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/***************************************************************************
* 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 <tqpainter.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."
);
TQPointArray pa( 4 );
pa[0] = TQPoint( -32, -112 );
pa[1] = TQPoint( 32, -104 );
pa[2] = TQPoint( 32, 104 );
pa[3] = TQPoint( -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 )
{
TQString id = TQString("D%1").arg(i);
TQString name = id;
pin = createPin( -40, -80 + 16*i, 0, id );
addDisplayText( id, TQRect( -28, -88 + 16*i, 28, 16 ), name, true, TQt::AlignLeft | TQt::AlignVCenter );
m_pLogic[i] = createLogicOut( pin, false );
m_pLogic[i]->setCallback( this, (CallbackPtr)(&ParallelPortComponent::dataCallback) );
}
//END Data register
//BEGIN Status register
TQString statusNames[] = { "ERR", "ON", "PE", "ACK", "BUSY" };
// The statusIDs are referenced in the save file and must not change
TQString statusIDs[] = { "ERROR", "ONLINE", "PE", "ACK", "BUSY" };
// Bits 0...2 in the Status register are not used
for ( int i = 3; i < 8; ++i )
{
TQString id = statusIDs[i-3];
TQString 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, TQRect( 0, -80, 28, 16 ), name, true, TQt::AlignRight | TQt::AlignVCenter );
}
else
{
pin = createPin( -40, -16 + 16*i, 0, id );
addDisplayText( id, TQRect( -28, -24 + 16*i, 28, 16 ), name, true, TQt::AlignLeft | TQt::AlignVCenter );
}
m_pLogic[i+8] = createLogicOut( pin, false );
}
//END Status register
//BEGIN Control register
TQString controlNames[] = { "STR", "AUT", "INIT", "SEL" };
// The controlIDs are referenced in the save file and must not change
TQString 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 )
{
TQString id = controlIDs[i];
TQString name = controlNames[i];
if ( i == 0 )
{
pin = createPin( -40, -96, 0, id );
addDisplayText( id, TQRect( -28, -104, 28, 16 ), name, true, TQt::AlignLeft | TQt::AlignVCenter );
}
else if ( i == 1 )
{
pin = createPin( 40, -88, 180, id );
addDisplayText( id, TQRect( 0, -96, 28, 16 ), name, true, TQt::AlignRight | TQt::AlignVCenter );
}
else
{
pin = createPin( 40, -88 + i*16, 180, id );
addDisplayText( id, TQRect( 0, -96 + i*16, 28, 16 ), name, true, TQt::AlignRight | TQt::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, TQString("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 TQString & 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( TQPainter & p )
{
drawPortShape( p );
}
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