hlp:荆州版本
This commit is contained in:
kite_lucs
+226
-226
@@ -1,226 +1,226 @@
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#include "qextserialbase.h"
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/*!
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\fn QextSerialBase::QextSerialBase()
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Default constructor.
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*/
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QextSerialBase::QextSerialBase()
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: QIODevice()
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{
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#ifdef _TTY_WIN_
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setPortName("COM1");
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#elif defined(_TTY_IRIX_)
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setPortName("/dev/ttyf1");
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#elif defined(_TTY_HPUX_)
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setPortName("/dev/tty1p0");
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#elif defined(_TTY_SUN_)
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setPortName("/dev/ttya");
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#elif defined(_TTY_DIGITAL_)
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setPortName("/dev/tty01");
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#elif defined(_TTY_FREEBSD_)
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setPortName("/dev/ttyd1");
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#else
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setPortName("/dev/ttyS0");
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#endif
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construct();
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}
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/*!
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\fn QextSerialBase::QextSerialBase(const QString & name)
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Construct a port and assign it to the device specified by the name parameter.
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*/
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QextSerialBase::QextSerialBase(const QString & name)
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: QIODevice()
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{
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setPortName(name);
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construct();
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}
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/*!
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\fn QextSerialBase::~QextSerialBase()
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Standard destructor.
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*/
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QextSerialBase::~QextSerialBase()
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{
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delete mutex;
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}
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/*!
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\fn void QextSerialBase::construct()
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Common constructor function for setting up default port settings.
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(115200 Baud, 8N1, Hardware flow control where supported, otherwise no flow control, and 0 ms timeout).
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*/
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void QextSerialBase::construct()
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{
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Settings.BaudRate=BAUD115200;
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Settings.DataBits=DATA_8;
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Settings.Parity=PAR_NONE;
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Settings.StopBits=STOP_1;
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Settings.FlowControl=FLOW_HARDWARE;
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Settings.Timeout_Millisec=500;
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mutex = new QMutex( QMutex::Recursive );
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setOpenMode(QIODevice::NotOpen);
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}
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void QextSerialBase::setQueryMode(QueryMode mechanism)
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{
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_queryMode = mechanism;
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}
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/*!
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\fn void QextSerialBase::setPortName(const QString & name)
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Sets the name of the device associated with the object, e.g. "COM1", or "/dev/ttyS0".
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*/
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void QextSerialBase::setPortName(const QString & name)
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{
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port = name;
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}
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/*!
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\fn QString QextSerialBase::portName() const
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Returns the name set by setPortName().
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*/
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QString QextSerialBase::portName() const
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{
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return port;
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}
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/*!
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\fn BaudRateType QextSerialBase::baudRate(void) const
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Returns the baud rate of the serial port. For a list of possible return values see
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the definition of the enum BaudRateType.
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*/
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BaudRateType QextSerialBase::baudRate(void) const
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{
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return Settings.BaudRate;
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}
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/*!
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\fn DataBitsType QextSerialBase::dataBits() const
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Returns the number of data bits used by the port. For a list of possible values returned by
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this function, see the definition of the enum DataBitsType.
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*/
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DataBitsType QextSerialBase::dataBits() const
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{
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return Settings.DataBits;
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}
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/*!
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\fn ParityType QextSerialBase::parity() const
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Returns the type of parity used by the port. For a list of possible values returned by
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this function, see the definition of the enum ParityType.
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*/
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ParityType QextSerialBase::parity() const
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{
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return Settings.Parity;
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}
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/*!
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\fn StopBitsType QextSerialBase::stopBits() const
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Returns the number of stop bits used by the port. For a list of possible return values, see
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the definition of the enum StopBitsType.
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*/
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StopBitsType QextSerialBase::stopBits() const
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{
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return Settings.StopBits;
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}
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/*!
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\fn FlowType QextSerialBase::flowControl() const
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Returns the type of flow control used by the port. For a list of possible values returned
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by this function, see the definition of the enum FlowType.
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*/
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FlowType QextSerialBase::flowControl() const
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{
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return Settings.FlowControl;
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}
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/*!
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\fn bool QextSerialBase::isSequential() const
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Returns true if device is sequential, otherwise returns false. Serial port is sequential device
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so this function always returns true. Check QIODevice::isSequential() documentation for more
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information.
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*/
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bool QextSerialBase::isSequential() const
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{
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return true;
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}
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/*!
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\fn bool QextSerialBase::atEnd() const
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This function will return true if the input buffer is empty (or on error), and false otherwise.
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Call QextSerialBase::lastError() for error information.
