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Diffstat (limited to 'src/serialport/serialport_win_p.h')
| -rw-r--r-- | src/serialport/serialport_win_p.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/serialport/serialport_win_p.h b/src/serialport/serialport_win_p.h new file mode 100644 index 0000000..171f2cb --- /dev/null +++ b/src/serialport/serialport_win_p.h @@ -0,0 +1,163 @@ +/**************************************************************************** +** +** 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_WIN_P_H +#define SERIALPORT_WIN_P_H + +#include "serialport_p.h" + +#include <qt_windows.h> + +#ifndef Q_OS_WINCE +class QWinEventNotifier; +#else +class QThread; +#include <QtCore/qmutex.h> +#endif + +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 msec); + bool waitForBytesWritten(int msec); + + 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 flowControl); + bool setDataErrorPolicy(SerialPort::DataErrorPolicy policy); + + bool processIoErrors(); +#ifndef Q_OS_WINCE + bool startAsyncRead(); + bool startAsyncWrite(int maxSize = INT_MAX); + bool completeAsyncRead(DWORD numberOfBytes); + bool completeAsyncWrite(DWORD numberOfBytes); +#else + bool notifyRead(); + bool notifyWrite(int maxSize = INT_MAX); +#endif + + 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(); + + DCB currentDcb; + DCB restoredDcb; + COMMTIMEOUTS currentCommTimeouts; + COMMTIMEOUTS restoredCommTimeouts; + HANDLE descriptor; + bool flagErrorFromCommEvent; + DWORD eventMask; + +#ifndef Q_OS_WINCE + OVERLAPPED eventOverlapped; + OVERLAPPED readOverlapped; + OVERLAPPED writeOverlapped; + OVERLAPPED selectOverlapped; + + QWinEventNotifier *eventNotifier; + QWinEventNotifier *readCompletionNotifier; + QWinEventNotifier *writeCompletionNotifier; + + qint64 actualReadBufferSize; + qint64 actualWriteBufferSize; + bool readyReadEmitted; + bool readSequenceStarted; + bool writeSequenceStarted; +#else + QThread *eventNotifier; + QMutex settingsChangeMutex; +#endif + +private: + bool updateDcb(); + bool updateCommTimeouts(); + + void detectDefaultSettings(); + SerialPort::PortError decodeSystemError() const; + +#ifndef Q_OS_WINCE + bool waitForReadOrWrite(bool *selectForStartRead, bool *selectForStartWrite, + bool *selectForCompleteRead, bool *selectForCompleteWrite, + bool checkRead, bool checkWrite, + int msecs, bool *timedOut); +#else + bool waitForReadOrWrite(bool *selectForRead, bool *selectForWrite, + bool checkRead, bool checkWrite, + int msecs, bool *timedOut); +#endif + +}; + +QT_END_NAMESPACE_SERIALPORT + +#endif // SERIALPORT_WIN_P_H |