You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
159 lines
4.5 KiB
159 lines
4.5 KiB
/***************************************************************************
|
|
* 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 "ecbcdto7segment.h"
|
|
|
|
#include "logic.h"
|
|
#include "libraryitem.h"
|
|
|
|
#include <kiconloader.h>
|
|
#include <tdelocale.h>
|
|
|
|
// Values for a,b,c,d,e,f,g of common-anode 7 segment display
|
|
bool numbers[16][7] =
|
|
{ { 1, 1, 1, 1, 1, 1, 0 }, // 0
|
|
{ 0, 1, 1, 0, 0, 0, 0 }, // 1
|
|
{ 1, 1, 0, 1, 1, 0, 1 }, // 2
|
|
{ 1, 1, 1, 1, 0, 0, 1 }, // 3
|
|
{ 0, 1, 1, 0 ,0, 1, 1 }, // 4
|
|
{ 1, 0, 1, 1, 0, 1, 1 }, // 5
|
|
{ 1, 0, 1, 1, 1, 1, 1 }, // 6
|
|
{ 1, 1, 1, 0, 0, 0, 0 }, // 7
|
|
{ 1, 1, 1, 1, 1, 1, 1 }, // 8
|
|
{ 1, 1, 1, 0, 0, 1, 1 }, // 9
|
|
{ 1, 1, 1, 0, 1, 1, 1 }, // A
|
|
{ 0, 0, 1, 1, 1, 1, 1 }, // b
|
|
{ 1, 0, 0, 1, 1, 1, 0 }, // C
|
|
{ 0, 1, 1, 1, 1, 0, 1 }, // d
|
|
{ 1, 0, 0, 1, 1, 1, 1 }, // E
|
|
{ 1, 0, 0, 0, 1, 1, 1 } }; // F
|
|
|
|
Item* ECBCDTo7Segment::construct( ItemDocument *itemDocument, bool newItem, const char *id )
|
|
{
|
|
return new ECBCDTo7Segment( (ICNDocument*)itemDocument, newItem, id );
|
|
}
|
|
|
|
LibraryItem* ECBCDTo7Segment::libraryItem()
|
|
{
|
|
return new LibraryItem(
|
|
TQString("ec/bcd_to_seven_segment"),
|
|
i18n("BCD to 7 Segment"),
|
|
i18n("Integrated Circuits"),
|
|
"ic2.png",
|
|
LibraryItem::lit_component,
|
|
ECBCDTo7Segment::construct
|
|
);
|
|
}
|
|
|
|
ECBCDTo7Segment::ECBCDTo7Segment( ICNDocument *icnDocument, bool newItem, const char *id )
|
|
: Component( icnDocument, newItem, (id) ? id : "bcd_to_seven_segment" )
|
|
{
|
|
m_name = i18n("BCD to Seven Segment");
|
|
m_desc = i18n("Converts a binary-coded-input to a form displayable by a seven segment display.<br><br>"
|
|
"Normal operation: <i>lt</i> (Lamp Test) and the <i>rb</i> (Ripple Blanking) are held high, <i>en</i> (Enable) is held low.");
|
|
|
|
ALogic = BLogic = CLogic = DLogic = 0L;
|
|
ltLogic = rbLogic = enLogic = 0L;
|
|
|
|
for ( int i=0; i<7; i++ )
|
|
{
|
|
outLogic[i] = 0L;
|
|
oldOut[i] = false;
|
|
}
|
|
|
|
TQStringList pins = TQStringList::split( ',', "A,B,C,D,,lt,rb,en,d,e,f,g,,a,b,c", true );
|
|
initDIPSymbol( pins, 48 );
|
|
initDIP(pins);
|
|
|
|
ALogic = createLogicIn( ecNodeWithID("A") );
|
|
BLogic = createLogicIn( ecNodeWithID("B") );
|
|
CLogic = createLogicIn( ecNodeWithID("C") );
|
|
DLogic = createLogicIn( ecNodeWithID("D") );
|
|
ltLogic = createLogicIn( ecNodeWithID("lt") );
|
|
rbLogic = createLogicIn( ecNodeWithID("rb") );
|
|
enLogic = createLogicIn( ecNodeWithID("en") );
|
|
|
|
ALogic->setCallback( this, (CallbackPtr)(&ECBCDTo7Segment::inStateChanged) );
|
|
BLogic->setCallback( this, (CallbackPtr)(&ECBCDTo7Segment::inStateChanged) );
|
|
CLogic->setCallback( this, (CallbackPtr)(&ECBCDTo7Segment::inStateChanged) );
|
|
DLogic->setCallback( this, (CallbackPtr)(&ECBCDTo7Segment::inStateChanged) );
|
|
ltLogic->setCallback( this, (CallbackPtr)(&ECBCDTo7Segment::inStateChanged) );
|
|
rbLogic->setCallback( this, (CallbackPtr)(&ECBCDTo7Segment::inStateChanged) );
|
|
enLogic->setCallback( this, (CallbackPtr)(&ECBCDTo7Segment::inStateChanged) );
|
|
|
|
for ( uint i=0; i<7; ++i )
|
|
{
|
|
outLogic[i] = createLogicOut( ecNodeWithID( TQChar('a'+i) ), false );
|
|
outLogic[i]->setCallback( this, (CallbackPtr)(&ECBCDTo7Segment::inStateChanged) );
|
|
}
|
|
inStateChanged(false);
|
|
}
|
|
|
|
ECBCDTo7Segment::~ECBCDTo7Segment()
|
|
{
|
|
}
|
|
|
|
void ECBCDTo7Segment::inStateChanged(bool)
|
|
{
|
|
bool A = ALogic->isHigh();
|
|
bool B = BLogic->isHigh();
|
|
bool C = CLogic->isHigh();
|
|
bool D = DLogic->isHigh();
|
|
bool lt = ltLogic->isHigh(); // Lamp test
|
|
bool rb = rbLogic->isHigh(); // Ripple Blank
|
|
bool en = enLogic->isHigh(); // Enable (store)
|
|
|
|
int n = A + 2*B + 4*C + 8*D;
|
|
// if ( n > 9 ) n = 0;
|
|
|
|
bool out[7];
|
|
|
|
if (lt) // Lamp test
|
|
{
|
|
if (rb) // Ripple blanking
|
|
{
|
|
if (en) // Enable (store)
|
|
{
|
|
for ( int i=0; i<7; i++ )
|
|
{
|
|
out[i] = oldOut[i];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for ( int i=0; i<7; i++ )
|
|
{
|
|
out[i] = numbers[n][i];
|
|
oldOut[i] = out[i];
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for ( int i=0; i<7; i++ )
|
|
{
|
|
out[i] = false;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for ( int i=0; i<7; i++ )
|
|
{
|
|
out[i] = true;
|
|
}
|
|
}
|
|
|
|
for ( int i=0; i<7; i++ )
|
|
{
|
|
outLogic[i]->setHigh( out[i] );
|
|
}
|
|
}
|