litex/miscope/mila.py

48 lines
1.2 KiB
Python

from migen.fhdl.structure import *
from migen.bank.description import *
from miscope.std import *
from miscope.trigger import Trigger
from miscope.storage import Recorder, RunLengthEncoder
class MiLa(Module, AutoCSR):
def __init__(self, width, depth, ports, with_rle=False):
self.width = width
self.depth = depth
self.with_rle = with_rle
self.ports = ports
self.sink = rec_dat(width)
trigger = Trigger(width, ports)
recorder = Recorder(width, depth)
self.submodules.trigger = trigger
self.submodules.recorder = recorder
self.comb += [
self.sink.connect(trigger.sink),
trigger.source.connect(recorder.trig_sink)
]
recorder_dat_source = self.sink
if with_rle:
self.submodules.rle = RunLengthEncoder(width)
self.comb += self.sink.connect(self.rle.sink)
recorder_dat_source = self.rle.source
self.comb += recorder_dat_source.connect(recorder.dat_sink)
def get_csv(self, layout):
r = ""
def format_line(*args):
return ",".join(args) + "\n"
r += format_line("config", "width", str(self.width))
r += format_line("config", "depth", str(self.depth))
r += format_line("config", "with_rle", str(int(self.with_rle)))
for e in layout:
r += format_line("layout", e.backtrace[-1][0], str(flen(e)))
return r