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kicad/eeschema/sim/sim_model_ibis.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* 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/kibis/kibis.h>
#include <sim/sim_model_ibis.h>
#include <sim/sim_library_ibis.h>
#include <fmt/core.h>
#include <wx/filename.h>
#include <kiway.h>
#include "sim_lib_mgr.h"
std::string SPICE_GENERATOR_IBIS::ModelName( const SPICE_ITEM& aItem ) const
{
return fmt::format( "{}.{}", aItem.refName, aItem.baseModelName );
}
std::string SPICE_GENERATOR_IBIS::ModelLine( const SPICE_ITEM& aItem ) const
{
return "";
}
std::vector<std::string> SPICE_GENERATOR_IBIS::CurrentNames( const SPICE_ITEM& aItem ) const
{
std::vector<std::string> currentNames;
for( const SIM_MODEL_PIN& pin : GetPins() )
currentNames.push_back( fmt::format( "I({}:{})", ItemName( aItem ), pin.modelPinName ) );
return currentNames;
}
std::string SPICE_GENERATOR_IBIS::IbisDevice( const SPICE_ITEM& aItem, const PROJECT& aProject,
const wxString& aCacheDir,
REPORTER& aReporter ) const
{
std::string ibisLibFilename = SIM_MODEL::GetFieldValue( &aItem.fields, SIM_LIBRARY::LIBRARY_FIELD );
std::string ibisCompName = SIM_MODEL::GetFieldValue( &aItem.fields, SIM_LIBRARY::NAME_FIELD );
std::string ibisPinName = SIM_MODEL::GetFieldValue( &aItem.fields, SIM_LIBRARY_IBIS::PIN_FIELD );
std::string ibisModelName = SIM_MODEL::GetFieldValue( &aItem.fields, SIM_LIBRARY_IBIS::MODEL_FIELD );
bool diffMode = SIM_MODEL::GetFieldValue( &aItem.fields, SIM_LIBRARY_IBIS::DIFF_FIELD ) == "1";
WX_STRING_REPORTER reporter;
wxString path = SIM_LIB_MGR::ResolveLibraryPath( ibisLibFilename, &aProject, reporter );
if( reporter.HasMessage() )
THROW_IO_ERROR( reporter.GetMessages() );
KIBIS kibis( std::string( path.c_str() ) );
kibis.m_cacheDir = std::string( aCacheDir.c_str() );
kibis.m_reporter = &aReporter;
if( !kibis.m_valid )
THROW_IO_ERROR( wxString::Format( _( "Invalid IBIS file '%s'" ), ibisLibFilename ) );
KIBIS_COMPONENT* kcomp = kibis.GetComponent( std::string( ibisCompName ) );
if( !kcomp )
THROW_IO_ERROR( wxString::Format( _( "Could not find IBIS component '%s'" ), ibisCompName ) );
KIBIS_PIN* kpin = kcomp->GetPin( ibisPinName );
if( !kcomp->m_valid )
THROW_IO_ERROR( wxString::Format( _( "Invalid IBIS component '%s'" ), ibisCompName ) );
if( !kpin )
{
THROW_IO_ERROR( wxString::Format( _( "Could not find IBIS pin '%s' in component '%s'" ),
ibisPinName,
ibisCompName ) );
}
if( !kpin->m_valid )
{
THROW_IO_ERROR( wxString::Format( _( "Invalid IBIS pin '%s' in component '%s'" ),
ibisPinName,
ibisCompName ) );
}
KIBIS_MODEL* kmodel = kibis.GetModel( ibisModelName );
if( !kmodel )
THROW_IO_ERROR( wxString::Format( _( "Could not find IBIS model '%s'" ), ibisModelName ) );
if( !kmodel->m_valid )
THROW_IO_ERROR( wxString::Format( _( "Invalid IBIS model '%s'" ), ibisModelName ) );
KIBIS_PARAMETER kparams;
if( const SIM_MODEL::PARAM* vcc = m_model.FindParam( "vcc" ) )
kparams.SetCornerFromString( kparams.m_supply, vcc->value );
if( const SIM_MODEL::PARAM* rpin = m_model.FindParam( "rpin" ) )
kparams.SetCornerFromString( kparams.m_Rpin, rpin->value );
if( const SIM_MODEL::PARAM* lpin = m_model.FindParam( "lpin" ) )
kparams.SetCornerFromString( kparams.m_Lpin, lpin->value );
