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simplify EdgeDetector

This commit is contained in:
Florent Kermarrec 2012-08-12 19:42:25 +02:00
parent 09bcfb0fa5
commit 051e8ac570
1 changed files with 9 additions and 6 deletions
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15
migScope/__init__.py
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@ -65,26 +65,29 @@ class EdgeDetector:
sync += [self.i_d.eq(self.i)]
# Rising Edge
if "R" in self.mode:
r_eq = [self.ro.eq(self.r_mask & self.i & (~self.i_d))]
if self.pipe:
sync += [self.ro.eq(self.r_mask & self.i & (~self.i_d))]
sync += r_eq
else:
comb += [self.ro.eq(self.r_mask & self.i & (~ self.i_d))]
comb += r_eq
else:
comb += [self.ro.eq(0)]
# Falling Edge
if "F" in self.mode:
f_eq = [self.fo.eq(self.f_mask & (~ self.i) & self.i_d)]
if self.pipe:
sync += [self.fo.eq(self.f_mask & (~ self.i) & self.i_d)]
sync += f_eq
else:
comb += [self.fo.eq(self.f_mask & (~ self.i) & self.i_d)]
comb += f_eq
else:
comb += [self.fo.eq(0)]
# Both
if "B" in self.mode:
b_eq = [self.bo.eq(self.b_mask & self.i != self.i_d)]
if self.pipe:
sync += [self.bo.eq(self.b_mask & self.i != self.i_d)]
sync += b_eq
else:
comb += [self.bo.eq(self.b_mask & self.i != self.i_d)]
comb += b_eq
else:
comb += [self.bo.eq(0)]
#Output