14 lines
553 B
Diff
14 lines
553 B
Diff
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diff --git a/gateware/logic/iir.py b/gateware/logic/iir.py
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index 2380dd7..60bfeb7 100644
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--- a/gateware/logic/iir.py
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+++ b/gateware/logic/iir.py
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@@ -89,7 +89,7 @@ class Iir(Filter):
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zr = Signal.like(z)
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self.sync += zr.eq(z)
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z = Signal.like(zr)
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- self.comb += z.eq(zr + signal * c[coeff])
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+ self.sync += z.eq(zr + signal * c[coeff])
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self.comb += y_next.eq(z)
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self.latency.value = Constant(order + 1)
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self.interval.value = Constant(1)
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