if( const SIM_MODEL::PARAM* cpin = m_model.FindParam( "cpin" ) )
kparams.SetCornerFromString( kparams.m_Cpin, cpin->value );
//kparams.SetCornerFromString( kparams.m_Ccomp, FindParam( "ccomp" )->value );
std::string result;
switch( m_model.GetType() )
{
case SIM_MODEL::TYPE::KIBIS_DEVICE:
if( diffMode )
kpin->writeSpiceDiffDevice( result, aItem.modelName, *kmodel, kparams );
else
kpin->writeSpiceDevice( result, aItem.modelName, *kmodel, kparams );
break;
case SIM_MODEL::TYPE::KIBIS_DRIVER_DC:
{
std::string paramValue = "";
if( const SIM_MODEL::PARAM* dc = m_model.FindParam( "dc" ) )
paramValue = dc->value;
if( paramValue == "hi-Z" )
{
kparams.m_waveform = new KIBIS_WAVEFORM_HIGH_Z( kibis );
}
else if( paramValue == "low" )
{
kparams.m_waveform = new KIBIS_WAVEFORM_STUCK_LOW( kibis );
}
else if( paramValue == "high" )
{
kparams.m_waveform = new KIBIS_WAVEFORM_STUCK_HIGH( kibis );
}
if( diffMode )
kpin->writeSpiceDiffDriver( result, aItem.modelName, *kmodel, kparams );
else
kpin->writeSpiceDriver( result, aItem.modelName, *kmodel, kparams );
break;
}
case SIM_MODEL::TYPE::KIBIS_DRIVER_RECT:
{
KIBIS_WAVEFORM_RECTANGULAR* waveform = new KIBIS_WAVEFORM_RECTANGULAR( kibis );
if( const SIM_MODEL::PARAM* ton = m_model.FindParam( "ton" ) )
waveform->m_ton = SIM_VALUE::ToDouble( ton->value, 0 );
if( const SIM_MODEL::PARAM* toff = m_model.FindParam( "toff" ) )
waveform->m_toff = SIM_VALUE::ToDouble( toff->value, 0 );
if( const SIM_MODEL::PARAM* td = m_model.FindParam( "td" ) )
waveform->m_delay = SIM_VALUE::ToDouble( td->value, 0 );
if( const SIM_MODEL::PARAM* n = m_model.FindParam( "n" ) )
waveform->m_cycles = SIM_VALUE::ToInt( n->value, 1 );
kparams.m_waveform = waveform;
if( diffMode )
kpin->writeSpiceDiffDriver( result, aItem.modelName, *kmodel, kparams );
else
kpin->writeSpiceDriver( result, aItem.modelName, *kmodel, kparams );
break;
}
case SIM_MODEL::TYPE::KIBIS_DRIVER_PRBS:
{
KIBIS_WAVEFORM_PRBS* waveform = new KIBIS_WAVEFORM_PRBS( kibis );
if( const SIM_MODEL::PARAM* f0 = m_model.FindParam( "f0" ) )
waveform->m_bitrate = SIM_VALUE::ToDouble( f0->value, 0 );
if( const SIM_MODEL::PARAM* td = m_model.FindParam( "td" ) )
waveform->m_delay = SIM_VALUE::ToDouble( td->value, 0 );
if( const SIM_MODEL::PARAM* n = m_model.FindParam( "n" ) )
waveform->SetBits( SIM_VALUE::ToInt( n->value, 0 ) );
kparams.m_waveform = waveform;
if( diffMode )
kpin->writeSpiceDiffDriver( result, aItem.modelName, *kmodel, kparams );
else
kpin->writeSpiceDriver( result, aItem.modelName, *kmodel, kparams );
break;
}
default:
wxFAIL_MSG( "Unknown IBIS model type" );
return "";
}
return result;
}
SIM_MODEL_IBIS::SIM_MODEL_IBIS( TYPE aType ) :
SIM_MODEL( aType, std::make_unique<SPICE_GENERATOR_IBIS>( *this ) ),
m_enableDiff( false ),
m_sourceModel( nullptr )
{
static std::vector<PARAM::INFO> device = makeParamInfos( TYPE::KIBIS_DEVICE );
static std::vector<PARAM::INFO> dcDriver = makeParamInfos( TYPE::KIBIS_DRIVER_DC );
static std::vector<PARAM::INFO> rectDriver = makeParamInfos( TYPE::KIBIS_DRIVER_RECT );
static std::vector<PARAM::INFO> prbsDriver = makeParamInfos( TYPE::KIBIS_DRIVER_PRBS );
std::vector<PARAM::INFO>* paramInfos = nullptr;
switch( aType )
{
case SIM_MODEL::TYPE::KIBIS_DEVICE: paramInfos = &device; break;
