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Diffstat (limited to 'src/electronics/components/parallelportcomponent.cpp')
| -rw-r--r-- | src/electronics/components/parallelportcomponent.cpp | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/src/electronics/components/parallelportcomponent.cpp b/src/electronics/components/parallelportcomponent.cpp new file mode 100644 index 0000000..9bc17b4 --- /dev/null +++ b/src/electronics/components/parallelportcomponent.cpp @@ -0,0 +1,241 @@ +/*************************************************************************** + * 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 "port.h" +#include "parallelportcomponent.h" + +#include "ecnode.h" +#include "itemdocument.h" +#include "libraryitem.h" +#include "pin.h" +#include "resistance.h" + +#include <kdebug.h> +#include <klocale.h> +#include <qpainter.h> + +#include <cmath> +#include <termios.h> + +Item* ParallelPortComponent::construct( ItemDocument *itemDocument, bool newItem, const char *id ) +{ + return new ParallelPortComponent( (ICNDocument*)itemDocument, newItem, id ); +} + +LibraryItem* ParallelPortComponent::libraryItem() +{ + return new LibraryItem( + "ec/parallel_port", + i18n("Parallel Port"), + i18n("Connections"), + "ic1.png", + LibraryItem::lit_component, + ParallelPortComponent::construct + ); +} + +ParallelPortComponent::ParallelPortComponent( ICNDocument *icnDocument, bool newItem, const char *id ) + : Component( icnDocument, newItem, id ? id : "parallel_port" ) +{ + m_name = i18n("Parallel Port"); + m_desc = i18n("The pins are divided into 3 registers.<br><br>" + "<b>Data Pins</b><br><br>" + "The data pins can be configured as either all input or all output. They are:" + "<ul>" + "<li><b>D<i>[0..7]</i></b></li>" + "</ul><br>" + "<b>Status Pins</b><br><br>" + "The status pins are read-only. They area:" + "<ul>" + "<li><b>ERR</b> - Error</li>" + "<li><b>ON</b> - Online</li>" + "<li><b>PE</b> - Paper End</li>" + "<li><b>ACK</b> - Acknowledge</li>" + "<li><b>BUSY</b> - Busy</li>" + "</ul><br>" + "<b>Control Pins</b>" + "<ul>" + "<li><b>STR</b> - Strobe</li>" + "<li><b>AUT</b> - Auto Feed</li>" + "<li><b>INIT</b> - Init</li>" + "<li><b>SEL</b> - Select</li>" + "</ul><br>" + "The remaining pins are all ground." + ); + + QPointArray pa( 4 ); + pa[0] = QPoint( -32, -112 ); + pa[1] = QPoint( 32, -104 ); + pa[2] = QPoint( 32, 104 ); + pa[3] = QPoint( -32, 112 ); + setItemPoints( pa ); + + m_pParallelPort = new ParallelPort(); + + for ( unsigned i = 0; i < 24; ++i ) + m_pLogic[i] = 0; + + ECNode * pin = 0; + + //BEGIN Data register + for ( int i = 0; i < 8; ++i ) + { + QString id = QString("D%1").arg(i); + QString name = id; + + pin = createPin( -40, -80 + 16*i, 0, id ); + addDisplayText( id, QRect( -28, -88 + 16*i, 28, 16 ), name, true, Qt::AlignLeft | Qt::AlignVCenter ); + + m_pLogic[i] = createLogicOut( pin, false ); + m_pLogic[i]->setCallback( this, (CallbackPtr)(&ParallelPortComponent::dataCallback) ); + } + //END Data register + + + //BEGIN Status register + QString statusNames[] = { "ERR", "ON", "PE", "ACK", "BUSY" }; + + // The statusIDs are referenced in the save file and must not change + QString statusIDs[] = { "ERROR", "ONLINE", "PE", "ACK", "BUSY" }; + + // Bits 0...2 in the Status register are not used + for ( int i = 