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*/
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bool QextSerialBase::atEnd() const
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{
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if (size()) {
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return true;
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}
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return false;
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}
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/*!
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\fn qint64 QextSerialBase::readLine(char * data, qint64 maxSize)
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This function will read a line of buffered input from the port, stopping when either maxSize bytes
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have been read, the port has no more data available, or a newline is encountered.
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The value returned is the length of the string that was read.
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*/
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qint64 QextSerialBase::readLine(char * data, qint64 maxSize)
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{
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qint64 numBytes = bytesAvailable();
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char* pData = data;
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if (maxSize < 2) //maxSize must be larger than 1
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return -1;
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/*read a byte at a time for MIN(bytesAvail, maxSize - 1) iterations, or until a newline*/
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while (pData<(data+numBytes) && --maxSize) {
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readData(pData, 1);
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if (*pData++ == '\n') {
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break;
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}
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}
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*pData='\0';
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/*return size of data read*/
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return (pData-data);
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}
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/*!
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\fn ulong QextSerialBase::lastError() const
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Returns the code for the last error encountered by the port, or E_NO_ERROR if the last port
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operation was successful. Possible error codes are:
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\verbatim
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Error Explanation
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--------------------------- -------------------------------------------------------------
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E_NO_ERROR No Error has occured
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E_INVALID_FD Invalid file descriptor (port was not opened correctly)
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E_NO_MEMORY Unable to allocate memory tables (POSIX)
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E_CAUGHT_NON_BLOCKED_SIGNAL Caught a non-blocked signal (POSIX)
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E_PORT_TIMEOUT Operation timed out (POSIX)
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E_INVALID_DEVICE The file opened by the port is not a character device (POSIX)
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E_BREAK_CONDITION The port detected a break condition
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E_FRAMING_ERROR The port detected a framing error
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(usually caused by incorrect baud rate settings)
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E_IO_ERROR There was an I/O error while communicating with the port
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E_BUFFER_OVERRUN Character buffer overrun
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E_RECEIVE_OVERFLOW Receive buffer overflow
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E_RECEIVE_PARITY_ERROR The port detected a parity error in the received data
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E_TRANSMIT_OVERFLOW Transmit buffer overflow
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E_READ_FAILED General read operation failure
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E_WRITE_FAILED General write operation failure
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\endverbatim
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*/
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ulong QextSerialBase::lastError() const
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{
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return lastErr;
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}
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#include "qextserialbase.h"
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/*!
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\fn QextSerialBase::QextSerialBase()
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Default constructor.
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*/
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QextSerialBase::QextSerialBase()
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: QIODevice()
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{
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#ifdef _TTY_WIN_
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setPortName("COM1");
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#elif defined(_TTY_IRIX_)
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setPortName("/dev/ttyf1");
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#elif defined(_TTY_HPUX_)
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setPortName("/dev/tty1p0");
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#elif defined(_TTY_SUN_)
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setPortName("/dev/ttya");
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#elif defined(_TTY_DIGITAL_)
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setPortName("/dev/tty01");
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#elif defined(_TTY_FREEBSD_)
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setPortName("/dev/ttyd1");
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#else
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setPortName("/dev/ttyS0");
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#endif
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construct();
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}
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/*!
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\fn QextSerialBase::QextSerialBase(const QString & name)
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Construct a port and assign it to the device specified by the name parameter.
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*/
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QextSerialBase::QextSerialBase(const QString & name)
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: QIODevice()
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{
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setPortName(name);
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construct();
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}
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/*!
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\fn QextSerialBase::~QextSerialBase()
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Standard destructor.
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*/
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QextSerialBase::~QextSerialBase()
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{
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delete mutex;
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}
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/*!
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\fn void QextSerialBase::construct()
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Common constructor function for setting up default port settings.
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(115200 Baud, 8N1, Hardware flow control where supported, otherwise no flow control, and 0 ms timeout).
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*/
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void QextSerialBase::construct()
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{
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Settings.BaudRate=BAUD115200;
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Settings.DataBits=DATA_8;
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Settings.Parity=PAR_NONE;
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Settings.StopBits=STOP_1;
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Settings.FlowControl=FLOW_HARDWARE;
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Settings.Timeout_Millisec=500;
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mutex = new QMutex( QMutex::Recursive );
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setOpenMode(QIODevice::NotOpen);
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}
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void QextSerialBase::setQueryMode(QueryMode mechanism)
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{
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_queryMode = mechanism;
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}
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/*!
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\fn void QextSerialBase::setPortName(const QString & name)
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Sets the name of the device associated with the object, e.g. "COM1", or "/dev/ttyS0".
