ProSoft Technology MVI56E-LDM - Manual (Page 200)

CIP API Functions ControlLogix Platform ♦ "C" Programmable
Developer's Manual Linux Application Development Module
Page 194 of 264 ProSoft Technology, Inc.
March 12, 2014
OCXcip_GetDisplay
Syntax
int OCXcip_GetDisplay (OCXHANDLE apihandle,
char * display_string);
Parameters
apihandle handle returned by previous call to OCXcip_Open
display_string Pointer to buffer to receive displayed string
Description
OCXcip_GetDisplay
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 buffer that is at least 5 bytes in length. On
successful return, this buffer will contain the 4-character display string and
terminating NULL character.
Return Value
OCX_SUCCESS The display was read successfully
OCX_ERR_NOACCESS apihandle does not have access
Example
OCXHANDLE apiHandle;
char buf[5];
/* Display the time as HHMM */
OCXcip_SetDisplay (apiHandle, buf);