kicad/eeschema/sim/sim_model_tline.cpp

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2022 Mikolaj Wielgus
 * Copyright (C) 2022 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, you may find one here:
 * https://www.gnu.org/licenses/gpl-3.0.html
 * or you may search the http://www.gnu.org website for the version 3 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

#include <sim/sim_model_tline.h>

using PARAM = SIM_MODEL::PARAM;


SIM_MODEL_TLINE::SIM_MODEL_TLINE( TYPE aType )
    : SIM_MODEL( aType ),
      m_isInferred( false )
{
    static std::vector<PARAM::INFO> z0 = makeZ0ParamInfo();
    static std::vector<PARAM::INFO> rlgc = makeRlgcParamInfo();

    switch( aType )
    {
    case TYPE::TLINE_Z0:
        for( const PARAM::INFO& paramInfo : z0 )
            AddParam( paramInfo );
        break;

    case TYPE::TLINE_RLGC:
        for( const PARAM::INFO& paramInfo : rlgc )
            AddParam( paramInfo );
        break;

    default:
        wxFAIL_MSG( "Unhandled SIM_MODEL type in SIM_MODEL_TLINE" );
    }
}


void SIM_MODEL_TLINE::ReadDataSchFields( unsigned aSymbolPinCount,
                                         const std::vector<SCH_FIELD>* aFields )
{
    if( GetFieldValue( aFields, PARAMS_FIELD ) != "" )
        SIM_MODEL::ReadDataSchFields( aSymbolPinCount, aFields );
    else
        InferredReadDataFields( aSymbolPinCount, aFields );
}


void SIM_MODEL_TLINE::ReadDataLibFields( unsigned aSymbolPinCount,
                                         const std::vector<LIB_FIELD>* aFields )
{
    if( GetFieldValue( aFields, PARAMS_FIELD ) != "" )
        SIM_MODEL::ReadDataLibFields( aSymbolPinCount, aFields );
    else
        InferredReadDataFields( aSymbolPinCount, aFields );
}


void SIM_MODEL_TLINE::WriteDataSchFields( std::vector<SCH_FIELD>& aFields ) const
{
    SIM_MODEL::WriteDataSchFields( aFields );

    if( m_isInferred )
        inferredWriteDataFields( aFields );
}


void SIM_MODEL_TLINE::WriteDataLibFields( std::vector<LIB_FIELD>& aFields ) const
{
    SIM_MODEL::WriteDataLibFields( aFields );

    if( m_isInferred )
        inferredWriteDataFields( aFields );
}


template <typename T>
void SIM_MODEL_TLINE::inferredWriteDataFields( std::vector<T>& aFields ) const
{
    wxString value = GetFieldValue( &aFields, PARAMS_FIELD );

    if( value == "" )
        value = GetDeviceTypeInfo().fieldValue;

    WriteInferredDataFields( aFields, value );
}


std::vector<PARAM::INFO> SIM_MODEL_TLINE::makeZ0ParamInfo()
{
    std::vector<PARAM::INFO> paramInfos;
    PARAM::INFO paramInfo = {};

    paramInfo.name = "z0";
    paramInfo.type = SIM_VALUE::TYPE_FLOAT;
    paramInfo.unit = "Ω";
    paramInfo.category = PARAM::CATEGORY::PRINCIPAL;
    paramInfo.defaultValue = "";
    paramInfo.description = "Characteristic impedance";
    paramInfo.isSpiceInstanceParam = true;
    paramInfo.isInstanceParam = false;
    paramInfos.push_back( paramInfo );

    paramInfo.name = "td";
    paramInfo.type = SIM_VALUE::TYPE_FLOAT;
    paramInfo.unit = "s";
    paramInfo.category = PARAM::CATEGORY::PRINCIPAL;
    paramInfo.defaultValue = "";
    paramInfo.description = "Transmission delay";
    paramInfo.isSpiceInstanceParam = true;
    paramInfo.isInstanceParam = false;
    paramInfos.push_back( paramInfo );

    return paramInfos;
}


std::vector<PARAM::INFO> SIM_MODEL_TLINE::makeRlgcParamInfo()
{
    std::vector<PARAM::INFO> paramInfos;
    PARAM::INFO paramInfo = {};

    paramInfo.name = "len";
    paramInfo.type = SIM_VALUE::TYPE_FLOAT;
    paramInfo.unit = "m";
    paramInfo.category = PARAM::CATEGORY::PRINCIPAL;
    paramInfo.defaultValue = "";
    paramInfo.description = "Length";
    paramInfo.isSpiceInstanceParam = false;
    paramInfo.isInstanceParam = true;
    paramInfos.push_back( paramInfo );

    paramInfo.name = "r";
    paramInfo.type = SIM_VALUE::TYPE_FLOAT;
    paramInfo.unit = "Ω/m";
    paramInfo.category = PARAM::CATEGORY::PRINCIPAL;
    paramInfo.defaultValue = "0";
    paramInfo.description = "Resistance per length";
    paramInfo.isSpiceInstanceParam = false;
    paramInfo.isInstanceParam = false;
    paramInfos.push_back( paramInfo );

    paramInfo.name = "l";
    paramInfo.type = SIM_VALUE::TYPE_FLOAT;
    paramInfo.unit = "H/m";
    paramInfo.category = PARAM::CATEGORY::PRINCIPAL;
    paramInfo.defaultValue = "0";
    paramInfo.description = "Inductance per length";
    paramInfo.isSpiceInstanceParam = false;
    paramInfo.isInstanceParam = false;
    paramInfos.push_back( paramInfo );

    paramInfo.name = "g";
    paramInfo.type = SIM_VALUE::TYPE_FLOAT;
    paramInfo.unit = "1/(Ω m)";
    paramInfo.category = PARAM::CATEGORY::PRINCIPAL;
    paramInfo.defaultValue = "0";
    paramInfo.description = "Conductance per length";
    paramInfo.isSpiceInstanceParam = false;
    paramInfo.isInstanceParam = false;
    paramInfos.push_back( paramInfo );

    paramInfo.name = "c";
    paramInfo.type = SIM_VALUE::TYPE_FLOAT;
    paramInfo.unit = "C/m";
    paramInfo.category = PARAM::CATEGORY::PRINCIPAL;
    paramInfo.defaultValue = "0";
    paramInfo.description = "Capacitance per length";
    paramInfo.isSpiceInstanceParam = false;
    paramInfo.isInstanceParam = false;
    paramInfos.push_back( paramInfo );

    return paramInfos;
}


bool SIM_MODEL_TLINE::requiresSpiceModel() const
{
    return GetType() == TYPE::TLINE_RLGC;
}