case SIM_MODEL::TYPE::KIBIS_DRIVER_DC: paramInfos = &dcDriver; break;
case SIM_MODEL::TYPE::KIBIS_DRIVER_RECT: paramInfos = &rectDriver; break;
case SIM_MODEL::TYPE::KIBIS_DRIVER_PRBS: paramInfos = &prbsDriver; break;
default:
wxFAIL;
return;
}
for( const PARAM::INFO& paramInfo : *paramInfos )
AddParam( paramInfo );
SwitchSingleEndedDiff( false );
}
void SIM_MODEL_IBIS::SwitchSingleEndedDiff( bool aDiff )
{
ClearPins();
if( aDiff )
{
AddPin( { "GND", "1" } );
AddPin( { "+", "2" } );
AddPin( { "-", "3" } );
}
else
{
AddPin( { "GND", "1" } );
AddPin( { "IN/OUT", "2" } );
}
}
SIM_MODEL_IBIS::SIM_MODEL_IBIS( TYPE aType, const SIM_MODEL_IBIS& aSource ) :
SIM_MODEL_IBIS( aType )
{
for( PARAM& param1 : m_params )
{
for( int ii = 0; ii < aSource.GetParamCount(); ++ii )
{
const PARAM& param2 = aSource.GetParam( ii );
if( param1.info.name == param2.info.name )
param1.value = param2.value;
}
}
m_componentName = aSource.m_componentName;
m_ibisPins = aSource.GetIbisPins();
m_ibisModels = aSource.GetIbisModels();
m_enableDiff = aSource.CanDifferential();
}
bool SIM_MODEL_IBIS::ChangePin( const SIM_LIBRARY_IBIS& aLib, const std::string& aPinNumber )
{
KIBIS_COMPONENT* kcomp = aLib.m_kibis.GetComponent( std::string( GetComponentName() ) );
if( !kcomp )
return false;
KIBIS_PIN* kpin = kcomp->GetPin( aPinNumber );
if( !kpin )
return false;
m_ibisModels.clear();
for( KIBIS_MODEL* kmodel : kpin->m_models )
m_ibisModels.push_back( kmodel->m_name );
return true;
}
void SIM_MODEL_IBIS::SetBaseModel( const SIM_MODEL& aBaseModel )
{
// Actual base models can only be of the same type, which is not the case here, as in addition
// to IBIS device model type we have multiple types of drivers available for the same sourced
// model. And we don't want to inherit the default values anyway. So we just store these models
// and use the only for Spice code generation.
m_sourceModel = dynamic_cast<const SIM_MODEL_IBIS*>( &aBaseModel );
}
std::vector<SIM_MODEL::PARAM::INFO> SIM_MODEL_IBIS::makeParamInfos( TYPE aType )
{
std::vector<PARAM::INFO> paramInfos;
PARAM::INFO paramInfo;
paramInfo.name = "vcc";
paramInfo.type = SIM_VALUE::TYPE_STRING;
paramInfo.unit = "";
paramInfo.category = PARAM::CATEGORY::PRINCIPAL;
paramInfo.defaultValue = "typ";
paramInfo.description = _( "Power supply" );
paramInfo.spiceModelName = "";
paramInfo.enumValues = { "typ", "min", "max" };
paramInfos.push_back( paramInfo );
paramInfo.name = "rpin";
paramInfo.type = SIM_VALUE::TYPE_STRING;
paramInfo.unit = "";
paramInfo.category = PARAM::CATEGORY::PRINCIPAL;
paramInfo.defaultValue = "typ";
paramInfo.description = _( "Parasitic pin resistance" );
paramInfo.spiceModelName = "";
paramInfo.enumValues = { "typ", "min", "max" };
paramInfos.push_back( paramInfo );
paramInfo.name = "lpin";
paramInfo.type = SIM_VALUE::TYPE_STRING;
paramInfo.unit = "";
paramInfo.category = PARAM::CATEGORY::PRINCIPAL;
paramInfo.defaultValue = "typ";
paramInfo.description = _( "Parasitic pin inductance" );
paramInfo.spiceModelName = "";
paramInfo.enumValues = { "typ", "min", "max" };
paramInfos.push_back( paramInfo );
paramInfo.name = "cpin";
paramInfo.type = SIM_VALUE::TYPE_STRING;
paramInfo.unit = "";
paramInfo.category = PARAM::CATEGORY::PRINCIPAL;
paramInfo.defaultValue = "typ";
paramInfo.description = _( "Parasitic pin capacitance" );
