Rockwell-automation 1747-PCINT API Software for 1746 I/O Manual de usuario descargar pdf (Pagina 101)

OC_InitScanner Library of Routines 6–47

Publication 1747-6.5.3 June 1998

Return Value:

Considerations:

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

Example:

HANDLE Handle;

OCINIT scaninit;

int retcode;

scaninit.InputImageSize = 128; /* 64 words for input image */

scaninit.OutputImageSize = 128; /* 64 words for output image */

scaninit.HostRetentiveDataSize = 500; /* 256 words for host data area */

retcode = OC_InitScanner( Handle, &scaninit );

Name: Value: Description:

SUCCESS

scanner was initialized successfully

ERR_OCACCESS

handle does not have access to the scanner

ERR_OCMEM

shared memory not found

ERR_OCPAR

initialization failed due to invalid partition information

ERR_OCPOST

POST in progress or scanner POST failed, see OC_GetScannerStatus

ERR_OCREINIT

scanner has already been initialized

ERR_OCRESPONSE

scanner did not respond to request

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Rockwell-automation 1747-PCINT API Software for 1746 I/O Manual de usuario Pagina 101