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Diffstat (limited to 'src/electronics/components/addac.cpp')
| -rw-r--r-- | src/electronics/components/addac.cpp | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/src/electronics/components/addac.cpp b/src/electronics/components/addac.cpp new file mode 100644 index 0000000..a58e2d8 --- /dev/null +++ b/src/electronics/components/addac.cpp @@ -0,0 +1,281 @@ +/*************************************************************************** + * Copyright (C) 2005 by David Saxton * + * [email protected] * + * * + * 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 "addac.h" +#include "ecnode.h" +#include "logic.h" +#include "libraryitem.h" +#include "pin.h" +#include "voltagepoint.h" + +#include <cmath> +#include <kiconloader.h> +#include <klocale.h> + + +Item* ADC::construct( ItemDocument *itemDocument, bool newItem, const char *id ) +{ + return new ADC( (ICNDocument*)itemDocument, newItem, id ); +} + + +Item* DAC::construct( ItemDocument *itemDocument, bool newItem, const char *id ) +{ + return new DAC( (ICNDocument*)itemDocument, newItem, id ); +} + + +LibraryItem* ADC::libraryItem() +{ + return new LibraryItem( + "ec/adc", + i18n("Analog-Digital"), + i18n("Integrated Circuits"), + "ic1.png", + LibraryItem::lit_component, + ADC::construct + ); +} + + +LibraryItem* DAC::libraryItem() +{ + return new LibraryItem( + "ec/dac", + i18n("Digital-Analog"), + i18n("Integrated Circuits"), + "ic1.png", + LibraryItem::lit_component, + DAC::construct + ); +} + + +//BEGIN class ADDAC +ADDAC::ADDAC( ICNDocument *icnDocument, bool newItem, const char *id ) + : Component( icnDocument, newItem, id ) +{ + m_numBits = 0; + m_range = 0; + + createProperty( "numBits", Variant::Type::Int ); + property("numBits")->setCaption( i18n("Number Bits") ); + property("numBits")->setMinValue(2); + property("numBits")->setMaxValue(max_ADDAC_bits); + property("numBits")->setValue(2); + + createProperty( "range", Variant::Type::Double ); + property("range")->setCaption( i18n("Input Range") ); + property("range")->setUnit("V"); + property("range")->setMinValue(-1e12); + property("range")->setMaxValue(1e12); + property("range")->setValue(5); +} + +ADDAC::~ADDAC() +{ +} + + +void ADDAC::dataChanged() +{ + m_range = dataDouble("range"); + initPins(); +} + +//END class ADDAC + + + + +//BEGIN class ADC +ADC::ADC( ICNDocument *icnDocument, bool newItem, const char *id ) + : ADDAC( icnDocument, newItem, (id) ? id : "adc" ) +{ + m_name = i18n("ADC"); + m_desc = i18n("Converts an analog signal into a digital output."); + + for ( int i=0; i<max_ADDAC_bits; ++i ) + m_logic[i] = 0l; + + m_realNode = 0l; +} + +ADC::~ADC() +{ +} + + +void ADC::stepNonLogic() +{ + double floatBitValue = m_realNode->pin()->voltage() * (std::pow( 2, double(m_numBits) )-1.) / m_range; + double roundBitValue = std::floor( floatBitValue+0.5 ); + + if ( roundBitValue < 0 ) + { + for ( int i = 0; i<m_numBits; ++i ) + m_logic[i]->setHigh(false); + return; + } + + uint roundedBitValue = uint(roundBitValue); + for ( int i = 0; i<m_numBits; ++i ) + m_logic[i]->setHigh( roundedBitValue & ( 1 << i ) ); +} + + +void ADC::initPins() +{ + int numBits = dataInt("numBits"); + + if ( numBits < 2 ) + numBits = 2; + else if ( numBits > max_ADDAC_bits ) + numBits = max_ADDAC_bits; + + if ( numBits == m_numBits ) + return; + + QStringList pins; + + int inPos = (numBits-1+(numBits%2))/2; + for ( int i=0; i<inPos; ++i ) + pins += ""; + + pins += "In"; + + for ( int i=inPos+1; i<numBits; ++i ) + pins += ""; + + for ( int i=numBits-1; i>=0; --i ) + pins += QString::number(i); + + initDIPSymbol( pins, 64 ); + initDIP(pins); + + if (!m_realNode) + m_realNode = ecNodeWithID("In"); + + + if ( numBits > m_numBits ) + { + for ( int i=m_numBits; i<numBits; ++i ) + { + ECNode *node = ecNodeWithID( QString::number(i) ); + m_logic[i] = createLogicOut( node, false ); + } + } + else + { + for ( int i=numBits; i<m_numBits; ++i ) + { + QString id = QString::number(i); + removeDisplayText(id); + removeElement( m_logic[i], false ); + removeNode(id); + m_logic[i] = 0l; + } + } + + m_numBits = numBits; +} +//END class ADC + + + + +//BEGIN class DAC +DAC::DAC( ICNDocument *icnDocument, bool newItem, const char *id ) + : ADDAC( icnDocument, newItem, (id) ? id : "dac" ) +{ + m_name = i18n("DAC"); + m_desc = i18n("Converts a digital input to an analog output signal."); + + for ( int i=0; i<max_ADDAC_bits; ++i ) + m_logic[i] = 0l; + + m_voltagePoint = 0l; +} + + +DAC::~DAC() +{ +} + + +void DAC::stepNonLogic() +{ + uint value = 0; + for ( int i=0; i<m_numBits; ++i ) + value |= ( m_logic[i]->isHigh() ? 1 : 0 ) << i; + +// double valueAsDouble = double(value); +// double powChange = std::pow( double(m_numBits), 2 )-1.; +// m_voltagePoint->setVoltage( m_range * valueAsDouble / powChange ); + m_voltagePoint->setVoltage( m_range * double(value) / (std::pow( 2, double(m_numBits) )-1.) ); +} + + +void DAC::initPins() +{ + int numBits = dataInt("numBits"); + + if ( numBits < 2 ) + numBits = 2; + else if ( numBits > max_ADDAC_bits ) + numBits = max_ADDAC_bits; + + if ( numBits == m_numBits ) + return; + + QStringList pins; + + for ( int i=0; i<numBits; ++i ) + pins += QString::number(i); + + int inPos = (numBits+1+(numBits%2))/2; + for ( int i=numBits-1; i>=inPos; --i ) + pins += ""; + + pins += "Out"; + + for ( int i=inPos-2; i>=0; --i ) + pins += ""; + + initDIPSymbol( pins, 64 ); + initDIP(pins); + + if (!m_voltagePoint) + m_voltagePoint = createVoltagePoint( ecNodeWithID("Out"), 0. ); + + if ( numBits > m_numBits ) + { + for ( int i=m_numBits; i<numBits; ++i ) + { + ECNode *node = ecNodeWithID( QString::number(i) ); + m_logic[i] = createLogicIn(node); + } + } + else + { + for ( int i=numBits; i<m_numBits; ++i ) + { + QString id = QString::number(i); + removeDisplayText(id); + removeElement( m_logic[i], false ); + removeNode(id); + m_logic[i] = 0l; + } + } + + m_numBits = numBits; +} +//END class DAC + |