235 lines
6.5 KiB
C
235 lines
6.5 KiB
C
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/****************************************************************************
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** Copyright (c) 2000-2003 Wayne Roth
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** Copyright (c) 2004-2007 Stefan Sander
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** Copyright (c) 2007 Michal Policht
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** Copyright (c) 2008 Brandon Fosdick
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** Copyright (c) 2009-2010 Liam Staskawicz
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** Copyright (c) 2011 Debao Zhang
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** All right reserved.
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** Web: http://code.google.com/p/qextserialport/
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**
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** Permission is hereby granted, free of charge, to any person obtaining
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** a copy of this software and associated documentation files (the
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** "Software"), to deal in the Software without restriction, including
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** without limitation the rights to use, copy, modify, merge, publish,
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** distribute, sublicense, and/or sell copies of the Software, and to
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** permit persons to whom the Software is furnished to do so, subject to
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** the following conditions:
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**
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** The above copyright notice and this permission notice shall be
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** included in all copies or substantial portions of the Software.
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**
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** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**
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****************************************************************************/
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#ifndef _QEXTSERIALPORT_H_
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#define _QEXTSERIALPORT_H_
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#include <QtCore/QIODevice>
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#include "qextserialport_global.h"
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#ifdef Q_OS_UNIX
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#include <termios.h>
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#endif
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/*line status constants*/
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// ### QESP2.0 move to enum
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#define LS_CTS 0x01
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#define LS_DSR 0x02
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#define LS_DCD 0x04
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#define LS_RI 0x08
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#define LS_RTS 0x10
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#define LS_DTR 0x20
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#define LS_ST 0x40
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#define LS_SR 0x80
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/*error constants*/
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// ### QESP2.0 move to enum
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#define E_NO_ERROR 0
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#define E_INVALID_FD 1
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#define E_NO_MEMORY 2
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#define E_CAUGHT_NON_BLOCKED_SIGNAL 3
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#define E_PORT_TIMEOUT 4
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#define E_INVALID_DEVICE 5
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#define E_BREAK_CONDITION 6
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#define E_FRAMING_ERROR 7
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#define E_IO_ERROR 8
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#define E_BUFFER_OVERRUN 9
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#define E_RECEIVE_OVERFLOW 10
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#define E_RECEIVE_PARITY_ERROR 11
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#define E_TRANSMIT_OVERFLOW 12
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#define E_READ_FAILED 13
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#define E_WRITE_FAILED 14
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#define E_FILE_NOT_FOUND 15
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#define E_PERMISSION_DENIED 16
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#define E_AGAIN 17
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enum BaudRateType {
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#if defined(Q_OS_UNIX) || defined(qdoc)
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BAUD50 = 50, //POSIX ONLY
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BAUD75 = 75, //POSIX ONLY
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BAUD134 = 134, //POSIX ONLY
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BAUD150 = 150, //POSIX ONLY
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BAUD200 = 200, //POSIX ONLY
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BAUD1800 = 1800, //POSIX ONLY
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# if defined(B76800) || defined(qdoc)
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BAUD76800 = 76800, //POSIX ONLY
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# endif
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# if (defined(B230400) && defined(B4000000)) || defined(qdoc)
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BAUD230400 = 230400, //POSIX ONLY
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BAUD460800 = 460800, //POSIX ONLY
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BAUD500000 = 500000, //POSIX ONLY
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BAUD576000 = 576000, //POSIX ONLY
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BAUD921600 = 921600, //POSIX ONLY
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BAUD1000000 = 1000000, //POSIX ONLY
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BAUD1152000 = 1152000, //POSIX ONLY
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BAUD1500000 = 1500000, //POSIX ONLY
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BAUD2000000 = 2000000, //POSIX ONLY
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BAUD2500000 = 2500000, //POSIX ONLY
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BAUD3000000 = 3000000, //POSIX ONLY
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BAUD3500000 = 3500000, //POSIX ONLY
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BAUD4000000 = 4000000, //POSIX ONLY
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# endif
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#endif //Q_OS_UNIX
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#if defined(Q_OS_WIN) || defined(qdoc)
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BAUD14400 = 14400, //WINDOWS ONLY
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BAUD56000 = 56000, //WINDOWS ONLY
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BAUD128000 = 128000, //WINDOWS ONLY
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BAUD256000 = 256000, //WINDOWS ONLY
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#endif //Q_OS_WIN
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BAUD110 = 110,
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BAUD300 = 300,
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BAUD600 = 600,
