Prosoft-technology MVI56E-LDM Instrukcja Użytkownika Pobierz pdf (Strona 186)

CIP API Functions ControlLogix Platform ♦ "C" Programmable

Developer's Manual Linux Application Development Module

Page 180 of 264 ProSoft Technology, Inc.

March 12, 2014

OCXcip_SetUserLED

Syntax

int OCXcip_SetUserLED (OCXHANDLE apihandle, int * ledstate);

Parameters

apihandle

handle returned by previous call to OCXcip_Open

ledstate

Specifies the state for the LED

Description

OCXcip_SetUserLED allows an application to set the user LED indicator to red,

green, or off.

apihandle must be a valid handle returned from OCXcip_Open or

OCXcip_ClientOpen.

ledstate must be set to

OCX_LED_STATE_RED,

OCX_LED_STATE_GREEN, or

OCX_LED_STATE_OFF

to set the indicator Red, Green, or Off, respectively.

Return Value

OCX_SUCCESS

The LED was set successfully

OCX_ERR_NOACCESS

apihandle does not have access

Example

OCXHANDLE apiHandle;

/* Set user LED RED */

OCXcip_SetUserLED (apiHandle, OCX_LED_STATE_RED);

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