netlist_exporter_spice_model.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) 2022-2024 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 2
 * 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:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
#include "netlist_exporter_spice_model.h"
#include <sch_screen.h>
#include <string_utils.h>
 
 
void NETLIST_EXPORTER_SPICE_MODEL::WriteHead( OUTPUTFORMATTER& aFormatter,
 unsigned aNetlistOptions )
{
 aFormatter.Print( 0, "*\n" );
 aFormatter.Print( 0, "\n" );
 aFormatter.Print( 0, ".subckt %s\n", TO_UTF8( m_schematic->Prj().GetProjectName() ) );
 
 for( auto const& [key, port] : m_ports )
 {
 wxString portDir;
 
 switch( port.m_dir )
 {
 case L_INPUT: portDir = "input"; break;
 case L_OUTPUT: portDir = "output"; break;
 case L_BIDI: portDir = "inout"; break;
 case L_TRISTATE: portDir = "tristate"; break;
 case L_UNSPECIFIED: portDir = "passive"; break;
 default: wxFAIL_MSG( "Invalid port direction" ); break;
 }
 
 aFormatter.Print( 0, "+ %s ; %s\n", TO_UTF8( port.m_name ), TO_UTF8( portDir ) );
 }
 
 aFormatter.Print( 0, "\n\n" );
}
 
 
void NETLIST_EXPORTER_SPICE_MODEL::WriteTail( OUTPUTFORMATTER& aFormatter,
 unsigned aNetlistOptions )
{
 aFormatter.Print( 0, "\n.ends\n" );
}
 
 
bool NETLIST_EXPORTER_SPICE_MODEL::ReadSchematicAndLibraries( unsigned aNetlistOptions,
 REPORTER& aReporter )
{
 readPorts( aNetlistOptions );
 
 return NETLIST_EXPORTER_SPICE::ReadSchematicAndLibraries( aNetlistOptions, aReporter );
}
 
 
wxString NETLIST_EXPORTER_SPICE_MODEL::GenerateItemPinNetName( const wxString& aNetName,
 int& aNcCounter ) const
{
 wxString netName = aNetName;
 
 if( m_ports.count( netName ) )
 netName = m_ports.at( netName).m_name;
 
 return NETLIST_EXPORTER_SPICE::GenerateItemPinNetName( netName, aNcCounter );
}
 
 
void NETLIST_EXPORTER_SPICE_MODEL::readPorts( unsigned aNetlistOptions )
{
 for( const SCH_SHEET_PATH& sheet : BuildSheetList( aNetlistOptions ) )
 {
 for( SCH_ITEM* item : sheet.LastScreen()->Items().OfType( SCH_HIER_LABEL_T ) )
 {
 SCH_LABEL_BASE* label = static_cast<SCH_LABEL_BASE*>( item );
 
 if( SCH_CONNECTION* conn = label->Connection( &sheet ) )
 {
 wxString labelText = label->GetShownText( &sheet, false );
 m_ports.insert( { conn->Name(), PORT_INFO{ labelText, label->GetShape() } } );
 }
 }
 }
}