ros python subscriber
#!/usr/bin/env python
import rospy
from std_msgs.msg import String
def callback(data):
rospy.loginfo(rospy.get_caller_id() + "I heard %s", data.data)
def listener():
rospy.init_node('listener', anonymous=True)
rospy.Subscriber("chatter", String, callback)
rospy.spin()
if __name__ == '__main__':
listener()how to make a python node
class Node:
def __init__(self, value, link_node=None):
self.value = value
self.link_node = link_node
def set_link_node(self, link_node):
self.link_node = link_node
def get_link_node(self):
return self.link_node
def get_value(self):
return self.valueCopyright © 2021 Codeinu
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