litex/examples/basic/record.py

from migen.fhdl.std import *
from migen.fhdl import verilog
from migen.genlib.record import *

L = [
    ("position", [
            ("x", 10, DIR_M_TO_S),
            ("y", 10, DIR_M_TO_S),
    ]),
    ("color", 32, DIR_M_TO_S),
    ("stb", 1, DIR_M_TO_S),
    ("ack", 1, DIR_S_TO_M)
]

class Test(Module):
    def __init__(self):
        master = Record(L)
        slave = Record(L)
        self.comb += master.connect(slave)

print(verilog.convert(Test()))
print(layout_len(L))
print(layout_partial(L, "position/x", "color"))