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

5 votes208 views1 answer
How to round to 2 decimals with Python?
Python
0 vote199 views1 answer
Python PowerPoint
Python
0 vote204 views1 answer
COMBINE TWO 2-D NUMPY ARRAYS WITH NP.VSTACK
Python
0 vote194 views1 answer
Disbale tkinter textbox
Python
1 vote212 views2 answers
Datetime date of 10 years ago python
Python
2 votes192 views1 answer
How to clear an array python
Python
-1 vote203 views1 answer
Flask run on ip and port
Python
0 vote183 views9 answers
Convert c++ to python online
Python
1 vote235 views2 answers
Django content type
Python Django
5 votes202 views2 answers
Combining list of list to single list python
Python