#include <PParallelPort.h>

Inheritance diagram for PParallelPort:

Public Member Functions
	PParallelPort ()
	The Standard constructor.

virtual	~PParallelPort ()
	The Standard destructor.

virtual void	Init ()

virtual void	SetPort (Variant v)

virtual void	Close ()

virtual char	GetStatusState ()

virtual char	GetDataState ()

virtual void	SetDataState (char x)

virtual void	EmulateStandardPort ()

virtual void	SetOutputMode ()

virtual void	SetInputMode ()

virtual int	GetState (int iface)

Public Member Functions inherited from PDevice
	PDevice ()
	The Standard constructor.

virtual	~PDevice ()
	The Standard destructor.

virtual PEBL_DEVICE_TYPE	GetDeviceType ()

virtual int	GetState (int iface) const

Public Member Functions inherited from PEBLObjectBase
	PEBLObjectBase ()
	Standard Constructor.

	PEBLObjectBase (ComplexDataType cdt)
	Standard Constructor.

	PEBLObjectBase (const PEBLObjectBase &pob)

virtual	~PEBLObjectBase ()
	Standard Destructor.

virtual bool	InitializeProperty (std::string name, Variant v)

virtual bool	SetProperty (std::string name, Variant v)

Variant	GetProperty (std::string) const

virtual ObjectValidationError	ValidateProperty (std::string, Variant v) const

virtual ObjectValidationError	ValidateProperty (std::string) const

ComplexDataType	GetType ()

virtual std::string	ObjectName () const

virtual std::ostream &	PrintProperties (std::ostream &out)

virtual Variant	GetPropertyList ()

Protected Member Functions
virtual std::ostream &	SendToStream (std::ostream &out) const

Protected Attributes
unsigned int	mPort

bool	mIsOpen

Protected Attributes inherited from PEBLObjectBase
ComplexDataType	mCDT

std::map< std::string, Variant >	mProperties

Detailed Description

Definition at line 37 of file PParallelPort.h.

Constructor & Destructor Documentation

◆ PParallelPort()

PParallelPort::PParallelPort ( )

The Standard constructor.

Definition at line 67 of file PParallelPort.cpp.

                            :
    mPort(PEBLPPortLPT1),
    mIsOpen(false)
{
    mCDT = CDT_PARALLELPORT;
}

References CDT_PARALLELPORT, and PEBLObjectBase::mCDT.

◆ ~PParallelPort()

PParallelPort::~PParallelPort ( )

virtual

The Standard destructor.

Definition at line 75 of file PParallelPort.cpp.

{
    if(mIsOpen)
        Close();
}

References Close(), and mIsOpen.

Member Function Documentation

◆ Close()

void PParallelPort::Close ( )

virtual

Definition at line 161 of file PParallelPort.cpp.

{
#ifdef PEBL_LINUX
    int out =ioperm(mPort,3,0);
#elif defined (PEBL_WIN32)
 
 //This doesnot work yet:
//    FreeLibrary(hLib);
#endif
    mIsOpen = false;
}

References mIsOpen, and mPort.

Referenced by ~PParallelPort().

◆ EmulateStandardPort()

void PParallelPort::EmulateStandardPort ( )

virtual

Definition at line 222 of file PParallelPort.cpp.

{
//Not functional
 
}

◆ GetDataState()

char PParallelPort::GetDataState ( )

virtual

Definition at line 197 of file PParallelPort.cpp.

{
#if defined(PEBL_LINUX)
    return (inb(mPort));
 
#elif defined (PEBL_WIN32)
    return Inp32(mPort);
#else
    return '\0';
#endif
 
}

References Inp32(), and mPort.

Referenced by GetState().

◆ GetState()

int PParallelPort::GetState ( int iface )

virtual

Definition at line 275 of file PParallelPort.cpp.

{
    int out =0;
    if(iface==0)
        {
            SetOutputMode();
            SetDataState((char)0);
            SetInputMode();
            out = GetDataState();
        } else
        if(iface==1)
            {
                out = GetStatusState();
            }
 
     return out;
}

References GetDataState(), GetStatusState(), SetDataState(), SetInputMode(), and SetOutputMode().

◆ GetStatusState()

char PParallelPort::GetStatusState ( )

virtual

Definition at line 183 of file PParallelPort.cpp.

{
#if defined(PEBL_LINUX)
    return inb(mPort+1);
#elif defined (PEBL_WIN32)
    return Inp32(mPort+1);
#else
    return '\0';
#endif
    //    return (inb(mPort+1)>>3)^0x10;
}

References Inp32(), and mPort.

Referenced by GetState().

◆ Init()

void PParallelPort::Init ( )

virtual

Definition at line 83 of file PParallelPort.cpp.

