talker_timer.py
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1 #!/usr/bin/env python
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4 # Copyright (c) 2016, Kentaro Wada.
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33 
34 ## Timer-based talker demo that published std_msgs/Strings messages
35 ## to the 'chatter' topic.
36 
37 import rospy
38 from std_msgs.msg import String
39 
40 
41 def publish_callback(event):
42  hello_str = "hello world %s" % event.current_real.to_sec()
43  rospy.loginfo(hello_str)
44  pub.publish(hello_str)
45 
46 
47 if __name__ == '__main__':
48  try:
49  rospy.init_node('talker', anonymous=True)
50  pub = rospy.Publisher('chatter', String, queue_size=10)
51  timer = rospy.Timer(rospy.Duration(1. / 10), publish_callback) # 10Hz
52  rospy.spin()
53  except rospy.ROSInterruptException:
54  pass
def publish_callback(event)
Definition: talker_timer.py:41


rospy_tutorials
Author(s): Ken Conley
autogenerated on Fri Jun 7 2019 22:01:45