examples/basic_sim.py

   1 from migen.fhdl.structure import *
   2 from migen.sim.generic import Simulator
   3 from migen.sim.icarus import Runner
   4
   5 class Counter:
   6         def __init__(self):
   7                 self.count = Signal(BV(4))
   8
   9         def do_simulation(self, s, cycle):
  10                 print("Cycle: " + str(cycle) + " Count: " + str(s.rd(self.count)))
  11
  12         def get_fragment(self):
  13                 sync = [self.count.eq(self.count + 1)]
  14                 sim = [self.do_simulation]
  15                 return Fragment(sync=sync, sim=sim)
  16
  17 dut = Counter()
  18 sim = Simulator(dut.get_fragment(), Runner())
  19 sim.run(10)