Allen-Bradley 1784-KTX Reference Manual page 82

/************************************************************************
* KTX_DP.H
*
* Description:
*
* This file contains defintions for all of the common structures
* and type definitions used by the example 1784–KTX Scanner software. *
*
* History:
*
* 02/22/93 MJG Original creation.
*
************************************************************************/
#ifndef KTX_DP_H /* Prevent multiple inclusions */
#define KTX_DP_H 1
/**** atomic data types ****/
#define UBYTE
#define BYTE
#define UWORD
#define WORD
#define USHORT
#define SHORT
#define UINT
#define ULONG
#define LONG
#define BOOL
#define METACHAR
/*============================================================================
CONFIG_DATA – defines the bits associated with the config byte.
The host can use this byte to control the behavior of
the scanner firmware.
=============================================================================*/
typedef struct
{
UBYTE interrupt_after_each_scan:1;
UBYTE debug_flag:1;
UBYTE enable_cos_detect:1;
UBYTE undefined:5;
} CONFIG_DATA;
/*=============================================================================
RUNNING_STATUS – defines the bits associated with the running status byte.
Used by the scanner firmware to notify the host of running
status.
=============================================================================*/
typedef struct
{
UBYTE end_of_scan_list:1;
UBYTE adapter_addr_flt:1;
UBYTE undefined:6;
} RUNNING_STATUS;
/*=============================================================================
OPERATING_STATUS – this word is part of the dual port and contains boolean
status information about the operation of the scanner firmware.
==============================================================================*/
typedef struct
{
UWORD
UWORD
UWORD
UWORD
ktx_dp.h file
unsigned char
char
unsigned short
short
unsigned short
short
unsigned int
unsigned long
long
int
short
The bits are active–high.
program_mode:1;
test_mode:1;
run_mode:1;
debug_flag:1;
Appendix B
Programming Examples
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B-3