kicad/eeschema/sim/sim_model_ngspice.cpp

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/*
* 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_ngspice.h>
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#include <boost/algorithm/string/case_conv.hpp>
#include <fmt/core.h>
std::vector<std::string> SPICE_GENERATOR_NGSPICE::CurrentNames( const SPICE_ITEM& aItem ) const
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{
switch( m_model.GetTypeInfo().deviceType )
{
case SIM_MODEL::DEVICE_TYPE_::NPN:
case SIM_MODEL::DEVICE_TYPE_::PNP:
return { fmt::format( "I({}:c)", aItem.refName ),
fmt::format( "I({}:b)", aItem.refName ),
fmt::format( "I({}:e)", aItem.refName ) };
case SIM_MODEL::DEVICE_TYPE_::NJFET:
case SIM_MODEL::DEVICE_TYPE_::PJFET:
case SIM_MODEL::DEVICE_TYPE_::NMES:
case SIM_MODEL::DEVICE_TYPE_::PMES:
case SIM_MODEL::DEVICE_TYPE_::NMOS:
case SIM_MODEL::DEVICE_TYPE_::PMOS:
return { fmt::format( "I({}:d)", aItem.refName ),
fmt::format( "I({}:g)", aItem.refName ),
fmt::format( "I({}:s)", aItem.refName ) };
case SIM_MODEL::DEVICE_TYPE_::R:
case SIM_MODEL::DEVICE_TYPE_::C:
case SIM_MODEL::DEVICE_TYPE_::L:
case SIM_MODEL::DEVICE_TYPE_::D:
return SPICE_GENERATOR::CurrentNames( aItem );
default:
wxFAIL_MSG( "Unhandled model device type in SIM_MODEL_NGSPICE" );
return {};
}
}
SIM_MODEL_NGSPICE::SIM_MODEL_NGSPICE( TYPE aType ) :
SIM_MODEL_SPICE( aType, std::make_unique<SPICE_GENERATOR_NGSPICE>( *this ) )
{
const MODEL_INFO& modelInfo = ModelInfo( getModelType() );
for( const SIM_MODEL::PARAM::INFO& paramInfo : modelInfo.instanceParams )
{
// For now, only the geometry parameters.
if( paramInfo.category == SIM_MODEL::PARAM::CATEGORY::PRINCIPAL
|| paramInfo.category == SIM_MODEL::PARAM::CATEGORY::GEOMETRY )
{
AddParam( paramInfo, getIsOtherVariant() );
}
}
for( const SIM_MODEL::PARAM::INFO& paramInfo : modelInfo.modelParams )
AddParam( paramInfo, getIsOtherVariant() );
}
void SIM_MODEL_NGSPICE::SetParamFromSpiceCode( const std::string& aParamName,
const std::string& aParamValue,
SIM_VALUE_GRAMMAR::NOTATION aNotation )
{
std::string paramName = boost::to_lower_copy( aParamName );
// "level" and "version" are not really parameters - they're part of the type - so silently
// ignore them.
if( paramName == "level" || paramName == "version" )
return;
// First we try to use the name as is. Note that you can't set instance parameters from this
// function, it's for ".model" cards, not for instantiations.
std::vector<std::reference_wrapper<const PARAM>> params = GetParams();
auto paramIt = std::find_if( params.begin(), params.end(),
[paramName]( const PARAM& param )
{
return !param.info.isSpiceInstanceParam
&& param.info.category != PARAM::CATEGORY::SUPERFLUOUS
&& ( param.info.name == boost::to_lower_copy( paramName )
|| param.info.name == boost::to_lower_copy( paramName ) + "_" );
} );
if( paramIt != params.end() )
{
SIM_MODEL::SetParamValue( static_cast<int>( paramIt - params.begin() ), aParamValue, aNotation );
return;
}
// One Spice param can have multiple names, we need to take this into account.
