talker.py
Go to the documentation of this file.
00001 #!/usr/bin/env python
00002 # Software License Agreement (BSD License)
00003 #
00004 # Copyright (c) 2008, Willow Garage, Inc.
00005 # All rights reserved.
00006 #
00007 # Redistribution and use in source and binary forms, with or without
00008 # modification, are permitted provided that the following conditions
00009 # are met:
00010 #
00011 #  * Redistributions of source code must retain the above copyright
00012 #    notice, this list of conditions and the following disclaimer.
00013 #  * Redistributions in binary form must reproduce the above
00014 #    copyright notice, this list of conditions and the following
00015 #    disclaimer in the documentation and/or other materials provided
00016 #    with the distribution.
00017 #  * Neither the name of Willow Garage, Inc. nor the names of its
00018 #    contributors may be used to endorse or promote products derived
00019 #    from this software without specific prior written permission.
00020 #
00021 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00022 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00023 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00024 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
00025 # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00026 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00027 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00028 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00029 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00030 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
00031 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00032 # POSSIBILITY OF SUCH DAMAGE.
00033 #
00034 # Revision $Id$
00035 
00036 ## Simple talker demo that published std_msgs/Strings messages
00037 ## to the 'chatter' topic
00038 
00039 import rospy
00040 from std_msgs.msg import String
00041 
00042 def talker():
00043     pub = rospy.Publisher('chatter', String, queue_size=10)
00044     rospy.init_node('talker', anonymous=True)
00045     rate = rospy.Rate(10) # 10hz
00046     while not rospy.is_shutdown():
00047         hello_str = "hello world %s" % rospy.get_time()
00048         rospy.loginfo(hello_str)
00049         pub.publish(hello_str)
00050         rate.sleep()
00051 
00052 if __name__ == '__main__':
00053     try:
00054         talker()
00055     except rospy.ROSInterruptException:
00056         pass


rospy_tutorials
Author(s): Ken Conley
autogenerated on Sun Mar 20 2016 04:51:24