groovylight/tests/test_platform.py

27 lines
699 B
Python

from amaranth import Elaboratable, Module, Signal
from amaranth.lib.io import Buffer
from groovylight.platforms.colorlight_5a75b_v8_2 import Colorlight_5A75B_R82Platform
class Blinky(Elaboratable):
def elaborate(self, platform):
m = Module()
m.submodules.led = led = Buffer("o", platform.request("led", dir="-"))
state = Signal()
counter = Signal(24)
with m.If(counter == 0):
m.d.sync += [counter.eq(~0), state.eq(~state)]
with m.Else():
m.d.sync += counter.eq(counter - 1)
m.d.comb += led.o.eq(state)
return m
def test_platform():
plat = Colorlight_5A75B_R82Platform()
plat.build(Blinky())