Rockwell-automation 1747-PCIS API Software - Open Controller Uživatelský manuál stáhnout pdf (Strana 136)

Publication 1747-UM002A-US-P - June 2000

6-76 Library of Routines

Example:

HANDLE Handle;

BYTE retent_data[500];

int retcode;

retcode = OC_WriteHostRetentiveData( Handle, retent_data,

0, 500 );

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 */

OCSLOTCFG SlotCfg[OCMAXSLOT];/* configuration for each

slot */

} OCIOCFG;

Return Value:

Parameter: Description:

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

filename

filename References the file to write

filename does not exist, it is created.

Name: Value: Description:

SUCCESS 0 I/O configuration file was written successfully

ERR_OCFILERROR 19 error encountered while opening or writing the file

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Rockwell-automation 1747-PCIS API Software - Open Controller Uživatelský manuál Strana 136