Exemple #1
0
    def __init__(self, sensor_name, bus, addr=_DEFAULT_ADDRESS):
        '''Initializes the sensor with some default values.

        bus: The SMBus descriptor on which this sensor is attached.
        addr: The I2C bus address
            (default is 0x40).

        '''
        
        SensorBase.__init__(
            self, 
            sensor_name=sensor_name)
        
        self._ior = io.open('/dev/i2c-' + str(bus), 'rb', buffering=0)
        self._iow = io.open('/dev/i2c-' + str(bus), 'wb', buffering=0)
        fcntl.ioctl(self._ior, _I2C_SLAVE, addr)
        fcntl.ioctl(self._iow, _I2C_SLAVE, addr)
        
        self._resolution = RESOLUTION_12BITS
        self._onchip_heater = _DISABLE_ONCHIP_HEATER
        self._otp_reload = _DISABLE_OTP_RELOAD

        self._use_temperature = True

        self._reset()
        self._reconfigure()
Exemple #2
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 def __init__(self, sensor_name):
     SensorBase.__init__(self, sensor_name=sensor_name)