from typing import List, Tuple

from nmigen import Module, Signal, Elaboratable, ClockDomain, ClockSignal
from nmigen.build import Platform
from nmigen.back.pysim import Simulator


class ClockSpiTest(Elaboratable):
    def elaborate(self, platform: Platform) -> Module:
        m = Module()

        m.domains += ClockDomain("spi_slave", local=True)

        return m


if __name__ == "__main__":
    # This causes colision with clock in ClockSpiTest,
    # even though it is set as `local=True`
    spi = ClockDomain(name="spi_slave")

    sync = ClockDomain(name="sync")

    m = Module()
    m.domains.sync = sync
    m.domains.spi_slave = spi

    m.submodules.test = test = ClockSpiTest()

    # Set up some simulation
    sim = Simulator(m)