Provided by: libserial-doc_0.6.0~rc1-0ubuntu4_all bug

NAME

       SerialPort -

SYNOPSIS

       #include <SerialPort.h>

   Classes
       class AlreadyOpen
       class NotOpen
       class OpenFailed
       class ReadTimeout
       class UnsupportedBaudRate

   Public Types
       enum BaudRate { BAUD_50 = B50, BAUD_75 = B75, BAUD_110 = B110, BAUD_134 = B134, BAUD_150 =
           B150, BAUD_200 = B200, BAUD_300 = B300, BAUD_600 = B600, BAUD_1200 = B1200, BAUD_1800
           = B1800, BAUD_2400 = B2400, BAUD_4800 = B4800, BAUD_9600 = B9600, BAUD_19200 = B19200,
           BAUD_38400 = B38400, BAUD_57600 = B57600, BAUD_115200 = B115200, BAUD_230400 =
           B230400, BAUD_DEFAULT = BAUD_57600 }
           The allowed set of baud rates.
       enum CharacterSize { CHAR_SIZE_5 = CS5, CHAR_SIZE_6 = CS6, CHAR_SIZE_7 = CS7, CHAR_SIZE_8
           = CS8, CHAR_SIZE_DEFAULT = CHAR_SIZE_8 }
       enum StopBits { STOP_BITS_1, STOP_BITS_2, STOP_BITS_DEFAULT = STOP_BITS_1 }
       enum Parity { PARITY_EVEN, PARITY_ODD, PARITY_NONE, PARITY_DEFAULT = PARITY_NONE }
       enum FlowControl { FLOW_CONTROL_HARD, FLOW_CONTROL_SOFT, FLOW_CONTROL_NONE,
           FLOW_CONTROL_DEFAULT = FLOW_CONTROL_NONE }
       typedef std::vector< unsigned
           char > DataBuffer"
           Read the specified number of bytes from the serial port.

   Public Member Functions
       SerialPort (const std::string &serialPortName)
           Constructor for a serial port.
       virtual ~SerialPort ()  throw ()
           Destructor.
       void Open (const BaudRate baudRate=BAUD_DEFAULT, const CharacterSize
           charSize=CHAR_SIZE_DEFAULT, const Parity parityType=PARITY_DEFAULT, const StopBits
           stopBits=STOP_BITS_DEFAULT, const FlowControl flowControl=FLOW_CONTROL_DEFAULT)  throw
           ( AlreadyOpen,               OpenFailed,               UnsupportedBaudRate,
           std::invalid_argument )
           Open the serial port with the specified settings.
       bool IsOpen () const
           Check if the serial port is open for I/O.
       void Close ()  throw (NotOpen)
           Close the serial port.
       void SetBaudRate (const BaudRate baudRate)  throw ( UnsupportedBaudRate,
           NotOpen,               std::invalid_argument )
           Set the baud rate for the serial port to the specified value (baudRate).
       BaudRate GetBaudRate () const   throw ( NotOpen,               std::runtime_error )
           Get the current baud rate for the serial port.
       void SetCharSize (const CharacterSize charSize)  throw ( NotOpen,
           std::invalid_argument )
           Set the character size for the serial port.
       CharacterSize GetCharSize () const   throw (NotOpen)
           Get the current character size for the serial port.
       void SetParity (const Parity parityType)  throw ( NotOpen,
           std::invalid_argument )
           Set the parity type for the serial port.
       Parity GetParity () const   throw (NotOpen)
           Get the parity type for the serial port.
       void SetNumOfStopBits (const StopBits numOfStopBits)  throw ( NotOpen,
           std::invalid_argument )
           Set the number of stop bits to be used with the serial port.
       StopBits GetNumOfStopBits () const   throw (NotOpen)
           Get the number of stop bits currently being used by the serial port.
       void SetFlowControl (const FlowControl flowControl)  throw ( NotOpen,
           std::invalid_argument )
           Set flow control.
       FlowControl GetFlowControl () const   throw ( NotOpen )
           Get the current flow control setting.
       bool IsDataAvailable () const   throw (NotOpen)
           Check if data is available at the input of the serial port.
       unsigned char ReadByte (const unsigned int msTimeout=0)  throw ( NotOpen,
           ReadTimeout,               std::runtime_error )
           Read a single byte from the serial port.
       void Read (DataBuffer &dataBuffer, const unsigned int numOfBytes=0, const unsigned int
           msTimeout=0)  throw ( NotOpen,               ReadTimeout,
           std::runtime_error )
       const std::string ReadLine (const unsigned int msTimeout=0, const char lineTerminator= '0)
           throw ( NotOpen,               ReadTimeout,               std::runtime_error )
           Read a line of characters from the serial port.
       void WriteByte (const unsigned char dataByte)  throw ( NotOpen,
           std::runtime_error )
           Send a single byte to the serial port.
       void Write (const DataBuffer &dataBuffer)  throw ( NotOpen,
           std::runtime_error )
           Write the data from the specified vector to the serial port.
       void Write (const std::string &dataString)  throw ( NotOpen,
           std::runtime_error )
           Write a string to the serial port.
       void SetDtr (const bool dtrState=true)  throw ( NotOpen,               std::runtime_error
           )
           Set the DTR line to the specified value.
       bool GetDtr () const   throw ( NotOpen,               std::runtime_error )
           Get the status of the DTR line.
       void SetRts (const bool rtsState=true)  throw ( NotOpen,               std::runtime_error
           )
           Set the RTS line to the specified value.
       bool GetRts () const   throw ( NotOpen,               std::runtime_error )
           Get the status of the RTS line.
       bool GetCts () const   throw ( NotOpen,               std::runtime_error )
       bool GetDsr () const   throw ( NotOpen,               std::runtime_error )

