summit_xl_pad.cpp

Go to the documentation of this file.

/*
 * summit_xl_pad
 * Copyright (c) 2012, Robotnik Automation, SLL
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Robotnik Automation, SLL. nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * \author Robotnik Automation, SLL
 * \brief Allows to use a pad with the roboy controller, sending the messages received from the joystick device
 */


#include <ros/ros.h>
#include <sensor_msgs/Joy.h>
#include <geometry_msgs/Twist.h>
#include <robotnik_msgs/ptz.h>
// Not yet catkinized 9/2013
// #include <sound_play/sound_play.h>
#include <unistd.h>
#include <robotnik_msgs/set_mode.h>
#include <robotnik_msgs/set_digital_output.h>
#include <robotnik_msgs/ptz.h>
#include <robotnik_msgs/home.h>
#include <diagnostic_updater/diagnostic_updater.h>
#include <diagnostic_updater/publisher.h>

#define DEFAULT_NUM_OF_BUTTONS          16
#define DEFAULT_AXIS_LINEAR_X           1
#define DEFAULT_AXIS_LINEAR_Y       0
#define DEFAULT_AXIS_ANGULAR            2
#define DEFAULT_AXIS_LINEAR_Z       3   
#define DEFAULT_SCALE_LINEAR            1.0
#define DEFAULT_SCALE_ANGULAR           2.0
#define DEFAULT_SCALE_LINEAR_Z      1.0 

//Used only with ps4
#define AXIS_PTZ_TILT_UP  0
#define AXIS_PTZ_TILT_DOWN  1
#define AXIS_PTZ_PAN_LEFT  2
#define AXIS_PTZ_PAN_RIGHT  3

    
//                               NOTE:                                //
// This configuration is made for a THRUSTMASTER T-Wireless 3in1 Joy  //
//   please feel free to modify to adapt for your own joystick.       //   
//                                                                    //


class SummitXLPad
{
        public:
        SummitXLPad();
        void Update();

        private:
        void padCallback(const sensor_msgs::Joy::ConstPtr& joy);
        ros::NodeHandle nh_;

        int linear_x_, linear_y_, linear_z_, angular_;
        double l_scale_, a_scale_, l_scale_z_; 
        ros::Publisher vel_pub_, ptz_pub_;
        ros::Subscriber pad_sub_;
        std::string cmd_topic_vel_;
        std::string cmd_service_io_;
        std::string cmd_topic_ptz_;
        double current_vel;
        std::string pad_type_;
        int dead_man_button_;
        int speed_up_button_, speed_down_button_;
        int button_output_1_, button_output_2_;
        int output_1_, output_2_;
        bool bOutput1, bOutput2;
        int button_kinematic_mode_;
        int kinematic_mode_;
        ros::ServiceClient setKinematicMode;  
        std::string cmd_set_mode_;
        int button_home_;
        ros::ServiceClient doHome;
        std::string cmd_home_;
        int ptz_tilt_up_, ptz_tilt_down_, ptz_pan_right_, ptz_pan_left_;
        int ptz_zoom_wide_, ptz_zoom_tele_;     
        ros::ServiceClient set_digital_outputs_client_;  
        int num_of_buttons_;
        bool bRegisteredButtonEvent[DEFAULT_NUM_OF_BUTTONS];
        bool bRegisteredDirectionalArrows[4];

        // DIAGNOSTICS
        diagnostic_updater::HeaderlessTopicDiagnostic *pub_command_freq; 
        diagnostic_updater::HeaderlessTopicDiagnostic *sus_joy_freq; 
        diagnostic_updater::Updater updater_pad;        
        double min_freq_command, min_freq_joy; // 
        double max_freq_command, max_freq_joy; //       
        bool bEnable;
        bool last_command_;
        //  sound_play::SoundClient sc;
        int pan_increment_, tilt_increment_;
        int zoom_increment_;
        std::string joystick_dead_zone_;
};


SummitXLPad::SummitXLPad():
  linear_x_(1),
  linear_y_(0),
  angular_(2),
  linear_z_(3)
{
        current_vel = 0.1;

