写一段ROS消息收发的python代码
时间: 2023-03-14 16:28:11 浏览: 80
import rospy
from std_msgs.msg import String
def callback(data):
rospy.loginfo(rospy.get_caller_id() + '我收到了: %s', data.data)
def listener():
rospy.init_node('listener', anonymous=True)
rospy.Subscriber('chatter', String, callback)
rospy.spin()
if __name__ == '__main__':
listener()