1 files changed, 95 insertions, 0 deletions
diff --git a/src/electronics/components/ecvoltagesignal.cpp b/src/electronics/components/ecvoltagesignal.cpp
new file mode 100644
index 0000000..c338f36
--- /dev/null
+++ b/src/electronics/components/ecvoltagesignal.cpp
@@ -0,0 +1,95 @@
+/***************************************************************************
+ *   Copyright (C) 2003-2004 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 "ecnode.h"
+#include "ecvoltagesignal.h"
+#include "libraryitem.h"
+#include "pin.h"
+#include "simulator.h"
+#include "voltagesignal.h"
+
+#include <klocale.h>
+#include <qpainter.h>
+
+const double conductance = 1e5; // Internal resistance
+
+Item* ECVoltageSignal::construct( ItemDocument *itemDocument, bool newItem, const char *id )
+{
+	return new ECVoltageSignal( (ICNDocument*)itemDocument, newItem, id );
+}
+
+LibraryItem* ECVoltageSignal::libraryItem()
+{
+	return new LibraryItem(
+		QString("ec/voltage_signal"),
+		i18n("Voltage Signal"),
+		i18n("Sources"),
+		"voltagesignal.png",
+		LibraryItem::lit_component,
+		ECVoltageSignal::construct );
+}
+
+ECVoltageSignal::ECVoltageSignal( ICNDocument *icnDocument, bool newItem, const char *id )
+	: Component( icnDocument, newItem, (id) ? id : "voltage_signal" )
+{
+	m_name = i18n("Voltage Signal");
+	m_desc = i18n("Provides a variety of voltage signals.");
+	setSize( -8, -8, 16, 16 );
+	
+	init1PinLeft();
+	init1PinRight();
+	
+	m_pNNode[0]->pin()->setGroundType( Pin::gt_medium );
+	m_voltageSignal = createVoltageSignal( m_pNNode[0], m_pPNode[0], 0. );
+	m_voltageSignal->setStep( 1./LINEAR_UPDATE_RATE, ElementSignal::st_sinusoidal, 50. );
+	
+	createProperty( "frequency", Variant::Type::Double );
+	property("frequency")->setCaption( i18n("Frequency") );
+	property("frequency")->setUnit("Hz");
+	property("frequency")->setMinValue(1e-9);
+	property("frequency")->setMaxValue(1e3);
+	property("frequency")->setValue(50.0);
+	
+	createProperty( "voltage", Variant::Type::Double );
+	property("voltage")->setCaption( i18n("Voltage Range") );
+	property("voltage")->setUnit("V");	
+	property("voltage")->setMinValue(-1e12);
+	property("voltage")->setMaxValue(1e12);
+	property("voltage")->setValue(5.0);
+	
+	addDisplayText( "~", QRect( -8, -8, 16, 16 ), "~" );
+	addDisplayText( "voltage", QRect( -16, -24, 32, 16 ), "" );
+}
+
+
+ECVoltageSignal::~ECVoltageSignal()
+{
+}
+
+void ECVoltageSignal::dataChanged()
+{
+	const double voltage = dataDouble("voltage");
+	const double frequency = dataDouble("frequency");
+	
+	QString display = QString::number( voltage / getMultiplier(voltage), 'g', 3 ) + getNumberMag(voltage) + "V";
+	setDisplayText( "voltage", display );
+	
+	m_voltageSignal->setStep( 1./LINEAR_UPDATE_RATE, ElementSignal::st_sinusoidal, frequency );
+	m_voltageSignal->setVoltage(voltage);
+}
+
+
+void ECVoltageSignal::drawShape( QPainter &p )
+{
+	initPainter(p);
+	p.drawEllipse( (int)x()-8, (int)y()-8, width(), height() );
+	deinitPainter(p);
+}
+