litex/misoclib/com/uart/phy/sim.py

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from migen.fhdl.std import *
from migen.flow.actor import Sink, Source
class UARTPHYSim(Module):
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def __init__(self, pads, *args, **kwargs):
self.sink = Sink([("data", 8)])
self.source = Source([("data", 8)])
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self.comb += [
pads.source_stb.eq(self.sink.stb),
pads.source_data.eq(self.sink.data),
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self.sink.ack.eq(pads.source_ack),
self.source.stb.eq(pads.sink_stb),
self.source.data.eq(pads.sink_data),
pads.sink_ack.eq(self.source.ack)
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]