flashMode.h

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/****************************************************************
 *
 * Copyright (c) 2010
 *
 * Fraunhofer Institute for Manufacturing Engineering   
 * and Automation (IPA)
 *
 * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 *
 * Project name: care-o-bot
 * ROS stack name: cob_driver
 * ROS package name: cob_light
 * Description: Switch robots led color by sending data to
 * the led-µC over serial connection.
 *                                                              
 * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 *                      
 * Author: Benjamin Maidel, email:benjamin.maidel@ipa.fraunhofer.de
 * Supervised by: Benjamin Maidel, email:benjamin.maidel@ipa.fraunhofer.de
 *
 * Date of creation: August 2012
 * ToDo:
 *
 * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 *
 * 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 Fraunhofer Institute for Manufacturing 
 *       Engineering and Automation (IPA) nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License LGPL as 
 * published by the Free Software Foundation, either version 3 of the 
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License LGPL for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public 
 * License LGPL along with this program. 
 * If not, see <http://www.gnu.org/licenses/>.
 *
 ****************************************************************/

#ifndef FLASHMODE_H
#define FLASHMODE_H

#include <mode.h>

class FlashMode : public Mode
{
public:
        FlashMode(color::rgba color, int priority = 0, double freq = 5, int pulses = 0, double timeout = 0)
                :Mode(priority, freq, pulses, timeout), _toggle(false)
        {
                _color = color;
                if(_pulses != 0)
                {
                        _pulses *=2;
                        _pulses +=1;
                }
        }

        void execute()
        {
                color::rgba col;
                col.r = _color.r;
                col.g = _color.g;
                col.b = _color.b;
                col.a = _color.a * (int)_toggle;
                
                _pulsed++;
                _toggle = !_toggle;
                
                m_sigColorReady(col);
        }

        std::string getName(){ return std::string("FlashMode"); }

private:
        bool _toggle;
};

#endif