20 lines
508 B
Python
20 lines
508 B
Python
from random import Random
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from migen.fhdl.std import *
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from migen.genlib.cdc import GrayCounter
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from migen.sim.generic import Simulator
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class TB(Module):
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def __init__(self, width=3):
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self.width = width
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self.submodules.gc = GrayCounter(self.width)
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self.prng = Random(7345)
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def do_simulation(self, s):
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print("{0:0{1}b} CE={2} bin={3}".format(s.rd(self.gc.q),
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self.width, s.rd(self.gc.ce), s.rd(self.gc.q_binary)))
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s.wr(self.gc.ce, self.prng.getrandbits(1))
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sim = Simulator(TB())
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sim.run(35)
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