| 1 |
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| 2 | #ifndef _QEXTSERIALBASE_H_
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| 3 | #define _QEXTSERIALBASE_H_
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| 4 |
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| 5 | #include <QIODevice>
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| 6 | #include <QFile>
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| 7 |
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| 8 | #ifdef QT_THREAD_SUPPORT
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| 9 | #include <QThread>
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| 10 | #include <QMutex>
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| 11 | #endif
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| 12 |
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| 13 | /*if all warning messages are turned off, flag portability warnings to be turned off as well*/
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| 14 | #ifdef _TTY_NOWARN_
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| 15 | #define _TTY_NOWARN_PORT_
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| 16 | #endif
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| 17 |
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| 18 | /*macros for thread support*/
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| 19 | #ifdef QT_THREAD_SUPPORT
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| 20 | #define LOCK_MUTEX() mutex->lock()
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| 21 | #define UNLOCK_MUTEX() mutex->unlock()
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| 22 | #else
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| 23 | #define LOCK_MUTEX()
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| 24 | #define UNLOCK_MUTEX()
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| 25 | #endif
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| 26 |
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| 27 | /*macros for warning messages*/
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| 28 | #ifdef _TTY_NOWARN_PORT_
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| 29 | #define TTY_PORTABILITY_WARNING(s)
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| 30 | #else
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| 31 | #define TTY_PORTABILITY_WARNING(s) qWarning(s)
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| 32 | #endif
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| 33 | #ifdef _TTY_NOWARN_
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| 34 | #define TTY_WARNING(s)
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| 35 | #else
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| 36 | #define TTY_WARNING(s) qWarning(s)
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| 37 | #endif
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| 38 |
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| 39 |
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| 40 | /*line status constants*/
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| 41 | #define LS_CTS 0x01
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| 42 | #define LS_DSR 0x02
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| 43 | #define LS_DCD 0x04
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| 44 | #define LS_RI 0x08
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| 45 | #define LS_RTS 0x10
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| 46 | #define LS_DTR 0x20
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| 47 | #define LS_ST 0x40
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| 48 | #define LS_SR 0x80
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| 49 |
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| 50 | /*error constants*/
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| 51 | #define E_NO_ERROR 0
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| 52 | #define E_INVALID_FD 1
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| 53 | #define E_NO_MEMORY 2
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| 54 | #define E_CAUGHT_NON_BLOCKED_SIGNAL 3
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| 55 | #define E_PORT_TIMEOUT 4
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| 56 | #define E_INVALID_DEVICE 5
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| 57 | #define E_BREAK_CONDITION 6
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| 58 | #define E_FRAMING_ERROR 7
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| 59 | #define E_IO_ERROR 8
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| 60 | #define E_BUFFER_OVERRUN 9
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| 61 | #define E_RECEIVE_OVERFLOW 10
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| 62 | #define E_RECEIVE_PARITY_ERROR 11
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| 63 | #define E_TRANSMIT_OVERFLOW 12
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| 64 | #define E_READ_FAILED 13
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| 65 | #define E_WRITE_FAILED 14
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| 66 |
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| 67 | /*enums for port settings*/
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| 68 | enum NamingConvention {
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| 69 | WIN_NAMES,
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| 70 | IRIX_NAMES,
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| 71 | HPUX_NAMES,
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| 72 | SUN_NAMES,
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| 73 | DIGITAL_NAMES,
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| 74 | FREEBSD_NAMES,
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| 75 | LINUX_NAMES
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| 76 | };
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| 77 |
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| 78 | enum BaudRateType {
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| 79 | BAUD50, //POSIX ONLY
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| 80 | BAUD75, //POSIX ONLY
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| 81 | BAUD110,
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| 82 | BAUD134, //POSIX ONLY
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| 83 | BAUD150, //POSIX ONLY
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| 84 | BAUD200, //POSIX ONLY
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| 85 | BAUD300,
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| 86 | BAUD600,
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| 87 | BAUD1200,
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| 88 | BAUD1800, //POSIX ONLY
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| 89 | BAUD2400,
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| 90 | BAUD4800,
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| 91 | BAUD9600,
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| 92 | BAUD14400, //WINDOWS ONLY
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| 93 | BAUD19200,
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| 94 | BAUD38400,
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| 95 | BAUD56000, //WINDOWS ONLY
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| 96 | BAUD57600,
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| 97 | BAUD76800, //POSIX ONLY
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| 98 | BAUD115200,
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| 99 | BAUD128000, //WINDOWS ONLY
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| 100 | BAUD256000 //WINDOWS ONLY
