Aim AFDX / ARINC 664, Справочное руководство

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194 Reference Manual AFDX / ARINC 664 Application Interface Library
Section 4 – Function Reference: Receiver Functions
4
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Prototype:
AiReturn FdxCmdMonQueueStatus ( AiUInt32 ul_Handle,
AiUInt32 ul_QueueId,
TY_FDX_MON_QUEUE_ STATUS_OUT
*px_QueueStatusOut );
Driver Command:
FDX_MON_QUEUE_STATUS
Purpose:
This function shows the status for a monitor capture queue of a receiver port.
This function is applicable for capture control modes single and continuous (no recording).
Input:
AiUInt32 ul_QueueId
Queue Identifier. Valid Queue Identifiers are get via the
FdxCmdMonQueueControl
command.
Output:
T
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Y
Y
_
_
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D
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M
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O
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*
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Pointer to structure of output data
typedef struct {
TY_FDX_E_MON_STATUS e_Status;
AiUInt32 ul_FramesToRead;
AiUInt32 ul_BytesToRead;
} TY_FDX_MON_QUEUE_STATUS_OUT;
T
T
Y
Y
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_
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Reflects the actual status of the Monitor Queue.
Define Description
FDX_MON_STAT_EMPTY The Queue is empty
FDX_MON_STAT_ FILLED There are frames to read
FDX_MON_STAT_ FULL The queue is full. In case of a continuous capture queue
data shall be read immediately to prevent overflow.
FDX_MON_STAT_ OVERFLOW This is only applicable for continuous capture mode. The
internal receiver task was not able to write available data to
the queue.
FDX_MON_STAT_ ERROR Any kind of Capture queue Error.
A
A
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U
U
I
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2
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Returns number of Frames actually in Queue to read out.