When there is an invalid frame on CAN bus (in our case CAN FD), PCAN …

…first reports result PCAN_ERROR_ILLDATA and then it send the error frame. If the PCAN_ERROR_ILLDATA is not ignored, python-can throws an exception.

This fix add the ignore on the PCAN_ERROR_ILLDATA.

can/interfaces/pcan/pcan.py

@@ -45,6 +45,7 @@
     PCAN_ERROR_BUSLIGHT,
     PCAN_ERROR_OK,
     PCAN_ERROR_QRCVEMPTY,
+    PCAN_ERROR_ILLDATA,
     PCAN_FD_PARAMETER_LIST,
     PCAN_LANBUS1,
     PCAN_LISTEN_ONLY,
@@ -555,6 +556,10 @@ def _recv_internal(
             elif result & (PCAN_ERROR_BUSLIGHT | PCAN_ERROR_BUSHEAVY):
                 log.warning(self._get_formatted_error(result))
 
+            elif result == PCAN_ERROR_ILLDATA:
+                # Ignore this
+                pass
+
             else:
                 raise PcanCanOperationError(self._get_formatted_error(result))