel
 
@@ -152,6 +162,7 @@ def __init__(
         # In case of a multi-threading system, all tasks will be called one after the other.
         self.timeout = 1e-6
         self.trc_count = 0
+        self.boottime_epoch = boottime_epoch
         self._initialize_trace()
 
         if bus_error_warning_filter:
@@ -358,7 +369,7 @@ def _cc_receive(self, timeout: float = 0.0001) -> Dict[str, Union[bytes, int, No
             if received_msg is not None:
                 frame_id = received_msg.arbitration_id
                 payload = received_msg.data
-                timestamp = received_msg.timestamp
+                timestamp = received_msg.timestamp - self.boottime_epoch
 
                 log.internal_debug(
                     "received CAN Message: %s, %s, %s",

tests/test_cc_pcan_can.py

@@ -22,18 +22,9 @@
 
 from pykiso import Message
 from pykiso.lib.connectors.cc_pcan_can import cc_pcan_can
-from pykiso.lib.connectors.cc_pcan_can.cc_pcan_can import (
-    CCPCanCan,
-    PCANBasic,
-    can,
-)
+from pykiso.lib.connectors.cc_pcan_can.cc_pcan_can import CCPCanCan, PCANBasic, can
 from pykiso.lib.connectors.cc_pcan_can.trc_handler import TRCReaderCanFD
-from pykiso.message import (
-    MessageAckType,
-    MessageCommandType,
-    MessageType,
-    TlvKnownTags,
-)
+from pykiso.message import MessageAckType, MessageCommandType, MessageType, TlvKnownTags
 
 tlv_dict_to_send = {
     TlvKnownTags.TEST_REPORT: "OK",
@@ -274,6 +265,12 @@ def test_import():
     importlib.reload(cc_pcan_can)
 
 
+def test_import_uptime():
+    sys.modules["uptime"] = None
+    importlib.reload(cc_pcan_can)
+    assert cc_pcan_can.boottime_epoch == 0
+
+
 @pytest.mark.parametrize(
     "constructor_params, expected_config",
     [