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soc/cores/prbs/PRBSChecker: Improve errors timings.

This commit is contained in:
Florent Kermarrec 2023-01-18 15:47:10 +01:00
parent dcb54b85a0
commit b9a0d1dbc3
1 changed files with 2 additions and 2 deletions
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4
litex/soc/cores/prbs.py
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@ -110,7 +110,7 @@ class PRBSChecker(Module):
curval = [state[i] for i in range(n_state)]
for i in reversed(range(n_in)):
correctv = Reduce("XOR", [curval[tap] for tap in taps])
self.comb += self.errors[i].eq(self.i[i] != correctv)
self.sync += self.errors[i].eq(self.i[i] != correctv)
curval.insert(0, self.i[i])
curval.pop()
self.sync += state.eq(Cat(*curval[:n_state]))
@ -121,7 +121,7 @@ class PRBSChecker(Module):
self.submodules += idle_timer
self.sync += i_last.eq(self.i)
self.comb += idle_timer.wait.eq(self.i == i_last)
self.comb += If(idle_timer.done, self.errors.eq(2**n_in-1))
self.sync += If(idle_timer.done, self.errors.eq(2**n_in-1))
class PRBS7Checker(PRBSChecker):
def __init__(self, n_out):