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| 101 | };
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| 102 |
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| 103 | enum DataBitsType {
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| 104 | DATA_5,
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| 105 | DATA_6,
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| 106 | DATA_7,
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| 107 | DATA_8
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| 108 | };
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| 109 |
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| 110 | enum ParityType {
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| 111 | PAR_NONE,
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| 112 | PAR_ODD,
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| 113 | PAR_EVEN,
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| 114 | PAR_MARK, //WINDOWS ONLY
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| 115 | PAR_SPACE
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| 116 | };
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| 117 |
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| 118 | enum StopBitsType {
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| 119 | STOP_1,
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| 120 | STOP_1_5, //WINDOWS ONLY
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| 121 | STOP_2
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| 122 | };
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| 123 |
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| 124 | enum FlowType {
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| 125 | FLOW_OFF,
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| 126 | FLOW_HARDWARE,
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| 127 | FLOW_XONXOFF
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| 128 | };
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| 129 |
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| 130 | /*structure to contain port settings*/
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| 131 | struct PortSettings {
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| 132 | BaudRateType BaudRate;
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| 133 | DataBitsType DataBits;
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| 134 | ParityType Parity;
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| 135 | StopBitsType StopBits;
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| 136 | FlowType FlowControl;
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| 137 | ulong Timeout_Sec;
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| 138 | ulong Timeout_Millisec;
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| 139 | };
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| 140 |
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| 141 | class QextSerialBase : public QIODevice {
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| 142 | public:
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| 143 | QextSerialBase();
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| 144 | QextSerialBase(const QString & name);
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| 145 | virtual ~QextSerialBase();
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| 146 | virtual void construct();
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| 147 | virtual void setPortName(const QString & name);
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| 148 | virtual QString portName() const;
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| 149 |
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| 150 | virtual void setBaudRate(BaudRateType)=0;
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| 151 | virtual BaudRateType baudRate() const;
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| 152 | virtual void setDataBits(DataBitsType)=0;
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| 153 | virtual DataBitsType dataBits() const;
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| 154 | virtual void setParity(ParityType)=0;
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| 155 | virtual ParityType parity() const;
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| 156 | virtual void setStopBits(StopBitsType)=0;
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| 157 | virtual StopBitsType stopBits() const;
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| 158 | virtual void setFlowControl(FlowType)=0;
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| 159 | virtual FlowType flowControl() const;
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| 160 | virtual void setTimeout(ulong, ulong)=0;
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| 161 |
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| 162 | virtual bool open(OpenMode mode=0)=0;
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| 163 | virtual bool isSequential() const;
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| 164 | virtual void close()=0;
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| 165 | virtual void flush()=0;
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| 166 |
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| 167 | virtual qint64 size() const=0;
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| 168 | virtual qint64 bytesAvailable()=0;
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| 169 | virtual bool atEnd() const;
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| 170 |
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| 171 | virtual void ungetChar(char c)=0;
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| 172 | virtual qint64 readLine(char * data, qint64 maxSize);
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| 173 |
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| 174 | virtual ulong lastError() const;
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| 175 | virtual void translateError(ulong error)=0;
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| 176 |
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| 177 | virtual void setDtr(bool set=true)=0;
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| 178 | virtual void setRts(bool set=true)=0;
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| 179 | virtual ulong lineStatus()=0;
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| 180 |
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| 181 | protected:
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| 182 | QString port;
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| 183 | PortSettings Settings;
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| 184 | ulong lastErr;
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| 185 |
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| 186 | #ifdef QT_THREAD_SUPPORT
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| 187 | static QMutex* mutex;
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| 188 | static ulong refCount;
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| 189 | #endif
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| 190 |
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| 191 | virtual qint64 readData(char * data, qint64 maxSize)=0;
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| 192 | virtual qint64 writeData(const char * data, qint64 maxSize)=0;
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| 193 |
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| 194 | };
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| 195 |
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| 196 | #endif
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