from migen.fhdl.std import * from migen.flow.actor import * from migen.genlib import fifo class _FIFOActor(Module): def __init__(self, fifo_class, layout, depth): self.sink = Sink(layout) self.source = Source(layout) self.busy = Signal() ### self.submodules.fifo = fifo_class(layout, depth) self.comb += [ self.sink.ack.eq(self.fifo.writable), self.fifo.we.eq(self.sink.stb), self.fifo.din.eq(self.sink.payload), self.source.stb.eq(self.fifo.readable), self.source.eq(self.fifo.dout), self.fifo.re.eq(self.source.ack) ] class SyncFIFO(_FIFOActor): def __init__(self, layout, depth): _FIFOActor.__init__(self, fifo.SyncFIFO, layout, depth) class AsyncFIFO(_FIFOActor): def __init__(self, layout, depth): _FIFOActor.__init__(self, fifo.AsyncFIFO, layout, depth)