std::vector<PARAM::INFO> ngspiceParams = ModelInfo( getModelType() ).modelParams;
auto ngspiceParamIt = std::find_if( ngspiceParams.begin(), ngspiceParams.end(),
[paramName]( const PARAM& param )
{
// Now we search without excluding Spice instance
// parameters and superfluous parameters.
return param.info.name == boost::to_lower_copy( paramName );
} );
if( ngspiceParamIt == ngspiceParams.end() )
{
if( canSilentlyIgnoreParam( paramName ) )
return;
THROW_IO_ERROR( wxString::Format( "Failed to set parameter '%s' to value '%s'",
aParamName,
aParamValue ) );
}
// We obtain the id of the Ngspice param that is to be set. We use this id to address the
// parameter to be set here because a superfluous parameter may be an alias: this will
// dereference it.
unsigned id = ngspiceParamIt->id;
// Find an actual parameter with the same id.
paramIt = std::find_if( params.begin(), params.end(),
[id]( const PARAM& param )
{
// Look for any non-superfluous parameter with the same id.
return param.info.id == id
&& param.info.category != PARAM::CATEGORY::SUPERFLUOUS;
} );
if( paramIt == params.end() )
{
THROW_IO_ERROR( wxString::Format( "Failed to set parameter '%s' to value '%s'",
aParamName,
aParamValue ) );
}
SIM_MODEL::SetParamValue( static_cast<int>( paramIt - params.begin() ), aParamValue, aNotation );
}
bool SIM_MODEL_NGSPICE::canSilentlyIgnoreParam( const std::string& aParamName )
{
// Ignore the purely informative LTspice-specific parameters "mfg" and "type".
if( aParamName == "mfg" || aParamName == "type" )
return true;
if( GetDeviceType() == DEVICE_TYPE_::D )
{
if( aParamName == "perim"
|| aParamName == "isw"
|| aParamName == "ns"
|| aParamName == "rsw"
|| aParamName == "cjsw"
|| aParamName == "vjsw"
|| aParamName == "mjsw"
|| aParamName == "fcs" )
{
return true;
}
}
if( GetDeviceType() == DEVICE_TYPE_::NPN || GetDeviceType() == DEVICE_TYPE_::PNP )
{
// Ignore the purely informative LTspice-specific parameters "icrating" and "vceo".
if( aParamName == "icrating" || aParamName == "vceo" )
return true;
}
if( GetType() == TYPE::NPN_GUMMELPOON || GetType() == TYPE::PNP_GUMMELPOON )
{
// Ignore unused parameters.
if( aParamName == "bvcbo"
|| aParamName == "nbvcbo"
|| aParamName == "tbvcbo1"
|| aParamName == "tbvcbo2"
|| aParamName == "bvbe"
|| aParamName == "ibvbe"
|| aParamName == "nbvbe" )
{
return true;
}
}
return false;
}
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std::vector<std::string> SIM_MODEL_NGSPICE::getPinNames() const
{
return ModelInfo( getModelType() ).pinNames;
}
SIM_MODEL_NGSPICE::MODEL_TYPE SIM_MODEL_NGSPICE::getModelType() const
{
switch( GetType() )
{
case TYPE::NONE: return MODEL_TYPE::NONE;
case TYPE::D: return MODEL_TYPE::DIODE;
