diff options
Diffstat (limited to 'src/common/port/parallel.h')
-rw-r--r-- | src/common/port/parallel.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/common/port/parallel.h b/src/common/port/parallel.h new file mode 100644 index 0000000..1473db0 --- /dev/null +++ b/src/common/port/parallel.h @@ -0,0 +1,70 @@ +/*************************************************************************** + * 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 QString &device, Log::Base &base); + virtual ~Parallel() { close(); } + virtual Description description() const { return Description(PortType::Parallel, _device); } + + static IODirs probe(const QString &device); + static const QStringList &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 QValueVector<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; + QString _device; + struct RequestData { + int read, write; + }; + static const RequestData REQUEST_DATA[Nb_RequestTypes]; + uchar _images[Nb_RequestTypes]; + + static QStringList *_list; + static QStringList deviceList(); + + virtual bool internalOpen(); + virtual void internalClose(); + virtual void setSystemError(const QString &message); +}; + +} // namespace + +#endif |