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kicad-source/eeschema/sim/spice_circuit_model.cpp
Seth Hillbrand 0b2d4d4879 Revise Copyright statement to align with TLF 
Recommendation is to avoid using the year nomenclature as this
information is already encoded in the git repo.  Avoids needing to
repeatly update.

Also updates AUTHORS.txt from current repo with contributor names
2025-01-01 14:12:04 -08:00

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2016-2022 CERN
* Copyright The KiCad Developers, see AUTHORS.TXT for contributors.
* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* 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 "spice_circuit_model.h"
#include <wx/regex.h>
#include <wx/tokenzr.h>
#include <locale_io.h>
#include <richio.h>
#include <string_utils.h>
SIM_TRACE_TYPE SPICE_CIRCUIT_MODEL::VectorToSignal( const std::string& aVector,
wxString& aSignal ) const
{
static wxString BRANCH( wxS( "#branch" ) );
static wxString POWER( wxS( ":power" ) );
// See ngspice manual chapt. 31.1 "Accessing internal device parameters"
static wxRegEx internalDevParameter( wxS( "^@(\\w*[\\.\\w+]*)\\[(\\w*)\\]$" ), wxRE_ADVANCED );
wxString vector( aVector );
if( !internalDevParameter.Matches( vector ) )
{
if( vector.EndsWith( BRANCH ) )
{
aSignal = wxT( "I(" ) + vector.Left( vector.Length() - BRANCH.Length() ) + wxT( ")" );
return SPT_CURRENT;
}
else if( vector.EndsWith( POWER ) )
{
aSignal = wxT( "P(" ) + vector.Left( vector.Length() - POWER.Length() ) + wxT( ")" );
return SPT_POWER;
}
else
{
aSignal = wxT( "V(" ) + vector + wxT( ")" );
return SPT_VOLTAGE;
}
}
else
{
wxString paramType = internalDevParameter.GetMatch( vector, 2 );
if( paramType.Lower()[0] == 'i' )
{
// this is a branch current
paramType[0] = 'I';
aSignal = paramType + wxT( "(" );
aSignal += internalDevParameter.GetMatch( vector, 1 ).Upper() + wxT( ")" );
return SPT_CURRENT;
}
else
{
return SPT_UNKNOWN;
}
}
}
wxString SPICE_CIRCUIT_MODEL::GetSchTextSimCommand()
{
wxString simCmd;
ReadDirectives( 0 );
for( const wxString& directive : GetDirectives() )
{
if( IsSimCommand( directive ) )
simCmd += wxString::Format( wxT( "%s\r\n" ), directive );
}
return simCmd.Trim();
}
SIM_TYPE SPICE_CIRCUIT_MODEL::CommandToSimType( const wxString& aCmd )
{
wxString cmd = aCmd.Lower().Trim();
if( cmd == wxT( ".op" ) ) return ST_OP;
else if( cmd.StartsWith( wxT( ".ac" ) ) ) return ST_AC;
else if( cmd.StartsWith( wxT( ".dc" ) ) ) return ST_DC;
else if( cmd.StartsWith( wxT( ".tran" ) ) ) return ST_TRAN;
else if( cmd.StartsWith( wxT( ".disto" ) ) ) return ST_DISTO;
else if( cmd.StartsWith( wxT( ".noise" ) ) ) return ST_NOISE;
else if( cmd.StartsWith( wxT( ".pz" ) ) ) return ST_PZ;
else if( cmd.StartsWith( wxT( ".sens" ) ) ) return ST_SENS;
else if( cmd.StartsWith( wxT( ".sp" ) ) ) return ST_SP;
else if( cmd.StartsWith( wxT( ".tf" ) ) ) return ST_TF;
else if( cmd.StartsWith( wxT( "fft" ) ) || cmd.Contains( wxT( "\nfft" ) ) )
return ST_FFT;
else
return ST_UNKNOWN;
}
bool SPICE_CIRCUIT_MODEL::ParseDCCommand( const wxString& aCmd, SPICE_DC_PARAMS* aSource1,
SPICE_DC_PARAMS* aSource2 )
{
if( !aCmd.Lower().StartsWith( ".dc" ) )
return false;
wxString cmd = aCmd.Mid( 3 );