        //JOYSTICK PAD TYPE
        nh_.param<std::string>("pad_type",pad_type_,"ps3");
        // 
        nh_.param("num_of_buttons", num_of_buttons_, DEFAULT_NUM_OF_BUTTONS);
        // MOTION CONF
        nh_.param("axis_linear_x", linear_x_, DEFAULT_AXIS_LINEAR_X);
        nh_.param("axis_linear_y", linear_y_, DEFAULT_AXIS_LINEAR_Y);
        nh_.param("axis_linear_z", linear_z_, DEFAULT_AXIS_LINEAR_Z);
        nh_.param("axis_angular", angular_, DEFAULT_AXIS_ANGULAR);
        nh_.param("scale_angular", a_scale_, DEFAULT_SCALE_ANGULAR);
        nh_.param("scale_linear", l_scale_, DEFAULT_SCALE_LINEAR);
        nh_.param("scale_linear_z", l_scale_z_, DEFAULT_SCALE_LINEAR_Z);
        nh_.param("cmd_topic_vel", cmd_topic_vel_, cmd_topic_vel_);
        nh_.param("button_dead_man", dead_man_button_, dead_man_button_);
        nh_.param("button_speed_up", speed_up_button_, speed_up_button_);  //4 Thrustmaster
        nh_.param("button_speed_down", speed_down_button_, speed_down_button_); //5 Thrustmaster
        nh_.param<std::string>("joystick_dead_zone", joystick_dead_zone_, "true");
        
        // DIGITAL OUTPUTS CONF
        nh_.param("cmd_service_io", cmd_service_io_, cmd_service_io_);
        nh_.param("button_output_1", button_output_1_, button_output_1_);
        nh_.param("button_output_2", button_output_2_, button_output_2_);
        nh_.param("output_1", output_1_, output_1_);
        nh_.param("output_2", output_2_, output_2_);
        // PANTILT-ZOOM CONF
        nh_.param("cmd_topic_ptz", cmd_topic_ptz_, cmd_topic_ptz_);
        nh_.param("button_ptz_tilt_up", ptz_tilt_up_, ptz_tilt_up_);
        nh_.param("button_ptz_tilt_down", ptz_tilt_down_, ptz_tilt_down_);
        nh_.param("button_ptz_pan_right", ptz_pan_right_, ptz_pan_right_);
        nh_.param("button_ptz_pan_left", ptz_pan_left_, ptz_pan_left_);
        nh_.param("button_ptz_zoom_wide", ptz_zoom_wide_, ptz_zoom_wide_);
        nh_.param("button_ptz_zoom_tele", ptz_zoom_tele_, ptz_zoom_tele_);
        nh_.param("button_home", button_home_, button_home_);
        nh_.param("pan_increment", pan_increment_, 1);
        nh_.param("tilt_increment",tilt_increment_, 1);
        nh_.param("zoom_increment", zoom_increment_, 1);

        // KINEMATIC MODE 
        nh_.param("button_kinematic_mode", button_kinematic_mode_, button_kinematic_mode_);
        nh_.param("cmd_service_set_mode", cmd_set_mode_, cmd_set_mode_);
  nh_.param("cmd_service_home", cmd_home_, cmd_home_);
        kinematic_mode_ = 1;
        
        ROS_INFO("SummitXLPad num_of_buttons_ = %d", num_of_buttons_);  
        for(int i = 0; i < num_of_buttons_; i++){
                bRegisteredButtonEvent[i] = false;
                ROS_INFO("bREG %d", i);
                }

        for(int i = 0; i < 3; i++){
          bRegisteredDirectionalArrows[i] = false;
        }

        /*ROS_INFO("Service I/O = [%s]", cmd_service_io_.c_str());
        ROS_INFO("Topic PTZ = [%s]", cmd_topic_ptz_.c_str());
        ROS_INFO("Service I/O = [%s]", cmd_topic_vel_.c_str());
        ROS_INFO("Axis linear = %d", linear_);
        ROS_INFO("Axis angular = %d", angular_);
        ROS_INFO("Scale angular = %d", a_scale_);
        ROS_INFO("Deadman button = %d", dead_man_button_);
        ROS_INFO("OUTPUT1 button %d", button_output_1_);
        ROS_INFO("OUTPUT2 button %d", button_output_2_);
        ROS_INFO("OUTPUT1 button %d", button_output_1_);
        ROS_INFO("OUTPUT2 button %d", button_output_2_);*/      

