Aim AFDX / ARINC 664, Справочное руководство

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108 Reference Manual AFDX / ARINC 664 Application Interface Library
Section 4 – Function Reference: Transmitter Functions
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Prototype:
AiReturn FdxCmdTxUDPWriteIndexed (const AiUInt32 ul_Handle, const
TY_FDX_UDP_INDEXED_WRITE_IN *
px_UdpWriteIndexedIn,
TY_FDX_UDP_INDEXED_WRITE_OUT *
px_UdpWriteIndexedOut);
Driver Command:
FDX_TX_UDP_WRITE_INDEXED
Purpose:
This function is used to write a pure message to a defined queue of an UDP Sampling port
which has assotiated a input Queue. This message can be addressed by index
Input:
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Pointer to an input structure for information about buffers, shall be written by index
typedef struct {
AiUInt32 ul_UdpHandle;
AiUInt32 ul_MsgCount;
TY_FDX_UDP_INDEXED_WRITE_IN_MSG* px_UdpIndexedWriteMsgArray;
} TY_FDX_UDP_INDEXED_WRITE_IN;
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Handle to an UPD Port where the following data shall be written. See description of
FdxCmdTxUDPCreatePort
.
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;
Count of messages which follows described by the following structure.
T T Y Y _ _ F F D D X X _ _ U U D D P P _ _ I I N N D D E E X X E E D D _ _ W W R R I I T T E E _ _ I I N N _ _ M M S S G G * * p p x x _ _ U U d d p p I I n n d d e e x x e e d d W W r r i i t t e e M M s s g g A A r r r r a a y y ; ;
Start Pointer to an array of messages description blocks described by the following structure.
This array must be provided by user in a length which is calculated by sizeof
(TY_FDX_UDP_INDEXED_WRITE_IN_MSG) * ul_MsgCount.
typedef struct {
AiUInt32 ul_Index;
AiUInt32 ul_ByteCount;
void *pv_Data;
} TY_FDX_UDP_INDEXED_WRITE_IN_MSG;
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Index to the buffer structure of the UDP Sampling port where data shall be written. The
Index must be in a range of 0 to ul_UdpNumBufMessages -1 of the dedicated Udp
Sampling port.
A A i i U U I I n n t t 3 3 2 2 u u l l _ _ B B y y t t e e C C o o u u n n t t
Number of bytes which shall be written to the buffer of the UDP port