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162 lines
5.2 KiB
162 lines
5.2 KiB
/**************************************************************************** |
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** |
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** Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com> |
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** Copyright (C) 2012 Laszlo Papp <lpapp@kde.org> |
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** Contact: http://www.qt-project.org/legal |
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** |
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** This file is part of the QtSerialPort module of the Qt Toolkit. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** Commercial License Usage |
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** Licensees holding valid commercial Qt licenses may use this file in |
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** accordance with the commercial license agreement provided with the |
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** Software or, alternatively, in accordance with the terms contained in |
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** a written agreement between you and Digia. For licensing terms and |
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** conditions see http://qt.digia.com/licensing. For further information |
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** use the contact form at http://qt.digia.com/contact-us. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Digia gives you certain additional |
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** rights. These rights are described in the Digia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** GNU General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU |
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** General Public License version 3.0 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.GPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU General Public License version 3.0 requirements will be |
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** met: http://www.gnu.org/copyleft/gpl.html. |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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#ifndef QSERIALPORT_WIN_P_H |
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#define QSERIALPORT_WIN_P_H |
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#include "qserialport_p.h" |
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#include <qt_windows.h> |
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#ifndef Q_OS_WINCE |
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#include <QtCore/qhash.h> |
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QT_BEGIN_NAMESPACE |
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class QWinEventNotifier; |
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#else |
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#include <QtCore/qmutex.h> |
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QT_BEGIN_NAMESPACE |
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class QThread; |
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#endif |
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#ifndef Q_OS_WINCE |
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class AbstractOverlappedEventNotifier; |
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#endif |
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class QSerialPortPrivate : public QSerialPortPrivateData |
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{ |
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public: |
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QSerialPortPrivate(QSerialPort *q); |
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bool open(QIODevice::OpenMode mode); |
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void close(); |
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QSerialPort::PinoutSignals pinoutSignals() const; |
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bool setDataTerminalReady(bool set); |
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bool setRequestToSend(bool set); |
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bool flush(); |
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bool clear(QSerialPort::Directions dir); |
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bool sendBreak(int duration); |
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bool setBreakEnabled(bool set); |
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qint64 systemInputQueueSize () const; |
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qint64 systemOutputQueueSize () const; |
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qint64 bytesAvailable() const; |
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qint64 readFromBuffer(char *data, qint64 maxSize); |
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qint64 writeToBuffer(const char *data, qint64 maxSize); |
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bool waitForReadyRead(int msec); |
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bool waitForBytesWritten(int msec); |
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bool setBaudRate(qint32 baudRate, QSerialPort::Directions dir); |
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bool setDataBits(QSerialPort::DataBits dataBits); |
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bool setParity(QSerialPort::Parity parity); |
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bool setStopBits(QSerialPort::StopBits stopBits); |
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bool setFlowControl(QSerialPort::FlowControl flowControl); |
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bool setDataErrorPolicy(QSerialPort::DataErrorPolicy policy); |
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bool processIoErrors(bool error); |
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#ifndef Q_OS_WINCE |
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bool startAsyncRead(); |
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bool startAsyncWrite(int maxSize = INT_MAX); |
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bool completeAsyncRead(DWORD numberOfBytes); |
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bool completeAsyncWrite(DWORD numberOfBytes); |
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AbstractOverlappedEventNotifier *lookupFreeWriteCompletionNotifier(); |
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AbstractOverlappedEventNotifier *lookupCommEventNotifier(); |
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AbstractOverlappedEventNotifier *lookupReadCompletionNotifier(); |
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#else |
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bool notifyRead(); |
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bool notifyWrite(int maxSize = INT_MAX); |
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#endif |
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static QString portNameToSystemLocation(const QString &port); |
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static QString portNameFromSystemLocation(const QString &location); |
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static qint32 baudRateFromSetting(qint32 setting); |
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static qint32 settingFromBaudRate(qint32 baudRate); |
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static QList<qint32> standardBaudRates(); |
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DCB currentDcb; |
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DCB restoredDcb; |
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COMMTIMEOUTS currentCommTimeouts; |
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COMMTIMEOUTS restoredCommTimeouts; |
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HANDLE descriptor; |
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bool parityErrorOccurred; |
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#ifndef Q_OS_WINCE |
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QHash<HANDLE, AbstractOverlappedEventNotifier *> notifiers; |
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qint64 actualReadBufferSize; |
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qint64 actualWriteBufferSize; |
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qint64 acyncWritePosition; |
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bool readyReadEmitted; |
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bool writeSequenceStarted; |
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#else |
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QThread *eventNotifier; |
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QMutex settingsChangeMutex; |
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#endif |
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private: |
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bool updateDcb(); |
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bool updateCommTimeouts(); |
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void detectDefaultSettings(); |
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QSerialPort::SerialPortError decodeSystemError() const; |
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#ifndef Q_OS_WINCE |
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bool waitAnyEvent(int msecs, bool *timedOut, |
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AbstractOverlappedEventNotifier **triggeredNotifier); |
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#else |
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bool waitForReadOrWrite(bool *selectForRead, bool *selectForWrite, |
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bool checkRead, bool checkWrite, |
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int msecs, bool *timedOut); |
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#endif |
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}; |
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QT_END_NAMESPACE |
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#endif // QSERIALPORT_WIN_P_H
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