   Private Member Functions
       SerialPort (const SerialPort &otherSerialPort)
           Prevent copying of objects of this class by declaring the copy constructor private.
       SerialPort & operator= (const SerialPort &otherSerialPort)
           Prevent copying of objects of this class by declaring the assignment operator private.

   Private Attributes
       SerialPortImpl * mSerialPortImpl
           Pointer to implementation class instance.

Detailed Description

       Note:
           This class attaches a handler to the SIGIO signal to detect the data arriving at a
           serial port. However, this signal handler will also call any signal handler that is
           already attached to this signal. However, if other parts of the application attach a
           signal handler to SIGIO after constructing an instance of SIGIO, they must ensure that
           they call the existing signal handler. Otherwise, it may not be possible to receive
           any data through the serial port using this class.

       :FIXME: Provide examples of the above potential problem.

       Todo
           The current implementation does not check if another process has locked the serial
           port device and does not lock the serial port device after opening it. This has been
           observed to cause problems while using this library while other programs such as
           minicom are also accessing the same device. It will be useful to lock the serial port
           device when it is being used by this class.

       Definition at line 50 of file SerialPort.h.

Member Typedef Documentation

   typedef std::vector<unsigned char> SerialPort::DataBuffer
       Read the specified number of bytes from the serial port. The method will timeout if no
       data is received in the specified number of milliseconds (msTimeout). If msTimeout is 0,
       then this method will block till all requested bytes are received. If numOfBytes is zero,
       then this method will keep reading data till no more data is available at the serial port.
       In all cases, all read data is available in dataBuffer on return from this method.

       Definition at line 359 of file SerialPort.h.

Member Enumeration Documentation

   enum SerialPort::BaudRate
       The allowed set of baud rates.

