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/***************************************************************************
* Copyright (C) 2005 Nicolas Hadacek <hadacek@kde.org> *
* Copyright (C) 2003-2004 Alain Gibaud <alain.gibaud@free.fr> *
* Copyright (C) 2002-2003 Stephen Landamore <stephen@landamore.com> *
* *
* 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. *
***************************************************************************/
#ifndef PARALLEL_H
#define PARALLEL_H
#include "port_base.h"
#if defined(Q_OS_WIN)
# undef ERROR
#endif
namespace Port
{
class Parallel : public Base
{
public:
Parallel(const TQString &device, Log::Base &base);
virtual ~Parallel() { close(); }
virtual Description description() const { return Description(PortType::Parallel, _device); }
static IODirs probe(const TQString &device);
static const TQStringList &probedDeviceList();
static bool isAvailable();
enum Pin { DS = 0, D0, D1, D2, D3, D4, D5, D6, D7, ACK, BUSY, PAPER, SELin,
LF, ERROR, PRIME, SELout, P18, P19, P20, P21, P22, P23, P24, P25,
Nb_Pins };
enum RequestType { Control = 0, Status, Data, Nb_RequestTypes };
struct PPinData {
RequestType rType;
uchar mask;
IODir dir;
const char *label;
};
static const PPinData PIN_DATA[Nb_Pins];
virtual bool setPinOn(uint pin, bool on, LogicType type);
virtual bool readPin(uint pin, LogicType type, bool &value);
virtual TQValueVector<PinData> pinData(IODir dir) const;
virtual bool isGroundPin(uint pin) const;
virtual uint groundPin() const { return P25; }
virtual IODir ioDir(uint pin) const;
private:
int _fd;
TQString _device;
struct RequestData {
int read, write;
};
static const RequestData REQUEST_DATA[Nb_RequestTypes];
uchar _images[Nb_RequestTypes];
static TQStringList *_list;
static TQStringList deviceList();
virtual bool internalOpen();
virtual void internalClose();
virtual void setSystemError(const TQString &message);
};
} // namespace
#endif
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