        // Publish through the node handle Twist type messages to the guardian_controller/command topic
        vel_pub_ = nh_.advertise<geometry_msgs::Twist>(cmd_topic_vel_, 1);
        //  Publishes msgs for the pant-tilt cam
        ptz_pub_ = nh_.advertise<robotnik_msgs::ptz>(cmd_topic_ptz_, 1);

        // Listen through the node handle sensor_msgs::Joy messages from joystick 
        // (these are the references that we will sent to summit_xl_controller/command)
        pad_sub_ = nh_.subscribe<sensor_msgs::Joy>("joy", 10, &SummitXLPad::padCallback, this);
        
        // Request service to activate / deactivate digital I/O
        set_digital_outputs_client_ = nh_.serviceClient<robotnik_msgs::set_digital_output>(cmd_service_io_);
        bOutput1 = bOutput2 = false;

        // Request service to set kinematic mode 
        setKinematicMode = nh_.serviceClient<robotnik_msgs::set_mode>(cmd_set_mode_);

        // Request service to start homing
        doHome = nh_.serviceClient<robotnik_msgs::home>(cmd_home_);

        // Diagnostics
        updater_pad.setHardwareID("None");
        // Topics freq control 
        min_freq_command = min_freq_joy = 5.0;
        max_freq_command = max_freq_joy = 50.0;
        sus_joy_freq = new diagnostic_updater::HeaderlessTopicDiagnostic("/joy", updater_pad,
                            diagnostic_updater::FrequencyStatusParam(&min_freq_joy, &max_freq_joy, 0.1, 10));

        pub_command_freq = new diagnostic_updater::HeaderlessTopicDiagnostic(cmd_topic_vel_.c_str(), updater_pad,
                            diagnostic_updater::FrequencyStatusParam(&min_freq_command, &max_freq_command, 0.1, 10));


        bEnable = false;        // Communication flag disabled by default
        last_command_ = true;
}


/*
 *      \brief Updates the diagnostic component. Diagnostics
 *
 */
void SummitXLPad::Update(){
        updater_pad.update();
}



void SummitXLPad::padCallback(const sensor_msgs::Joy::ConstPtr& joy)
{
        geometry_msgs::Twist vel;
        robotnik_msgs::ptz ptz;
        bool ptzEvent = false;

        vel.linear.x = 0.0;
        vel.linear.y = 0.0;
        vel.linear.z = 0.0;
        
        vel.angular.x = 0.0;
        vel.angular.y = 0.0;
        vel.angular.z = 0.0;
        
        bEnable = (joy->buttons[dead_man_button_] == 1);

        // Actions dependant on dead-man button
        if (joy->buttons[dead_man_button_] == 1) {
                //ROS_ERROR("SummitXLPad::padCallback: DEADMAN button %d", dead_man_button_);
                //Set the current velocity level
                if ( joy->buttons[speed_down_button_] == 1 ){

                        if(!bRegisteredButtonEvent[speed_down_button_]) 
                                if(current_vel > 0.1){
                                        current_vel = current_vel - 0.1;
                                        bRegisteredButtonEvent[speed_down_button_] = true;
                                        ROS_INFO("Velocity: %f%%", current_vel*100.0);
                                        char buf[50]="\0";
                                        int percent = (int) (current_vel*100.0);
                                        sprintf(buf," %d percent", percent);
                    // sc.say(buf);
                                }
                }else{
                        bRegisteredButtonEvent[speed_down_button_] = false;
                 }
                //ROS_ERROR("SummitXLPad::padCallback: Passed SPEED DOWN button %d", speed_down_button_);
                if (joy->buttons[speed_up_button_] == 1){
                        if(!bRegisteredButtonEvent[speed_up_button_])
                                if(current_vel < 0.9){
                                        current_vel = current_vel + 0.1;
                                        bRegisteredButtonEvent[speed_up_button_] = true;
                                        ROS_INFO("Velocity: %f%%", current_vel*100.0);
                                        char buf[50]="\0";
                                        int percent = (int) (current_vel*100.0);
                                        sprintf(buf," %d percent", percent);
                    // sc.say(buf);
                                }
                  
                }else{
                        bRegisteredButtonEvent[speed_up_button_] = false;
                }
                //ROS_ERROR("SummitXLPad::padCallback: Passed SPEED UP button %d", speed_up_button_);
                
