22 lines
535 B
Python
22 lines
535 B
Python
from nmigen import *
|
|
from nmigen.cli import main
|
|
|
|
|
|
class ClockDivisor(Elaboratable):
|
|
def __init__(self, factor):
|
|
self.v = Signal(factor)
|
|
self.o = Signal()
|
|
|
|
def elaborate(self, platform):
|
|
m = Module()
|
|
m.d.sync += self.v.eq(self.v + 1)
|
|
m.d.comb += self.o.eq(self.v[-1])
|
|
return m
|
|
|
|
|
|
if __name__ == "__main__":
|
|
m = Module()
|
|
m.domains.sync = sync = ClockDomain("sync", async_reset=True)
|
|
m.submodules.ctr = ctr = ClockDivisor(factor=16)
|
|
main(m, ports=[ctr.o, sync.clk])
|