def test_bad_arguments():
# Bad device.
with assert_raises(ValueError, "bad device"):
Adc(67, 0)
# Bad pin device.
with assert_raises(ValueError, "bad pin device"):
Adc(board.ADC_0, -5)
# Bad reference.
with assert_raises(ValueError, "bad reference"):
Adc(board.ADC_0, PIN_A0, -1)
# Bad sampling rate.
with assert_raises(ValueError, "bad sampling rate"):
Adc(board.ADC_0, PIN_A0, Adc.REFERENCE_VCC, 0)
def test_convert():
a0 = Adc(board.ADC_0, PIN_A0, Adc.REFERENCE_VCC, 100)
a1 = Adc(board.ADC_0, PIN_A1)
a0_sample = a0.convert(1)
a1_sample = a1.convert(1)
assert len(a0_sample) == 2
assert len(a1_sample) == 2
print("A0 sample:", a0_sample, struct.unpack('H', a0_sample)[0])
print("A1 sample:", a1_sample, struct.unpack('H', a1_sample)[0])
def test_async_convert():
a0 = Adc(board.ADC_0, PIN_A0)
a0.async_convert(2)
a0_sample = a0.async_wait()
assert len(a0_sample) == 4
print("A0 sample:", a0_sample, struct.unpack('HH', a0_sample))
def test_print():
print(Adc)
help(Adc)
a0 = Adc(board.ADC_0, PIN_A0, Adc.REFERENCE_VCC, 100)
print(a0)