rtio-nmigen/rtio/channel.py

37 lines
1.0 KiB
Python

import warnings
from rtio import rtlink
class Channel:
def __init__(self, interface, probes=None, overrides=None,
ofifo_depth=None, ififo_depth=64):
if probes is None:
probes = []
if overrides is None:
overrides = []
self.interface = interface
self.probes = probes
self.overrides = overrides
if ofifo_depth is None:
ofifo_depth = 64
else:
warnings.warn("ofifo_depth is deprecated", FutureWarning)
self.ofifo_depth = ofifo_depth
self.ififo_depth = ififo_depth
@classmethod
def from_phy(cls, phy, **kwargs):
probes = getattr(phy, "probes", [])
overrides = getattr(phy, "overrides", [])
return cls(phy.rtlink, probes, overrides, **kwargs)
class LogChannel:
"""A degenerate channel used to log messages into the analyzer."""
def __init__(self):
self.interface = rtlink.Interface(rtlink.OInterface(32))
self.probes = []
self.overrides = []