from tinkerforge.bricklet_barometer import Barometer # Callback function for air pressure callback (parameter has unit mbar/1000) def cb_air_pressure(air_pressure): print('Air Pressure: ' + str(air_pressure/1000.0) + ' mbar') # Callback function for altitude callback (parameter has unit cm) def cb_altitude(altitude): print('Altitude: ' + str(altitude/100.0) + ' m') if __name__ == "__main__": ipcon = IPConnection() # Create IP connection b = Barometer(UID, ipcon) # Create device object ipcon.connect(HOST, PORT) # Connect to brickd # Don't use device before ipcon is connected # Set Period for air pressure and altitude callbacks to 1s (1000ms) # Note: The air pressure and altitude callbacks are only called every second # if the air pressure or altitude has changed since the last call! b.set_air_pressure_callback_period(1000) b.set_altitude_callback_period(1000) # Register air pressure callback to function cb_air_pressure b.register_callback(b.CALLBACK_AIR_PRESSURE, cb_air_pressure) # Register altitude callback to function cb_altitude b.register_callback(b.CALLBACK_ALTITUDE, cb_altitude) raw_input('Press key to exit\n') # Use input() in Python 3