69 lines
2.2 KiB
Python
69 lines
2.2 KiB
Python
from liteeth.common import *
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from targets.base import BaseSoC
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class UDPSoC(BaseSoC):
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default_platform = "kc705"
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def __init__(self, platform):
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BaseSoC.__init__(self, platform,
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mac_address=0x10e2d5000000,
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ip_address="192.168.0.42")
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# add udp loopback on port 6000 with dw=8
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self.add_udp_loopback(6000, 8, 8192, "loopback_8")
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# add udp loopback on port 8000 with dw=32
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self.add_udp_loopback(8000, 32, 8192, "loopback_32")
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def add_udp_loopback(self, port, dw, depth, name=None):
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port = self.core.udp.crossbar.get_port(port, dw)
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buf = Buffer(eth_udp_user_description(dw), depth//(dw//8), 8)
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if name is None:
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self.submodules += buf
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else:
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setattr(self.submodules, name, buf)
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self.comb += Port.connect(port, buf)
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class UDPSoCDevel(UDPSoC):
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csr_map = {
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"logic_analyzer": 20
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}
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csr_map.update(UDPSoC.csr_map)
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def __init__(self, platform):
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from litescope.frontend.logic_analyzer import LiteScopeLogicAnalyzer
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from litescope.core.port import LiteScopeTerm
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UDPSoC.__init__(self, platform)
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debug = (
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self.loopback_8.sink.stb,
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self.loopback_8.sink.sop,
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self.loopback_8.sink.eop,
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self.loopback_8.sink.ack,
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self.loopback_8.sink.data,
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self.loopback_8.source.stb,
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self.loopback_8.source.sop,
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self.loopback_8.source.eop,
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self.loopback_8.source.ack,
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self.loopback_8.source.data,
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self.loopback_32.sink.stb,
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self.loopback_32.sink.sop,
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self.loopback_32.sink.eop,
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self.loopback_32.sink.ack,
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self.loopback_32.sink.data,
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self.loopback_32.source.stb,
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self.loopback_32.source.sop,
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self.loopback_32.source.eop,
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self.loopback_32.source.ack,
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self.loopback_32.source.data
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)
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self.submodules.logic_analyzer = LiteScopeLogicAnalyzer(debug, 4096)
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self.logic_analyzer.trigger.add_port(LiteScopeTerm(self.logic_analyzer.dw))
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def do_exit(self, vns):
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self.logic_analyzer.export(vns, "test/logic_analyzer.csv")
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default_subtarget = UDPSoC
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