litex/migen/bus/simple.py

23 lines
581 B
Python

from migen.fhdl import structure as f
def GetSigName(signal, slave):
if signal[0] ^ slave:
suffix = "_o"
else:
suffix = "_i"
return signal[1] + suffix
# desc is a list of tuples, each made up of:
# 0) boolean: "master to slave"
# 1) string: name
# 2) int: width
class Simple():
def __init__(self, desc, slave, name):
for signal in desc:
modules = self.__module__.split('.')
busname = modules[len(modules)-1]
if name:
busname += "_" + name
signame = GetSigName(signal, slave)
setattr(self, signame, f.Signal(f.BV(signal[2]), busname + "_" + signame))