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/*=========================================================================
Program: Image Guided Surgery Software Toolkit
Module: $RCSfile: igstkSerialCommunicationForPosix.h,v $
Language: C++
Date: $Date: 2008-02-11 01:41:51 $
Version: $Revision: 1.14 $
Copyright (c) ISC Insight Software Consortium. All rights reserved.
See IGSTKCopyright.txt or http://www.igstk.org/copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __igstkSerialCommunicationForPosix_h
#define __igstkSerialCommunicationForPosix_h
#include "igstkSerialCommunication.h"
namespace igstk
{
/** \class SerialCommunicationForPosix
*
* \brief This class implements Posix specific methods for 32-bit
* communication over a Serial Port(RS-232 connection).
*
* \image html igstkSerialCommunicationForPosix.png
* "SerialCommunicationForPosix State Machine Diagram"
* \image latex igstkSerialCommunicationForPosix.eps
* "SerialCommunicationForPosix State Machine Diagram"
*
*
* \ingroup Communication
* \ingroup SerialCommunication
*/
class SerialCommunicationForPosix : public SerialCommunication
{
public:
/** Macro with standard traits declarations. */
igstkStandardClassTraitsMacro( SerialCommunicationForPosix, \
SerialCommunication )
public:
/** Return value type for interface functions */
typedef SerialCommunication::ResultType ResultType;
protected:
/** Constructor */
SerialCommunicationForPosix();
/** Destructor */
~SerialCommunicationForPosix();
/** Opens serial port for communication; */
virtual ResultType InternalOpenPort( void );
/** Set communication on the open port as per the communication
* parameters. */
virtual ResultType InternalUpdateParameters( void );
/** Closes serial port */
virtual ResultType InternalClosePort( void );
/** Send a serial break */
virtual ResultType InternalSendBreak( void );
/** Sleep for the specified number of milliseconds */
virtual void InternalSleep( unsigned int milliseconds );
/** Purge the input and output buffers */
virtual ResultType InternalPurgeBuffers( void );
/** Write data */
virtual ResultType InternalWrite( const char *message,
unsigned int numberOfBytes );
/** Read data */
virtual ResultType InternalRead( char *data, unsigned int numberOfBytes,
unsigned int &bytesRead );
/** Set the RTS (ready-to-send) value
* 0 : Clear the RTS (request-to-send) signal
* 1 : Sends the RTS signal */
virtual ResultType InternalSetRTS( unsigned int signal );
/** Print object information. */
virtual void PrintSelf( std::ostream& os, itk::Indent indent ) const;
private:
/** value for invalid handle */
itkStaticConstMacro( INVALID_HANDLE ,int, -1 );
/** The serial port handle. */
int m_PortHandle;
/** The old timeout value */
unsigned int m_OldTimeoutPeriod;
};
} // end namespace igstk
#endif // __igstkSerialCommunicationForPosix_h
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