paramInfo.spiceModelName = "";
paramInfo.enumValues = { "typ", "min", "max" };
paramInfos.push_back( paramInfo );
std::vector<PARAM::INFO> dc = makeDcWaveformParamInfos();
std::vector<PARAM::INFO> rect = makeRectWaveformParamInfos();
std::vector<PARAM::INFO> prbs = makePrbsWaveformParamInfos();
switch( aType )
{
case TYPE::KIBIS_DRIVER_DC:
for( const PARAM::INFO& param : makeDcWaveformParamInfos() )
paramInfos.push_back( param );
break;
case TYPE::KIBIS_DRIVER_RECT:
for( const PARAM::INFO& param : makeRectWaveformParamInfos() )
paramInfos.push_back( param );
break;
case TYPE::KIBIS_DRIVER_PRBS:
for( const PARAM::INFO& param : makePrbsWaveformParamInfos() )
paramInfos.push_back( param );
break;
default:
break;
}
return paramInfos;
}
std::vector<SIM_MODEL::PARAM::INFO> SIM_MODEL_IBIS::makeDcWaveformParamInfos()
{
std::vector<PARAM::INFO> paramInfos;
PARAM::INFO paramInfo;
paramInfo.name = "dc";
paramInfo.type = SIM_VALUE::TYPE_STRING;
paramInfo.unit = "";
paramInfo.category = PARAM::CATEGORY::WAVEFORM;
paramInfo.defaultValue = "hi-Z";
paramInfo.description = _( "DC Value" );
paramInfo.enumValues = { "hi-Z", "low", "high" };
paramInfos.push_back( paramInfo );
return paramInfos;
}
std::vector<SIM_MODEL::PARAM::INFO> SIM_MODEL_IBIS::makeRectWaveformParamInfos()
{
std::vector<PARAM::INFO> paramInfos;
PARAM::INFO paramInfo;
paramInfo.name = "ton";
paramInfo.type = SIM_VALUE::TYPE_FLOAT;
paramInfo.unit = "s";
paramInfo.category = PARAM::CATEGORY::WAVEFORM;
paramInfo.defaultValue = "";
paramInfo.description = _( "ON time" );
paramInfos.push_back( paramInfo );
paramInfo.name = "toff";
paramInfo.type = SIM_VALUE::TYPE_FLOAT;
paramInfo.unit = "s";
paramInfo.category = PARAM::CATEGORY::WAVEFORM;
paramInfo.defaultValue = "";
paramInfo.description = _( "OFF time" );
paramInfos.push_back( paramInfo );
paramInfo.name = "td";
paramInfo.type = SIM_VALUE::TYPE_FLOAT;
paramInfo.unit = "s";
paramInfo.category = PARAM::CATEGORY::WAVEFORM;
paramInfo.defaultValue = "0";
paramInfo.description = _( "Delay" );
paramInfos.push_back( paramInfo );
paramInfo.name = "n";
paramInfo.type = SIM_VALUE::TYPE_INT;
paramInfo.unit = "";
paramInfo.category = PARAM::CATEGORY::WAVEFORM;
paramInfo.defaultValue = "1";
paramInfo.description = _( "Number of cycles" );
paramInfos.push_back( paramInfo );
return paramInfos;
}
std::vector<SIM_MODEL::PARAM::INFO> SIM_MODEL_IBIS::makePrbsWaveformParamInfos()
{
std::vector<PARAM::INFO> paramInfos;
PARAM::INFO paramInfo;
paramInfo.name = "f0";
paramInfo.type = SIM_VALUE::TYPE_FLOAT;
paramInfo.unit = "Hz";
paramInfo.category = PARAM::CATEGORY::WAVEFORM;
paramInfo.defaultValue = "";
paramInfo.description = _( "Bitrate" );
paramInfos.push_back( paramInfo );
paramInfo.name = "td";
paramInfo.type = SIM_VALUE::TYPE_FLOAT;
paramInfo.unit = "s";
paramInfo.category = PARAM::CATEGORY::WAVEFORM;
paramInfo.defaultValue = "";
paramInfo.description = _( "Delay" );
paramInfos.push_back( paramInfo );
paramInfo.name = "n";
paramInfo.type = SIM_VALUE::TYPE_INT;
paramInfo.unit = "";
paramInfo.category = PARAM::CATEGORY::WAVEFORM;
paramInfo.defaultValue = "";
paramInfo.description = _( "Number of bits" );
paramInfos.push_back( paramInfo );
return paramInfos;
}
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