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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: talker_header 3529 2009-01-23 22:35:53Z sfkwc $ 00035 00036 ## talker_header publishes HeaderString messages to the 'chatter_header' 00037 ## topic. 00038 00039 PKG = 'rospy_tutorials' 00040 import roslib; roslib.load_manifest(PKG) 00041 00042 import sys 00043 00044 import rospy 00045 from rospy_tutorials.msg import HeaderString 00046 00047 NAME = 'talker_header' 00048 00049 def talker_header(): 00050 pub = rospy.Publisher("chatter_header", HeaderString) 00051 00052 rospy.init_node(NAME) #blocks until registered with master 00053 count = 0 00054 while not rospy.is_shutdown(): 00055 str = 'hello world %s'%count 00056 print str 00057 # If None is used as the header value, rospy will automatically 00058 # fill it in. 00059 pub.publish(HeaderString(None, str)) 00060 count += 1 00061 rospy.sleep(0.1) 00062 00063 if __name__ == '__main__': 00064 talker_header() 00065