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*/
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void QextSerialBase::setPortName(const QString & name)
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{
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port = name;
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}
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/*!
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\fn QString QextSerialBase::portName() const
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Returns the name set by setPortName().
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*/
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QString QextSerialBase::portName() const
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{
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return port;
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}
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/*!
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\fn BaudRateType QextSerialBase::baudRate(void) const
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Returns the baud rate of the serial port. For a list of possible return values see
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the definition of the enum BaudRateType.
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*/
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BaudRateType QextSerialBase::baudRate(void) const
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{
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return Settings.BaudRate;
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}
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/*!
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\fn DataBitsType QextSerialBase::dataBits() const
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Returns the number of data bits used by the port. For a list of possible values returned by
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this function, see the definition of the enum DataBitsType.
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*/
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DataBitsType QextSerialBase::dataBits() const
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{
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return Settings.DataBits;
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}
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/*!
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\fn ParityType QextSerialBase::parity() const
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Returns the type of parity used by the port. For a list of possible values returned by
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this function, see the definition of the enum ParityType.
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*/
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ParityType QextSerialBase::parity() const
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{
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return Settings.Parity;
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}
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/*!
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\fn StopBitsType QextSerialBase::stopBits() const
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Returns the number of stop bits used by the port. For a list of possible return values, see
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the definition of the enum StopBitsType.
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*/
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StopBitsType QextSerialBase::stopBits() const
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{
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return Settings.StopBits;
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}
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/*!
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\fn FlowType QextSerialBase::flowControl() const
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Returns the type of flow control used by the port. For a list of possible values returned
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by this function, see the definition of the enum FlowType.
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*/
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FlowType QextSerialBase::flowControl() const
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{
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return Settings.FlowControl;
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}
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/*!
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\fn bool QextSerialBase::isSequential() const
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Returns true if device is sequential, otherwise returns false. Serial port is sequential device
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so this function always returns true. Check QIODevice::isSequential() documentation for more
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information.
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*/
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bool QextSerialBase::isSequential() const
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{
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return true;
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}
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/*!
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\fn bool QextSerialBase::atEnd() const
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This function will return true if the input buffer is empty (or on error), and false otherwise.
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Call QextSerialBase::lastError() for error information.
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*/
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bool QextSerialBase::atEnd() const
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{
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if (size()) {
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return true;
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}
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return false;
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}
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/*!
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\fn qint64 QextSerialBase::readLine(char * data, qint64 maxSize)
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This function will read a line of buffered input from the port, stopping when either maxSize bytes
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have been read, the port has no more data available, or a newline is encountered.
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The value returned is the length of the string that was read.
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*/
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qint64 QextSerialBase::readLine(char * data, qint64 maxSize)
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{
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qint64 numBytes = bytesAvailable();
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char* pData = data;
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if (maxSize < 2) //maxSize must be larger than 1
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return -1;
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/*read a byte at a time for MIN(bytesAvail, maxSize - 1) iterations, or until a newline*/
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while (pData<(data+numBytes) && --maxSize) {
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readData(pData, 1);
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if (*pData++ == '\n') {
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break;
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}
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}
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*pData='\0';
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/*return size of data read*/
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return (pData-data);
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}
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/*!
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\fn ulong QextSerialBase::lastError() const
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Returns the code for the last error encountered by the port, or E_NO_ERROR if the last port
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operation was successful. Possible error codes are:
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\verbatim
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Error Explanation
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--------------------------- -------------------------------------------------------------
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E_NO_ERROR No Error has occured
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E_INVALID_FD Invalid file descriptor (port was not opened correctly)
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E_NO_MEMORY Unable to allocate memory tables (POSIX)
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E_CAUGHT_NON_BLOCKED_SIGNAL Caught a non-blocked signal (POSIX)
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E_PORT_TIMEOUT Operation timed out (POSIX)
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E_INVALID_DEVICE The file opened by the port is not a character device (POSIX)
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E_BREAK_CONDITION The port detected a break condition
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E_FRAMING_ERROR The port detected a framing error
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(usually caused by incorrect baud rate settings)
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E_IO_ERROR There was an I/O error while communicating with the port
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E_BUFFER_OVERRUN Character buffer overrun
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E_RECEIVE_OVERFLOW Receive buffer overflow
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E_RECEIVE_PARITY_ERROR The port detected a parity error in the received data
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E_TRANSMIT_OVERFLOW Transmit buffer overflow
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E_READ_FAILED General read operation failure
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E_WRITE_FAILED General write operation failure
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\endverbatim
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*/
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ulong QextSerialBase::lastError() const
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{
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return lastErr;
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}
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Block a user