usb-tools/amaranth
1
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity

compat.fhdl.specials: fix Tristate, TSTriple.

Browse source 
* fix TSTriple instance.
* TSTriple, Tristate: tag as Elaboratable
This commit is contained in:
Alain Péteut 2019-04-22 11:57:12 +02:00 committed by whitequark
parent 371dc8bebe
commit c8e92c0612
1 changed files with 4 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
nmigen/compat/fhdl/specials.py
View file

@ -2,6 +2,7 @@ import warnings
from ...tools import deprecated, extend
from ...hdl.ast import *
from ...hdl.ir import Elaboratable
from ...hdl.mem import Memory as NativeMemory
from ...hdl.ir import Fragment, Instance
from .module import Module as CompatModule
@ -10,7 +11,7 @@ from .module import Module as CompatModule
__all__ = ["TSTriple", "Instance", "Memory", "READ_FIRST", "WRITE_FIRST", "NO_CHANGE"]
class TSTriple:
class TSTriple(Elaboratable):
def __init__(self, bits_sign=None, min=None, max=None, reset_o=0, reset_oe=0, reset_i=0,
name=None):
self.o = Signal(bits_sign, min=min, max=max, reset=reset_o,
@ -30,7 +31,7 @@ class TSTriple:
return Tristate(io, self.o, self.oe, self.i)
class Tristate:
class Tristate(Elaboratable):
def __init__(self, target, o, oe, i=None):
self.target = target
self.triple = TSTriple()
@ -49,7 +50,7 @@ class Tristate:
p_WIDTH=len(self.target),
i_EN=self.triple.oe,
i_A=self.triple.o,
o_Y=self.io,
o_Y=self.target,
)
f = m.elaborate(platform)