Axi3 example – Altera Mentor Verification IP Altera Edition AMBA AXI3/4TM User Manual
Page 234
Mentor VIP AE AXI3/4 User Guide, V10.2b
216
VHDL AXI3 and AXI4 Master BFMs
create_write_transaction()
September 2013
AXI3 Example
-- Create a write data burst of length 3 (4 beats) to start address 16.
-- Returns the transaction ID (tr_id) for this created transaction.
create_write_transaction(16, 3, tr_id, bfm_index,
axi_tr_if_0(bfm_index));
Protocol
Transaction
Fields
resp
Response:
**_OKAY;
**_EXOKAY;
**_SLVERR;
**_DECERR;
region
(AXI4) Region identifier.
qos
(AXI4) Quality-of-Service identifier.
addr_user
Address channel user data.
data_user
(AXI4) Data channel user data.
resp_user
(AXI4) Response channel user data.
Operational
Transaction
Fields
gen_write_strobes
Correction of write strobes for invalid byte lanes:
0 = write_strobes passed through to protocol signals.
1 = write_strobes auto-corrected for invalid byte lanes
(default).
operation_mode
Operation mode:
**_TRANSACTION_NON_BLOCKING;
**_TRANSACTION_BLOCKING; (default)
delay_mode
(AXI3) Delay mode:
AXI_VALID2READY; (default)
AXI_TRANS2READY;
write_data_mode
Write data mode:
**_DATA_AFTER_ADDRESS; (default)
**_DATA_WITH_ADDRESS;
address_valid_delay
Address channel A*VALID delay measured in ACLK cycles for
this transaction (default = 0).
data_valid_delay
Write data channel WVALID delay array measured in ACLK
cycles for this transaction (default = 0 for all elements).
write_response_read_
delay
Write response channel BREADY delay measured in ACLK
cycles for this transaction (default = 0).
data_beat_done
Write data channel beat done flag array for this transaction.
transaction_done
Write transaction done flag for this transaction.
Returns
transaction_id
Transaction identifier. Refer to