talker.py
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00001 #!/usr/bin/env python
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00033 
00034 ## Simple talker demo that publishes std_msg/Strings to the 'chatter' topic
00035 
00036 PKG = 'test_rospy' # this package name
00037 NAME = 'talker'
00038 
00039 import sys
00040 import time
00041 
00042 import rospy
00043 from std_msgs.msg import String
00044 
00045 def talker():
00046     # create our publish handle
00047     pub = rospy.Publisher('chatter', String)
00048 
00049     # in ROS, nodes are unique named. If two nodes with the same
00050     # node are launched, the previous one is kicked off. The 
00051     # anonymous=True flag means that rospy will choose a unique
00052     # name for our 'talker' node so that multiple talkers can
00053     # run simultaenously.
00054     rospy.init_node('talker', anonymous=True)
00055 
00056     count = 0
00057     while not rospy.is_shutdown():
00058         start = time.time()
00059         str = "hello world %d"%count
00060         print(str)
00061         pub.publish(String(str))
00062         count += 1
00063         time.sleep(0.1)
00064         
00065 if __name__ == '__main__':
00066     talker()
00067         


test_rospy
Author(s): Ken Conley
autogenerated on Thu Jun 6 2019 21:10:57