Aim ARINC 429 - 5.17 Api429 CmdTxXferDataRead

Software Library Reference Manual for VME 429 105
Section 5 – Transmitter Functions
5.17 Api429CmdTxXferDataRead
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AiUInt8 Api429CmdTxXferDataRead( AiUInt8 b_Module, AiUInt8 b_Chn,
TY_API429_XFER_DATA_READ_INPUT *px_XferDataInput,
TY_API429_XFER_DATA *px_XferData );
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API429_TX_LXFER_DATA_READ (0x83)
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This function is utilized to read the send label transfer data buffer on the selected
API429 transmitter channel.
Note: This command is not accessible if the transmitter mode 'b_Mode' in the
"Api429CmdTxIni command" is set to replay mode.
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Channel Number
Value Description
1..32
API429 transmitter channel number
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Pointer to XferDataInput structure (api429.h)
typedef struct
{
AiUInt32 ul_XferId;
AiUInt32 ul_BufStart;
AiUInt32 ul_BufSize;
AiUInt32 ul_Mode;
} TY_API429_XFER_DATA_READ_INPUT;
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Transfer Identifier
Value Description
0..1024 Transfer Identifier
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Value Description
1..1023 Start Position for "Define Label Data"
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Value Description
1..1023 Amount of label data structure elements to read from label transmit
buffer.
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Value Constant Description
0
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No action
1
API_TXRXBUF_TT_UPDATE_CLEAR
Clear update flag in TT High word after
reading the data
Note: The amount of label data words to read from the transmit buffer of
the selected label transfer should correspond to 'buf_size' in the
"Api429CmdTxXferDef command".