def test_tone_midi(A4):
assert A4.midi == 69
assert A4.up().midi == 70
assert A4.down().midi == 68
with pytest.raises(ValueError):
Tone.from_frequency(2).midi
with pytest.raises(ValueError):
Tone.from_frequency(15000).midi
def test_tone_from_frequency(A4):
assert Tone.from_frequency(440) == A4
assert Tone.from_frequency(440.0) == A4
with pytest.raises(ValueError):
Tone.from_frequency(-100.0)
with pytest.raises(ValueError):
Tone.from_frequency(30000.0)
def getButton(channel, event):
global qnum, correct_answers, b
print("Got {} on {}".format(event, channel))
eh.light.off()
if correct_answers[qnum] == 0:
eh.light.blue.on()
elif correct_answers[qnum] == 1:
eh.light.yellow.on()
elif correct_answers[qnum] == 2:
eh.light.red.on()
else:
eh.light.green.on()
if (channel - 1) == correct_answers[qnum] and event == "press":
b.play(Tone.from_frequency(880))
time.sleep(1)
else:
b.play(Tone.from_frequency(220))
time.sleep(1)
b.stop()
time.sleep(1)
b.play(Tone.from_frequency(220))
b.stop()
async def tone(self, freq, duration=None):
self.buzzer.play(
Tone.from_frequency(freq)) if freq else self.buzzer.stop()
if duration:
await asyncio.sleep(duration)
self.buzzer.stop()
async def play(self, *, request_stream):
async for freq in request_stream:
self.buzzer.play(
Tone.from_frequency(freq)) if freq else self.buzzer.stop()
def A4(request):
return Tone.from_frequency(440.0)