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BAUD1200 = 1200,
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BAUD2400 = 2400,
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BAUD4800 = 4800,
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BAUD9600 = 9600,
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BAUD19200 = 19200,
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BAUD38400 = 38400,
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BAUD57600 = 57600,
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BAUD115200 = 115200
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};
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enum DataBitsType {
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DATA_5 = 5,
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DATA_6 = 6,
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DATA_7 = 7,
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DATA_8 = 8
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};
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enum ParityType {
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PAR_NONE,
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PAR_ODD,
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PAR_EVEN,
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#if defined(Q_OS_WIN) || defined(qdoc)
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PAR_MARK, //WINDOWS ONLY
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#endif
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PAR_SPACE
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};
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enum StopBitsType {
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STOP_1,
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#if defined(Q_OS_WIN) || defined(qdoc)
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STOP_1_5, //WINDOWS ONLY
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#endif
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STOP_2
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};
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enum FlowType {
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FLOW_OFF,
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FLOW_HARDWARE,
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FLOW_XONXOFF
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};
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/**
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* structure to contain port settings
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*/
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struct PortSettings {
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BaudRateType BaudRate;
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DataBitsType DataBits;
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ParityType Parity;
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StopBitsType StopBits;
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FlowType FlowControl;
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long Timeout_Millisec;
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};
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class QextSerialPortPrivate;
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class QEXTSERIALPORT_EXPORT QextSerialPort: public QIODevice
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{
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Q_OBJECT
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Q_DECLARE_PRIVATE(QextSerialPort)
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Q_ENUMS(QueryMode)
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Q_PROPERTY(QString portName READ portName WRITE setPortName)
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Q_PROPERTY(QueryMode queryMode READ queryMode WRITE setQueryMode)
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public:
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enum QueryMode {
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Polling,
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EventDriven
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};
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explicit QextSerialPort(QueryMode mode = EventDriven, QObject *parent = 0);
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explicit QextSerialPort(const QString &name, QueryMode mode = EventDriven, QObject *parent = 0);
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explicit QextSerialPort(const PortSettings &s, QueryMode mode = EventDriven, QObject *parent = 0);
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QextSerialPort(const QString &name, const PortSettings &s, QueryMode mode = EventDriven, QObject *parent = 0);
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~QextSerialPort();
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QString portName() const;
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QueryMode queryMode() const;
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BaudRateType baudRate() const;
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DataBitsType dataBits() const;
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ParityType parity() const;
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StopBitsType stopBits() const;
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FlowType flowControl() const;
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bool open(OpenMode mode);
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bool isSequential() const;
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void close();
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void flush();
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qint64 bytesAvailable() const;
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bool canReadLine() const;
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QByteArray readAll();
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ulong lastError() const;
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ulong lineStatus();
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QString errorString();
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public Q_SLOTS:
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void setPortName(const QString &name);
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void setQueryMode(QueryMode mode);
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void setBaudRate(BaudRateType);
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void setDataBits(DataBitsType);
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void setParity(ParityType);
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void setStopBits(StopBitsType);
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void setFlowControl(FlowType);
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void setTimeout(long);
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void setDtr(bool set = true);
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void setRts(bool set = true);
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Q_SIGNALS:
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void dsrChanged(bool status);
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protected:
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qint64 readData(char *data, qint64 maxSize);
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qint64 writeData(const char *data, qint64 maxSize);
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private:
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Q_DISABLE_COPY(QextSerialPort)
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#ifdef Q_OS_WIN
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Q_PRIVATE_SLOT(d_func(), void _q_onWinEvent(HANDLE))
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#endif
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Q_PRIVATE_SLOT(d_func(), void _q_canRead())
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QextSerialPortPrivate *const d_ptr;
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};
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#endif
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