litex/misoclib/com/liteusb/core/com.py

from migen.fhdl.std import *
from migen.flow.actor import *

from misoclib.com.liteusb.common import *
from misoclib.com.liteusb.frontend.crossbar import LiteUSBCrossbar
from misoclib.com.liteusb.core.packetizer import LiteUSBPacketizer
from misoclib.com.liteusb.core.depacketizer import LiteUSBDepacketizer

class LiteUSBCom(Module):
	def __init__(self, phy, *ports):
		# crossbar
		self.submodules.crossbar = LiteUSBCrossbar(list(ports))

		# packetizer / depacketizer
		self.submodules.packetizer = LiteUSBPacketizer()
		self.submodules.depacketizer = LiteUSBDepacketizer()
		self.comb += [
			self.crossbar.slave.source.connect(self.packetizer.sink),
			self.depacketizer.source.connect(self.crossbar.slave.sink)
		]

		# phy
		self.comb += [
			self.packetizer.source.connect(phy.sink),
			phy.source.connect(self.depacketizer.sink)
		]