                
                
                vel.linear.x = current_vel*l_scale_*joy->axes[linear_x_];
                vel.linear.y = current_vel*l_scale_*joy->axes[linear_y_];
                
                //ROS_ERROR("SummitXLPad::padCallback: Passed linear axes");
                
                if(joystick_dead_zone_=="true")
                {
                        // limit scissor movement or robot turning (they are in the same joystick)
                        if(joy->axes[angular_] == 1.0 || joy->axes[angular_] == -1.0) // if robot turning
                        {
                                // Same angular velocity for the three axis
                                vel.angular.x = current_vel*(a_scale_*joy->axes[angular_]);
                                vel.angular.y = current_vel*(a_scale_*joy->axes[angular_]);
                                vel.angular.z = current_vel*(a_scale_*joy->axes[angular_]);
                                
                                vel.linear.z = 0.0;
                        }
                        else if (joy->axes[linear_z_] == 1.0 || joy->axes[linear_z_] == -1.0) // if scissor moving 
                        {
                                vel.linear.z = current_vel*l_scale_z_*joy->axes[linear_z_]; // scissor movement
                        
                                // limit robot turn
                                vel.angular.x = 0.0;
                                vel.angular.y = 0.0;
                                vel.angular.z = 0.0;
                        }
                        else
                        {
                                // Same angular velocity for the three axis
                                vel.angular.x = current_vel*(a_scale_*joy->axes[angular_]);
                                vel.angular.y = current_vel*(a_scale_*joy->axes[angular_]);
                                vel.angular.z = current_vel*(a_scale_*joy->axes[angular_]);
                                vel.linear.z = current_vel*l_scale_z_*joy->axes[linear_z_]; // scissor movement
                        } 
                }
                else // no dead zone
                {
                        vel.angular.x = current_vel*(a_scale_*joy->axes[angular_]);
                        vel.angular.y = current_vel*(a_scale_*joy->axes[angular_]);
                        vel.angular.z = current_vel*(a_scale_*joy->axes[angular_]);
                        vel.linear.z = current_vel*l_scale_z_*joy->axes[linear_z_];
                }
                
                //ROS_ERROR("SummitXLPad::padCallback: Passed joystick deadzone ifelse");
                
                

                // LIGHTS
                if (joy->buttons[button_output_1_] == 1) {

                        if(!bRegisteredButtonEvent[button_output_1_]){
                                //ROS_INFO("SummitXLPad::padCallback: OUTPUT1 button %d", button_output_1_);
                                robotnik_msgs::set_digital_output write_do_srv;
                                write_do_srv.request.output = output_1_;
                                bOutput1=!bOutput1;
                                write_do_srv.request.value = bOutput1;
                                if(bEnable){
                                        set_digital_outputs_client_.call( write_do_srv );
                                        bRegisteredButtonEvent[button_output_1_] = true;
                                }
                        }
                }else{
                        bRegisteredButtonEvent[button_output_1_] = false;
                }

                if (joy->buttons[button_output_2_] == 1) {
                        
                        if(!bRegisteredButtonEvent[button_output_2_]){                               
                                //ROS_INFO("SummitXLPad::padCallback: OUTPUT2 button %d", button_output_2_);
                                robotnik_msgs::set_digital_output write_do_srv;
                                write_do_srv.request.output = output_2_;
                                bOutput2=!bOutput2;
                                write_do_srv.request.value = bOutput2;

                                if(bEnable){
                                        set_digital_outputs_client_.call( write_do_srv );
                                        bRegisteredButtonEvent[button_output_2_] = true;
                                }
                        }                                       
                }else{
                        bRegisteredButtonEvent[button_output_2_] = false;
                }
                 
                //ROS_ERROR("SummitXLPad::padCallback: Passed LIGHTS");

                // HOMING SERVICE 
                if (joy->buttons[button_home_] == 1) {
                        if (!bRegisteredButtonEvent[button_home_]) {
                                robotnik_msgs::home home_srv;
                                home_srv.request.request = true;
                                if (bEnable) {
                                   ROS_INFO("SummitXLPad::padCallback - Home");
                                   doHome.call( home_srv );                     
                                   bRegisteredButtonEvent[button_home_] = true;
                                   }                                  
                        }
                        // Use this button also to block robot motion while moving the scissor
                        vel.angular.x = 0.0;
                        vel.angular.y = 0.0;
                        vel.angular.z = 0.0;
                        vel.linear.x = 0.0;
                        vel.linear.y = 0.0;
                }
                else {
                        bRegisteredButtonEvent[button_home_]=false;
                }
                
