Prosoft-technology MVI69-ADM Manual de usuario descargar pdf (Pagina 328)

Side-Connect API Library Functions MVI-ADM ♦ 'C' Programmable

Developer's Guide 'C' Programmable Application Development Module

Page 328 of 342 ProSoft Technology, Inc.

February 20, 2013

MVIsc_GetLastPcccError

Syntax

int MVIsc_GetLastPcccError(HANDLE handle, BYTE *status, BYTE *extstatus);

Parameters

handle

Handle returned by previous call to MVIsc_Open

status

Pointer to byte to receive PCCC status code

extstatus

Pointer to byte to receive PCCC extended status code

Description

MVIsc_GetLastPcccError retrieves the status and extended status from the last

PCCC error response received from the PLC-5. This function should only be

called after a previous function call has returned MVISC_ERR_PCCCFAIL.

If status is equal to 0xF0, then extstatus contains an extended error code.

Return Value

MVISC_SUCCESS

status and extstatus have been retrieved

MVISC_ERR_NOACCESS

handle does not have access

Example

HANDLE Handle;

int rc;

BYTE status, extstatus;

/* assume rc is set to the return code from a function such */

/* as MVIsc_PLCBTRead */

if (rc == MVISC_ERR_PCCCFAIL) /* debug the PCCC failure */

{

MVIsc_GetLastPcccError(Handle, &status, &extstatus);

printf("\nStatus: %x Extended Status: %x\n", status, extstatus);

}

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Prosoft-technology MVI69-ADM Manual de usuario Pagina 328