def __init__(self, pads):
# Control
self.idle = idle = Signal()
self.comma = comma = Signal()
# Datapath
self.sink = sink = stream.Endpoint([("data", 32)])
# # #
# Datapath
self.submodules.datapath = datapath = TXDatapath(1)
self.comb += [
sink.connect(datapath.sink),
datapath.source.ready.eq(1),
datapath.idle.eq(idle),
datapath.comma.eq(comma)
]
# Output data (on rising edge of sys_clk)
data = Signal()
self.sync += data.eq(datapath.source.data)
if hasattr(pads, "tx_p"):
self.specials += DifferentialOutput(data, pads.tx_p, pads.tx_n)
else:
self.comb += pads.tx.eq(data)
def __init__(self, pads):
# Control
self.idle = idle = Signal()
self.comma = comma = Signal()
# Datapath
self.sink = sink = stream.Endpoint([("data", 32)])
# # #
# Datapath
self.submodules.datapath = datapath = TXDatapath(8)
self.comb += [
sink.connect(datapath.sink),
datapath.source.ready.eq(1),
datapath.idle.eq(idle),
datapath.comma.eq(comma)
]
# Output Data(DDR with sys4x)
data = Signal()
self.specials += [
Instance("OSERDESE3",
p_DATA_WIDTH=8,
p_INIT=0,
p_IS_CLK_INVERTED=0,
p_IS_CLKDIV_INVERTED=0,
p_IS_RST_INVERTED=0,
o_OQ=data,
i_RST=ResetSignal("sys"),
i_CLK=ClockSignal("sys4x"),
i_CLKDIV=ClockSignal("sys"),
i_D=datapath.source.data),
DifferentialOutput(data, pads.tx_p, pads.tx_n)
]
def __init__(self, pads):
# Control
self.idle = idle = Signal()
self.comma = comma = Signal()
# Datapath
self.sink = sink = stream.Endpoint([("data", 32)])
# # #
# Datapath
self.submodules.datapath = datapath = TXDatapath(8)
self.comb += [
sink.connect(datapath.sink),
datapath.source.ready.eq(1),
datapath.idle.eq(idle),
datapath.comma.eq(comma)
]
# Data output (DDR with sys4x)
self.data = data = Signal(8)
data_serialized = Signal()
self.comb += data.eq(datapath.source.data)
self.specials += [
Instance(
"OSERDESE2",
p_DATA_WIDTH=8,
p_TRISTATE_WIDTH=1,
p_DATA_RATE_OQ="DDR",
p_DATA_RATE_TQ="BUF",
p_SERDES_MODE="MASTER",
i_OCE=1,
i_RST=ResetSignal("sys"),
i_CLK=ClockSignal("sys4x"),
i_CLKDIV=ClockSignal("sys"),
i_D1=data[0],
i_D2=data[1],
i_D3=data[2],
i_D4=data[3],
i_D5=data[4],
i_D6=data[5],
i_D7=data[6],
i_D8=data[7],
o_OQ=data_serialized,
),
DifferentialOutput(data_serialized, pads.tx_p, pads.tx_n)
]