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Sim: Swap pins instead of inverting position variable in potentiometers

This commit is contained in:
Mikolaj Wielgus 2022-10-26 03:57:53 +02:00
parent 2b8a29b662
commit 01c69f1066
2 changed files with 13 additions and 8 deletions
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20
eeschema/sim/sim_model_r_pot.cpp
View File

@ -29,14 +29,10 @@
std::string SPICE_GENERATOR_R_POT::ModelLine( const SPICE_ITEM& aItem ) const
{
std::string r = m_model.FindParam( "r" )->value->ToSpiceString();
std::string position = m_model.FindParam( "pos" )->value->ToSpiceString();
// We invert the argument passed to the model because we want pos=1 to correspond to the signal
// from + and pos=0 to the signal from -.
auto pos = static_cast<SIM_VALUE_FLOAT&>( *m_model.FindParam( "pos" )->value );
if( pos.HasValue() )
if( position != "" )
{
std::string position = ( SIM_VALUE_FLOAT( 1 ) - pos ).ToSpiceString();
return fmt::format( ".model {} potentiometer( r={} position={} )\n", aItem.modelName, r,
position );
}
@ -45,12 +41,20 @@ std::string SPICE_GENERATOR_R_POT::ModelLine( const SPICE_ITEM& aItem ) const
}
std::string SPICE_GENERATOR_R_POT::ItemLine( const SPICE_ITEM& aItem ) const
{
// Swap pin order so that pos=1 is all +, and pos=0 is all -.
SPICE_ITEM item = aItem;
std::swap( item.pinNetNames[0], item.pinNetNames[2] );
return SPICE_GENERATOR::ItemLine( item );
}
std::string SPICE_GENERATOR_R_POT::TunerCommand( const SPICE_ITEM& aItem,
const SIM_VALUE_FLOAT& aValue ) const
{
return fmt::format( "altermod @{}[position]={}",
aItem.model->SpiceGenerator().ItemName( aItem ),
( SIM_VALUE_FLOAT( 1 ) - aValue ).ToSpiceString() );
aItem.model->SpiceGenerator().ItemName( aItem ), aValue.ToSpiceString() );
}

1
eeschema/sim/sim_model_r_pot.h
View File

@ -35,6 +35,7 @@ public:
using SPICE_GENERATOR::SPICE_GENERATOR;
std::string ModelLine( const SPICE_ITEM& aItem ) const override;
std::string ItemLine( const SPICE_ITEM& aItem ) const override;
std::string TunerCommand( const SPICE_ITEM& aItem, const SIM_VALUE_FLOAT& aValue ) const override;
};