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serwb/scrambler: cleanup/fix potential bug

This commit is contained in:
Florent Kermarrec 2018-05-15 14:43:22 +02:00
parent 9347f6e00c
commit 520aade8fe
1 changed files with 11 additions and 10 deletions
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21
artiq/gateware/serwb/scrambler.py
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@ -98,16 +98,17 @@ class Descrambler(Module):
NextState("SYNC_DATA")
)
fsm.act("SYNC_DATA",
If((sink.k[0] == 1) &
(sink.d[:8] == K(29,7)),
sink.ack.eq(1),
descrambler.reset.eq(1)
).Else(
sink.ack.eq(source.ack),
source.stb.eq(sink.stb),
source.data.eq(descrambler.o),
If(source.stb & source.ack,
descrambler.ce.eq(1)
If(sink.stb,
If((sink.k == 1) & (sink.d == K(29,7)),
sink.ack.eq(1),
descrambler.reset.eq(1)
).Else(
source.stb.eq(1),
source.data.eq(descrambler.o),
If(source.ack,
sink.ack.eq(1),
descrambler.ce.eq(1)
)
)
)
)