3; i < 8; ++i ) + { + QString id = statusIDs[i-3]; + QString name = statusNames[i-3]; + + // Bit 3 (pin 15) doesn't not follow the same positioning pattern as + // the other pins in the Status register. + if ( i == 3 ) + { + pin = createPin( 40, -72, 180, id ); + addDisplayText( id, QRect( 0, -80, 28, 16 ), name, true, Qt::AlignRight | Qt::AlignVCenter ); + } + else + { + pin = createPin( -40, -16 + 16*i, 0, id ); + addDisplayText( id, QRect( -28, -24 + 16*i, 28, 16 ), name, true, Qt::AlignLeft | Qt::AlignVCenter ); + } + + m_pLogic[i+8] = createLogicOut( pin, false ); + } + //END Status register + + + //BEGIN Control register + QString controlNames[] = { "STR", "AUT", "INIT", "SEL" }; + + // The controlIDs are referenced in the save file and must not change + QString controlIDs[] = { "STROBE", "AUTO", "INIT", "SELECT" }; + + // Bits 4..7 are not used (well; bit 5 is, but not as a pin) + for ( int i = 0; i < 4; ++i ) + { + QString id = controlIDs[i]; + QString name = controlNames[i]; + + if ( i == 0 ) + { + pin = createPin( -40, -96, 0, id ); + addDisplayText( id, QRect( -28, -104, 28, 16 ), name, true, Qt::AlignLeft | Qt::AlignVCenter ); + } + else if ( i == 1 ) + { + pin = createPin( 40, -88, 180, id ); + addDisplayText( id, QRect( 0, -96, 28, 16 ), name, true, Qt::AlignRight | Qt::AlignVCenter ); + } + else + { + pin = createPin( 40, -88 + i*16, 180, id ); + addDisplayText( id, QRect( 0, -96 + i*16, 28, 16 ), name, true, Qt::AlignRight | Qt::AlignVCenter ); + } + + m_pLogic[i+16] = createLogicOut( pin, false ); + m_pLogic[i+16]->setCallback( this, (CallbackPtr)(&ParallelPortComponent::controlCallback) ); + } + //END Control register + + +#if 0 + // And make the rest of the pins ground + for ( int i = 0; i < 8; ++i ) + { + pin = createPin( 40, -24 + i*16, 180, QString("GND%1").arg( i ) ); + pin->pin()->setGroundType( Pin::gt_always ); + } +#endif + + Variant * v = createProperty( "port", Variant::Type::Combo ); + v->setAllowed( ParallelPort::ports( Port::ExistsAndRW ) ); + v->setCaption( i18n("Port") ); +} + + +ParallelPortComponent::~ParallelPortComponent() +{ + delete m_pParallelPort; +} + + +void ParallelPortComponent::dataChanged() +{ + initPort( dataString("port") ); +} + + +void ParallelPortComponent::initPort( const QString & port ) +{ + if ( port.isEmpty() ) + { + m_pParallelPort->closePort(); + return; + } + + if ( ! m_pParallelPort->openPort( port ) ) + { + p_itemDocument->canvas()->setMessage( i18n("Could not open port %1").arg( port ) ); + return; + } +} + + +void ParallelPortComponent::dataCallback( bool ) +{ + uchar value = 0; + for ( unsigned i = 0; i < 8; ++ i ) + value |= m_pLogic[ i + 0 ]->isHigh() ? 0 : (1 << i); + + m_pParallelPort->writeToData( value ); +} + + +void ParallelPortComponent::controlCallback( bool ) +{ + uchar value = 0; + for ( unsigned i = 0; i < 4; ++ i ) + value |= m_pLogic[ i + 16 ]->isHigh() ? 0 : (1 << i); + + m_pParallelPort->writeToControl( value ); +} + + +void ParallelPortComponent::stepNonLogic() +{ + uchar status = m_pParallelPort->readFromRegister( ParallelPort::Status ); + // Bits 0...2 in the Status register are not used + for ( int i = 3; i < 8; ++i ) + m_pLogic[i + 8]->setHigh( status | (1 << i) ); +} + + +void ParallelPortComponent::drawShape( QPainter & p ) +{ + drawPortShape( p ); +} |