def test_set_voltage_pv3(power: PowerSupply, multi: Multimeter):
voltages = np.arange(0, 3.3, 0.1)
measured = np.zeros(len(voltages))
for i, v in enumerate(voltages):
power.pv3 = v
measured[i] = multi.measure_voltage("VOL")
assert measured == pytest.approx(voltages, rel=RELTOL * 2, abs=ABSTOL * 2)
def test_set_current(power: PowerSupply, multi: Multimeter):
currents = np.arange(0, 3e-3, 1e-4)
measured = np.zeros(len(currents))
for i, c in enumerate(currents):
power.pcs = c
measured[i] = multi.measure_voltage("CH3")
resistor = 100
assert measured == pytest.approx(currents * resistor,
rel=RELTOL,
abs=ABSTOL)
def __init__(self):
super().__init__()
self.logic_analyzer = LogicAnalyzer(device=self)
self.oscilloscope = Oscilloscope(device=self)
self.waveform_generator = WaveformGenerator(device=self)
self.pwm_generator = PWMGenerator(device=self)
self.multimeter = Multimeter(device=self)
self.power_supply = PowerSupply(device=self)
self.i2c = I2CMaster(device=self)
self.nrf = NRF24L01(device=self)
if "V6" in self.version: # Set the built-in WS2812B to green :)
self.rgb_led([0, 20, 0])
def __init__(
self,
port: str = None,
baudrate: int = 1000000,
timeout: float = 1.0,
):
super().__init__(port, baudrate, timeout)
self.logic_analyzer = LogicAnalyzer(device=self)
self.oscilloscope = Oscilloscope(device=self)
self.waveform_generator = WaveformGenerator(device=self)
self.pwm_generator = PWMGenerator(device=self)
self.multimeter = Multimeter(device=self)
self.power_supply = PowerSupply(device=self)
self.i2c = I2CMaster(device=self)
self.nrf = NRF24L01(device=self)
if "V6" in self.version: # Set the built-in WS2812B to green :)
self.rgb_led([0, 20, 0])
def multi(handler: SerialHandler) -> Multimeter:
handler._logging = True
return Multimeter(handler)
def test_measure_rc_capacitance(multi: Multimeter):
assert multi._measure_rc_capacitance() == pytest.approx(1e-9, rel=RELTOL)
def test_calibrate_capacitance(multi: Multimeter):
multi.calibrate_capacitance()
# Need bigger tolerance because measurement will be 1 nF + actual stray
# capacitance (ca 50 pF).
assert multi._stray_capacitance == pytest.approx(1e-9, rel=3 * RELTOL)
def test_voltmeter_autorange(multi: Multimeter):
assert multi._voltmeter_autorange("CH1") <= 3.3
def test_measure_voltage(multi: Multimeter, source):
assert multi.measure_voltage("VOL") == pytest.approx(2.2, rel=RELTOL)
def test_measure_resistance(multi: Multimeter):
assert multi.measure_resistance() == pytest.approx(1e4, rel=RELTOL)