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/****************************************************************************
**
** Copyright (C) 2012 Denis Shienkov <scapig@yandex.ru>
** Copyright (C) 2012 Laszlo Papp <lpapp@kde.org>
** Contact: http://www.qt-project.org/
**
** This file is part of the QtSerialPort module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef SERIALPORT_UNIX_P_H
#define SERIALPORT_UNIX_P_H
#include "serialport_p.h"
#include <termios.h>
#ifdef Q_OS_LINUX
# include <linux/serial.h>
#endif
class QSocketNotifier;
QT_BEGIN_NAMESPACE_SERIALPORT
class SerialPortPrivate : public SerialPortPrivateData
{
public:
SerialPortPrivate(SerialPort *q);
bool open(QIODevice::OpenMode mode);
void close();
SerialPort::Lines lines() const;
bool setDtr(bool set);
bool setRts(bool set);
bool flush();
bool clear(SerialPort::Directions dir);
bool sendBreak(int duration);
bool setBreak(bool set);
qint64 bytesAvailable() const;
qint64 bytesToWrite() const;
qint64 readFromBuffer(char *data, qint64 maxSize);
qint64 writeToBuffer(const char *data, qint64 maxSize);
bool waitForReadyRead(int msecs);
bool waitForBytesWritten(int msecs);
bool setRate(qint32 rate, SerialPort::Directions dir);
bool setDataBits(SerialPort::DataBits dataBits);
bool setParity(SerialPort::Parity parity);
bool setStopBits(SerialPort::StopBits stopBits);
bool setFlowControl(SerialPort::FlowControl flow);
bool setDataErrorPolicy(SerialPort::DataErrorPolicy policy);
bool readNotification();
bool writeNotification(int maxSize = INT_MAX);
bool exceptionNotification();
static QString portNameToSystemLocation(const QString &port);
static QString portNameFromSystemLocation(const QString &location);
static qint32 rateFromSetting(qint32 setting);
static qint32 settingFromRate(qint32 rate);
static QList<qint32> standardRates();
struct termios currentTermios;
struct termios restoredTermios;
#ifdef Q_OS_LINUX
struct serial_struct currentSerialInfo;
struct serial_struct restoredSerialInfo;
#endif
int descriptor;
bool isCustomRateSupported;
QSocketNotifier *readNotifier;
QSocketNotifier *writeNotifier;
QSocketNotifier *exceptionNotifier;
bool readPortNotifierCalled;
bool readPortNotifierState;
bool readPortNotifierStateSet;
bool emittedReadyRead;
bool emittedBytesWritten;
private:
bool updateTermios();
void detectDefaultSettings();
SerialPort::PortError decodeSystemError() const;
bool isReadNotificationEnabled() const;
void setReadNotificationEnabled(bool enable);
bool isWriteNotificationEnabled() const;
void setWriteNotificationEnabled(bool enable);
bool isExceptionNotificationEnabled() const;
void setExceptionNotificationEnabled(bool enable);
bool waitForReadOrWrite(bool *selectForRead, bool *selectForWrite,
bool checkRead, bool checkWrite,
int msecs, bool *timedOut);
qint64 readFromPort(char *data, qint64 maxSize);
qint64 writeToPort(const char *data, qint64 maxSize);
#ifndef CMSPAR
qint64 writePerChar(const char *data, qint64 maxSize);
#endif
qint64 readPerChar(char *data, qint64 maxSize);
};
QT_END_NAMESPACE_SERIALPORT
#endif // SERIALPORT_UNIX_P_H
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