From 5de3dd4762ca33a0f92e79ffa4fe2ff67069d531 Mon Sep 17 00:00:00 2001
From: tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Wed, 24 Feb 2010 01:49:02 +0000
Subject: Added KDE3 version of ktechlab

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/ktechlab@1095338 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 src/electronics/components/ec555.cpp | 172 +++++++++++++++++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100644 src/electronics/components/ec555.cpp

(limited to 'src/electronics/components/ec555.cpp')

diff --git a/src/electronics/components/ec555.cpp b/src/electronics/components/ec555.cpp
new file mode 100644
index 0000000..eccf2bd
--- /dev/null
+++ b/src/electronics/components/ec555.cpp
@@ -0,0 +1,172 @@
+/***************************************************************************
+ *   Copyright (C) 2003 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 "ec555.h"
+
+#include "ecnode.h"
+#include "libraryitem.h"
+#include "pin.h"
+#include "resistance.h"
+
+#include <kiconloader.h>
+#include <klocale.h>
+#include <qpainter.h>
+
+Item* EC555::construct( ItemDocument *itemDocument, bool newItem, const char *id )
+{
+	return new EC555( (ICNDocument*)itemDocument, newItem, id );
+}
+
+LibraryItem* EC555::libraryItem()
+{
+	return new LibraryItem(
+		QString::QString("ec/555"),
+		i18n("555"),
+		i18n("Integrated Circuits"),
+		"ic1.png",
+		LibraryItem::lit_component,
+		EC555::construct
+			);
+}
+
+EC555::EC555( ICNDocument *icnDocument, bool newItem, const char *id )
+	: Component( icnDocument, newItem, (id) ? id : "555" )
+{
+	m_name = i18n("555");
+	m_desc = i18n("Common timer IC");
+// 	m_pins = QStringList::split( ',', "Gnd,Trg,Out,Res,CV,Th,Dis,Vcc" );
+// 	m_pins = QStringList::split( ',', "Dis,Th,Trg,Gnd,CV,Out,Res,Vcc" );
+	
+	old_com1 = false;
+	old_com2 = false;
+	old_q = false;
+	
+	setSize( -32, -32, 64, 64 );
+	
+	
+	// Pins down left
+	
+	// Pin 7
+	discharge = createPin( -40, -16, 0, "Dis" )->pin();
+	addDisplayText( "dis", QRect( -32, -24, 24, 16 ), "Dis" );
+	
+	// Pin 6
+	threshold = createPin( -40, 0, 0, "Th" )->pin();
+	addDisplayText( "th", QRect( -32, -8, 24, 16 ), "Th" );
+	
+	// Pin 2
+	trigger = createPin( -40, 16, 0, "Trg" )->pin();
+	addDisplayText( "trg", QRect( -32, 8, 24, 16 ), "Trg" );
+	
+	
+	
+	// Top two
+	
+	// Pin 8
+	vcc = createPin( -16, -40, 90, "Vcc" )->pin();
+	addDisplayText( "vcc", QRect( -24, -32, 16, 8 ), "+" );
+	
+	// Pin 4
+	reset = createPin( 16, -40, 90, "Res" )->pin();
+	addDisplayText( "res", QRect( 8, -28, 16, 16 ), "Res" );
+	
+	
+	
+	// Bottom two
+	
+	// Pin 1
+	ground = createPin( -16, 40, 270, "Gnd" )->pin();
+	addDisplayText( "gnd", QRect( -24, 20, 16, 8 ), "-" );
+	
+	// Pin 5
+	control = createPin( 16, 40, 270, "CV" )->pin();
+	addDisplayText( "cv", QRect( 8, 12, 16, 16 ), "CV" );
+	
+	
+	
+	// Output on right
+	
+	// Pin 3
+	output = createPin( 40, 0, 180, "Out" )->pin();
+	addDisplayText( "out", QRect( 8, -8, 16, 16 ), "Out" );
+	
+	
+	
+	m_r1 = createResistance( vcc, control, 5e3 );
+	m_r23 = createResistance( control, ground, 1e4 );
+	m_po_sink = createResistance( output, ground, 0. );
+	m_po_source = createResistance( output, vcc, 0. );
+	m_po_source->setConductance(0.);
+	m_r_discharge = createResistance( discharge, ground, 0. );
+}
+
+
+EC555::~EC555()
+{
+}
+
+void EC555::stepNonLogic()
+{
+	double v_threshold = threshold->voltage();
+	double v_control = control->voltage();
+	double v_ground = ground->voltage();
+	double v_trigger = trigger->voltage();
+	double v_reset = reset->voltage();
+	double v_vcc = vcc->voltage();
+	
+	double v_r = (v_control+v_ground)/2;
+	
+	bool com1 = ( v_threshold == v_control ) ? old_com1 : ( v_threshold < v_control );
+	bool com2 = ( v_r == v_trigger ) ? old_com2 : ( v_r > v_trigger );
+	bool reset = ( v_reset >= (v_control-v_ground)/2 + v_ground );
+	old_com1 = com1;
+	old_com2 = com2;
+	
+	bool r = ( !reset || !com1 );
+	bool s = com2;
+	
+	bool q = old_q;
+	if ( v_vcc - v_ground >= 2.5 )
+	{
+		if ( s && !r )
+		{
+			q = true;
+		}
+		else if ( r && !s )
+		{
+			q = false;
+		}
+	}
+	else
+	{
+		q = false;
+	}
+	old_q = q;
+	
+	
+	m_r_discharge->setConductance(0.);
+	
+	if (q)
+	{
+		m_po_source->setResistance(10.);
+		m_po_sink->setConductance(0.);
+	}
+	else
+	{
+		m_po_source->setConductance(0.);
+		m_po_sink->setResistance(10.);
+		if ( v_ground+0.7 <= v_vcc )
+		{
+			m_r_discharge->setResistance(10.);
+		}
+	}
+}
+
+
-- 
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