?? parallelport.cpp
字號:
// ParallelPort.cpp: implementation of the CParallelPort class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "ParallelPort.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
//CParallelPort ParallePort;
CString m_strAppPath;
CParallelPort::CParallelPort()
{
m_CtrlByte=0;
m_DataByte=0;
m_StatByte=0;
m_bWin98=FALSE;
}
CParallelPort::~CParallelPort()
{
if(!m_bWin98)
ShutdownWinIo();
}
BOOL CParallelPort::SetDataDir(BOOL DIR)
{
if(!DIR)
{
m_CtrlByte|=0x20;
WriteCtrl(m_CtrlByte);
}
else
{
m_CtrlByte&=0xdf;
WriteCtrl(m_CtrlByte);
}
return TRUE;
}
BOOL CParallelPort::InitPort(int nPort)
{
m_nDataPort=nPort;
m_nStatPort=nPort+1;
m_nCtrlPort=nPort+2;
OSVERSIONINFO winInfo;
winInfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
GetVersionEx(&winInfo);
TRACE("winInfo.dwMajorVersion:%d\n",winInfo.dwMajorVersion);
if(winInfo.dwMajorVersion==4)//Win98或Win95
{
TRACE("m_bWin98=TRUE\n");
m_bWin98=TRUE;
return TRUE;
}
else if(winInfo.dwMajorVersion==5)//Win2000或WinXP要先裝驅動
{
TRACE("m_bWin98=FALSE\n");
m_bWin98=FALSE;
m_strDrivePath=m_strAppPath+"winio.sys";
char FileName[200];
memset(FileName,0,200);
strcpy(FileName,LPCTSTR(m_strDrivePath));
if(InitializeWinIo())
return TRUE;
if(!InstallWinIoDriver(FileName,FALSE))
{
AfxMessageBox("初始化驅動程序失敗!");
}
if(!InitializeWinIo())
{
AfxMessageBox("初始化并口I/O失敗!");
return FALSE;
}
//TRACE("InstallRes:%d,InitRes:%d\n",InstallRes,InitRes);
//AfxMessageBox("here");
return TRUE;
}
else
{
return FALSE;
}
}
BYTE CParallelPort::ReadData()
{
if(m_bWin98)
return (BYTE)_inp(m_nDataPort);
else
{
DWORD Val;
GetPortVal((WORD)m_nDataPort,&Val,1);
return (BYTE)Val;
}
}
CParallelPort::WriteData(BYTE Data)
{
if(m_bWin98)
_outp(m_nDataPort,(int)Data);
else
{
SetPortVal((WORD)m_nDataPort,(DWORD)Data,1);
}
}
BYTE CParallelPort::ReadState()
{
if(m_bWin98)
return (BYTE)_inp(m_nStatPort);
else
{
DWORD Val;
GetPortVal((WORD)m_nStatPort,&Val,1);
return (BYTE)Val;
}
}
BYTE CParallelPort::ReadCtrl()
{
if(m_bWin98)
return (BYTE)_inp(m_nCtrlPort);
else
{
DWORD Val;
GetPortVal((WORD)m_nCtrlPort,&Val,1);
return (BYTE)Val;
}
}
CParallelPort::WriteCtrl(BYTE Ctrl)
{
if(m_bWin98)
_outp(m_nCtrlPort,(int)Ctrl);
else
{
SetPortVal((WORD)m_nCtrlPort,(DWORD)Ctrl,1);
}
}
BOOL CParallelPort::SetPinH(int nPin)
{
if(nPin==0)
return FALSE;
switch(nPin)
{
case 1:
m_CtrlByte&=0xfe;
WriteCtrl(m_CtrlByte);
return TRUE;
case 2:
m_DataByte|=0x01;
WriteData(m_DataByte);
return TRUE;
case 3:
m_DataByte|=0x02;
WriteData(m_DataByte);
return TRUE;
case 4:
m_DataByte|=0x04;
WriteData(m_DataByte);
return TRUE;
case 5:
m_DataByte|=0x08;
WriteData(m_DataByte);
return TRUE;
case 6:
m_DataByte|=0x10;
WriteData(m_DataByte);
return TRUE;
case 7:
m_DataByte|=0x20;
WriteData(m_DataByte);
return TRUE;
case 8:
m_DataByte|=0x40;
WriteData(m_DataByte);
return TRUE;
case 9:
m_DataByte|=0x80;
WriteData(m_DataByte);
return TRUE;
case 14:
m_CtrlByte&=0xfd;
WriteCtrl(m_CtrlByte);
return TRUE;
case 16:
m_CtrlByte|=0x04;
WriteCtrl(m_CtrlByte);
return TRUE;
case 17:
m_CtrlByte&=0xf7;
WriteCtrl(m_CtrlByte);
return TRUE;
default:
return FALSE;
}
return FALSE;
}
BOOL CParallelPort::SetPinL(int nPin)
{
if(nPin==0)
return FALSE;
switch(nPin)
{
case 1:
m_CtrlByte|=0x01;
WriteCtrl(m_CtrlByte);
return TRUE;
case 2:
m_DataByte&=0xfe;
WriteData(m_DataByte);
return TRUE;
case 3:
m_DataByte&=0xfd;
WriteData(m_DataByte);
return TRUE;
case 4:
m_DataByte&=0xfb;
WriteData(m_DataByte);
return TRUE;
