ProSoft Technology MVI56E-LDM - Manual (Page 202)

CIP API Functions ControlLogix Platform ♦ "C" Programmable
Developer's Manual Linux Application Development Module
Page 196 of 264 ProSoft Technology, Inc.
March 12, 2014
OCXcip_GetSwitchPosition
Syntax
int OCXcip_GetSwitchPosition (OCXHANDLE apihandle,
int * sw_pos);
Parameters
apihandle handle returned by previous call to OCXcip_Open
sw_pos Pointer to integer to receive switch state
Description
OCXcip_GetSwitchPosition
retrieves the state of the 3-position switch on the front
panel of the module. The information is returned in the integer pointed to by
sw_pos
.
apihandle
must be a valid handle returned from
OCXcip_Open
.
If
OCX_SUCCESS
is returned, the integer pointed to by
sw_pos
is set to indicate the
state of the jumper in bit 0. A 1 indicates that the jumper is not installed, and a 0
indicates that the jumper is installed.
Return Value
OCX_SUCCESS The jumper information was read successfully
OCX_ERR_NOACCESS apihandle does not have access
Example
OCXHANDLE apiHandle;
int swpos;
/* Check switch position */
OCXcip_GetSwitchPosition (apiHandle, &swpos);
if (swpos & 0x01)
printf ("Setup Jumper is NOT installed\n");
else
printf ("Setup Jumper is installed\n");