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/***************************************************************************
* Copyright (C) 2004-2005 by Daniel Clarke daniel.jc@gmail.com *
* Copyright (C) 2005 by David Saxton *
* *
* 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. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef VARIABLE_H
#define VARIABLE_H
#include <qstring.h>
#include <qvaluelist.h>
class PortPin;
typedef QValueList<PortPin> PortPinList;
/**
@author Daniel Clarke
@author David Saxton
*/
class Variable
{
public:
enum VariableType
{
charType, // 8 bit file register
sevenSegmentType, // A pin configuration for a seven segment is represented by a write-only variable.
keypadType, // A pin configuration for a keypad has 4 rows and n columns (typically n = 3 or 4) - a read-only variable
invalidType
};
Variable( VariableType type, const QString & name );
Variable();
~Variable();
VariableType type() const { return m_type; }
QString name() const { return m_name; }
/**
* @returns whether the variable can be read from (e.g. the seven
* segment variable cannot).
*/
bool isReadable() const;
/**
* @returns whether the variable can be written to (e.g. the keypad
* variable cannot).
*/
bool isWritable() const;
/**
* @see portPinList
*/
void setPortPinList( const PortPinList & portPinList );
/**
* Used in seven-segments and keypads,
*/
PortPinList portPinList() const { return m_portPinList; }
protected:
VariableType m_type;
QString m_name;
PortPinList m_portPinList;
};
typedef QValueList<Variable> VariableList;
#endif
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