joy_teleop.h

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/*

Copyright (c) 2020, Botsync Pte. Ltd.
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 Botsync Pte. Ltd. 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 <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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*/

#include <ros/ros.h>
#include <sensor_msgs/Joy.h>
#include <geometry_msgs/Twist.h>
#include <std_msgs/Bool.h>

bool e_stop_status = false;

int enable_button;
int stop_button;
int e_stop_button;
int linear_speed_axis;
int angular_speed_axis;

int enable_e_stop;

double max_linear_speed;
double max_angular_speed;

ros::Subscriber joy_subscriber;

ros::Publisher cmd_vel_pub;
ros::Publisher e_stop_pub;

bool dead_man = false;
geometry_msgs::Twist cmd_to_send;

void joy_callback(const sensor_msgs::Joy::ConstPtr& joy);