re-bba-rb/re-bba/LedBlinker/LedBlinker.py

22 lines
556 B
Python
Raw Normal View History

2022-01-07 23:15:38 +01:00
from amaranth import *
class LEDBlinker(Elaboratable):
def elaborate(self, platform):
m = Module()
led = platform.request("led")
half_freq = int(platform.default_clk_frequency // 2)
timer = Signal(range(half_freq + 1))
with m.If(timer == half_freq):
m.d.sync += led.eq(~led)
m.d.sync += timer.eq(0)
with m.Else():
m.d.sync += timer.eq(timer + 1)
return m
from amaranth_boards.icebreaker import *
ICEBreakerPlatform().build(LEDBlinker(), do_program=True)