                //ROS_ERROR("SummitXLPad::padCallback: Passed HOME BUTTON");
                
                // SPHERECAM
                ptz.pan = ptz.tilt = ptz.zoom = 0.0;
                ptz.relative = true;

                if(pad_type_=="ps4" || pad_type_=="logitechf710")
                {
                        if (joy->axes[ptz_tilt_up_] == 1.0) {
                                if(!bRegisteredDirectionalArrows[AXIS_PTZ_TILT_UP]){
                                         ptz.tilt = tilt_increment_;
                                         //ROS_INFO("SummitXLPad::padCallback: TILT UP");
                                         bRegisteredDirectionalArrows[AXIS_PTZ_TILT_UP] = true;
                                         ptzEvent = true;
                                }
                        }else{
                                bRegisteredDirectionalArrows[AXIS_PTZ_TILT_UP] = false;
                        }
                        if (joy->axes[ptz_tilt_down_] == -1.0) {
                                if(!bRegisteredDirectionalArrows[AXIS_PTZ_TILT_DOWN]){
                                        ptz.tilt = -tilt_increment_;
                                        //ROS_INFO("SummitXLPad::padCallback: TILT DOWN");
                                        bRegisteredDirectionalArrows[AXIS_PTZ_TILT_DOWN] = true;
                                        ptzEvent = true;
                                }
                        }else{
                                bRegisteredDirectionalArrows[AXIS_PTZ_TILT_DOWN] = false;
                        }
                        if (joy->axes[ptz_pan_left_] == 1.0) {
                                if(!bRegisteredDirectionalArrows[AXIS_PTZ_PAN_LEFT]){
                                        ptz.pan = -pan_increment_;
                                        //ROS_INFO("SummitXLPad::padCallback: PAN LEFT");
                                        bRegisteredDirectionalArrows[AXIS_PTZ_PAN_LEFT] = true;
                                        ptzEvent = true;
                                }
                        }else{
                                bRegisteredDirectionalArrows[AXIS_PTZ_PAN_LEFT] = false;
                        }
                        if (joy->axes[ptz_pan_right_] == -1.0) {
                                if(!bRegisteredDirectionalArrows[AXIS_PTZ_PAN_RIGHT]){
                                        ptz.pan = pan_increment_;
                                        //ROS_INFO("SummitXLPad::padCallback: PAN RIGHT");
                                        bRegisteredDirectionalArrows[AXIS_PTZ_PAN_RIGHT] = true;
                                        ptzEvent = true;
                                }
                        }else{
                                bRegisteredDirectionalArrows[AXIS_PTZ_PAN_RIGHT] = false;
                        }
                
                }else{
                  //ROS_ERROR("SummitXLPad::padCallback: INSIDE ELSE PTZ PAD_TYPE");
                  // TILT-MOVEMENTS (RELATIVE POS)
                  if (joy->buttons[ptz_tilt_up_] == 1) {                
                    if(!bRegisteredButtonEvent[ptz_tilt_up_]){
                      ptz.tilt = tilt_increment_;
                      //ROS_INFO("SummitXLPad::padCallback: TILT UP");
                      bRegisteredButtonEvent[ptz_tilt_up_] = true;
                      ptzEvent = true;
                    }
                  }else {
                    bRegisteredButtonEvent[ptz_tilt_up_] = false;
                  }
                  
                  if (joy->buttons[ptz_tilt_down_] == 1) {
                    if(!bRegisteredButtonEvent[ptz_tilt_down_]){
                      ptz.tilt = -tilt_increment_;
                      //ROS_INFO("SummitXLPad::padCallback: TILT DOWN");
                      bRegisteredButtonEvent[ptz_tilt_down_] = true;
                      ptzEvent = true;
                    }
                  }else{
                    bRegisteredButtonEvent[ptz_tilt_down_] = false;
                  }
                  
