Aim MIL-STD-1553 - Page 277

MIL-STD-1553 Reference Manual
263
Chapter 7 – Bus Controller Functions
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BC Transfer Status information
typedef struct ty_api_bc_xfer_status_queue
{
AiUInt32 ul_SqCtrlWord;
AiUInt32 ul_SqStatusWords;
AiUInt32 ul_SqActBufPtr;
AiUInt32 ul_SqTimeTag;
} TY_API_BC_XFER_STATUS_QUEUE;
typedef struct ty_api_bc_xfer_event_queue
{
AiUInt32 ul_EqEntryWord1;
AiUInt32 ul_EqEntryWord2;
AiUInt32 ul_EqEntryWord3;
AiUInt32 ul_EqEntryWord4;
} TY_API_BC_XFER_EVENT_QUEUE;
typedef struct ty_api_bc_xfer_status_info
{
AiUInt32 ul_ActBufferId;
AiUInt32 ul_ActionWord;
AiUInt32 ul_XferCnt;
AiUInt32 ul_ErrCnt;
AiUInt32 ul_LastVectorWord;
AiUInt32 ul_ServiceRequestCnt;
} TY_API_BC_XFER_STATUS_INFO;
typedef struct ty_api_bc_xfer_status_ex
{
TY_API_BC_XFER_STATUS_QUEUE x_XferSQueue[256];
TY_API_BC_XFER_EVENT_QUEUE x_XferEQueue[1];
TY_API_BC_XFER_STATUS_INFO x_XferInfo;
AiUInt32 ul_BufferQueueSize;
} TY_API_BC_XFER_STATUS_EX;
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Indicates the data buffer queue size set with ApiCmdBCBHDef(). This queue size also indicates
how many status queue entries are valid
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Actual Buffer/Status Queue Identifier of the transfer that is currently processed
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Reserved (0)
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Number of Transfers executed
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Number of Transfer errors
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Last vector word that has been received
This value is only available, if Service Request / Vector Word mechanism is enabled with the
functions ApiCmdBCIni() and ApiCmdBCXferDef().