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Oc_initscanner, Return value: considerations, Example – Rockwell Automation 1747-PCIS API Software - Open Controller User Manual

Page 99: Syntax, Parameters

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Publication 1747-UM002A-US-P - June 2000

Library of Routines 6-39

WORD

OCHardwareRevision; /* Hardware revision */

} OCVERSIONINFO;

The Windows NT version uses the above structure with these
additional members:

WORD

OCDriverSeries; / * Device driver series */

WORD

OCDriverRevision / * Device driver

series revision */

Return Value:

Considerations:

Supported in the DOS API library and the Windows NT API library

Example:

HANDLE

Handle;

OCVERSIONINFO

verinfo;

int

retcode;

retcode = OC_GetVersionInfo( Handle, &verinfo );

OC_InitScanner

This function initializes the shared memory interface between the host
and scanner and this function configures the shared memory
partitioning.

Syntax:

int

OC_InitScanner(HANDLE handle, OCINIT *scaninit);

Parameters:

Name:

Value:

Description:

SUCCESS

0

version information was read successfully

ERR_OCACCESS

2

handle

does not have access to scanner

ERR_OCINIT

5

scanner has not been initialized, see OC_InitScanner

Parameter:

Description:

handle

Must be a valid handle returned from OC_OpenScanner

scaninit

Points to the structure that contains the initialization information
passed from the application

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