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()

Source: wiki.ros.org

Ros beginner tutorial python publisher

   1 #!/usr/bin/env python
   2 # license removed for brevity
   3 import rospy
   4 from std_msgs.msg import String
   5 
   6 def talker():
   7     pub = rospy.Publisher('chatter', String, queue_size=10)
   8     rospy.init_node('talker', anonymous=True)
   9     rate = rospy.Rate(10) # 10hz
  10     while not rospy.is_shutdown():
  11         hello_str = "hello world %s" % rospy.get_time()
  12         rospy.loginfo(hello_str)
  13         pub.publish(hello_str)
  14         rate.sleep()
  15 
  16 if __name__ == '__main__':
  17     try:
  18         talker()
  19     except rospy.ROSInterruptException:
  20         pass

Source: wiki.ros.org

Similar codes

0 vote159 views4 answers
How to show variable in Jupyter
Python
25 votes151 views3 answers
Opencv documentation
Python
0 vote143 views1 answer
Linear zoeken python
Python
9 votes133 views6 answers
Module in python
Python
0 vote133 views1 answer
Form valid django created by
Python
0 vote166 views1 answer
From plyfile import PlyData ModuleNotFoundError: No module named 'plyfile'
Python
1 vote129 views1 answer
Python append several values
Python
0 vote157 views1 answer
Using strip() method to remove the newline character from a string
Python
6 votes149 views1 answer
How to reverse word order in python
Python
0 vote150 views1 answer
Multi-line comments Python Example
Python