xarm_control_node.cpp

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/* Copyright 2020 UFACTORY Inc. All Rights Reserved.
 *
 * Software License Agreement (BSD License)
 *
 * Author: Jason Peng <jason@ufactory.cc>
 ============================================================================*/

#include "xarm_hw.h"

int main(int argc, char**argv)
{
        ros::init(argc, argv, "xarm_controller");
        ros::NodeHandle nh;
        double ctrl_rate = 100;
        ros::Rate r(ctrl_rate);
        
        ros::Duration(1.0).sleep();

        xarm_control::XArmHW xarm_hw;
        if(!xarm_hw.init(nh, nh)) exit(-1);

        controller_manager::ControllerManager cm(&xarm_hw, nh);

        ros::AsyncSpinner spinner(4);
        spinner.start();

        // IMPORTANT: DO NOT REMOVE THIS DELAY !!!
        /* Wait for correct initial position to be updated to ros_controller */
        ros::Duration(2.0).sleep();

        ros::Time ts = ros::Time::now();
        while (ros::ok())
        {       
           ros::Duration elapsed = ros::Time::now() - ts;
           ts = ros::Time::now();
           // xarm_hw.read(ts, elapsed);
           cm.update(ts, elapsed, xarm_hw.need_reset()); // reset_controllers=true: preempt and cancel current goal
           xarm_hw.write(ts, elapsed);
           r.sleep();
        }
        spinner.stop();
        return 0;
}