Prosoft-technology MVI69-ADM Uživatelský manuál stáhnout pdf (Strana 289)

MVI-ADM ♦ 'C' Programmable CIP Messaging Library Functions

'C' Programmable Application Development Module Developer's Guide

ProSoft Technology, Inc. Page 289 of 342

February 20, 2013

10.7 CIP Special Callback Registration

MVIcip_RegisterFatalFaultRtn

Syntax

int MVIcip_RegisterFatalFaultRtn(MVIHANDLE handle, MVICALLBACK

(*fatalfault_proc)( ) );

Parameters

handle

handle returned by previous call to MVIcip_Open

fatalfault_proc

pointer to fatal fault callback routine

Description

This function is used by an application to register a fatal fault callback routine.

Once registered, the backplane device driver will call fatalfault_proc if a fatal fault

condition is detected.

handle must be a valid handle returned from MVIcip_Open.

fatalfault_proc must be a pointer to a fatal fault callback function.

A fatal fault condition will result in the module being taken offline; that is, all

backplane communications will halt. The application may register a fatal fault

callback in order to perform recovery, safe-state, or diagnostic actions.

Return Value

MVI_SUCCESS

routine was registered successfully

MVI_ERR_NOACCESS

handle does not have access

Example

MVIHANDLE handle;

// Register a fatal fault handler

MVIcip_RegisterFatalFaultRtn(handle, fatalfault_proc);

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Prosoft-technology MVI69-ADM Uživatelský manuál Strana 289