Chapter 6
NI-FBUS Function Reference
©
National Instruments Corporation
6-63
NI-FBUS Hardware and Software User Manual
} nifAlertAnalogData_t;
typedef struct nifAlertDiscreteData_t {
uint16 subCode;
uint8 value;
uint32 relativeIndex;
uint16 unitIndex;
} nifAlertDiscreteData_t;
typedef struct nifAlertUpdateData_t {
uint16 staticRevision;
uint32 relativeIndex;
} nifAlertUpdateData_t;
typedef struct nifAlertStandardDiagnosticsData_t {
uint32 subCode;
uint8 value;
uint32 relativeIndex;
uint16 sourceBlockIndex;
} nifAlertStandardDiagnosticsData_t;
Return Values
E_OK
The call was successful.
E_INVALID_DESCRIPTOR
The descriptor you gave is invalid.
E_OBSOLETE_DESC
The input descriptor is no longer valid. It was closed before
nifWaitAlert2
completed.
E_SERVER_CONNECTION_LOST
The session established with the NI-FBUS Communications
Manager for this descriptor has been closed or lost.