interactive_spikegen.cpp

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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
* 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
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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
*
* CARLsim available from http://socsci.uci.edu/~jkrichma/CARLsim/
* Ver 12/31/2016
*/
#include <interactive_spikegen.h>
 
InteractiveSpikeGenerator::InteractiveSpikeGenerator(unsigned int numNeurons_, unsigned int isi_) {
    numNeurons = numNeurons_;
    isi = isi_;
    quota = new int[numNeurons_];
    for (unsigned int i = 0; i < numNeurons_; i++) quota[i] = 0;
}
 
InteractiveSpikeGenerator::~InteractiveSpikeGenerator() {
    delete [] quota;
}
 
int InteractiveSpikeGenerator::nextSpikeTime(CARLsim* s, int grpId, int nid, int currentTime, int lastScheduledSpikeTime, int endOfTimeSlice) {
    if ((unsigned int) nid < numNeurons && quota[nid] > 0) {
        quota[nid]--;
        if (lastScheduledSpikeTime + isi < (unsigned int)currentTime) {
            return currentTime + isi;
        } else {
            return lastScheduledSpikeTime + isi;
        }
    }
 
    return 0xFFFFFFFF;
}
 
void InteractiveSpikeGenerator::setQuota(int nid_, int quota_) {
    if ((unsigned int)nid_ < numNeurons)
        quota[nid_] = quota_;
}
 
void InteractiveSpikeGenerator::setQuotaAll(int quota_) {
    for (unsigned int i = 0; i < numNeurons; i++)
        quota[i] = quota_;
}