fix bug

jz_dev/jz_dev/jz_dev_node.py

@@ -6,9 +6,6 @@ from rclpy.node import Node
 from rclpy.action import ActionServer
 from rclpy.action import ActionServer
 from std_msgs.msg import String
-#from interfaces.srv import JzCmd
-from interfaces.action import JzCmd
-#from interfaces.srv import JzCmd
 from interfaces.action import JzCmd
 import sys
 import os

jz_dev/launch/jz_dev.launch.py

@@ -2,5 +2,6 @@ from launch import LaunchDescription
 from launch_ros.actions import Node
 def generate_launch_description():
     return LaunchDescription([
-        Node(package="meta_dev",executable="meta_dev_node",name="meta_dev_node",output="screen",parameters=[])
+        Node(package="jz_dev",executable="jz_dev_node",name="jz_dev_node",
+             parameters=[{'port':'/dev/ttyUSB0'}, {'name':'/jz_cmd0'}, {'devid':9}])
     ])