random_driver.cpp

#include <ros/ros.h>
#include <geometry_msgs/Twist.h> 
#include  <stdlib.h> 

int main(int argc, char **argv) {
     //Initializes ROS, and sets up a node
     ros::init(argc, argv, "random_husky_commands");
     ros::NodeHandle nh;

     //Ceates the publisher, and tells it to publish
     //to the husky/cmd_vel topic, with a queue size of 100
     // changed publish to read /husky_velocity_controller/cmd_vel
     // change repairs issues under indigo 
     ros::Publisher pub=nh.advertise<geometry_msgs::Twist>("husky_velocity_controller/cmd_vel", 100);

     //Sets up the random number generator
     srand(time(0));

     //Sets the loop to publish at a rate of 10Hz
     ros::Rate rate(10);

       while(ros::ok()) {
            //Declares the message to be sent
            geometry_msgs::Twist msg;
           //Random x value between -2 and 2
           msg.linear.x=4*double(rand())/double(RAND_MAX)-2;
           //Random y value between -3 and 3
           msg.angular.z=6*double(rand())/double(RAND_MAX)-3;
           //Publish the message
           pub.publish(msg);

          //Delays until it is time to send another message
          rate.sleep();
         }
}