Merge pull request #23 from agilexrobotics/pr

[BUG]修复hardware/can_encapsulation.py/C_STD_CAN类内的SendCanMessage函数内调用is_can_bus_ok函数时,base_state为None的问题

Author: RosenYin

hardware_port/can_encapsulation.py

@@ -170,7 +170,9 @@ def is_can_bus_ok(self) -> bool:
         '''
         Check whether the CAN bus status is normal.
         '''
-        bus_state = self.bus.state
+        if isinstance(self.bus, can.BusABC):
+            bus_state = self.bus.state
+        else: bus_state = None
         if bus_state == can.BusState.ACTIVE:
             # print("CAN bus state: ACTIVE - Bus is functioning normally")
             return True