toplevel.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from myhdl import *
from ula_modules import *


@block
def toplevel(LEDR, SW, KEY, HEX0, HEX1, HEX2, HEX3, HEX4, HEX5, CLOCK_50, RESET_N):
    sw_s = [SW(i) for i in range(10)]
    key_s = [KEY(i) for i in range(10)]
    ledr_s = [Signal(bool(0)) for i in range(10)]

    # ---------------------------------------- #
    # ula
    # ---------------------------------------- #
    ic1 = adder(sw_s[0:4], sw_s[6:10], ledr_s[0:4], ledr_s[9])

    # ledr_unsigned = ConcatSignal(*reversed(ledr_s))
    # ic2 = bin2hex(HEX0, ledr_unsigned)

    @always_comb
    def comb():
        for i in range(len(ledr_s)):
            LEDR[i].next = ledr_s[i]

    return instances()


LEDR = Signal(intbv(0)[10:])
SW = Signal(intbv(0)[10:])
KEY = Signal(intbv(0)[4:])
HEX0 = Signal(intbv(1)[7:])
HEX1 = Signal(intbv(1)[7:])
HEX2 = Signal(intbv(1)[7:])
HEX3 = Signal(intbv(1)[7:])
HEX4 = Signal(intbv(1)[7:])
HEX5 = Signal(intbv(1)[7:])
CLOCK_50 = Signal(bool())
RESET_N = ResetSignal(0, active=0, isasync=True)

top = toplevel(LEDR, SW, KEY, HEX0, HEX1, HEX2, HEX3, HEX4, HEX5, CLOCK_50, RESET_N)
top.convert(hdl="VHDL")