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/****************************************************************************
**
** Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com>
** Copyright (C) 2012 Laszlo Papp <lpapp@kde.org>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtSerialPort module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSERIALPORT_UNIX_P_H
#define QSERIALPORT_UNIX_P_H
#include "qserialport_p.h"
#include <QtCore/qlockfile.h>
#include <QtCore/qscopedpointer.h>
#include <QtCore/qfileinfo.h>
#include <QtCore/qstringlist.h>
#include <limits.h>
#include <termios.h>
#ifndef Q_OS_ANDROID
#ifdef Q_OS_LINUX
# include <linux/serial.h>
#endif
#else
struct serial_struct {
int type;
int line;
unsigned int port;
int irq;
int flags;
int xmit_fifo_size;
int custom_divisor;
int baud_base;
unsigned short close_delay;
char io_type;
char reserved_char[1];
int hub6;
unsigned short closing_wait;
unsigned short closing_wait2;
unsigned char *iomem_base;
unsigned short iomem_reg_shift;
unsigned int port_high;
unsigned long iomap_base;
};
#define ASYNC_SPD_CUST 0x0030
#define ASYNC_SPD_MASK 0x1030
#endif
QT_BEGIN_NAMESPACE
QString serialPortLockFilePath(const QString &portName);
class QSocketNotifier;
class QSerialPortPrivate : public QSerialPortPrivateData
{
Q_DECLARE_PUBLIC(QSerialPort)
public:
QSerialPortPrivate(QSerialPort *q);
bool open(QIODevice::OpenMode mode);
void close();
QSerialPort::PinoutSignals pinoutSignals();
bool setDataTerminalReady(bool set);
bool setRequestToSend(bool set);
bool flush();
bool clear(QSerialPort::Directions directions);
bool sendBreak(int duration);
bool setBreakEnabled(bool set);
void startWriting();
bool waitForReadyRead(int msecs);
bool waitForBytesWritten(int msecs);
bool setBaudRate();
bool setBaudRate(qint32 baudRate, QSerialPort::Directions directions);
bool setDataBits(QSerialPort::DataBits dataBits);
bool setParity(QSerialPort::Parity parity);
bool setStopBits(QSerialPort::StopBits stopBits);
bool setFlowControl(QSerialPort::FlowControl flowControl);
bool setDataErrorPolicy(QSerialPort::DataErrorPolicy policy);
bool readNotification();
bool startAsyncWrite();
bool completeAsyncWrite();
static QString portNameToSystemLocation(const QString &port);
static QString portNameFromSystemLocation(const QString &location);
static qint32 baudRateFromSetting(qint32 setting);
static qint32 settingFromBaudRate(qint32 baudRate);
static QList<qint32> standardBaudRates();
struct termios currentTermios;
struct termios restoredTermios;
int descriptor;
QSocketNotifier *readNotifier;
QSocketNotifier *writeNotifier;
bool readPortNotifierCalled;
bool readPortNotifierState;
bool readPortNotifierStateSet;
bool emittedReadyRead;
bool emittedBytesWritten;
qint64 pendingBytesWritten;
bool writeSequenceStarted;
QScopedPointer<QLockFile> lockFileScopedPointer;
private:
bool updateTermios();
QSerialPort::SerialPortError setBaudRate_helper(qint32 baudRate,
QSerialPort::Directions directions);
QSerialPort::SerialPortError setCustomBaudRate(qint32 baudRate,
QSerialPort::Directions directions);
QSerialPort::SerialPortError setStandardBaudRate(qint32 baudRate,
QSerialPort::Directions directions);
QSerialPort::SerialPortError decodeSystemError() const;
bool isReadNotificationEnabled() const;
void setReadNotificationEnabled(bool enable);
bool isWriteNotificationEnabled() const;
void setWriteNotificationEnabled(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
#endif // QSERIALPORT_UNIX_P_H
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