ppio Class Reference

abstract class that provides low level access to parallel port bits More...

#include <ppio.h>

Inheritance diagram for ppio:

List of all members.

Public Member Functions
	ppio ()
virtual	~ppio ()
virtual void	write_data (unsigned char v)=0
virtual unsigned char	read_data ()=0
virtual void	write_control (unsigned char v)=0
virtual unsigned char	read_control ()=0
virtual unsigned char	read_status ()=0
virtual void	lock ()=0
virtual void	unlock ()=0

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Detailed Description

abstract class that provides low level access to parallel port bits

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Constructor & Destructor Documentation

ppio::ppio ( )

inline

virtual ppio::~ppio ( )

virtual

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Member Function Documentation

virtual void ppio::lock ( )

pure virtual

Implemented in ppio_ppdev.

virtual unsigned char ppio::read_control ( )

pure virtual

Implemented in ppio_ppdev.

virtual unsigned char ppio::read_data ( )

pure virtual

Implemented in ppio_ppdev.

virtual unsigned char ppio::read_status ( )

pure virtual

Implemented in ppio_ppdev.

virtual void ppio::unlock ( )

pure virtual

Implemented in ppio_ppdev.

virtual void ppio::write_control ( unsigned char  v )

pure virtual

Implemented in ppio_ppdev.

virtual void ppio::write_data ( unsigned char  v )

pure virtual

Implemented in ppio_ppdev.

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The documentation for this class was generated from the following file:

• ppio.h