78 lines
1.8 KiB
Python
78 lines
1.8 KiB
Python
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from misoclib.mem.litesata.common import *
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from misoclib.mem.litesata.test.common import *
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class PHYDword:
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def __init__(self, dat=0):
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self.dat = dat
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self.start = 1
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self.done = 0
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class PHYSource(Module):
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def __init__(self):
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self.source = Source(phy_description(32))
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# # #
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self.dword = PHYDword()
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def send(self, dword):
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self.dword = dword
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def do_simulation(self, selfp):
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selfp.source.stb = 1
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selfp.source.charisk = 0b0000
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for k, v in primitives.items():
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if v == self.dword.dat:
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selfp.source.charisk = 0b0001
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selfp.source.data = self.dword.dat
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class PHYSink(Module):
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def __init__(self):
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self.sink = Sink(phy_description(32))
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# # #
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self.dword = PHYDword()
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def receive(self):
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self.dword.done = 0
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while self.dword.done == 0:
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yield
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def do_simulation(self, selfp):
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self.dword.done = 0
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selfp.sink.ack = 1
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if selfp.sink.stb == 1:
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self.dword.done = 1
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self.dword.dat = selfp.sink.data
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class PHYLayer(Module):
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def __init__(self):
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self.submodules.rx = PHYSink()
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self.submodules.tx = PHYSource()
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self.source = self.tx.source
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self.sink = self.rx.sink
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def send(self, dword):
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packet = PHYDword(dword)
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self.tx.send(packet)
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def receive(self):
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yield from self.rx.receive()
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def __repr__(self):
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receiving = "{:08x} ".format(self.rx.dword.dat)
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receiving += decode_primitive(self.rx.dword.dat)
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receiving += " "*(16-len(receiving))
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sending = "{:08x} ".format(self.tx.dword.dat)
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sending += decode_primitive(self.tx.dword.dat)
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sending += " "*(16-len(sending))
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return receiving + sending
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