case TYPE::NPN_GUMMELPOON:
case TYPE::PNP_GUMMELPOON: return MODEL_TYPE::BJT;
case TYPE::NPN_VBIC:
case TYPE::PNP_VBIC: return MODEL_TYPE::VBIC;
case TYPE::NPN_HICUM2:
case TYPE::PNP_HICUM2: return MODEL_TYPE::HICUM2;
case TYPE::NJFET_SHICHMANHODGES:
case TYPE::PJFET_SHICHMANHODGES: return MODEL_TYPE::JFET;
case TYPE::NJFET_PARKERSKELLERN:
case TYPE::PJFET_PARKERSKELLERN: return MODEL_TYPE::JFET2;
case TYPE::NMES_STATZ:
case TYPE::PMES_STATZ: return MODEL_TYPE::MES;
case TYPE::NMES_YTTERDAL:
case TYPE::PMES_YTTERDAL: return MODEL_TYPE::MESA;
case TYPE::NMES_HFET1:
case TYPE::PMES_HFET1: return MODEL_TYPE::HFET1;
case TYPE::NMES_HFET2:
case TYPE::PMES_HFET2: return MODEL_TYPE::HFET2;
case TYPE::NMOS_MOS1:
case TYPE::PMOS_MOS1: return MODEL_TYPE::MOS1;
case TYPE::NMOS_MOS2:
case TYPE::PMOS_MOS2: return MODEL_TYPE::MOS2;
case TYPE::NMOS_MOS3:
case TYPE::PMOS_MOS3: return MODEL_TYPE::MOS3;
case TYPE::NMOS_BSIM1:
case TYPE::PMOS_BSIM1: return MODEL_TYPE::BSIM1;
case TYPE::NMOS_BSIM2:
case TYPE::PMOS_BSIM2: return MODEL_TYPE::BSIM2;
case TYPE::NMOS_MOS6:
case TYPE::PMOS_MOS6: return MODEL_TYPE::MOS6;
case TYPE::NMOS_BSIM3:
case TYPE::PMOS_BSIM3: return MODEL_TYPE::BSIM3;
case TYPE::NMOS_MOS9:
case TYPE::PMOS_MOS9: return MODEL_TYPE::MOS9;
case TYPE::NMOS_B4SOI:
case TYPE::PMOS_B4SOI: return MODEL_TYPE::B4SOI;
case TYPE::NMOS_BSIM4:
case TYPE::PMOS_BSIM4: return MODEL_TYPE::BSIM4;
case TYPE::NMOS_B3SOIFD:
case TYPE::PMOS_B3SOIFD: return MODEL_TYPE::B3SOIFD;
case TYPE::NMOS_B3SOIDD:
case TYPE::PMOS_B3SOIDD: return MODEL_TYPE::B3SOIDD;
case TYPE::NMOS_B3SOIPD:
case TYPE::PMOS_B3SOIPD: return MODEL_TYPE::B3SOIPD;
case TYPE::NMOS_HISIM2:
case TYPE::PMOS_HISIM2: return MODEL_TYPE::HISIM2;
case TYPE::NMOS_HISIMHV1:
case TYPE::PMOS_HISIMHV1: return MODEL_TYPE::HISIMHV1;
case TYPE::NMOS_HISIMHV2:
case TYPE::PMOS_HISIMHV2: return MODEL_TYPE::HISIMHV2;
default:
wxFAIL_MSG( "Unhandled SIM_MODEL type in SIM_MODEL_NGSPICE" );
return MODEL_TYPE::NONE;
}
}
bool SIM_MODEL_NGSPICE::getIsOtherVariant()
{
switch( GetType() )
{
case TYPE::PNP_GUMMELPOON:
case TYPE::PNP_VBIC:
case TYPE::PNP_HICUM2:
case TYPE::PJFET_SHICHMANHODGES:
case TYPE::PJFET_PARKERSKELLERN:
case TYPE::PMES_STATZ:
case TYPE::PMES_YTTERDAL:
case TYPE::PMES_HFET1:
case TYPE::PMES_HFET2:
case TYPE::PMOS_MOS1:
case TYPE::PMOS_MOS2:
case TYPE::PMOS_MOS3:
case TYPE::PMOS_BSIM1:
case TYPE::PMOS_BSIM2:
case TYPE::PMOS_MOS6:
case TYPE::PMOS_BSIM3:
case TYPE::PMOS_MOS9:
case TYPE::PMOS_B4SOI:
case TYPE::PMOS_BSIM4:
case TYPE::PMOS_B3SOIFD:
case TYPE::PMOS_B3SOIDD:
case TYPE::PMOS_B3SOIPD:
case TYPE::PMOS_HISIM2:
case TYPE::PMOS_HISIMHV1:
case TYPE::PMOS_HISIMHV2:
return true;
default:
return false;
}
}