{
 
#ifdef PEBL_LINUX
    //This works on linux: open 3 bytes to access
    int out = ioperm(mPort, 3, 1);
    //int out = iopl(3);
    mIsOpen = true;
    std::cerr << "Initiating parallel port.  Return value :["<<out<<"]\n";
 
 
    //    EmulateStandardPort();
    if(out)
        {
            PError::SignalFatalError("Unable to Access Parallel Port.  Make sure script is run with root access.\n");
        }
 
 
#elif defined(PEBL_WIN32)
   HINSTANCE hLib;
   inpfuncPtr inp32fp;
   oupfuncPtr oup32fp;
   hLib = LoadLibrary("inpout32.dll");
   if(hLib == NULL)
   {
      PError::SignalFatalError("Unable to load library inpout32.dll.  Cannot initiate parallel port device");
   }
 
// Get the address of the Input function
 
     inp32fp = (inpfuncPtr) GetProcAddress(hLib, "Inp32");
 
     if (inp32fp == NULL)
     {
       PError::SignalFatalError("Unable to get Inp32.");
     }
 
 
     oup32fp = (oupfuncPtr) GetProcAddress(hLib, "Out32");
 
     if (oup32fp == NULL) {
 
        PError::SignalFatalError("Unable to get oup32");
     }
 
 
#endif
 
 
 
 
}

References mIsOpen, mPort, NULL, and PError::SignalFatalError().

◆ SendToStream()

ostream & PParallelPort::SendToStream ( std::ostream & out ) const

protectedvirtual

Reimplemented from PDevice.

Definition at line 266 of file PParallelPort.cpp.

{
    out << "<Generic Parallel Port Object>" << flush;
    return out;
}

◆ SetDataState()

void PParallelPort::SetDataState ( char x )

virtual

Definition at line 211 of file PParallelPort.cpp.

{
#if defined(PEBL_LINUX)
     outb(x,mPort);
#elif defined (PEBL_WIN32)
     Out32(mPort,x);
#endif
 
}

References mPort, and Out32().

Referenced by GetState().

◆ SetInputMode()

void PParallelPort::SetInputMode ( )

virtual

Definition at line 251 of file PParallelPort.cpp.

{
 
#if defined(PEBL_LINUX)
        unsigned char x = inb(mPort+2);
    //  turns 7th bit of the control byte  on
    outb( x | 0x20, mPort+2);
#elif defined (PEBL_WIN32)
        unsigned char x = Inp32(mPort+2);
    Out32(mPort+2,x|0x20);
#endif
 
 
}

References Inp32(), mPort, and Out32().

Referenced by GetState().

◆ SetOutputMode()

void PParallelPort::SetOutputMode ( )

virtual

Definition at line 231 of file PParallelPort.cpp.

{
 
 
#if defined(PEBL_LINUX)
        unsigned char x;
    x = inb(mPort+2);  //get state of control register
    outb(x & ~0x20, mPort+2);
#elif defined (PEBL_WIN32)
        unsigned char x;
    x = Inp32(mPort+2);
    Out32(mPort+2,x&~0x20);
#endif
 
 
}

References Inp32(), mPort, and Out32().

Referenced by GetState().

◆ SetPort()

void PParallelPort::SetPort ( Variant v )

virtual

Definition at line 140 of file PParallelPort.cpp.

{
    if(v=="LPT1")
        {
            mPort = PEBLPPortLPT1;
 
        }else if(v=="LPT2")
        {
            mPort = PEBLPPortLPT2;
        } else if(v=="LPTX")
        {
            mPort = PEBLPPortLPTX;
        }else{
 
        //SHould allow to set to arbitrary hex-coded port address here.
        std::cerr << "Cannot set port to ["<<v<<"].  Setting to LPT1.\n";
    }
 
}

References mPort, PEBLPPortLPT1, PEBLPPortLPT2, and PEBLPPortLPTX.

Member Data Documentation

◆ mIsOpen

bool PParallelPort::mIsOpen

protected

Definition at line 66 of file PParallelPort.h.

Referenced by Close(), Init(), and ~PParallelPort().

◆ mPort

unsigned int PParallelPort::mPort

protected

Definition at line 65 of file PParallelPort.h.

Referenced by Close(), GetDataState(), GetStatusState(), Init(), SetDataState(), SetInputMode(), SetOutputMode(), and SetPort().

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

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ PParallelPort()

◆ ~PParallelPort()

Member Function Documentation

◆ Close()

◆ EmulateStandardPort()

◆ GetDataState()

◆ GetState()

◆ GetStatusState()

◆ Init()

◆ SendToStream()

◆ SetDataState()

◆ SetInputMode()

◆ SetOutputMode()

◆ SetPort()

Member Data Documentation

◆ mIsOpen

◆ mPort