spikeinput.h

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/***************************************************************************
                          spikeinput.h  -  description
                             -------------------
    begin                : Wed Aug 8 2001
    copyright            : (C) 2001 by Matt Grover
    email                : [e-mail]
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef SPIKEINPUT_H
#define SPIKEINPUT_H

using namespace std;
#include <amygdala/types.h>
#include <vector>


/** @class SpikeInput spikeinput.h amygdala/spikeinput.h
  * The base class for everything that feeds spikes into a network.
  * Usually it has to be extended by an application to form the applications
  * interface to the Neurons.
  * @see SimpleSpikeInput
  * @author Matt Grover
  * @author R黡iger Koch
  */

class Network;

class SpikeInput {
public: 
	SpikeInput(Network* network);
    virtual ~SpikeInput() = 0;

	/**
	 * Read simple spike vector file.  Replaces
	 * NetworkLoader::ReadInputFile()
	 */
	bool ReadSpikeList(const char* fileName);
	
	/**
	 * Read XML file describing spike input patterns.
	 */
	virtual bool ReadSpikeDef(const char* fileName);
	
	/**
	 * If streaming input has been turned on in Network, the
	 * event loop will call ReadInputBuffer() every time the
	 * input spike queue has been emptied.  This should read
	 * additional input from some source and add it to the
	 * input queue.
	 */
	virtual void ReadInputBuffer() = 0;

	friend class Network;

    void ParseSpikeInput(const char *name, const char **attrs);

protected:
    void SetTime(AmTimeInt now);
    void ScheduleQueuedSpikes();
    inline void RoundTime(AmTimeInt& time);

    unsigned int currTime;
    unsigned int simStepSize;
    Network* net;

    struct InSpike {
        AmIdInt neuronId;
        AmTimeInt spikeTime;
        bool operator<(const InSpike& is) const
        {
            return (spikeTime<is.spikeTime);
        }
    };

    vector<InSpike> inputSpike;
    unsigned int saxErrors;
};

#endif