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Diffstat (limited to 'src/electronics/components/piccomponentpin.cpp')
| -rw-r--r-- | src/electronics/components/piccomponentpin.cpp | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/src/electronics/components/piccomponentpin.cpp b/src/electronics/components/piccomponentpin.cpp new file mode 100644 index 0000000..47ef6cb --- /dev/null +++ b/src/electronics/components/piccomponentpin.cpp @@ -0,0 +1,172 @@ +/*************************************************************************** + * Copyright (C) 2005 by David Saxton * + * david@bluehaze.org * + * * + * 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. * + ***************************************************************************/ + +#include "config.h" +#ifndef NO_GPSIM + +#include "micropackage.h" +#include "piccomponent.h" +#include "piccomponentpin.h" + +#include <kdebug.h> + +PICComponentPin::PICComponentPin( PICComponent * picComponent, PicPin picPin ) + : m_id( picPin.pinID ) +{ + m_gOutHigh = 0.0; + m_gOutLow = 0.0; + m_picPin = picPin; + m_pPICComponent = picComponent; + m_pLogicOut = 0l; + m_pLogicIn = 0l; + m_pIOPIN = 0l; + m_pStimulusNode = 0l; + Zth = 0.0; + Vth = 0.0; + + switch ( picPin.type ) + { + case PicPin::type_input: + { + m_pLogicIn = picComponent->createLogicIn( picComponent->ecNodeWithID(picPin.pinID) ); + break; + } + case PicPin::type_bidir: + { + m_pLogicOut = picComponent->createLogicOut( picComponent->ecNodeWithID(picPin.pinID), false ); + m_gOutHigh = 0.004; + m_gOutLow = 0.004; + break; + } + case PicPin::type_open: + { + m_pLogicOut = picComponent->createLogicOut( picComponent->ecNodeWithID(picPin.pinID), false ); + m_pLogicOut->setOutputHighVoltage(0.0); + m_pLogicOut->setOutputHighConductance(0.0); + m_gOutHigh = 0.0; + m_gOutLow = 0.004; + break; + } + case PicPin::type_vss: + case PicPin::type_vdd: + case PicPin::type_mclr: + case PicPin::type_osc: + default: + break; + } + + if (m_pLogicIn) + m_pLogicIn->setCallback( this, (CallbackPtr)(&PICComponentPin::logicCallback) ); + if (m_pLogicOut) + m_pLogicOut->setCallback( this, (CallbackPtr)(&PICComponentPin::logicCallback) ); +} + + +PICComponentPin::~PICComponentPin() +{ + delete m_pStimulusNode; +} + + +void PICComponentPin::attach( IOPIN * iopin ) +{ + if (!iopin) + { + kdWarning() << k_funcinfo << " iopin is NULL" << endl; + return; + } + + if (m_pStimulusNode) + { + kdWarning() << k_funcinfo << " Already have a node stimulus" << endl; + return; + } + + if (m_pIOPIN) + { + kdWarning() << k_funcinfo << " Already have an iopin" << endl; + return; + } + + m_pIOPIN = iopin; + m_pStimulusNode = new Stimulus_Node(m_id.ascii()); + m_pStimulusNode->attach_stimulus(iopin); + m_pStimulusNode->attach_stimulus(this); + + + // We need to tell the iopin whether or not we are high + if (m_pLogicOut) + logicCallback( m_pLogicOut->isHigh() ); + else if (m_pLogicIn) + logicCallback( m_pLogicIn->isHigh() ); +} + + +double PICComponentPin::get_Vth( ) +{ + if (!m_pIOPIN) + return 0.0; + + if ( m_pIOPIN->get_direction() == IOPIN::DIR_INPUT ) + return Vth; + else + return m_pIOPIN->get_Vth(); +} + + +void PICComponentPin::set_nodeVoltage( double v ) +{ + Q_UNUSED(v); + + if ( !m_pLogicOut || !m_pIOPIN ) + return; + + if ( m_pIOPIN->get_direction() == IOPIN::DIR_INPUT ) + { + m_pLogicOut->setOutputHighConductance(0.0); + m_pLogicOut->setOutputLowConductance(0.0); + return; + } + + m_pLogicOut->setHigh( m_pIOPIN->getDrivingState() ); + m_pLogicOut->setOutputHighConductance(m_gOutHigh); + m_pLogicOut->setOutputLowConductance(m_gOutLow); +} + + +void PICComponentPin::logicCallback( bool state ) +{ + if (!m_pIOPIN) + return; + + Vth = state ? 5e10 : 0; + bDrivingState = state; + + if ( m_pIOPIN->get_direction() == IOPIN::DIR_INPUT ) + { + Zth = 1e5; + + m_pIOPIN->setDrivenState(state); + if (m_pStimulusNode) + m_pStimulusNode->update(); + } + else + Zth = 0; +} + + +void PICComponentPin::resetOutput() +{ + if ( m_pLogicOut ) + m_pLogicOut->setHigh( false ); +} + +#endif + |