       Enumerator

       BAUD_50

       BAUD_75

       BAUD_110

       BAUD_134

       BAUD_150

       BAUD_200

       BAUD_300

       BAUD_600

       BAUD_1200

       BAUD_1800

       BAUD_2400

       BAUD_4800

       BAUD_9600

       BAUD_19200

       BAUD_38400

       BAUD_57600

       BAUD_115200

       BAUD_230400

       BAUD_DEFAULT

       Definition at line 56 of file SerialPort.h.

   enum SerialPort::CharacterSize
       Enumerator

       CHAR_SIZE_5
              5 bit characters.

       CHAR_SIZE_6
              6 bit characters.

       CHAR_SIZE_7
              7 bit characters.

       CHAR_SIZE_8
              8 bit characters.

       CHAR_SIZE_DEFAULT

       Definition at line 85 of file SerialPort.h.

   enum SerialPort::FlowControl
       Enumerator

       FLOW_CONTROL_HARD

       FLOW_CONTROL_SOFT

       FLOW_CONTROL_NONE

       FLOW_CONTROL_DEFAULT

       Definition at line 106 of file SerialPort.h.

   enum SerialPort::Parity
       Enumerator

       PARITY_EVEN
              Even parity.

       PARITY_ODD
              Odd parity.

       PARITY_NONE
              No parity i.e. parity checking disabled.

       PARITY_DEFAULT

       Definition at line 99 of file SerialPort.h.

   enum SerialPort::StopBits
       Enumerator

       STOP_BITS_1

       STOP_BITS_2
              1 stop bit.

       STOP_BITS_DEFAULT
              2 stop bits.

       Definition at line 93 of file SerialPort.h.

Constructor & Destructor Documentation

   SerialPort::SerialPort (const std::string &serialPortName) [explicit]
       Constructor for a serial port.

   virtual SerialPort::~SerialPort () [virtual]
       Destructor.

   SerialPort::SerialPort (const SerialPort &otherSerialPort) [private]
       Prevent copying of objects of this class by declaring the copy constructor private. This
       method is never defined.

Member Function Documentation

   void SerialPort::Close ()NotOpen
       Close the serial port. All settings of the serial port will be lost and no more I/O can be
       performed on the serial port.

       Exceptions:
           NotOpen Thrown if this method is called while the serial port is not open.

   BaudRate SerialPort::GetBaudRate () const NotOpen,std::runtime_error
       Get the current baud rate for the serial port.

       Exceptions:
           NotOpen Thrown if this method is called while the serial port is not open.

   CharacterSize SerialPort::GetCharSize () constNotOpen
       Get the current character size for the serial port.

       Exceptions:
           NotOpen Thrown if this method is called while the serial port is not open.

   bool SerialPort::GetCts () const NotOpen,std::runtime_error
   bool SerialPort::GetDsr () const NotOpen,std::runtime_error
   bool SerialPort::GetDtr () const NotOpen,std::runtime_error
       Get the status of the DTR line.

   FlowControl SerialPort::GetFlowControl () constNotOpen
       Get the current flow control setting.

       Exceptions:
           NotOpen Thrown if this method is called while the serial port is not open.

   StopBits SerialPort::GetNumOfStopBits () constNotOpen
       Get the number of stop bits currently being used by the serial port.

       Exceptions:
           NotOpen Thrown if this method is called while the serial port is not open.

   Parity SerialPort::GetParity () constNotOpen
       Get the parity type for the serial port.

       Exceptions:
           NotOpen Thrown if this method is called while the serial port is not open.

   bool SerialPort::GetRts () const NotOpen,std::runtime_error
       Get the status of the RTS line.

   bool SerialPort::IsDataAvailable () constNotOpen
       Check if data is available at the input of the serial port.

       Exceptions:
           NotOpen Thrown if this method is called while the serial port is not open.

   bool SerialPort::IsOpen () const
       Check if the serial port is open for I/O.

   void SerialPort::Open (const BaudRatebaudRate = BAUD_DEFAULT, const CharacterSizecharSize =
       CHAR_SIZE_DEFAULT, const ParityparityType = PARITY_DEFAULT, const StopBitsstopBits =
       STOP_BITS_DEFAULT, const FlowControlflowControl = FLOW_CONTROL_DEFAULT) AlreadyOpen,
       OpenFailed,               UnsupportedBaudRate,std::invalid_argument
       Open the serial port with the specified settings. A serial port cannot be used till it is
       open.

