sim_model_raw_spice.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) 2022-2023 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_raw_spice.h>
#include <sim/sim_model_serializer.h>
 
#include <boost/algorithm/string/predicate.hpp>
#include <fmt/core.h>
#include <pegtl/contrib/parse_tree.hpp>
 
 
namespace SIM_MODEL_RAW_SPICE_PARSER
{
 using namespace SIM_MODEL_SERIALIZER_GRAMMAR;
 
 template <typename Rule> struct legacyPinSequenceSelector : std::false_type {};
 template <> struct legacyPinSequenceSelector<legacyPinNumber> : std::true_type {};
}
 
 
std::string SPICE_GENERATOR_RAW_SPICE::ModelLine( const SPICE_ITEM& aItem ) const
{
 return "";
}
 
 
std::string SPICE_GENERATOR_RAW_SPICE::ItemName( const SPICE_ITEM& aItem ) const
{
 std::string type = m_model.GetParam( (int) SIM_MODEL_RAW_SPICE::SPICE_PARAM::TYPE ).value;
 
 if( aItem.refName != "" && boost::starts_with( aItem.refName, type ) )
 return aItem.refName;
 else
 return fmt::format( "{}{}", type, aItem.refName );
}
 
 
std::string SPICE_GENERATOR_RAW_SPICE::ItemPins( const SPICE_ITEM& aItem ) const
{
 std::string result;
 int ncCounter = 0;
 
 if( !GetPins().empty() )
 {
 for( const SIM_MODEL_PIN& pin : GetPins() )
 {
 auto it = std::find( aItem.pinNumbers.begin(), aItem.pinNumbers.end(),
 pin.symbolPinNumber );
 
 if( it != aItem.pinNumbers.end() )
 {
 long symbolPinIndex = std::distance( aItem.pinNumbers.begin(), it );
 result.append( fmt::format( " {}", aItem.pinNetNames.at( symbolPinIndex ) ) );
 }
 else
 {
 result.append( fmt::format( " NC-{}-{}", aItem.refName, ncCounter++ ) );
 }
 }
 }
 else
 {
 // If we don't know what pins the model has, just output the symbol's pins
 
 for( const std::string& pinNetName : aItem.pinNetNames )
 result.append( fmt::format( " {}", pinNetName ) );
 }
 
 return result;
}
 
 
std::string SPICE_GENERATOR_RAW_SPICE::ItemModelName( const SPICE_ITEM& aItem ) const
{
 return "";
}
 
 
std::string SPICE_GENERATOR_RAW_SPICE::ItemParams() const
{
 std::string result;
 
 for( int ii = 0; ii < m_model.GetParamCount(); ++ii )
 {
 const SIM_MODEL::PARAM& param = m_model.GetParam( ii );
 
 if( !param.info.isSpiceInstanceParam )
 continue;
 
 if( param.info.name == "model" )
 result.append( " " + SIM_VALUE::ToSpice( param.value ) );
 }
 
 return result;
}
 
 
std::string SPICE_GENERATOR_RAW_SPICE::Preview( const SPICE_ITEM& aItem ) const
{
 SPICE_ITEM item = aItem;
 item.refName = "";
 
 for( int i = 0; i < m_model.GetPinCount(); ++i )
 {
 item.pinNumbers.push_back( fmt::format( "{}", i + 1 ) );
 item.pinNetNames.push_back( fmt::format( "{}", i + 1 ) );
 }
 
 return ItemLine( item );
}
 
 
SIM_MODEL_RAW_SPICE::SIM_MODEL_RAW_SPICE( const std::string& aSpiceSource ) :
 SIM_MODEL( TYPE::RAWSPICE, std::make_unique<SPICE_GENERATOR_RAW_SPICE>( *this ) ),
 m_spiceCode( aSpiceSource )
{
 static std::vector<PARAM::INFO> paramInfos = makeParamInfos();
 
 for( const PARAM::INFO& paramInfo : paramInfos )
 AddParam( paramInfo );
 
 SetParamValue( "model", aSpiceSource );
}
 
 
void SIM_MODEL_RAW_SPICE::AssignSymbolPinNumberToModelPin( const std::string& aModelPinName,
 const wxString& aSymbolPinNumber )
{
 // SPICE doesn't name model inputs so we have to assume they're indexes here.
 int pinIndex = (int) strtol( aModelPinName.c_str(), nullptr, 10 );
 
 if( pinIndex > 0 )
 {
 while( (int)m_modelPins.size() < pinIndex )
 m_modelPins.push_back( { fmt::format( "{}", m_modelPins.size() + 1 ), wxEmptyString } );
 
 m_modelPins[ --pinIndex /* convert to 0-based */ ].symbolPinNumber = aSymbolPinNumber;
 }
}
 
 
std::vector<SIM_MODEL::PARAM::INFO> SIM_MODEL_RAW_SPICE::makeParamInfos()
{
 std::vector<PARAM::INFO> paramInfos;
 
 for( SPICE_PARAM spiceParam : SPICE_PARAM_ITERATOR() )
 {
 PARAM::INFO paramInfo;
 
 switch( spiceParam )
 {
 case SPICE_PARAM::TYPE:
 paramInfo.name = "type";
 paramInfo.type = SIM_VALUE::TYPE_STRING;
 paramInfo.unit = "";
 paramInfo.category = SIM_MODEL::PARAM::CATEGORY::PRINCIPAL;
 paramInfo.defaultValue = "";
 paramInfo.description = "Spice element type";
 paramInfo.isSpiceInstanceParam = true;
 
 paramInfos.push_back( paramInfo );
 break;
 
 case SPICE_PARAM::MODEL:
 paramInfo.name = "model";
 paramInfo.type = SIM_VALUE::TYPE_STRING;
 paramInfo.unit = "";
 paramInfo.category = SIM_MODEL::PARAM::CATEGORY::PRINCIPAL;
 paramInfo.defaultValue = "";
 paramInfo.description = "Model name or value";
 paramInfo.isSpiceInstanceParam = true;
 
 paramInfos.push_back( paramInfo );
 break;
 
 case SPICE_PARAM::LIB:
 paramInfo.name = "lib";
 paramInfo.type = SIM_VALUE::TYPE_STRING;
 paramInfo.unit = "";
 paramInfo.category = SIM_MODEL::PARAM::CATEGORY::PRINCIPAL;
 paramInfo.defaultValue = "";
 paramInfo.description = "Library path to include";
 paramInfo.isSpiceInstanceParam = true;
 
 paramInfos.push_back( paramInfo );
 break;
 
 case SPICE_PARAM::_ENUM_END:
 break;
 }
 }
 
 return paramInfos;
}