                  // PAN-MOVEMENTS (RELATIVE POS)
                  if (joy->buttons[ptz_pan_left_] == 1) {                       
                    if(!bRegisteredButtonEvent[ptz_pan_left_]){
                      ptz.pan = -pan_increment_;
                      //ROS_INFO("SummitXLPad::padCallback: PAN LEFT");
                      bRegisteredButtonEvent[ptz_pan_left_] = true;
                      ptzEvent = true;
                    }
                  }else{
                    bRegisteredButtonEvent[ptz_pan_left_] = false;
                  }
                  
                  if (joy->buttons[ptz_pan_right_] == 1) {
                    if(!bRegisteredButtonEvent[ptz_pan_right_]){
                      ptz.pan = pan_increment_;
                      //ROS_INFO("SummitXLPad::padCallback: PAN RIGHT");
                      bRegisteredButtonEvent[ptz_pan_right_] = true;
                      ptzEvent = true;
                    }
                  }else{
                        bRegisteredButtonEvent[ptz_pan_right_] = false;
                  }
                }

                // ZOOM Settings (RELATIVE)
                if (joy->buttons[ptz_zoom_wide_] == 1) {                        
                        if(!bRegisteredButtonEvent[ptz_zoom_wide_]){
                                ptz.zoom = -zoom_increment_;
                                //ROS_INFO("SummitXLPad::padCallback: ZOOM WIDe");
                                bRegisteredButtonEvent[ptz_zoom_wide_] = true;
                                ptzEvent = true;
                        }
                }else{
                        bRegisteredButtonEvent[ptz_zoom_wide_] = false;
                }

                if (joy->buttons[ptz_zoom_tele_] == 1) {
                        if(!bRegisteredButtonEvent[ptz_zoom_tele_]){
                                ptz.zoom = zoom_increment_;
                                //ROS_INFO("SummitXLPad::padCallback: ZOOM TELE");
                                bRegisteredButtonEvent[ptz_zoom_tele_] = true;
                                ptzEvent = true;
                        }
                }else{
                        bRegisteredButtonEvent[ptz_zoom_tele_] = false;
                }

                if (joy->buttons[button_kinematic_mode_] == 1) {

                        if(!bRegisteredButtonEvent[button_kinematic_mode_]){
                                // Define mode (inc) - still coupled
                                kinematic_mode_ += 1;
                                if (kinematic_mode_ > 2) kinematic_mode_ = 1;
                                ROS_INFO("SummitXLJoy::joyCallback: Kinematic Mode %d ", kinematic_mode_);
                                // Call service 
                                robotnik_msgs::set_mode set_mode_srv;
                                set_mode_srv.request.mode = kinematic_mode_;
                                setKinematicMode.call( set_mode_srv );
                                bRegisteredButtonEvent[button_kinematic_mode_] = true;
                        }
                }else{
                        bRegisteredButtonEvent[button_kinematic_mode_] = false;                 
                }

                //ROS_ERROR("SummitXLPad::padCallback: Passed SPHERE CAM and KINEMATIC MODE");

        }
        else {
                vel.angular.x = 0.0;    vel.angular.y = 0.0; vel.angular.z = 0.0;
                vel.linear.x = 0.0; vel.linear.y = 0.0; vel.linear.z = 0.0;
        }

        sus_joy_freq->tick();   // Ticks the reception of joy events

     // Publish 
        // Only publishes if it's enabled
        if(bEnable){
                if (ptzEvent) ptz_pub_.publish(ptz);
                vel_pub_.publish(vel);
                pub_command_freq->tick();
                last_command_ = true;
                }
                
                
        if(!bEnable && last_command_){
                if (ptzEvent) ptz_pub_.publish(ptz);
                
                vel.angular.x = 0.0;  vel.angular.y = 0.0; vel.angular.z = 0.0;
                vel.linear.x = 0.0;   vel.linear.y = 0.0; vel.linear.z = 0.0;
                vel_pub_.publish(vel);
                pub_command_freq->tick();
                last_command_ = false;
                }
}


int main(int argc, char** argv)
{
        ros::init(argc, argv, "summit_xl_pad");
        SummitXLPad summit_xl_pad;

        ros::Rate r(50.0);

        while( ros::ok() ){
                // UPDATING DIAGNOSTICS
                summit_xl_pad.Update();
                ros::spinOnce();
                r.sleep();
                }
}