sim_model_ibis.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 *
 * 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 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#ifndef SIM_MODEL_IBIS_H
#define SIM_MODEL_IBIS_H
 
#include <sim/kibis/kibis.h>
#include <sim/sim_model.h>
#include <sim/spice_generator.h>
#include <project.h>
 
class SIM_LIBRARY_IBIS;
class REPORTER;
class SCHEMATIC;
 
class SPICE_GENERATOR_IBIS : public SPICE_GENERATOR
{
public:
    using SPICE_GENERATOR::SPICE_GENERATOR;
 
    std::string ModelName( const SPICE_ITEM& aItem ) const override;
    std::string ModelLine( const SPICE_ITEM& aItem ) const override;
    std::vector<std::string> CurrentNames( const SPICE_ITEM& aItem ) const override;
 
    std::string IbisDevice( const SPICE_ITEM& aItem, SCHEMATIC* aSchematic,
                            const wxString& aCacheDir, REPORTER& aReporter ) const;
};
 
enum class IBIS_IO_MODE
{
    SINGLE_ENDED,    // GND + signal pin
    DIFFERENTIAL,    // GND + positive + negative
    SERIES           // PIN_A + PIN_B, no GND port
};
 
 
class SIM_MODEL_IBIS : public SIM_MODEL
{
    friend class SIM_LIBRARY_IBIS;
 
public:
    SIM_MODEL_IBIS( TYPE aType );
 
    // @brief Special copy constructor
    // creates a a model with aType, but tries to match parameters from aSource.
    SIM_MODEL_IBIS( TYPE aType, const SIM_MODEL_IBIS& aSource );
 
    std::vector<std::pair<std::string, std::string>> GetIbisPins() const
    {
        return m_sourceModel ? m_sourceModel->GetIbisPins() : m_ibisPins;
    }
 
    std::vector<std::string> GetIbisModels() const { return m_ibisModels; };
 
    std::string GetComponentName() const
    {
        return m_sourceModel ? m_sourceModel->GetComponentName() : m_componentName;
    }
 
 
    const PARAM& GetParam( unsigned aParamIndex ) const override
    {
        return m_params.at( aParamIndex );
    };

    bool ChangePin( const SIM_LIBRARY_IBIS& aLib, const std::string& aPinNumber );

    bool SetIbisModel( const SIM_LIBRARY_IBIS& aLib, const std::string& aPinNumber,
                       const std::string& aModelName );
 
    void SetBaseModel( const SIM_MODEL& aBaseModel ) override;
 
    void SwitchSingleEndedDiff( bool aDiff ) override;
 
    void SetIOMode( IBIS_IO_MODE aMode );
 
    IBIS_IO_MODE GetIOMode() const { return m_ioMode; }
    bool IsSeries() const { return m_ioMode == IBIS_IO_MODE::SERIES; }
    bool CanDifferential() const { return m_enableDiff; } ;
 
    const std::string& GetSeriesPartnerPin() const { return m_partnerPin; }
 
    bool m_enableDiff;
 
private:
    bool requiresSpiceModelLine( const SPICE_ITEM& aItem ) const override { return true; }
 
    void addSwitchStateParam();
    void removeSwitchStateParam();
 
    static std::vector<PARAM::INFO> makeParamInfos( TYPE aType );
    static std::vector<PARAM::INFO> makeDcWaveformParamInfos();
    static std::vector<PARAM::INFO> makeRectWaveformParamInfos();
    static std::vector<PARAM::INFO> makePrbsWaveformParamInfos();
 
    const SIM_MODEL_IBIS*                            m_sourceModel;
    std::vector<std::string>                         m_ibisModels;
    std::vector<std::pair<std::string, std::string>> m_ibisPins;
    std::string                                      m_componentName;
    IBIS_IO_MODE                                     m_ioMode = IBIS_IO_MODE::SINGLE_ENDED;
    std::string                                      m_partnerPin;
};
 
#endif // SIM_MODEL_KIBIS_H