Prosoft-technology MVI56E-LDM Instrukcja Użytkownika Pobierz pdf (Strona 198)

CIP API Functions ControlLogix Platform ♦ "C" Programmable

Developer's Manual Linux Application Development Module

Page 192 of 264 ProSoft Technology, Inc.

March 12, 2014

OCXcip_SetDisplay

Syntax

int OCXcip_SetDisplay (OCXHANDLE apihandle,

char * display_string);

Parameters

apihandle

handle returned by previous call to OCXcip_Open

display_string

4-character string to be displayed

Description

OCXcip_SetDisplay allows and application to load 4 ASCII characters to the

alphanumeric display.

apihandle must be a valid handle returned from OCXcip_Open.

display_string must be a pointer to a NULL-terminating string whose length is

exactly 4 (no including the NULL).

Return Value

OCX_SUCCESS

The display was set successfully

OCX_ERR_NOACCESS

apihandle does not have access

OCX_ERR_BADPARAM

display_string length is not 4

Example

OCXHANDLE apiHandle;

char buf[5];

/* Display the time as HHMM */

OCXcip_SetDisplay (apiHandle, buf);

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