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173 lines
4.0 KiB
173 lines
4.0 KiB
/***************************************************************************
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* Copyright (C) 2003 by David Saxton *
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* david@bluehaze.org *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#include "ec555.h"
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#include "ecnode.h"
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#include "libraryitem.h"
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#include "pin.h"
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#include "resistance.h"
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#include <kiconloader.h>
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#include <tdelocale.h>
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#include <tqpainter.h>
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Item* EC555::construct( ItemDocument *itemDocument, bool newItem, const char *id )
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{
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return new EC555( (ICNDocument*)itemDocument, newItem, id );
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}
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LibraryItem* EC555::libraryItem()
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{
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return new LibraryItem(
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TQString("ec/555"),
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i18n("555"),
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i18n("Integrated Circuits"),
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"ic1.png",
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LibraryItem::lit_component,
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EC555::construct
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);
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}
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EC555::EC555( ICNDocument *icnDocument, bool newItem, const char *id )
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: Component( icnDocument, newItem, (id) ? id : "555" )
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{
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m_name = i18n("555");
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m_desc = i18n("Common timer IC");
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// m_pins = TQStringList::split( ',', "Gnd,Trg,Out,Res,CV,Th,Dis,Vcc" );
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// m_pins = TQStringList::split( ',', "Dis,Th,Trg,Gnd,CV,Out,Res,Vcc" );
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old_com1 = false;
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old_com2 = false;
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old_q = false;
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setSize( -32, -32, 64, 64 );
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// Pins down left
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// Pin 7
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discharge = createPin( -40, -16, 0, "Dis" )->pin();
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addDisplayText( "dis", TQRect( -32, -24, 24, 16 ), "Dis" );
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// Pin 6
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threshold = createPin( -40, 0, 0, "Th" )->pin();
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addDisplayText( "th", TQRect( -32, -8, 24, 16 ), "Th" );
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// Pin 2
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trigger = createPin( -40, 16, 0, "Trg" )->pin();
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addDisplayText( "trg", TQRect( -32, 8, 24, 16 ), "Trg" );
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// Top two
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// Pin 8
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vcc = createPin( -16, -40, 90, "Vcc" )->pin();
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addDisplayText( "vcc", TQRect( -24, -32, 16, 8 ), "+" );
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// Pin 4
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reset = createPin( 16, -40, 90, "Res" )->pin();
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addDisplayText( "res", TQRect( 8, -28, 16, 16 ), "Res" );
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// Bottom two
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// Pin 1
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ground = createPin( -16, 40, 270, "Gnd" )->pin();
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addDisplayText( "gnd", TQRect( -24, 20, 16, 8 ), "-" );
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// Pin 5
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control = createPin( 16, 40, 270, "CV" )->pin();
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addDisplayText( "cv", TQRect( 8, 12, 16, 16 ), "CV" );
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// Output on right
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// Pin 3
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output = createPin( 40, 0, 180, "Out" )->pin();
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addDisplayText( "out", TQRect( 8, -8, 16, 16 ), "Out" );
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m_r1 = createResistance( vcc, control, 5e3 );
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m_r23 = createResistance( control, ground, 1e4 );
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m_po_sink = createResistance( output, ground, 0. );
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m_po_source = createResistance( output, vcc, 0. );
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m_po_source->setConductance(0.);
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m_r_discharge = createResistance( discharge, ground, 0. );
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}
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EC555::~EC555()
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{
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}
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void EC555::stepNonLogic()
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{
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double v_threshold = threshold->voltage();
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double v_control = control->voltage();
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double v_ground = ground->voltage();
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double v_trigger = trigger->voltage();
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double v_reset = reset->voltage();
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double v_vcc = vcc->voltage();
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double v_r = (v_control+v_ground)/2;
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bool com1 = ( v_threshold == v_control ) ? old_com1 : ( v_threshold < v_control );
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bool com2 = ( v_r == v_trigger ) ? old_com2 : ( v_r > v_trigger );
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bool reset = ( v_reset >= (v_control-v_ground)/2 + v_ground );
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old_com1 = com1;
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old_com2 = com2;
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bool r = ( !reset || !com1 );
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bool s = com2;
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bool q = old_q;
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if ( v_vcc - v_ground >= 2.5 )
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{
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if ( s && !r )
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{
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q = true;
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}
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else if ( r && !s )
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{
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q = false;
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}
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}
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else
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{
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q = false;
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}
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old_q = q;
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m_r_discharge->setConductance(0.);
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if (q)
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{
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m_po_source->setResistance(10.);
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m_po_sink->setConductance(0.);
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}
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else
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{
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m_po_source->setConductance(0.);
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m_po_sink->setResistance(10.);
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if ( v_ground+0.7 <= v_vcc )
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{
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m_r_discharge->setResistance(10.);
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}
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}
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}
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