wxStringTokenizer tokens( cmd, wxS( " \t" ), wxTOKEN_STRTOK );
aSource1->m_source = tokens.GetNextToken();
aSource1->m_vstart = SPICE_VALUE( tokens.GetNextToken() );
aSource1->m_vend = SPICE_VALUE( tokens.GetNextToken() );
aSource1->m_vincrement = SPICE_VALUE( tokens.GetNextToken() );
if( tokens.HasMoreTokens() )
{
aSource2->m_source = tokens.GetNextToken();
aSource2->m_vstart = SPICE_VALUE( tokens.GetNextToken() );
aSource2->m_vend = SPICE_VALUE( tokens.GetNextToken() );
aSource2->m_vincrement = SPICE_VALUE( tokens.GetNextToken() );
}
return true;
}
bool SPICE_CIRCUIT_MODEL::ParsePZCommand( const wxString& aCmd, wxString* transferFunction,
wxString* input, wxString* inputRef, wxString* output,
wxString* outputRef, SPICE_PZ_ANALYSES* analyses )
{
if( !aCmd.Lower().StartsWith( wxS( ".pz" ) ) )
return false;
*transferFunction = "vol";
analyses->m_Poles = true;
analyses->m_Zeros = true;
wxStringTokenizer tokens( aCmd.Mid( 3 ), wxS( " \t" ), wxTOKEN_STRTOK );
if( tokens.HasMoreTokens() )
*input = tokens.GetNextToken();
if( tokens.HasMoreTokens() )
*inputRef = tokens.GetNextToken();
if( tokens.HasMoreTokens() )
*output = tokens.GetNextToken();
if( tokens.HasMoreTokens() )
*outputRef = tokens.GetNextToken();
if( tokens.HasMoreTokens() )
*transferFunction = tokens.GetNextToken();
if( tokens.HasMoreTokens() )
{
wxString token = tokens.GetNextToken().Lower();
if( token == wxS( "pol" ) )
analyses->m_Zeros = false;
else if( token == wxS( "zer" ) )
analyses->m_Poles = false;
}
return true;
}
bool SPICE_CIRCUIT_MODEL::ParseNoiseCommand( const wxString& aCmd, wxString* aOutput,
wxString* aRef, wxString* aSource, wxString* aScale,
SPICE_VALUE* aPts, SPICE_VALUE* aFStart,
SPICE_VALUE* aFStop, bool* aSaveAll )
{
if( !aCmd.Lower().StartsWith( wxS( ".noise" ) ) )
return false;
wxString cmd = aCmd.Mid( 6 );
cmd.Trim( false );
if( !cmd.Lower().StartsWith( wxS( "v(" ) ) )
return false;
cmd = cmd.Mid( 2 );
wxString function = cmd.Before( ')' );
wxString params = cmd.After( ')' );
wxStringTokenizer func_tokens( function, wxS( " ,\t" ), wxTOKEN_STRTOK );
*aOutput = func_tokens.GetNextToken();
*aRef = func_tokens.GetNextToken();
wxStringTokenizer tokens( params, wxS( " \t" ), wxTOKEN_STRTOK );
wxString token = tokens.GetNextToken();
if( !token.IsEmpty() )
{
*aSource = token;
token = tokens.GetNextToken();
}
if( token.Lower() == "dec" || token.Lower() == "oct" || token.Lower() == "lin" )
{
*aScale = token;
token = tokens.GetNextToken();
}
if( !token.IsEmpty() )
{
*aPts = token;
token = tokens.GetNextToken();
}
if( !token.IsEmpty() )
{
*aFStart = SPICE_VALUE( token );
token = tokens.GetNextToken();
}
if( !token.IsEmpty() )
{
*aFStop = SPICE_VALUE( token );
token = tokens.GetNextToken();
}
if( !token.IsEmpty() )
*aSaveAll = true;
return true;
}
void SPICE_CIRCUIT_MODEL::WriteDirectives( const wxString& aSimCommand, unsigned aSimOptions,
OUTPUTFORMATTER& aFormatter ) const
{
if( aSimCommand.IsEmpty() )
aSimOptions |= OPTION_SIM_COMMAND;
NETLIST_EXPORTER_SPICE::WriteDirectives( aSimCommand, aSimOptions, aFormatter );
if( !aSimCommand.IsEmpty() )
aFormatter.Print( 0, "%s\n", TO_UTF8( aSimCommand ) );
}
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