periodic_spikegen.h

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/* * Copyright (c) 2016 Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. The names of its contributors may not 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
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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*
* *********************************************************************************************** *
* CARLsim
* created by: (MDR) Micah Richert, (JN) Jayram M. Nageswaran
* maintained by:
* (MA) Mike Avery <averym@uci.edu>
* (MB) Michael Beyeler <mbeyeler@uci.edu>,
* (KDC) Kristofor Carlson <kdcarlso@uci.edu>
* (TSC) Ting-Shuo Chou <tingshuc@uci.edu>
* (HK) Hirak J Kashyap <kashyaph@uci.edu>
*
* CARLsim v1.0: JM, MDR
* CARLsim v2.0/v2.1/v2.2: JM, MDR, MA, MB, KDC
* CARLsim3: MB, KDC, TSC
* CARLsim4: TSC, HK
* CARLsim5: HK, JX, KC
* CARLsim6: LN, JX, KC, KW
*
* CARLsim available from http://socsci.uci.edu/~jkrichma/CARLsim/
* Ver 12/31/2016
*/
#ifndef _PERIODIC_SPIKEGEN_H_
#define _PERIODIC_SPIKEGEN_H_

#include "carlsim_spike_generators_api.h"

#include <callback.h>
#include <vector>

class CARLSIM_SPIKE_GENERATORS_API PeriodicSpikeGenerator : public SpikeGenerator {
public:
    PeriodicSpikeGenerator(float rate, bool spikeAtZero=true);

    ~PeriodicSpikeGenerator() {}

    int nextSpikeTime(CARLsim* sim, int grpId, int nid, int currentTime, int lastScheduledSpikeTime, int endOfTimeSlice);

private:
    void checkFiringRate();
    
    float rate_;        
    int isi_;           
    std::vector<int> nIdFiredAtZero_; 
    bool spikeAtZero_; 
};

#endif