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Reference Manual AFDX / ARINC 664 Application Interface Library
Section 4 – Function Reference: Receiver Functions
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These functions are only applicable, if the receive port is switched to Virtual Link oriented
mode.
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Prototype:
AiReturn FdxCmdRxSAPBlockRead (AiUInt32 ul_Handle,
const TY_FDX_SAP_BLOCK_READ_IN
*px_SapBlockReadIn,
TY_FDX_SAP_BLOCK_READ_OUT *px_SapBlockReadOut);
Driver Command:
FDX_RX_SAP_BLOCK_READ ( 0x00008083)
Purpose:
This function reads data from one or several SAP connectionless ports.
Input:
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Pointer to an array of structures. Each structure describes an individual read
operation for a single SAP port. The array contains ul_PortCount elements.
typedef struct {
AiUInt32 ul_PortCount;
TY_FDX_BLOCK_READ_IN_PORT* px_SapBlockReadInPortArray;
}TY_FDX_SAP_BLOCK_READ_IN;
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Specifies the number of SAP ports which shall be read from.
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typedef struct {
AiUInt32
ul_UdpHandle;
AiUInt32
ul_MsgCount;
} TY_FDX_BLOCK_READ_IN_PORT;
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The handle of the SAP port to which the message(s) will be written.
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Number of Messages to read. This means the newest ul_MsgCount Entries. In case of a
sampling port there is maximum one message to read.
Have also a look to the output parameter section for variables used there as input!
Summary of Contents for AFDX / ARINC 664
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