1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/****************************************************************************
**
** 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_WIN_P_H
#define QSERIALPORT_WIN_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qserialport_p.h"
#include <QtCore/qhash.h>
#include <qt_windows.h>
QT_BEGIN_NAMESPACE
class QWinEventNotifier;
class QTimer;
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 msec);
bool waitForBytesWritten(int msec);
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);
void handleLineStatusErrors();
QSerialPort::SerialPortError decodeSystemError() const;
bool _q_completeAsyncCommunication();
bool _q_completeAsyncRead();
bool _q_completeAsyncWrite();
bool startAsyncCommunication();
bool startAsyncRead();
bool startAsyncWrite();
bool emulateErrorPolicy();
void emitReadyRead();
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();
DCB currentDcb;
DCB restoredDcb;
COMMTIMEOUTS currentCommTimeouts;
COMMTIMEOUTS restoredCommTimeouts;
HANDLE handle;
bool parityErrorOccurred;
QByteArray readChunkBuffer;
bool readyReadEmitted;
bool writeStarted;
QWinEventNotifier *communicationNotifier;
QWinEventNotifier *readCompletionNotifier;
QWinEventNotifier *writeCompletionNotifier;
QTimer *startAsyncWriteTimer;
OVERLAPPED communicationOverlapped;
OVERLAPPED readCompletionOverlapped;
OVERLAPPED writeCompletionOverlapped;
DWORD originalEventMask;
DWORD triggeredEventMask;
private:
bool initialize(QIODevice::OpenMode mode);
bool updateDcb();
bool updateCommTimeouts();
qint64 handleOverlappedResult(int direction, OVERLAPPED &overlapped);
bool waitAnyEvent(int msecs, bool *timedOut, HANDLE *triggeredEvent);
};
QT_END_NAMESPACE
#endif // QSERIALPORT_WIN_P_H
|
