def test_warn_when_i2c_isnt_available(self):
if not is_on_raspberry_pi():
self._i2c.close()
with self.assertWarns(UserWarning,
msg="Fails to warn the user when I2C "
"communication isn't available."):
self._i2c = I2CInterface(0x70)
def __init__(self, SDO_high=True, dump_communication=False):
"""The sensor takes(107 + /- 8) ms to initialize."""
if SDO_high:
self._i2c_address = SensorConstants.DEVICE_ADDRESS_SDO_HIGH
else:
self._i2c_address = SensorConstants.DEVICE_ADDRESS_SDO_LOW
self._i2c = I2CInterface(self._i2c_address,
dump_communication=dump_communication)
self._i2c.find_device()
self._reset_sensor()
self.set_op_mode(PressureSensor.OpMode.standby)
self._calculate_calibration_coefficients()
def __init__(self, dump_communication=False):
"""Initializes self."""
self._i2c = I2CInterface(SensorConstants.ADDRESS,
dump_communication=dump_communication)
if SensorConstants.ADDRESS in self._i2c.scan():
self._reset()
self._sensor_available = True
else:
self._sensor_available = False
self._flow_inited = False
self._crc8 = crcmod.mkCrcFun(SensorConstants.CRC_POLYNOMIAL,
initCrc=0x00,
rev=False,
xorOut=0x00)
def __init__(self, mux_address, dump_communication=False):
self._i2c = I2CInterface(mux_address,
dump_communication=dump_communication)
def __init__(self, mux_address):
self._i2c = I2CInterface(mux_address)
def setUp(self):
warnings.filterwarnings("ignore",
message="I2C communication",
category=UserWarning)
self._i2c = I2CInterface(0x70)