Data acquisition message structure.

typedef struct DataAcqMsg {
 DS_MSG_HEADER

 union {
 struct {
  DSDataBufPtr bufferPtr;
  long bufferSize;
  } data;

 struct {
  unsigned long value;
  unsigned long options;
  } marker;

 struct {
  struct DSStreamCB* streamCBPtr;
  } connect;

 } msg;

} DataAcqMsg, *DataAcqMsgPtr

Data structure enclosed in messages sent to data acquisition control operations.

• bufferPtr Pointer to DatBuf structure.

• bufferSize Size of buffer in bytes.

• value Marker value (interpreted by data procedure).

• options Options for branching.

• streamCBPtr Pointer to the stream control block to which the connection is made.

DataStream.h

''%%NewDataAcq%%''