Chapter 6
NI-FBUS Function Reference
©
National Instruments Corporation
6-13
NI-FBUS Hardware and Software User Manual
char revision[TA1];
int16 ODVersion;
uint16 numTransducerBlocks;
uint16 numFunctionBlocks;
uint16 numActionObjects;
uint16 numLinkObjects;
uint16 numAlertObjects;
uint16 numTrendObjects;
uint16 numDomainObjects;
uint16 totalObjects;
uint32 flags;
} nifVFDInfo_t;
Return Values
E_OK
The call was successful.
E_COMM_ERROR
The NI-FBUS Communications Manager failed to communicate
with the device.
E_INVALID_DESCRIPTOR
The input descriptor does not correspond to a physical device.
E_BUF_TOO_SMALL
There were not enough allocated buffers. Your specified input
buffers do
not
contain valid data.
E_SM_NOT_OPERATIONAL
The device is present, but cannot respond because it is at a default
address.
E_OBSOLETE_DESC
The input descriptor is no longer valid. It was closed before
nifGetVFDList
completed.
E_SERVER_CONNECTION_LOST
The session established with the NI-FBUS Communications
Manager for this descriptor has been closed or lost.
E_BAD_DEVICE_DATA
The device returned some inconsistent information.