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 vote135 views1 answer
Using claudinary in django
Python
0 vote124 views1 answer
Python hand tracking module
Python
0 vote119 views2 answers
How to draw a bar graph in python
Python
0 vote131 views1 answer
Pandas recognize type from strings
Python
2 votes159 views1 answer
How to return images in flask response?
Python Flask
2 votes111 views1 answer
Regex for digits python
Python
5 votes108 views2 answers
Who created python
Python
35 votes115 views5 answers
Drop column with nan values
Python
7 votes108 views2 answers
Make pandas df from np array
Python
0 vote80 views1 answer
Add date and time of today in python
Python