ANRO summer school

#!/usr/bin/env python

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# Revision $Id$

## Simple talker demo that published std_msgs/Strings messages

## to the 'chatter' topic

import rospy

from std_msgs.msg import String

def talker():

    pub = rospy.Publisher('chatter', String, queue_size=10)

    rospy.init_node('talker', anonymous=True)

    rate = rospy.Rate(10) # 10hz

    while not rospy.is_shutdown():

        hello_str = "hello world %s" % rospy.get_time()

        rospy.loginfo(hello_str)

        pub.publish(hello_str)

        rate.sleep()

if __name__ == '__main__':

    try:

        talker()

    except rospy.ROSInterruptException:

        pass