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Source Code of "ParaPort.h"
<![CDATA[
/*
///////////////////////////////////////////////////////////////////////////////
//
// C interface of ParaPort
//
// copyright (c) 2002, 2003, 2004 by Paul R. ADAM
// all rights reserved
// read the "http://www.ParaPort.net/TermsOfUse.html"
//
// more information on "http://www.ParaPort.net"
//
///////////////////////////////////////////////////////////////////////////////
*/
#ifndef ParaPort_h
#define ParaPort_h
#pragma pack( 1 )
/*
///////////////////////////////////////////////////////////////////////////////
// interface for openPort( )
*/
#define PARAPORT_LPT_MAX 9 /* LPT1 up to LPT9 */
/*
// on Windows 9x systems, the number of parallel ports is limited to 3
*/
#define PARAPORT_LPT_MAX_ON_WIN9X 3 /* LPT1, LPT2, LPT3 */
/*
///////////////////////////////////////////////////////////////////////////////
// interface for executeCycle( )
*/
#define PARAPORT_MASK_DATA_D0 0x01
#define PARAPORT_MASK_DATA_D1 0x02
#define PARAPORT_MASK_DATA_D2 0x04
#define PARAPORT_MASK_DATA_D3 0x08
#define PARAPORT_MASK_DATA_D4 0x10
#define PARAPORT_MASK_DATA_D5 0x20
#define PARAPORT_MASK_DATA_D6 0x40
#define PARAPORT_MASK_DATA_D7 0x80
#define PARAPORT_MASK_DATA 0xFF
#define PARAPORT_MASK_CONTROL_STROBE 0x01
#define PARAPORT_MASK_CONTROL_LINEFEED 0x02
#define PARAPORT_MASK_CONTROL_INIT 0x04
#define PARAPORT_MASK_CONTROL_SELECTIN 0x08
#define PARAPORT_MASK_CONTROL_DIRECTION 0x20 /* only for internal use */
#define PARAPORT_MASK_CONTROL ( PARAPORT_MASK_CONTROL_INIT | \
PARAPORT_MASK_CONTROL_LINEFEED | \
PARAPORT_MASK_CONTROL_SELECTIN | \
PARAPORT_MASK_CONTROL_STROBE )
#define PARAPORT_MASK_STATUS_ERROR 0x08
#define PARAPORT_MASK_STATUS_SELECT 0x10
#define PARAPORT_MASK_STATUS_PAPEREND 0x20
#define PARAPORT_MASK_STATUS_ACKNOWLEDGE 0x40
#define PARAPORT_MASK_STATUS_BUSY 0x80
#define PARAPORT_MASK_STATUS ( PARAPORT_MASK_STATUS_ACKNOWLEDGE | \
PARAPORT_MASK_STATUS_BUSY | \
PARAPORT_MASK_STATUS_ERROR | \
PARAPORT_MASK_STATUS_PAPEREND | \
PARAPORT_MASK_STATUS_SELECT )
typedef struct
{
UCHAR Data;
UCHAR Status;
UCHAR Control;
UCHAR MaskData;
UCHAR MaskStatus;
UCHAR MaskControl;
UCHAR RepeatFactor;
}
PARAPORT_CYCLE;
/*
///////////////////////////////////////////////////////////////////////////////
// interface for getPortAddress( ), input( ) and output( )
*/
typedef unsigned char* PARAPORT_ADDRESS;
/*
// only the following registers of the parallel port will be accessed
*/
#define PARAPORT_ADDRESS_DATA 0
#define PARAPORT_ADDRESS_STATUS 1
#define PARAPORT_ADDRESS_CONTROL 2
#define PARAPORT_ADDRESS_MIN PARAPORT_ADDRESS_DATA
#define PARAPORT_ADDRESS_MAX ( PARAPORT_ADDRESS_CONTROL + 1 )
/*
// this error will be returned by functions input( ) and output( ), if there was an error
// but it might be also a valid value!
*/
#define PARAPORT_BYTE_ON_ERROR 0xFF
/*
///////////////////////////////////////////////////////////////////////////////
// interface for error handling
*/
#define PARAPORT_ERROR ( 0x20000000 )
#define PARAPORT_ERROR_INTERNAL_1 ( PARAPORT_ERROR | 1 )
#define PARAPORT_ERROR_INTERNAL_2 ( PARAPORT_ERROR | 2 )
#define PARAPORT_ERROR_INTERNAL_3 ( PARAPORT_ERROR | 3 )
#define PARAPORT_ERROR_INVALID_HANDLE ( PARAPORT_ERROR | 4 )
#define PARAPORT_ERROR_INVALID_PORTNAME ( PARAPORT_ERROR | 5 )
#define PARAPORT_ERROR_LIBRARY_NOT_IMPLEMENTED ( PARAPORT_ERROR | 6 )
#define PARAPORT_ERROR_LIBRARY_NOT_LOADED ( PARAPORT_ERROR | 7 )
#define PARAPORT_ERROR_INVALID_ADDRESS ( PARAPORT_ERROR | 8 )
#define PARAPORT_ERROR_INVALID_CYCLE ( PARAPORT_ERROR | 9 )
#define PARAPORT_ERROR_LIBRARY_NOT_COMPATIBLE ( PARAPORT_ERROR | 10 )
#define PARAPORT_ERROR_MIN PARAPORT_ERROR_INTERNAL_1
#define PARAPORT_ERROR_MAX ( PARAPORT_ERROR_LIBRARY_NOT_COMPATIBLE + 1 )
#pragma pack( )
#endif /* ParaPort_h */
/*
///////////////////////////////////////////////////////////////////////////////
*/]]>
Copyright (c) 2002, 2003, 2004 by Paul R. ADAM,
v2.0, read the Terms of Use
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