ObjSim/src/layerfactory.cpp

//
// C++ Implementation: layerfactory
//
// Description: 
//
//
// Author: Frank Michler,,, <frank@pc13365>, (C) 2010
//
// Copyright: See COPYING file that comes with this distribution
//
//
#include "sys.hpp"   // for libcwd
#include "debug.hpp" // for libcwd

#include "layer.hpp"
#include "layer/iaf_psc_exp.h"
#include "layerfactory.hpp"

layer* createDecoLifLayer(int Size, NeuronPhysioType NPType);
    
layer* createIzhikevich8Layer(int Size, NeuronPhysioType NPType);
layer* createIzhikevich8Layer_Default(int Size);
layer* createIzhikevich8Layer_Integrator(int Size);
    
layer* createIzhikevich9Layer(int Size, NeuronPhysioType NPType);
layer* createIzhikevich9Layer_Default(int Size);
layer* createIzhikevich9Layer_Integrator(int Size);
layer* createLayer_iaf_psc_exp(int size);


layer* createLayer(int Size, NeuronModelType MType, NeuronPhysioType NPType)
{
    layer* RetLayer=NULL;
    switch (MType) {
        case NMType_DecoLif:
            RetLayer = createDecoLifLayer(Size, NPType );
            break;
        case NMType_Izhikevich8:
            RetLayer = createIzhikevich8Layer(Size, NPType);
            break;
        case NMType_iaf_psc_exp:
        	RetLayer = createLayer_iaf_psc_exp(Size);
        	break;
        default:
            RetLayer=NULL;
            break;
    }
    return RetLayer;
}

layer* createDecoLifLayer(int Size, NeuronPhysioType NPType)
{
    layer* RetLayer=NULL;
    switch (NPType) {
        case NPType_Excitatory:
        {
            float NmdaAmpaRatio=0.3;
            DecoLifLayer* tmplayer = new DecoLifLayer(Size, DecoParaExcitatory);
            const float DECO_LIF_NOISE_3_HZ = 0.05294;   // Noise: 3 Hz Background Firing Rate
            tmplayer->SetNoiseAmplitude(DECO_LIF_NOISE_3_HZ);            
            tmplayer->SetNmdaAmpaRatio(NmdaAmpaRatio);
            RetLayer = tmplayer;
        }
        break;
        default: RetLayer=NULL;
    }
    return RetLayer;
}

layer* createIzhikevich8Layer(int Size, NeuronPhysioType NPType)
{
    layer* RetLayer=NULL;
    switch (NPType) {
        case NPType_Integrator:
            RetLayer = createIzhikevich8Layer_Integrator(Size);
            break;
        case NPType_Excitatory:
        default:
            RetLayer = createIzhikevich8Layer_Default(Size);
            break;
    }
    return RetLayer;
}

layer* createIzhikevich8Layer_Default(int Size)
{
    const float NmdaAmpaRatio=0.3;
    izh8layer* tmplayer = new izh8layer(Size, IzhParaRegularSpiking);
    tmplayer->SetTauGaba(13.5, 100);  
    tmplayer->SetTauAmpa(0.5, 2.4);
    tmplayer->SetTauNmda(10, 100);
    tmplayer->SetNoiseAmplitude(0.259545);
    tmplayer->SetBalancedInhibition(1.58025);
    tmplayer->SetNmdaAmpaRatio(NmdaAmpaRatio);
    return tmplayer;
}


layer* createIzhikevich8Layer_Integrator(int Size)
{
    const float NmdaAmpaRatio=0.3;
    izh8layer* tmplayer = new izh8layer(Size, IzhParaIntegrator2);
    tmplayer->SetTauGaba(13.5, 100); 
    tmplayer->SetTauAmpa(0.5, 2.4);
    tmplayer->SetTauNmda(10, 100);
    tmplayer->SetNoiseAmplitude(0.172989);
    tmplayer->SetBalancedInhibition(1.48085);
    tmplayer->SetNmdaAmpaRatio(NmdaAmpaRatio);
    return tmplayer;
}


layer* createIzhikevich9Layer(int Size, NeuronPhysioType NPType)
{
    layer* RetLayer=NULL;
    switch (NPType) {
        case NPType_Integrator:
            RetLayer = createIzhikevich9Layer_Integrator(Size);
            break;
        case NPType_Excitatory:
        default:
            RetLayer = createIzhikevich9Layer_Default(Size);
            break;
    }
    return RetLayer;
}

/** never used
*/
layer* createIzhikevich9Layer_Default(int Size)
{
    const float NmdaAmpaRatio=0.3;
    izh9layer* tmplayer = new izh9layer(Size, IzhParaRegularSpiking);
    tmplayer->SetTauAmpa(0.5, 2.4);
    tmplayer->SetTauNmda(10, 100);
    tmplayer->SetNoiseAmplitude(0.259545);
    tmplayer->SetBalancedInhibition(1.58025);
    tmplayer->SetNmdaAmpaRatio(NmdaAmpaRatio);
    return tmplayer;
}


layer* createIzhikevich9Layer_Integrator(int Size)
{
    float NmdaAmpaRatio=0.3;
    izh9layer* tmplayer = new izh9layer(Size, IzhParaIntegrator2);
    tmplayer->SetTauAmpa(0.5, 2.4);
    tmplayer->SetTauNmda(10, 100);
    tmplayer->SetNoiseAmplitude(0.172989);
    tmplayer->SetBalancedInhibition(2.07651);
    tmplayer->SetNmdaAmpaRatio(NmdaAmpaRatio);
    return tmplayer;
}

layer* createLayer_iaf_psc_exp(int size)
{
	iaf_psc_exp* tmplayer = new iaf_psc_exp(size);
	double Tau = 20.;
	double C = 1.0;
	double t_ref = 2.0;
	double U0 = 0;
	double I_e = 0.;
	double Theta = 20; // V_th
	double V_reset = 10;
	double tau_ex = 2.0;
	double tau_in = 2.0;

	tmplayer->P_.set(Tau, C, t_ref, U0, I_e, Theta, V_reset, tau_ex, tau_in);
	tmplayer->calibrate();
	return tmplayer;
}