ProSoft Technology MVI56E-LDM User Manual
Page 192

CIP API Functions
ControlLogix Platform ♦ "C" Programmable
Developer's Manual
Linux Application Development Module
Page 186 of 264
ProSoft Technology, Inc.
March 12, 2014
OCXcip_GetLED3
Syntax
int OCXcip_GetLED3 (OCXHANDLE apihandle, int * ledstate);
Parameters
apihandle
handle returned by previous call to OCXcip_Open
ledstate
Pointer to a variable to receive err LED state
Description
OCXcip_GetLED3
allows an application to read the current state of the err LED.
apihandle
must be a valid handle returned from
OCXcip_Open
.
ledstate
must be a pointer to an integer variable. On successful return, the
variable is set to:
OCX_LED_STATE_RED
,
OCX_LED_STATE_GREEN
, or
OCX_LED_STATE_OFF
Return Value
OCX_SUCCESS
The LED was read successfully
OCX_ERR_NOACCESS
apihandle
does not have access
Example
OCXHANDLE apiHandle;
int ledstate;
/* Read err LED state */
OCXcip_GetLED3 (apiHandle, &ledstate);