Rockwell Automation 1747-PCINT API Software for 1746 I/O User Manual
Page 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
0
scanner was initialized successfully
ERR_OCACCESS
2
handle
does not have access to the scanner
ERR_OCMEM
3
shared memory not found
ERR_OCPAR
6
initialization failed due to invalid partition information
ERR_OCPOST
7
POST in progress or scanner POST failed, see OC_GetScannerStatus
ERR_OCREINIT
4
scanner has already been initialized
ERR_OCRESPONSE
10
scanner did not respond to request