case 5:
m_DataByte&=0xf7;
WriteData(m_DataByte);
return TRUE;
case 6:
m_DataByte&=0xef;
WriteData(m_DataByte);
return TRUE;
case 7:
m_DataByte&=0xdf;
WriteData(m_DataByte);
return TRUE;
case 8:
m_DataByte&=0xbf;
WriteData(m_DataByte);
return TRUE;
case 9:
m_DataByte&=0x7f;
WriteData(m_DataByte);
return TRUE;
case 14:
m_CtrlByte|=0x02;
WriteCtrl(m_CtrlByte);
return TRUE;
case 16:
m_CtrlByte&=0xfb;
WriteCtrl(m_CtrlByte);
return TRUE;
case 17:
m_CtrlByte|=0x08;
WriteCtrl(m_CtrlByte);
return TRUE;
default:
return FALSE;
}
return FALSE;
}
BOOL CParallelPort::SetPinLogic(int nPin,BOOL bLogic)
{
if(bLogic)
{
if(nPin==0)
return FALSE;
switch(nPin)
{
case 1:
m_CtrlByte&=0xfe;
WriteCtrl(m_CtrlByte);
return TRUE;
case 2:
m_DataByte|=0x01;
WriteData(m_DataByte);
return TRUE;
case 3:
m_DataByte|=0x02;
WriteData(m_DataByte);
return TRUE;
case 4:
m_DataByte|=0x04;
WriteData(m_DataByte);
return TRUE;
case 5:
m_DataByte|=0x08;
WriteData(m_DataByte);
return TRUE;
case 6:
m_DataByte|=0x10;
WriteData(m_DataByte);
return TRUE;
case 7:
m_DataByte|=0x20;
WriteData(m_DataByte);
return TRUE;
case 8:
m_DataByte|=0x40;
WriteData(m_DataByte);
return TRUE;
case 9:
m_DataByte|=0x80;
WriteData(m_DataByte);
return TRUE;
case 14:
m_CtrlByte&=0xfd;
WriteCtrl(m_CtrlByte);
return TRUE;
case 16:
m_CtrlByte|=0x04;
WriteCtrl(m_CtrlByte);
return TRUE;
case 17:
m_CtrlByte&=0xf7;
WriteCtrl(m_CtrlByte);
return TRUE;
default:
return FALSE;
}
}
else
{
if(nPin==0)
return FALSE;
switch(nPin)
{
case 1:
m_CtrlByte|=0x01;
WriteCtrl(m_CtrlByte);
return TRUE;
case 2:
m_DataByte&=0xfe;
WriteData(m_DataByte);
return TRUE;
case 3:
m_DataByte&=0xfd;
WriteData(m_DataByte);
return TRUE;
case 4:
m_DataByte&=0xfb;
WriteData(m_DataByte);
return TRUE;
case 5:
m_DataByte&=0xf7;
WriteData(m_DataByte);
return TRUE;
case 6:
m_DataByte&=0xef;
WriteData(m_DataByte);
return TRUE;
case 7:
m_DataByte&=0xdf;
WriteData(m_DataByte);
return TRUE;
case 8:
m_DataByte&=0xbf;
WriteData(m_DataByte);
return TRUE;
case 9:
m_DataByte&=0x7f;
WriteData(m_DataByte);
return TRUE;
case 14:
m_CtrlByte|=0x02;
WriteCtrl(m_CtrlByte);
return TRUE;
case 16:
m_CtrlByte&=0xfb;
WriteCtrl(m_CtrlByte);
return TRUE;
case 17:
m_CtrlByte|=0x08;
WriteCtrl(m_CtrlByte);
return TRUE;
default:
return FALSE;
}
}
}
BOOL CParallelPort::GetPinLogic(int nPin)
{
switch(nPin)
{
case 1:
m_CtrlByte=ReadCtrl();
return !(m_CtrlByte & 0x01);
case 2:
m_DataByte=ReadData();
return (m_DataByte & 0x01);
case 3:
m_DataByte=ReadData();
return (m_DataByte & 0x02);
case 4:
m_DataByte=ReadData();
return (m_DataByte & 0x04);
case 5:
m_DataByte=ReadData();
return (m_DataByte & 0x08);
case 6:
m_DataByte=ReadData();
return (m_DataByte & 0x10);
case 7:
m_DataByte=ReadData();
return (m_DataByte & 0x20);
case 8:
m_DataByte=ReadData();
return (m_DataByte & 0x40);
case 9:
m_DataByte=ReadData();
return (m_DataByte & 0x80);
case 10:
m_StatByte=ReadState();
return (m_StatByte & 0x40);
case 11:
m_StatByte=ReadState();
return !(m_StatByte & 0x80);
case 12:
m_StatByte=ReadState();
return (m_StatByte & 0x20);
case 13:
m_StatByte=ReadState();
return (m_StatByte & 0x10);
case 14:
m_CtrlByte=ReadCtrl();
return !(m_CtrlByte & 0x02);
case 15:
m_StatByte=ReadState();
return (m_StatByte & 0x08);
case 16:
m_CtrlByte=ReadCtrl();
return (m_CtrlByte & 0x04);
case 17:
m_CtrlByte=ReadCtrl();
return !(m_CtrlByte & 0x08);
default:
return FALSE;
}
return FALSE;
}
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