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tb: pcs: Send packet spacing packets immediately 

This avoids a period of Xs on the inputs.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
This commit is contained in:
Sean Anderson 2022-08-06 15:31:21 -04:00
parent d27d0089e6
commit 01539759d6
1 changed files with 4 additions and 7 deletions
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11
tb/pcs.py
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@ -272,8 +272,10 @@ async def test_rx(pcs):
(Code('C'), Code('I'), Code('I')), (Code('C'), Code('I'), Code('I')),
(Code('J'), Code('I'), Code('I')), (Code('J'), Code('I'), Code('I')),
(Code('J'), Code('H'), Code('I'), Code('I')), (Code('J'), Code('H'), Code('I'), Code('I')),
# Premature end # Premature end, plus two clocks since we don't have instant turnaround
(Code('J'), Code('K'), Code('I'), Code('I')), (Code('J'), Code('K'), Code('I'), Code('I'), (1,1)),
# Packet spacing
*((*frame([0x55, 0x55]), (1,) * i) for i in range(10))
))) )))
assert packet == await alist(mii_recv_packet(pcs)) assert packet == await alist(mii_recv_packet(pcs))
@ -287,10 +289,5 @@ async def test_rx(pcs):
assert [0x5, 0x5, None] == await alist(mii_recv_packet(pcs)) assert [0x5, 0x5, None] == await alist(mii_recv_packet(pcs))
# Test packet spacing # Test packet spacing
packet = [0x5, 0x5]
await cocotb.start(pcs_send_codes(pcs, itertools.chain(
*((*frame(packet), (1,) * i) for i in range(10))
)))
for _ in range(10): for _ in range(10):
assert [0x5, 0x5] == await alist(mii_recv_packet(pcs)) assert [0x5, 0x5] == await alist(mii_recv_packet(pcs))