       Exceptions:
           AlreadyOpen This exception is thrown if the serial port is already open.
           OpenFailed This exception is thrown if the serial port could not be opened.
           std::invalid_argument This exception is thrown if an invalid parameter value is
           specified.

   SerialPort& SerialPort::operator= (const SerialPort &otherSerialPort) [private]
       Prevent copying of objects of this class by declaring the assignment operator private.
       This method is never defined.

   void SerialPort::Read (DataBuffer &dataBuffer, const unsigned intnumOfBytes = 0, const
       unsigned intmsTimeout = 0) NotOpen,               ReadTimeout,std::runtime_error
   unsigned char SerialPort::ReadByte (const unsigned intmsTimeout = 0) NotOpen,
       ReadTimeout,std::runtime_error
       Read a single byte from the serial port. If no data is available in the specified number
       of milliseconds (msTimeout), then this method will throw ReadTimeout exception. If
       msTimeout is 0, then this method will block till data is available.

   const std::string SerialPort::ReadLine (const unsigned intmsTimeout = 0, const
       charlineTerminator = '0) NotOpen,               ReadTimeout,std::runtime_error
       Read a line of characters from the serial port.

   void SerialPort::SetBaudRate (const BaudRatebaudRate) UnsupportedBaudRate,
       NotOpen,std::invalid_argument
       Set the baud rate for the serial port to the specified value (baudRate).

       Exceptions:
           NotOpen Thrown if this method is called while the serial port is not open.
           std::invalid_argument Thrown if an invalid baud rate is specified.

   void SerialPort::SetCharSize (const CharacterSizecharSize) NotOpen,std::invalid_argument
       Set the character size for the serial port.

       Exceptions:
           NotOpen Thrown if this method is called while the serial port is not open.
           std::invalid_argument Thrown if an invalid character size is specified.

   void SerialPort::SetDtr (const booldtrState = true) NotOpen,std::runtime_error
       Set the DTR line to the specified value.

   void SerialPort::SetFlowControl (const FlowControlflowControl) NotOpen,std::invalid_argument
       Set flow control.

       Exceptions:
           NotOpen Thrown if this method is called while the serial port is not open.
           std::invalid_argument Thrown if an invalid flow control is specified.

   void SerialPort::SetNumOfStopBits (const StopBitsnumOfStopBits) NotOpen,std::invalid_argument
       Set the number of stop bits to be used with the serial port.

       Exceptions:
           NotOpen Thrown if this method is called while the serial port is not open.
           std::invalid_argument Thrown if an invalid number of stop bits is specified.

   void SerialPort::SetParity (const ParityparityType) NotOpen,std::invalid_argument
       Set the parity type for the serial port.

       Exceptions:
           NotOpen Thrown if this method is called while the serial port is not open.
           std::invalid_argument Thrown if an invalid parity is specified.

   void SerialPort::SetRts (const boolrtsState = true) NotOpen,std::runtime_error
       Set the RTS line to the specified value.

   void SerialPort::Write (const DataBuffer &dataBuffer) NotOpen,std::runtime_error
       Write the data from the specified vector to the serial port.

   void SerialPort::Write (const std::string &dataString) NotOpen,std::runtime_error
       Write a string to the serial port.

   void SerialPort::WriteByte (const unsigned chardataByte) NotOpen,std::runtime_error
       Send a single byte to the serial port.

       Exceptions:
           NotOpen Thrown if this method is called while the serial port is not open.

Member Data Documentation

   SerialPortImpl* SerialPort::mSerialPortImpl [private]
       Pointer to implementation class instance.

       Definition at line 474 of file SerialPort.h.

Author

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