Rockwell-automation 1747-PCINT API Software for 1746 I/O Bedienungsanleitung PDF herunterladen (Seite 141)

OC_WriteIOConfigFile Library of Routines 6–87

Publication 1747-6.5.3 June 1998

OC_WriteIOConfigFile OC_WriteIOConfigFile writes the configuration data contained in the iocfg

structure to the file named filename.

Syntax:

int OC_WriteIOConfigFile(OCIOCFG *iocfg, char *filename);

Parameters:

Description:

Configuration files created by OC_WriteIOConfigFile can be read by OC_ReadIOConfigFile.

The

OCIOCFG structure is defined as:

typedef struct tagOCIOCFG

{

BYTE Rack1Size; /* number of slots in Rack 1 */

BYTE Rack2Size; /* number of slots in Rack 2 */

BYTE Rack3Size; /* number of slots in Rack 3 */

OCSLOTCFGSlotCfg[OCMAXSLOT];/* configuration for each slot */

} OCIOCFG;

Return Value:

Considerations:

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

Example:

OCIOCFG‘ iocfg

int retcode;

/* Either OC_CreateIOConfiguration() or OC_GetIOConfiguration() were */

/* called previously to fill in ’iocfg’ structure */

retcode = OC_WriteIOConfigFile( &iocfg, ”RACK1.CFG” );

Parameter: Description:

iocfg

A structure that contains the configuration data that is to be written to

filename

References the file to write

filename does not exist, it is created.

Name: Value: Description:

SUCCESS

I/O configuration file was written successfully

ERR_OCFILERROR

error encountered while opening or writing the file

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Rockwell-automation 1747-PCINT API Software for 1746 I/O Bedienungsanleitung Seite 141