Altera Mentor Verification IP Altera Edition AMBA AXI4-St Bedienungsanleitung Seite 98

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Mentor Verification IP AE AMBA AXI4-Stream User Guide, V10.3
98
VHDL Master BFM
set_byte_type()
April 2014
set_byte_type()
This nonblocking procedure sets a byte_type field array element for a master transaction that is
uniquely identified by the transaction_id field previously created by the
create_master_transaction() procedure.
The byte_type is identified by the optional index argument. If no index is supplied, then the first
byte_type is accessed in the array.
Example
-- Create a master transaction containing 3 transfers.
-- Creation returns tr_id to identify the transaction.
create_master_transaction(3, tr_id, bfm_index,
axi4stream_tr_if_0(bfm_index));
-- Set the byte_type field to data for the first byte
-- of the tr_id transaction.
set_byte_type(AXI4STREAM_DATA_BYTE, 0, tr_id, bfm_index,
axi4stream_tr_if_0(bfm_index));
-- Set the byte_type field to null for the second byte
-- of the tr_id transaction.
set_byte_type(AXI4STREAM_NULL_BYTE, 1, tr_id, bfm_index,
axi4stream_tr_if_0(bfm_index));
Prototype
set_byte_type
(
byte_type: in integer;
index : in integer; --optional
transaction_id : in integer;
bfm_id : in integer;
signal tr_if : inout axi4stream_vhd_if_struct_t
);
Arguments
byte_type Byte type array:
AXI4STREAM_DATA_BYTE; (default)
AXI4STREAM_NULL_BYTE;
AXI4STREAM_POS_BYTE;
AXI4STREAM_ILLEGAL_BYTE;
index (Optional) Array element index number for byte_type.
transaction_id Transaction identifier. Refer to “Overloaded Procedure Common
Arguments” on page 87 for more details.
bfm_id BFM identifier. Refer to “Overloaded Procedure Common Arguments
on page 87 for more details.
tr_if Transaction signal interface. Refer to “Overloaded Procedure Common
Arguments” on page 87 for more details.
Returns
None
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