Rockwell-automation 1747-PCINT API Software for 1746 I/O Manual de usuario descargar pdf (Pagina 98)

6–44 Library of Routines OC_GetVersionInfo

Publication 1747-6.5.3 June 1998

OC_GetVersionInfo OC_GetVersionInfo retrieves the current version of the API library, 1746 I/O PCI

Interface hardware, and scanner firmware.

Syntax:

int OC_GetVersionInfo(HANDLE handle, OCVERSIONINFO *verinfo);

Parameters:

Description:

The scanner must be initialized before this function returns valid version information.

The

OCVERSIONINFO structure is defined as:

typedef struct tagOCVERSIONINFO

{

WORD APISeries; /* API series */

WORD APIRevision; /* API revision */

WORD ScannerFirmwareSeries; /* Scanner firmware series */

WORD ScannerFirmwareRevision; /* Scanner firmware revision */

WORD OCHardwareSeries; /* Hardware series */

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

Parameter: Description:

handle

Must be a valid handle returned from OC_OpenScanner

verinfo

Returns the current version of the API library, 1746 I/O PCI Interface

hardware, and scanner firmware

Name: Value: Description:

SUCCESS

version information was read successfully

ERR_OCACCESS

handle does not have access to scanner

ERR_OCINIT

scanner has not been initialized, see OC_InitScanner

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Rockwell-automation 1747-PCINT API Software for 1746 I/O Manual de usuario Pagina 98